22.3 sec in total
904 ms
20.5 sec
863 ms
Click here to check amazing 51 Job content for China. Otherwise, check out these important facts you probably never knew about 51job.com
前程无忧人才网面向全国,提供2024准确的招聘网站信息,为企业和求职者提供人才招聘、求职、找工作、培训等在内的全方位的人力资源服务,更多求职找工作信息尽在前程无忧!
Visit 51job.comWe analyzed 51job.com page load time and found that the first response time was 904 ms and then it took 21.4 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.
51job.com performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value11.1 s
0/100
25%
Value17.2 s
0/100
10%
Value300 ms
79/100
30%
Value0.088
93/100
15%
Value9.9 s
27/100
10%
904 ms
1191 ms
1532 ms
1739 ms
1951 ms
Our browser made a total of 98 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original 51job.com, 23% (23 requests) were made to Js.51jobcdn.com and 19% (19 requests) were made to Img01.51jobcdn.com. The less responsive or slowest element that took the longest time to load (14 sec) relates to the external source Img01.51jobcdn.com.
Page size can be reduced by 231.1 kB (17%)
1.4 MB
1.1 MB
In fact, the total size of 51job.com main page is 1.4 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. 60% of websites need less resources to load. Images take 987.2 kB which makes up the majority of the site volume.
Potential reduce by 115.8 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 17.1 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 115.8 kB or 81% of the original size.
Potential reduce by 91.4 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. 51 Job images are well optimized though.
Potential reduce by 16.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 7.3 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. 51job.com has all CSS files already compressed.
Number of requests can be reduced by 41 (43%)
96
55
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Job. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.
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51job.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
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.
51job.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
51job.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
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51job.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 51job.com main page’s claimed encoding is gbk. 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.
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51job.com
Open Graph description is not detected on the main page of 51 Job. 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: