10.5 sec in total
927 ms
9.4 sec
217 ms
Welcome to 51itjob.net homepage info - get ready to check 51 Itjob best content right away, or after learning these important things about 51itjob.net
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Visit 51itjob.netWe analyzed 51itjob.net page load time and found that the first response time was 927 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
51itjob.net performance score
name
value
score
weighting
Value2.5 s
67/100
10%
Value2.5 s
89/100
25%
Value5.4 s
57/100
10%
Value200 ms
89/100
30%
Value0.036
100/100
15%
Value2.8 s
97/100
10%
927 ms
575 ms
395 ms
424 ms
1073 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that all of those requests were addressed to 51itjob.net and no external sources were called. The less responsive or slowest element that took the longest time to load (7.3 sec) belongs to the original domain 51itjob.net.
Page size can be reduced by 204.9 kB (11%)
1.9 MB
1.7 MB
In fact, the total size of 51itjob.net main page is 1.9 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. 35% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 22.8 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 4.4 kB, which is 15% 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 22.8 kB or 77% of the original size.
Potential reduce by 60.1 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 Itjob images are well optimized though.
Potential reduce by 87.1 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 87.1 kB or 67% of the original size.
Potential reduce by 35.0 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. 51itjob.net needs all CSS files to be minified and compressed as it can save up to 35.0 kB or 80% of the original size.
Number of requests can be reduced by 12 (20%)
60
48
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Itjob. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
51itjob.net
927 ms
common.css
575 ms
reset.css
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index.css
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jquery.js
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jquery.lazyload.js
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cache_classify.js
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jquery.KinSlideshow.min.js
830 ms
jquery.comtip-min.js
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jquery.index.js
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jquery.vtip-min.js
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zzsc.css
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zzsc.js
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jquery.autocomplete.js
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jquery.SuperSlide.2.1.1.js
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51itjob.net 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
Form elements do not have associated labels
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.
51itjob.net 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
51itjob.net 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 doesn't use legible font sizes
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 51itjob.net 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 51itjob.net 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.
51itjob.net
Open Graph description is not detected on the main page of 51 Itjob. 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: