14.5 sec in total
1.8 sec
11.7 sec
924 ms
Click here to check amazing Trung Tamnhatngu content for Vietnam. Otherwise, check out these important facts you probably never knew about trungtamnhatngu.edu.vn
Trung tâm tiếng Nhật SOFL chuyên dạy và luyện thi JLPT uy tín, chất lượng. SOFL mở các lớp học tiếng Nhật offline và online từ cơ bản đến nâng cao với cam kết chuẩn đầu ra.
Visit trungtamnhatngu.edu.vnWe analyzed Trungtamnhatngu.edu.vn page load time and found that the first response time was 1.8 sec and then it took 12.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
trungtamnhatngu.edu.vn performance score
name
value
score
weighting
Value4.6 s
13/100
10%
Value12.9 s
0/100
25%
Value8.5 s
18/100
10%
Value580 ms
51/100
30%
Value0.27
45/100
15%
Value11.2 s
19/100
10%
1783 ms
499 ms
539 ms
511 ms
544 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 75% of them (95 requests) were addressed to the original Trungtamnhatngu.edu.vn, 8% (10 requests) were made to Static.xx.fbcdn.net and 5% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (6 sec) belongs to the original domain Trungtamnhatngu.edu.vn.
Page size can be reduced by 384.2 kB (15%)
2.5 MB
2.1 MB
In fact, the total size of Trungtamnhatngu.edu.vn 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. 60% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 90.4 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. 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 90.4 kB or 83% of the original size.
Potential reduce by 98.2 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. Trung Tamnhatngu images are well optimized though.
Potential reduce by 156.0 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 156.0 kB or 65% of the original size.
Potential reduce by 39.6 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. Trungtamnhatngu.edu.vn needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 80% of the original size.
Number of requests can be reduced by 41 (34%)
120
79
The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trung Tamnhatngu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
trungtamnhatngu.edu.vn
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trungtamnhatngu.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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
trungtamnhatngu.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
trungtamnhatngu.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 Trungtamnhatngu.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 Trungtamnhatngu.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.
trungtamnhatngu.edu.vn
Open Graph description is not detected on the main page of Trung Tamnhatngu. 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: