investigation report : http://dieuduongduc.edu.vn

Following Diagnosed Points Of Report Need To Be Reviewed Exclusively

Reviewed Time : 2022-02-18 06:17:45



Passed Checks      
Failed Checks      
Warnings
Passed Checks      
Failed Checks      
Warnings

PageSpeed ​​Insights (Desktop)

Performance

  • Emulated Form Factor Desktop
  • Locale En-US
  • Category Performance
  • Field Data
  • First Contentful Paint (FCP) 0.9 s
  • FCP Metric Category AVERAGE
  • First Input Delay (FID)
  • FID Metric Category FAST
  • Overall Category AVERAGE
  • Origin Summary
  • First Contentful Paint (FCP)
  • Cumulative Layout Shift 0.264
  • Total Blocking Time 130 ms
  • FID Metric Category FAST
  • Largest Contentful Paint 2.4 s
  • Lab Data
  • First Contentful Paint 0.9 s
  • First Meaningful Paint
  • Speed ​​Index 5.6 s
  • First CPU Idle
  • Time To Interactive 4.1 s
  • Max Potential First Input Delay 230 ms
page title Test

page title

Your Page Title Does Not Exceed 70 Characters. It's Fine.

Học tiếng Đức với giáo viên Đức - Du học nghề điều dưỡng viên Đức Doctrine
Title is the heading of the webpage. The sentence or string enclosed between html title tag () is the title of your website. Search engines searches for the title of your website and displays title along with your website address on search result. Title is the most important element for both SEO and social sharing. Title should be less than 50 to 60 characters because search engine typically displays this length of string or sentence on search result. A good title can consist the primary keyword, secondary keyword and brand name. For example a fictitious gaming information providing sites title may be like "the future of gaming information is here". A webpage title should contain a proper glimpse of the website. title is important element as an identification of your website for user experience, SEO and social sharing. So have a nice and catching title.
Learn more
Meta Description Test

Meta Description

Your Meta Description Does Not Exceed 160 Characters. It's Fine.

Trung tâm tư vấn du học uy tín. Học tiếng đức với giáo viên bản ngữ Đức, giáo trình online chuyên biệt từ Đức Doctrine
Description is the full interpretation of your website content and features. Most often it is a short paragraph that describe what are features and information provided by the website to its visitors. You may consider it a advertising of your website. Although not important for search engine ranking but very important for hits or visits through search engine results. Description should be less than 150 character because search engine shows this length of paragraph on search result. And every page of website should contain an unique description to avoid description duplication. Description is the definition of your website for user experience so form it as complete but short and precise illustration of your website.
Google Search Results Preview Test

Google Search Results Preview

Học tiếng Đức với giáo viên Đức - Du học nghề điều dưỡng viên Đức http://dieuduongduc.edu.vn/span> Trung tâm tư vấn du học uy tín. Học tiếng đức với giáo viên bản ngữ Đức, giáo trình online chuyên biệt từ Đức
Keywords Cloud Test

Keywords Cloud

Most Common Keywords Test

Most Common Keywords

  • There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.

Single Keywords

Keyword Occurrence Density Possible Spam

Two Word Keywords

Keyword Occurrence Density Possible Spam

Three Word Keywords

Keyword Occurrence Density Possible Spam

Four Word Keywords

Keyword Occurrence Density Possible Spam
Keyword Usage Test

Keyword Usage

Either Title Or Description Keywords Does Not Match.
Điều dưỡng viên Đức làm những gì? Kinh nghiệm học tiếng Đức hiệu quả, trung tâm tiếng Đức uy tín, Trung tâm du học uy tín, học tiếng Đức với giáo viên bản ngữ Đức, tự học tiếng Đức hiệu qu
Keyword usage is the using of your keywords inside Meta tags and contents of your website. Use keywords that describes your site properly for precise search engine result of your website.
Total Words Test

Total Words

Your Page Has A Good Level Of Textual Content, If Possible Improve It More.

0 Doctrine
You Have A Higher Chance Of Ranking In Search Engines, If You Write Long, High-quality Posts Of 1000 Words Or More.
Text/HTML Ratio Test

Text/HTML Ratio

Site failed text/HTML ratio test. Text/HTML Ratio : 0%

0 Doctrine
The ideal page's ratio of text to HTML code must be lie between 20 to 60%. Because if it is come less than 20% it means you need to write more text in your web page while in case of more than 60% your page might be considered as spam.
HTML Headings Test

HTML Headings

Congratulations! Your Webpage Contains Headings Tags.

H1(1)

  • Học tiếng Đức với giáo viên Đức - Du học nghề điều dưỡng viên Đức

H2(1)

  • QUY TRÌNH DỊCH VỤ

H3(0)

H4(0)

H5(0)

H6(0)

Doctrine
h1 status is the existence of any content inside h1 tag. Although not important like Meta titles and descriptions for search engine ranking but still a good way to describe your contents in search engine result.

h2 status less important but should be used for proper understanding of your website for visitor.
Robot.txt Test

Robot.txt

Congratulations! Your Site Uses A "robots.txt"


Robot.txt

> User-agent: * Disallow: /_private/ Allow: / Sitemap: http://dieuduongduc.edu.vn/sitemap.xml
Doctrine
robots.txt is text file that reside on website root directory and contains the instruction for various robots (mainly search engine robots) for how to crawl and indexing your website for their webpage. robots.txt contains the search bots or others bots name, directory list allowed or disallowed to be indexing and crawling for bots, time delay for bots to crawl and indexing and even the sitemap url. A full access or a full restriction or customized access or restriction can be imposed through robots.txt.

robots.txt is very important for SEO. Your website directories will be crawled and indexed on search engine according to robots.txt instructions. So add a robots.txt file in your website root directory. Write it properly including your content enriched pages and other public pages and exclude any pages which contain sensitive information. Remember robots.txt instruction to restrict access to your sensitive information of your page is not formidable on web page security ground. So do not use it on security purpose.
Learn more
Sitemap Test

Sitemap

Congratulations! Your Website Has A Sitemap File.
Doctrine
Sitemap is a xml file which contain full list of your website urls. It is used to include directories of your websites for crawling and indexing for search engine and access for users. it can help search engine robots for indexing your website more fast and deeply. It is roughly an opposite of robots.txt You can create a sitemap.xml by various free and paid service or you can write it with proper way (read about how write a sitemap).

Also keep these things in mind:
1) Sitemap must be less than 10 MB (10,485,760 bytes) and can contain maximum 50,000 urls. if you have more uls than this create multiple sitemap files and use a sitemap index file.
2) Put your sitemap in website root directory and add the url of your sitemap in robots.txt.
3) sitemap.xml can be compressed using grip for faster loading.

Broken link: a broken link is an inaccessible link or url of a website. a higher rate of broken links have a negative effect on search engine ranking due to reduced link equity. it also has a bad impact on user experience. There are several reasons for broken link. All are listed below.
1) An incorrect link entered by you.
2) The destination website removed the linked web page given by you. (A common 404 error).
3) The destination website is irreversibly moved or not exists anymore. (Changing domain or site blocked or dysfunctional).
4) User may behind some firewall or alike software or security mechanism that is blocking the access to the destination website.
5) You have provided a link to a site that is blocked by firewall or alike software for outside access.
Learn more or Learn more
SEO Friendly Links Test

SEO Friendly Links

Congratulations! All Links From Your Webpage Are SEO Friendly.

Doctrine
An SEO friendly link is roughly follows these rules. The url should contain dash as a separator, not to contain parameters and numbers and should be static urls.

To resolve this use these techniques.
1) Replace underscore or other separator by dash, clean url by deleting or replaceing number and parameters.
2) Marge your www and non www urls.
3) Do not use dynamic and related urls. Create an xml sitemap for proper indexing of search engine.
4) Block unfriendly and irrelevant links through robots.txt.
5) Endorse your canonical urls in canonical tag.
Learn more
Google Analytics Test

Google Analytics

Your Site Does Not Have Google Analytics.

Doctrine
Google Analytics is a web analytics service offered by Google that tracks and reports website traffic Learn more
Broken Links Test
200:Success404:Not Found301:Moved Permanently400:Bad Request401:Unauthorized500:Internal Server Error502:Bad Gateway
20 0 0 0 0 0 0

Broken Links

Get a full and detailed list of your broken links!

Finding and fixing broken links on your webpage will help both user experience and search engine rankings.
Get it Now
FREE Broken Links Finder


Doctrine
Broken links are links that send a message to its visitors that the webpage no longer exists, triggering a 404 error page.tended to rank lower on all major search engines, including Google. Learn more
5
Favicon Test

Favicon

Your site does not have favicon.

Doctrine
For all those who are unaware of the what a favicon is: Favicons are 16×16 pixels small icons that usually contain the logo, the first letter of the brand or a generic image that represents the business type. These files are placed in a file called favicon.ico and placed in the root directory of a website. Learn more
Image 'alt' Test Test

Image 'alt' Test

Your Webpage Is Using 'img' Tags With Empty 7 Or Missing 'alt' Attribute



Images Without alt

  • https://dieuduongduc.edu.vn/Pictures/munchen.jpg
  • https://dieuduongduc.edu.vn/Pictures/Dieu duong vien duc.jpg
  • https://dieuduongduc.edu.vn/Pictures/do hoc nghe duc.jpg
  • https://dieuduongduc.edu.vn/Pictures/check 3_1.jpg
  • https://dieuduongduc.edu.vn/Pictures/Gate Gemany.jpg
  • http://dieuduongduc.edu.vn/ckfinder/userfiles/files/quy%20trinh%20dich%20vu%20Nhat%20Vinh%20ETS.jpg
  • http://dieuduongduc.edu.vn/ckfinder/userfiles/images/logo-ft-170.png
Doctrine
An alternate title for image. Alt attribute content to describe an image. It is necessary for notifying search engine spider and improve actability to your website. So put a suitable title for your image at least those are your website content not including the images for designing your website. To resolve this put a suitable title in your alt attributes.
Learn more
DOC Type Test

DOC Type

Congratulations! Page Has Doc Type.

<!DOCTYPE html> Doctrine
doc type is not SEO factor but it is checked for validating your web page. So set a doctype at your html page.
Learn more
Depreciated HTML Tag Test

Depreciated HTML Tag

Your site does not have any depreciated HTML tag.

Your site does not have any depreciated HTML tag. Doctrine
Older HTML tags and attributes that have been superseded by other more functional or flexible alternatives (whether as HTML or as CSS ) are declared as deprecated in HTML4 by the W3C - the consortium that sets the HTML standards. Browsers should continue to support deprecated tags and attributes, but eventually these tags are likely to become obsolete and so future support cannot be guaranteed.
HTML Page Size Test

HTML Page Size

HTML page size is <= 100KB

36 KB Doctrine
HTML page size is the one of the main factors of webpage loading time. It should be less than 100 KB according to google recommendation. Note that, this size not including external css, js or images files. So small page size less loading time.

To reduce your page size do this steps
1) Move all your css and js code to external file.
2) make sure your text content be on top of the page so that it can displayed before full page loading.
3) Reduce or compress all the image, flash media file etc. will be better if these files are less than 100 KB
Learn more
Inline CSS Test

Inline CSS

Your Site Has 8 Inline Css.
  • <h1 style="margin-left:-9999px; margin-top:-50px"></h1>
  • <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-5L9PJ72" height="0" width="0" style="display:none;visibility:hidden"></iframe>
  • <p style="box-sizing: border-box; padding: 0px; margin: 0px 0px 10px;" align="center"></p>
  • <p style="box-sizing: border-box; padding: 0px; margin: 0px 0px 10px;"></p>
  • <button type="submit" onclick="myFunction()" style="border-radius: 5px; margin: 0px 15px 0px 0px; font-family: Arial, Helvetica, sans-serif ; font-size: 21.5px; line-height: 57px; overflow: visible; text-transform: uppercase; appearance: button; color: rgb(255, 255, 255); -webkit-font-smoothing: antialiased; text-size-adjust: 100%; cursor: pointer; display: flex; white-space: nowrap; vertical-align: middle; user-select: none; border-width: initial; border-style: none; border-color: initial; padding: 0px 20px; transition: color 0.15s ease-in-out 0s, background-color 0.15s ease-in-out 0s, border-color 0.15s ease-in-out 0s, box-shadow 0.15s ease-in-out 0s; height: 57px; letter-spacing: 0px; background: #d29925; -webkit-box-pack: center; justify-content: center; -webkit-box-align: center; align-items: center; float: center; min-width: 311px; position: relative; outline: none !important;"></button>
  • <span class="text_1" style="box-sizing: border-box; position: relative;"></span>
  • <p id = "dangky" align="center" style="display:none; "></p>
  • <iframe frameborder="0" height="150" scrolling="no" src="https://www.google.com/maps/embed?pb=!1m14!1m8!1m3!1d14898.218359346512!2d105.8322062!3d21.0104843!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x3135ab09a03b4415%3A0x6d300e43ed8387b8!2zRFUgSOG7jEMgTkdI4buAIMSQSeG7gFUgRMav4bugTkcgVknDik4gxJDhu6hD!5e0!3m2!1svi!2s!4v1640927100960!5m2!1svi!2s" style="border:0;" width="100%"></iframe>
Inline css is the css code reside in html page under html tags not in external .css file. Inline css increases the loading time of your webpage which is an important search engine ranking factor. So try not to use inline css.
SPF Records Test Test

SPF Records Test

Congratulations! Your DNS Server Is Using SPF Record.
Doctrine
Sender Policy Framework (SPF) is a method of fighting spam. As more time passes, this protocol will be used as one of the standard methods of fighting spam on the Internet. An SPF record is a TXT record that is part of a domain's DNS zone file. The TXT record specifies a list of authorized host names/IP addresses that mail can originate from for a given domain name. Once this entry is placed within the DNS zone, no further configuration is necessary to take advantage of servers that incorporate SPF checking into their anti-spam systems.
Canonical Tag Checker Test

Canonical Tag Checker

Your Site Has Canonical.
<link rel="canonical" href="https://dieuduongduc.edu.vn/home/" />
Doctrine
A canonical tag (aka 'rel canonical') is a way of telling search engines that a specific URL represents the master copy of a page Learn More
Accelerated Mobile Pages (AMP) Checker Test

Accelerated Mobile Pages (AMP) Checker

Your Site Does Not Have Accelerated Mobile Pages (AMP) Links

Doctrine
AMP Is An Open-source HTML Framework That Provides A Straightforward Way To Create Web Pages That Are Fast, Smooth-loading And Prioritize The User-experience Above All Else. Can't Believe It? Try It Out For Yourself .
Content Delivery Networks (CDN) Checker Test

Content Delivery Networks (CDN) Checker

Your Site Does Not Have Content Delivery Networks (CDN) Links

Doctrine
Content Delivery Networks (CDN) Use Multiple Servers In Many Geographic Locations That Improve Deliveries Of Static And Streaming Content. Global Content Requests Automatically Get Routed To The Closest Servers, Speeding Up Page Loads, Maximizing Bandwidth And Providing Identical Content Regardless Of Internet- Or Site-traffic Spikes.
Backlink Checker Test

Backlink Checker

Your Site Does Not Have Backlinks Links

https://wwww.google.com/ Doctrine
Backlink Is A Link One Website Gets From Another Website. Backlinks Make A Huge Impact On A Website’s Prominence In Search Engine Results.
Micro Data Schema Test Test

Micro Data Schema Test

Site failed micro data schema test.

Doctrine
Micro data is the information underlying a html string or paragraph. Consider a string “Avatar”, it could refer a profile picture on forum, blog or social networking site or may it refer to a highly successful 3D movie. Microdot is used to specify the reference or underlying information about an html string. Microdata gives chances to search engine and other application for better understanding of your content and better display significantly on search result.
Learn more
Internal Vs. External Links Test

Internal Vs. External Links

External Links are website key, as they boost your ranking in Google's search algorithm.
Total Internal Links? 18
Total External Links? 36

Internal Links

  • https://dieuduongduc.edu.vn/ckfinder/userfiles/images/munchen.jpg
  • https://dieuduongduc.edu.vn/ckfinder/userfiles/images/Dieu%20duong%20vien%20duc.jpg
  • https://dieuduongduc.edu.vn/ckfinder/userfiles/images/do%20hoc%20nghe%20duc.jpg
  • https://dieuduongduc.edu.vn/ckfinder/userfiles/images/Du%20hoc%20nghe%20dieu%20duong%20vien%20Duc.jpg
  • https://dieuduongduc.edu.vn/ckfinder/userfiles/images/Gate%20Gemany.jpg
  • http://dieuduongduc.edu.vn/gioi-thieu.htmt
  • http://dieuduongduc.edu.vn/tieu-chuan-dich-vu.stm
  • http://dieuduongduc.edu.vn/tuyen-dung.stm
  • http://dieuduongduc.edu.vn/1a-dao-duy-anh-dong-da-ha-noi.stm
  • http://dieuduongduc.edu.vn/info@nhatvinhets.com.stm
  • http://dieuduongduc.edu.vn/www.dieuduongduc.edu.vn.stm
  • http://dieuduongduc.edu.vn/hop-tac-cung-chung-toi.stm
  • http://dieuduongduc.edu.vn/doi-tac-du-lich-dich-vu.stm
  • http://dieuduongduc.edu.vn/du-hoc-canada.stm
  • http://dieuduongduc.edu.vn/du-hoc-my.stm
  • http://dieuduongduc.edu.vn/du-hoc-uc.stm
  • http://dieuduongduc.edu.vn/kiem-tra.htmt
  • http://dieuduongduc.edu.vn/hoc-tieng-duc/lich-khai-giang-tieng-duc.htmt

External Links

  • https://www.facebook.com/duhocngheduc.vn/
  • http://duhocngheduc.vn/
  • mailto:info@hoctiengduc.com
  • ../home/
  • ../gioi-thieu.htmt
  • ../hoc-tieng-duc.htmt
  • ../hoc-tieng-duc/lich-khai-giang-tieng-duc.htmt
  • ../hoc-tieng-duc/phuong-phap-hoc-tieng-duc.htmt
  • ../hoc-tieng-duc/hoc-tieng-duc-a1.htmt
  • ../hoc-tieng-duc/hoc-tieng-duc-a2.htmt
  • ../hoc-tieng-duc/tieng-duc-online-b1.htmt
  • ../dieu-duong-duc.htmt
  • ../dieu-duong-duc/hoc-bong-dieu-duong-vien-duc.htmt
  • ../dieu-duong-duc/dieu-duong-duc.htmt
  • ../dieu-duong-duc/du-hoc-nghe-duc-trung-hoc-pho-thong.htmt
  • ../dieu-duong-duc/hoc-he-chuyen-doi-cao-dang-tai-duc.htmt
  • ../visa-duc.htmt
  • ../hoi-dap.htmt
  • ../kiem-tra.htmt
  • ../lien-he.htmt
  • ../chuong-trinh-dinh-huong-chuan-uy-tin.stm
  • ../mien-hoc-phi-giao-duc-tai-duc-chung-chi-bang-cap-duoc-cong-nhan-toan-chau-au.stm
  • ../dinh-cu-lau-dai-bao-lanh-nguoi-than-gia-dinh.stm
  • ../phuong-phap-hoc-tieng-Duc-theo-chu-de.stm
  • ../phuong-phap-hoc-tieng-Duc-theo-chu-de.stm
  • ../khai-giang-lop-tieng-duc-cho-nguoi-moi-ngay-08-01-2022.stm
  • ../khai-giang-lop-tieng-duc-cho-nguoi-moi-ngay-08-01-2022.stm
  • ../gioi-thieu-nghe-dieu-duong-Duc–Altenpfleger-in.stm
  • ../gioi-thieu-nghe-dieu-duong-Duc–Altenpfleger-in.stm
  • ../ke-hoach-hoc-tieng-Duc-B1.stm
  • ../ke-hoach-hoc-tieng-Duc-B1.stm
  • https://www.facebook.com/duhocngheduc.vn/
  • https://www.youtube.com/results?search_query=nhat+vinh+ets&sp=mAEB
  • https://zalo.me/0919906465
  • https://www.messenger.com/t/duhocngheduc.vn
  • https://docs.google.com/forms/d/1q_1wn07J5GfQEra8A2W2HK2Ki33N3YLBWf7XyBC8QIg/edit
Doctrine
Internal links, also known as inbound links, are hyperlinks that directs the reader to the target page on your website, whereas an external link is a hyperlink that directs the reader to a reputable page on a different website. External links may seem counter intuitive — after all, you don't want customers clicking on links that direct them away from your site. However, linking to trustworthy material (from authority sites) helps you also appear to be an authority and can help Google figure out what your content is about for SEO purposes.
Alexa Rank Test

Alexa Rank

Alexa is a global ranking system check the following statistics.
Traffic Rank no data
Reach Rank no data
Top Country
Top Country Rank
Doctrine
Alexa is a global ranking system that utilizes web traffic data to compile a list of the most popular websites, the Alexa Rank. The lower your Alexa rank, the more popular (for example, a site with the rank of 1 has the most visitors on the internet).
Domain IP Information Test

Domain IP Information

Domain is assigned a unique IP address. Along with following info.
ISP
IP
Organization
City
Country
Time Zone
Longitude
Latitude
Doctrine
Domain is assigned a unique IP address. An IP (Internet Protocol) is a unique addressing system used to identify all machines that are using the internet. addressing system operating and managing the internet would be virtually impossible. ... It would be impossible to find out where a person lives.
NoIndex , NoFollow, DoDollow Links Test

NoIndex , NoFollow, DoDollow Links

The noindex directive is a metatag that you add to certain pages on your website. This tag tells search engines to not add a specific page to their index. On the other hand, nofollow links tell search engines to not follow a particular link Along with following info.
Total NoIndex Links 0
Total NoFollow Links 7
Total DoFollow Links 47
NoIndex Enabled By Meta Robot? No
NoFollow Enabled By Meta Robot? No

NoIndex Links

NoFollow Links

  • <a href="https://www.facebook.com/duhocngheduc.vn/" target="_blank" rel="nofollow"><i class="fa fa-facebook"></i></a>
  • <a href="http://duhocngheduc.vn/" target="_blank" rel="nofollow">Du h&#7885;c ngh&#7873; &#272;&#7913;c</a>
  • <a href="http://duhocngheduc.vn/" target="_blank" rel="nofollow">Du h&#7885;c &#272;&#7913;c</a>
  • <a href="https://zalo.me/0919906465" class="pn-replace pn-zalo" target="_blank" rel="nofollow"> <strong>Zalo chat</strong> </a>
  • <a href="https://www.messenger.com/t/duhocngheduc.vn" class="pn-replace pn-mesager" target="_blank" rel="nofollow"> <svg width="60px" height="60px" viewbox="0 0 60 60"><svg x="0" y="0" width="60px" height="60px"><defs><lineargradient x1="50%" y1="0%" x2="50%" y2="100%" id="linearGradient-1"><stop stop-color="#00B2FF" offset="0%"></stop><stop stop-color="#006AFF" offset="100%"></stop></lineargradient></defs><g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g><circle fill="#FFFFFF" cx="30" cy="30" r="30"></circle><svg x="10" y="10"><g><rect id="container" x="0" y="0" width="40" height="40"></rect><g id="logo"><path d="M20,0 C8.7334,0 0,8.2528 0,19.4 C0,25.2307 2.3896,30.2691 6.2811,33.7492 C6.6078,34.0414 6.805,34.4513 6.8184,34.8894 L6.9273,38.4474 C6.9621,39.5819 8.1343,40.3205 9.1727,39.8621 L13.1424,38.1098 C13.4789,37.9612 13.856,37.9335 14.2106,38.0311 C16.0348,38.5327 17.9763,38.8 20,38.8 C31.2666,38.8 40,30.5472 40,19.4 C40,8.2528 31.2666,0 20,0" id="bubble" fill="url(#linearGradient-1)"></path><path d="M7.99009,25.07344 L13.86509,15.75264 C14.79959,14.26984 16.80079,13.90064 18.20299,14.95224 L22.87569,18.45674 C23.30439,18.77834 23.89429,18.77664 24.32119,18.45264 L30.63189,13.66324 C31.47419,13.02404 32.57369,14.03204 32.00999,14.92654 L26.13499,24.24744 C25.20039,25.73014 23.19919,26.09944 21.79709,25.04774 L17.12429,21.54314 C16.69559,21.22164 16.10569,21.22334 15.67879,21.54734 L9.36809,26.33674 C8.52579,26.97594 7.42629,25.96794 7.99009,25.07344" id="bolt" fill="#FFFFFF"></path></g></g></svg></g></g></svg></svg> </a>
  • <a href="http://dieuduongduc.edu.vn/kiem-tra.htmt" target="_blank" rel="nofollow"><i class="fa fa-file-text"></i>TEST</a>
  • <a href="http://dieuduongduc.edu.vn/hoc-tieng-duc/lich-khai-giang-tieng-duc.htmt" target="_blank" rel="nofollow"><i class="fa fa-gift"></i>ƯU ĐÃI</a>
  • <a href="https://docs.google.com/forms/d/1q_1wn07J5GfQEra8A2W2HK2Ki33N3YLBWf7XyBC8QIg/edit" target="_blank" rel="nofollow"><i class="fa fa-pencil-square-o"></i>ĐĂNG KÝ</a>
Doctrine

NoIndex : noindex directive is a meta tag value. noindex directive is for not to show your website on search engine results. You must not set ‘noindex’ as value in meta tags if you want to be your website on search engine result.

By default, a webpage is set to “index.” You should add a <meta name="robots" content="noindex" /> directive to a webpage in the <head> section of the HTML if you do not want search engines to crawl a given page and include it in the SERPs (Search Engine Results Pages).

DoFollow & NoFollow : nofollow directive is a meta tag value. Nofollow directive is for not to follow any links of your website by search engine bots. You must not set ‘nofollow’ as value in meta tags if you want follow your link by search engine bots.

By default, links are set to “follow.” You would set a link to “nofollow” in this way: <a href="http://www.example.com/" rel="nofollow">Anchor Text</a> if you want to suggest to Google that the hyperlink should not pass any link equity/SEO value to the link target.

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IP & DNS Report Test

IP & DNS Report

Have you recently switched web host or started a new website, then you are in the right place! DNS Checker provides free DNS lookup service for checking domain name server records against a randomly selected list of DNS servers in different corners of the world. Do a quick look up for any domain name and check DNS data collected from all location for confirming that the website is completely propagated or not worldwide.
IPv4
IPv6 Not Compatiable
No DNS report found
Doctrine
It is always good to know what your DNS servers should be and what they actually are.
SERVER AND SECURITY      IP Canonicalization Test Test

IP Canonicalization Test

Site failed IP canonicalization test.

Doctrine
If multiple domain name is registered under single ip address the search bots can label other sites as duplicates of one sites. This is ip canonicalization. Little bit like url canonicalizaion. To solve this use redirects.
Learn more
URL Canonicalization Test Test

URL Canonicalization Test

Site passed URL canonicalization test.

Doctrine
Canonical tags make your all urls those lead to a single address or webpage into a single url. Like :
<link rel="canonical" href="https://mywebsite.com/home" />
<link rel="canonical" href="https://www.mywebsite.com/home" />
Both refer to the link mywebsite.com/home. So all the different url with same content or page now comes under the link or url mywebsite.com/home. Which will boost up your search engine ranking by eliminating content duplication. Use canonical tag for all the same urls.
Learn more
HTTPS Test

HTTPS

Your Website Is Successfully Using HTTPS, A Secure Communication Protocol Over The Internet.

Security State: Secure /CN=dieuduongduc.edu.vn

Valid From: Wed, 07 Sep 2022 02:03:17 +0100
Expiration Date: Tue, 06 Dec 2022 01:03:16 +0000

Doctrine
Canonical tags make your all urls those lead to a single address or webpage into a single url. Like :
<link rel="canonical" href="https://mywebsite.com/home" />
<link rel="canonical" href="https://www.mywebsite.com/home" />
Both refer to the link mywebsite.com/home. So all the different url with same content or page now comes under the link or url mywebsite.com/home. Which will boost up your search engine ranking by eliminating content duplication. Use canonical tag for all the same urls.
Learn more
Safe Browsing Test

Safe Browsing

This Site Is Not Currently Listed As Suspicious (no Malware Or Phishing Activity Found).
Server Signature Test

Server Signature

Congratulations, Your Server Signature Is Off.
Directory Browsing Test

Directory Browsing

Congratulations! Your Server Has Disabled Directory Browsing.
Plain Text Email Test

Plain Text Email

Site failed plain text email test. 4 plain text email found.

Site failed plain text email test. 4 plain text email found.

Plain Text Email List

  • info@hoctiengduc.com
  • info@hoctiengduc.com
  • info@nhatvinhets.com.stm
  • info@nhatvinhets.com
Doctrine
Plain text email address is vulnerable to email scrapping agents. An email scrapping agent crawls your website and collects every Email address which written in plain text. So existence of plain text email address in your website can help spammers in email Harvesting. This could be a bad sign for search engine.

To fight this you can obfuscate your email addresses in several ways:
1) CSS pseudo classes.
2) Writing backward your email address.
3) Turn of display using css.
4) Obfuscate your email address using javascript.
5) Using wordpress and php (wordpress site only).
Learn more
Google Page Speed Insight (Desktop) Test

Google Page Speed Insight (Desktop)

Page Speed Insights

Page Statistics


numTasksOver500ms0maxRtt0.00053909706403439
numTasksOver10ms38numTasks1655
rtt0.00053909706403439numTasksOver100ms2
numScripts28numTasksOver25ms14
totalTaskTime1837.169maxServerLatency
numTasksOver50ms6numFonts14
totalByteWeight4686260numRequests110
numStylesheets13mainDocumentTransferSize12141
throughput21142309382.887


PAGE SPEED

Doctrine
Plain text email address is vulnerable to email scrapping agents. An email scrapping agent crawls your website and collects every Email address which written in plain text. So existence of plain text email address in your website can help spammers in email Harvesting. This could be a bad sign for search engine.

To fight this you can obfuscate your email addresses in several ways:
1) CSS pseudo classes.
2) Writing backward your email address.
3) Turn of display using css.
4) Obfuscate your email address using javascript.
5) Using wordpress and php (wordpress site only).
Learn more
Landing Page Redirects Test

Landing Page Redirects

Your page has no redirects. Learn more about avoiding landing page redirects
GZIP Compression Test

GZIP Compression

You have compression enabled. Learn more about enabling compression.
Leverage Browser Caching Test

Leverage Browser Caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:

    Server Response Time Test

    Server Response Time

    Your server responded quickly. Learn more about server response time optimization.
    Minify CSS Test

    Minify CSS

    Compacting CSS code can save many bytes of data and speed up download and parse times.
    Minify CSS for the following resources to reduce their size by ( reduction ).

      Minify HTML Test

      Minify HTML

      Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
      Minify HTML for the following resources to reduce their size by ( reduction ).

        Minify JavaScript Test

        Minify JavaScript

        Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
        Minify JavaScript for the following resources to reduce their size by ( reduction ).

          Render-blocking JavaScript And CSS Test

          Render-blocking JavaScript And CSS

          Resources Are Blocking The First Paint Of Your Page. Consider Delivering Critical JS/CSS Inline And Deferring All Non-critical JS/styles.
          Minify JavaScript for the following resources to reduce their size by Potential savings of 520 ms ( Potential savings of 520 msreduction ).

          • https://fonts.googleapis.com/css2?family=Mulish:wght@300;400;500;600;700;900&display=swap
          • https://dieuduongduc.edu.vn/css/main.css?1625571198444
          • https://dieuduongduc.edu.vn/css/main1.css
          • https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css
          Optimize Images Test

          Optimize Images

          Properly formatting and compressing images can save many bytes of data.
          Optimize the following images to reduce their transfer size by Potential savings of 1,112 KiB ( Potential savings of 1,112 KiBreduction ).

          • https://dieuduongduc.edu.vn/Pictures/munchen.jpg
          • https://dieuduongduc.edu.vn/Pictures/Gate%20Gemany.jpg
          • https://dieuduongduc.edu.vn/Pictures/Trung%20tam%20tieng%20Duc%20uy%20tin.jpg
          • https://dieuduongduc.edu.vn/Pictures/hoc-tieng-duc.jpg
          • https://dieuduongduc.edu.vn/Pictures/do%20hoc%20nghe%20duc.jpg
          • https://dieuduongduc.edu.vn/Pictures/check%203_1.jpg
          • https://dieuduongduc.edu.vn/Pictures/du-hoc-duc-nganh-dieu-duong_1.jpg
          • https://dieuduongduc.edu.vn/Pictures/Dieu%20duong%20vien%20duc.jpg
          • https://dieuduongduc.edu.vn/Pictures/cao-dang-dieu-duong-lay-bao-nhieu-diem_2.jpg
          • https://dieuduongduc.edu.vn/ckfinder/userfiles/files/quy%20trinh%20dich%20vu%20Nhat%20Vinh%20ETS.jpg
          • https://dieuduongduc.edu.vn/ckfinder/userfiles/images/Logo-home.jpg
          Prioritize Visible Content Test

          Prioritize Visible Content

          You have the above-the-fold content properly prioritized. Learn more about prioritizing visible content.

          PageSpeed ​​Insights (Mobile)

          Performance

          • Emulated Form Factor Mobile
          • Locale En-US
          • Category Performance
          • Field Data
          • First Contentful Paint (FCP) 3.0 s
          • FCP Metric Category AVERAGE
          • First Input Delay (FID)
          • FID Metric Category FAST
          • Overall Category AVERAGE
          • Origin Summary
          • First Contentful Paint (FCP)
          • Cumulative Layout Shift 1.441
          • Total Blocking Time 1,280 ms
          • FID Metric Category FAST
          • Largest Contentful Paint 11.5 s
          • Lab Data
          • First Contentful Paint 3.0 s
          • First Meaningful Paint 3.0 s
          • Speed ​​Index 12.6 s
          • First CPU Idle
          • Time To Interactive 13.8 s
          • Max Potential First Input Delay 770 ms
          Google Page Speed Insight (Mobile) Test

          Google Page Speed Insight (Mobile)

          Page Speed Insights

          PAGE SPEED

          Usability Score

          Doctrine
          Almost every new client these days wants a mobile version of their website. It’s practically essential after all: one design for the BlackBerry, another for the iPhone, the iPad, netbook, Kindle — and all screen resolutions must be compatible, too. In the next five years, we’ll likely need to design for a number of additional inventions. When will the madness stop? It won’t, of course

          Page Statistics (Mobile) Test

          Page Statistics (Mobile)

          Page Speed Insights

          totalTaskTime1337.951totalByteWeight3152793
          maxRtt0.00065380143628622numTasks1096
          numFonts6numTasksOver10ms25
          numRequests64numScripts19
          numTasksOver50ms4maxServerLatency
          throughput85194435200.498mainDocumentTransferSize12141
          rtt0.00065380143628622numTasksOver500ms0
          numStylesheets10numTasksOver100ms2
          numTasksOver25ms13


          Doctrine
          Almost every new client these days wants a mobile version of their website. It’s practically essential after all: one design for the BlackBerry, another for the iPhone, the iPad, netbook, Kindle — and all screen resolutions must be compatible, too. In the next five years, we’ll likely need to design for a number of additional inventions. When will the madness stop? It won’t, of course
          Avoid App Install Interstitials That Hide Content Test

          Avoid App Install Interstitials That Hide Content

          Your page does not appear to have any app install interstitials that hide a significant amount of content. Learn more about the importance of avoiding the use of app install interstitials.
          Avoid Plugins Test
          Configure Viewport Test
          Size Content To Viewport Test
          Size Tap Targets Appropriately Test
          Use Legible Font Sizes Test
          Landing Page Redirects Test
          GZIP Compression Test
          Leverage Browser Caching Test
          Server Response Time Test
          Minify CSS Test
          Minify HTML Test
          Minify JavaScript Test
          Minify JavaScript Test
          Optimize Images Test
          Prioritize Visible Content Test

          Summary of priority fixes for: http://dieuduongduc.edu.vn

          Your web page failed on 11 high priority checks:

          Please Login or Contact with administrator
          Your web page failed on 0 medium priority checks:

          Please Login or Contact with administrator
          Your web page failed on 0 low priority checks:

          Please Login or Contact with administrator

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