17.2 sec in total
807 ms
13.3 sec
3.1 sec
Visit cungthi.vn now to see the best up-to-date Cung Thi content for Vietnam and also check out these interesting facts you probably never knew about cungthi.vn
Tổng hợp hàng nghìn đề thi trắc nghiệm các môn toán, hóa , lý, sinh ... Bám sát nội dung của bộ GDDT đưa ra. Cung cấp các chức năng tốt nhất cho giáo viên có thể dễ dàng tạo đề thi trắc nghiệm và xuất...
Visit cungthi.vnWe analyzed Cungthi.vn page load time and found that the first response time was 807 ms and then it took 16.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
cungthi.vn performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value17.4 s
0/100
25%
Value16.7 s
0/100
10%
Value3,080 ms
2/100
30%
Value0.22
57/100
15%
Value20.2 s
2/100
10%
807 ms
1499 ms
302 ms
1105 ms
1388 ms
Our browser made a total of 122 requests to load all elements on the main page. We found that 12% of them (15 requests) were addressed to the original Cungthi.vn, 77% (94 requests) were made to Cungthi.online and 2% (3 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (5.8 sec) relates to the external source Cungthi.online.
Page size can be reduced by 394.1 kB (14%)
2.8 MB
2.4 MB
In fact, the total size of Cungthi.vn main page is 2.8 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. 80% 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 2.0 MB which makes up the majority of the site volume.
Potential reduce by 158.4 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 50.3 kB, which is 26% 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 158.4 kB or 83% of the original size.
Potential reduce by 188.3 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. Cung Thi images are well optimized though.
Potential reduce by 17.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 30.4 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. Cungthi.vn needs all CSS files to be minified and compressed as it can save up to 30.4 kB or 15% of the original size.
Number of requests can be reduced by 60 (58%)
104
44
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cung Thi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.
cungthi.vn
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cungthi.vn 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-*] attributes do not match their roles
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
cungthi.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
Page has valid source maps
cungthi.vn SEO score
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
Tap targets are not sized appropriately
VI
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cungthi.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Cungthi.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.
cungthi.vn
Open Graph data is detected on the main page of Cung Thi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: