10.2 sec in total
1 sec
8.5 sec
666 ms
Click here to check amazing Trung Tamtienghan content for Vietnam. Otherwise, check out these important facts you probably never knew about trungtamtienghan.edu.vn
Trung tâm tiếng Hàn SOFL dạy và luyện thi Topik uy tín chất lượng hàng đầu tại Việt Nam.Chuyên đào tạo các khóa học offline, online ở Hà Nội và HCM với cam kết chuẩn đầu ra học viên.
Visit trungtamtienghan.edu.vnWe analyzed Trungtamtienghan.edu.vn page load time and found that the first response time was 1 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
trungtamtienghan.edu.vn performance score
name
value
score
weighting
Value6.0 s
3/100
10%
Value8.7 s
1/100
25%
Value12.5 s
3/100
10%
Value5,510 ms
0/100
30%
Value0.179
67/100
15%
Value13.4 s
11/100
10%
1037 ms
1960 ms
948 ms
37 ms
1018 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 93% of them (94 requests) were addressed to the original Trungtamtienghan.edu.vn, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Trungtamtienghan.edu.vn.
Page size can be reduced by 208.5 kB (18%)
1.2 MB
943.7 kB
In fact, the total size of Trungtamtienghan.edu.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 1.1 MB which makes up the majority of the site volume.
Potential reduce by 63.0 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 63.0 kB or 79% of the original size.
Potential reduce by 145.5 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. Obviously, Trung Tamtienghan needs image optimization as it can save up to 145.5 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 50 B
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.
Number of requests can be reduced by 10 (11%)
92
82
The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trung Tamtienghan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
trungtamtienghan.edu.vn
1037 ms
trungtamtienghan.edu.vn
1960 ms
5401dade12a9231a1a9ba513b8e84fae.opt.css
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css2
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jquery.min.js
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vi.js
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wow.min.js
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slick.js
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jquery.colorbox.js
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jquery-modal-video.min.js
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owl.carousel.js
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jquery.lazyload.min.js
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mudim.js
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trungtamtienghan.edu.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-hidden="true"] elements contain focusable descendents
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
[id] attributes on active, focusable elements are not unique
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
trungtamtienghan.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
trungtamtienghan.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 Trungtamtienghan.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 Trungtamtienghan.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.
trungtamtienghan.edu.vn
Open Graph description is not detected on the main page of Trung Tamtienghan. 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: