5.8 sec in total
773 ms
4.9 sec
191 ms
Welcome to violympicvn.net homepage info - get ready to check Vi Olympic Vn best content right away, or after learning these important things about violympicvn.net
Tất cả các yêu cầu Hỗ trợ ViOlympic & IOE của thành viên sẽ được chúng tôi hỗ trợ nhanh chóng với thời gian phục vụ 24/24. Chúng tôi luôn cố gắng đem đến cho thành viên sự hỗ trợ nhanh chóng, thuận ti...
Visit violympicvn.netWe analyzed Violympicvn.net page load time and found that the first response time was 773 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
violympicvn.net performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value6.9 s
7/100
25%
Value10.6 s
7/100
10%
Value60 ms
100/100
30%
Value0
100/100
15%
Value10.1 s
26/100
10%
773 ms
309 ms
1767 ms
628 ms
639 ms
Our browser made a total of 104 requests to load all elements on the main page. We found that 36% of them (37 requests) were addressed to the original Violympicvn.net, 18% (19 requests) were made to Um.simpli.fi and 10% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Violympicvn.net.
Page size can be reduced by 239.3 kB (50%)
475.3 kB
236.0 kB
In fact, the total size of Violympicvn.net main page is 475.3 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. 35% of websites need less resources to load. Javascripts take 174.7 kB which makes up the majority of the site volume.
Potential reduce by 44.8 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 11.9 kB, which is 18% 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 44.8 kB or 68% of the original size.
Potential reduce by 18.6 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, Vi Olympic Vn needs image optimization as it can save up to 18.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 104.4 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 104.4 kB or 60% of the original size.
Potential reduce by 71.5 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. Violympicvn.net needs all CSS files to be minified and compressed as it can save up to 71.5 kB or 80% of the original size.
Number of requests can be reduced by 54 (65%)
83
29
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vi Olympic Vn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
violympicvn.net
773 ms
zingxu.v1.0.css
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box_boxy.2.0.0.css
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global.v1.0.css
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tooltip-gunny.css
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jquery-core.js
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myboxy.1.0.4.js
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activeFlash.js
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goIOE.png
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online.gif
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violympicvn.net accessibility score
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
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
<object> elements do not have alternate text
violympicvn.net 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
violympicvn.net 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
Document uses plugins
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Violympicvn.net can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Violympicvn.net 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.
violympicvn.net
Open Graph description is not detected on the main page of Vi Olympic Vn. 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: