64.2 sec in total
5.3 sec
57.6 sec
1.3 sec
Visit vdo.vn now to see the best up-to-date VDO content for Vietnam and also check out these interesting facts you probably never knew about vdo.vn
Trang chủ VDO cung cấp các thông tin tổng quan về VDO: Lịch sử hình thành, các sản phẩm, hệ thống phân phối, đối tác chiến lược, khách hàng thân thiết.
Visit vdo.vnWe analyzed Vdo.vn page load time and found that the first response time was 5.3 sec and then it took 58.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 22 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
vdo.vn performance score
name
value
score
weighting
Value7.9 s
0/100
10%
Value20.6 s
0/100
25%
Value20.4 s
0/100
10%
Value16,670 ms
0/100
30%
Value0.013
100/100
15%
Value29.2 s
0/100
10%
5325 ms
754 ms
717 ms
2814 ms
3448 ms
Our browser made a total of 116 requests to load all elements on the main page. We found that 73% of them (85 requests) were addressed to the original Vdo.vn, 4% (5 requests) were made to Maps.googleapis.com and 3% (4 requests) were made to W.sharethis.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Vdo.vn.
Page size can be reduced by 1.0 MB (61%)
1.7 MB
675.9 kB
In fact, the total size of Vdo.vn main page is 1.7 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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 51.6 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 7.1 kB, which is 11% 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 51.6 kB or 80% of the original size.
Potential reduce by 56.9 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, VDO needs image optimization as it can save up to 56.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 730.9 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 730.9 kB or 70% of the original size.
Potential reduce by 199.3 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. Vdo.vn needs all CSS files to be minified and compressed as it can save up to 199.3 kB or 84% of the original size.
Number of requests can be reduced by 42 (49%)
86
44
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
vdo.vn
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wp-emoji-release.min.js
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style.css
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styles.css
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settings.css
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normalize.css
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basic.min.css
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font-awesome.min.css
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main.css
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buttons.js
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scripts.js
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js
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css
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analytics.js
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vdo.vn accessibility score
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
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
vdo.vn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
vdo.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Vdo.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 Vdo.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.
vdo.vn
Open Graph data is detected on the main page of VDO. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: