43.8 sec in total
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We analyzed Voipchina.cn page load time and found that the first response time was 10.6 sec and then it took 33.2 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 were 9 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
voipchina.cn performance score
Our browser made a total of 85 requests to load all elements on the main page. We found that 91% of them (77 requests) were addressed to the original Voipchina.cn, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to S24.cnzz.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain Voipchina.cn.
Page size can be reduced by 179.4 kB (64%)
In fact, the total size of Voipchina.cn main page is 278.7 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. 20% of websites need less resources to load. HTML takes 143.5 kB which makes up the majority of the site volume.
Potential reduce by 124.4 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 16.5 kB, which is 12% 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 124.4 kB or 87% of the original size.
Potential reduce by 29.4 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, Voipchina needs image optimization as it can save up to 29.4 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 23.3 kB
Potential reduce by 2.3 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. Voipchina.cn needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 68% of the original size.
Number of requests can be reduced by 20 (27%)
voipchina.cn accessibility score
These are opportunities to improve the legibility of your content.
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.
<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.
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
voipchina.cn best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
Serves images with low resolution
Browser errors were logged to the console
voipchina.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Voipchina.cn 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 Voipchina.cn main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
Open Graph description is not detected on the main page of Voipchina. 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: