6.7 sec in total
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Welcome to vansulanh.vn homepage info - get ready to check Vansulanh best content for Vietnam right away, or after learning these important things about vansulanh.vn
ClassClap là nền tảng ứng dụng quản lý lớp học kết nối thông tin học sinh ở nhà trường và gia đình, đơn giản hóa hoạt động quản lý học sinh và con cái.
Visit vansulanh.vnWe analyzed Vansulanh.vn page load time and found that the first response time was 1.3 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
vansulanh.vn performance score
1335 ms
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Our browser made a total of 39 requests to load all elements on the main page. We found that 92% of them (36 requests) were addressed to the original Vansulanh.vn, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Vansulanh.vn.
Page size can be reduced by 532.2 kB (74%)
721.8 kB
189.6 kB
In fact, the total size of Vansulanh.vn main page is 721.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 442.0 kB which makes up the majority of the site volume.
Potential reduce by 12.8 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 2.6 kB, which is 16% 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 12.8 kB or 80% of the original size.
Potential reduce by 17.6 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, Vansulanh needs image optimization as it can save up to 17.6 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 361.6 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 361.6 kB or 82% of the original size.
Potential reduce by 140.2 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. Vansulanh.vn needs all CSS files to be minified and compressed as it can save up to 140.2 kB or 85% of the original size.
Number of requests can be reduced by 20 (53%)
38
18
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vansulanh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
vansulanh.vn
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jquery-1.11.2.js
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bootstrap-dialog.min.css
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kiem-tra-quyen.js
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vansulanh.vn SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vansulanh.vn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vansulanh.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.
vansulanh.vn
Open Graph description is not detected on the main page of Vansulanh. 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: