4.2 sec in total
724 ms
3.1 sec
384 ms
Welcome to viettriduhoc.com homepage info - get ready to check Viettriduhoc best content for Vietnam right away, or after learning these important things about viettriduhoc.com
Visit viettriduhoc.comWe analyzed Viettriduhoc.com page load time and found that the first response time was 724 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
viettriduhoc.com performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value14.6 s
0/100
25%
Value18.3 s
0/100
10%
Value800 ms
37/100
30%
Value0.13
82/100
15%
Value14.6 s
8/100
10%
724 ms
6 ms
7 ms
10 ms
36 ms
Our browser made a total of 104 requests to load all elements on the main page. We found that 56% of them (58 requests) were addressed to the original Viettriduhoc.com, 19% (20 requests) were made to Static.xx.fbcdn.net and 9% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (825 ms) relates to the external source Scontent.xx.fbcdn.net.
Page size can be reduced by 775.6 kB (31%)
2.5 MB
1.7 MB
In fact, the total size of Viettriduhoc.com main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 58.8 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 58.8 kB or 83% of the original size.
Potential reduce by 50.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Viettriduhoc images are well optimized though.
Potential reduce by 324.8 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 324.8 kB or 66% of the original size.
Potential reduce by 341.2 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Viettriduhoc.com needs all CSS files to be minified and compressed as it can save up to 341.2 kB or 84% of the original size.
Number of requests can be reduced by 36 (36%)
99
63
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viettriduhoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
viettriduhoc.com
724 ms
shortcodes.css
6 ms
styles.css
7 ms
style.css
10 ms
css
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styles.min.css
5 ms
jquery.js
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jquery-migrate.min.js
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jquery.form.min.js
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scripts.js
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script.min.js
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jquery.cycle.all.js
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css
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analytics.js
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body-bg13.png
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logo.png
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viettriduhoc.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
viettriduhoc.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
viettriduhoc.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
N/A
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viettriduhoc.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Vietnamese. Our system also found out that Viettriduhoc.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
viettriduhoc.com
Open Graph description is not detected on the main page of Viettriduhoc. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: