10.6 sec in total
1.1 sec
9.2 sec
281 ms
Click here to check amazing Ctet content for Vietnam. Otherwise, check out these important facts you probably never knew about ctet.edu.vn
Chia sẻ thành công, kết nối đam mê
Visit ctet.edu.vnWe analyzed Ctet.edu.vn page load time and found that the first response time was 1.1 sec and then it took 9.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
ctet.edu.vn performance score
name
value
score
weighting
Value3.1 s
47/100
10%
Value4.9 s
28/100
25%
Value6.8 s
35/100
10%
Value80 ms
99/100
30%
Value0.179
68/100
15%
Value3.9 s
88/100
10%
1082 ms
446 ms
446 ms
449 ms
1375 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 71% of them (71 requests) were addressed to the original Ctet.edu.vn, 13% (13 requests) were made to Maps.googleapis.com and 6% (6 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (6.3 sec) belongs to the original domain Ctet.edu.vn.
Page size can be reduced by 922.7 kB (19%)
4.8 MB
3.8 MB
In fact, the total size of Ctet.edu.vn main page is 4.8 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. 55% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.
Potential reduce by 76.0 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 76.0 kB or 84% of the original size.
Potential reduce by 241.8 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. Ctet images are well optimized though.
Potential reduce by 498.9 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 498.9 kB or 58% of the original size.
Potential reduce by 106.0 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. Ctet.edu.vn needs all CSS files to be minified and compressed as it can save up to 106.0 kB or 83% of the original size.
Number of requests can be reduced by 27 (28%)
95
68
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
ctet.edu.vn
1082 ms
css_FtQsdJIekNkdTX0wtqEPCPgtH9TE37xZz04BSjRyraA.css
446 ms
css__2Z2N691DwkwGczClmTfiUOSZYnMJqAPZtEBSDF9DWA.css
446 ms
css_oIipZhmG9PDLL-WXoECDv0ElQCv7qhr2rcaRDLi4mtg.css
449 ms
css_gdMArv2IHLrXGM66cAI0-HCmi-88F4ME68MobtgxiAE.css
1375 ms
js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js
706 ms
js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js
481 ms
js_3mpIFcYeODfDGsSHjVCAdHZXFEK8UGSWsgE49Z_wzbM.js
887 ms
js_Y9qAQ_aUVVAWt11FYldlmyby8xdq_pWE7BbnEDjHMWA.js
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dang-ky-hoc-truc-tuyen.jpg
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embed
254 ms
header.png
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menu_bg.png
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home.png
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slide0.png
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slide1.png
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slide2.png
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slide3.jpg
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slide4.png
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slide5.png
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slide7.jpg
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previous.png
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next.png
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js
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init_embed.js
23 ms
common.js
40 ms
map.js
41 ms
google4.png
13 ms
overlay.js
12 ms
util.js
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onion.js
40 ms
search_impl.js
55 ms
StaticMapService.GetMapImage
126 ms
ViewportInfoService.GetViewportInfo
32 ms
transparent.png
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kh
142 ms
controls.js
20 ms
vt
192 ms
vt
182 ms
vt
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vt
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vt
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css
61 ms
mapcnt6.png
35 ms
10-19-201511-16-14_pm890anh_tuyen_sinh.jpg
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2UX7WLTfW3W8TclTUvlFyQ.woff
24 ms
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AuthenticationService.Authenticate
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bia_1.jpg
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no_images.jpg
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4-30-20161-08-11_pm144bia.jpg
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search-button.png
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facebook.png
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bacongkhai.jpg
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quychedaotao.jpg
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vblq.png
2019 ms
stats.js
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QuotaService.RecordEvent
15 ms
ctet.edu.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ctet.edu.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
ctet.edu.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Ctet.edu.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 Ctet.edu.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.
ctet.edu.vn
Open Graph description is not detected on the main page of Ctet. 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: