49.4 sec in total
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We analyzed Zjol.com.cn page load time and found that the first response time was 1.4 sec and then it took 48 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
zjol.com.cn performance score
Our browser made a total of 63 requests to load all elements on the main page. We found that 30% of them (19 requests) were addressed to the original Zjol.com.cn, 62% (39 requests) were made to Img.zjolcdn.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Img.zjolcdn.com.
Page size can be reduced by 1.3 MB (23%)
In fact, the total size of Zjol.com.cn main page is 5.7 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. 25% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.
Potential reduce by 83.9 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 23.2 kB, which is 23% 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 83.9 kB or 83% of the original size.
Potential reduce by 305.8 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. Zjol images are well optimized though.
Potential reduce by 503.6 kB
Potential reduce by 421.3 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. Zjol.com.cn needs all CSS files to be minified and compressed as it can save up to 421.3 kB or 84% of the original size.
Number of requests can be reduced by 14 (24%)
zjol.com.cn accessibility score
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
[aria-hidden="true"] elements contain focusable descendents
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
Links do not have a discernible name
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
zjol.com.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
zjol.com.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zjol.com.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 Zjol.com.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 Zjol. 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: