67.1 sec in total
6.2 sec
59.9 sec
943 ms
Click here to check amazing 51 Vv content for China. Otherwise, check out these important facts you probably never knew about 51vv.com
VV娱乐社区是多人在线视频聊天室交友网站,它集即时通信,在线卡拉OK,多人视频聊天功能于一身的视频软件,可为网友提供万人同时在线的视频交友,网络教学,舞蹈健身,在线KTV,股票财经,朗诵艺术,戏曲表演等众多学习娱乐平台。
Visit 51vv.comWe analyzed 51vv.com page load time and found that the first response time was 6.2 sec and then it took 60.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
51vv.com performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value7.7 s
3/100
25%
Value10.3 s
8/100
10%
Value1,070 ms
25/100
30%
Value0
100/100
15%
Value8.3 s
39/100
10%
6249 ms
3044 ms
971 ms
974 ms
964 ms
Our browser made a total of 237 requests to load all elements on the main page. We found that 88% of them (209 requests) were addressed to the original 51vv.com, 2% (5 requests) were made to Qzs.qq.com and 2% (4 requests) were made to Tjs.sjs.sinajs.cn. The less responsive or slowest element that took the longest time to load (19.5 sec) belongs to the original domain 51vv.com.
Page size can be reduced by 675.2 kB (24%)
2.8 MB
2.1 MB
In fact, the total size of 51vv.com main page is 2.8 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 145.2 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. This page needs HTML code to be minified as it can gain 47.5 kB, which is 28% 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 145.2 kB or 87% of the original size.
Potential reduce by 232.2 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. Obviously, 51 Vv needs image optimization as it can save up to 232.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 241.0 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 241.0 kB or 63% of the original size.
Potential reduce by 56.8 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. 51vv.com needs all CSS files to be minified and compressed as it can save up to 56.8 kB or 81% of the original size.
Number of requests can be reduced by 28 (12%)
234
206
The browser has sent 234 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Vv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
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51vv.com 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.
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
Links do not have a discernible name
51vv.com 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
51vv.com 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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51vv.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 51vv.com 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.
51vv.com
Open Graph description is not detected on the main page of 51 Vv. 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: