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Welcome to congnghe.vn homepage info - get ready to check Congnghe best content for Vietnam right away, or after learning these important things about congnghe.vn
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Visit congnghe.vnWe analyzed Congnghe.vn page load time and found that the first response time was 2.3 sec and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
congnghe.vn performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value8.1 s
2/100
25%
Value11.3 s
5/100
10%
Value750 ms
39/100
30%
Value0.028
100/100
15%
Value18.8 s
3/100
10%
2269 ms
1189 ms
26 ms
1203 ms
942 ms
Our browser made a total of 112 requests to load all elements on the main page. We found that 5% of them (6 requests) were addressed to the original Congnghe.vn, 46% (51 requests) were made to Static.congnghe.vn and 18% (20 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Static.congnghe.vn.
Page size can be reduced by 193.8 kB (16%)
1.2 MB
995.2 kB
In fact, the total size of Congnghe.vn main page is 1.2 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. 70% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 107.3 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. This page needs HTML code to be minified as it can gain 26.9 kB, which is 21% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 107.3 kB or 85% of the original size.
Potential reduce by 54.6 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. Congnghe images are well optimized though.
Potential reduce by 32.0 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 32.0 kB or 60% of the original size.
Number of requests can be reduced by 35 (33%)
106
71
The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Congnghe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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congnghe.vn accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
congnghe.vn 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
congnghe.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Congnghe.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Congnghe.vn 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.
congnghe.vn
Open Graph data is detected on the main page of Congnghe. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: