12.3 sec in total
1.1 sec
10.2 sec
937 ms
Click here to check amazing Tulieu Violet content for Vietnam. Otherwise, check out these important facts you probably never knew about tulieu.violet.vn
Mạng xã hội của cộng đồng giáo viên Việt Nam, nơi giao lưu kiến thức và chia sẻ tài nguyên dạy học
Visit tulieu.violet.vnWe analyzed Tulieu.violet.vn page load time and found that the first response time was 1.1 sec and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
tulieu.violet.vn performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value10.7 s
0/100
25%
Value16.0 s
0/100
10%
Value2,140 ms
6/100
30%
Value0.069
96/100
15%
Value16.8 s
5/100
10%
1110 ms
690 ms
1427 ms
1128 ms
55 ms
Our browser made a total of 241 requests to load all elements on the main page. We found that 8% of them (19 requests) were addressed to the original Tulieu.violet.vn, 25% (60 requests) were made to D2.violet.vn and 5% (13 requests) were made to D1.violet.vn. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source D2.violet.vn.
Page size can be reduced by 2.0 MB (55%)
3.6 MB
1.6 MB
In fact, the total size of Tulieu.violet.vn main page is 3.6 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. 75% 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. Javascripts take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 586.2 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 586.2 kB or 92% of the original size.
Potential reduce by 116.9 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, Tulieu Violet needs image optimization as it can save up to 116.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.1 MB
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 1.1 MB or 63% of the original size.
Potential reduce by 119.7 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. Tulieu.violet.vn needs all CSS files to be minified and compressed as it can save up to 119.7 kB or 87% of the original size.
Number of requests can be reduced by 115 (50%)
229
114
The browser has sent 229 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tulieu Violet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 64 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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tulieu.violet.vn accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
tulieu.violet.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
tulieu.violet.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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tulieu.violet.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 Tulieu.violet.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.
tulieu.violet.vn
Open Graph description is not detected on the main page of Tulieu Violet. 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: