9.8 sec in total
913 ms
8.5 sec
365 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 913 ms and then it took 8.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
51job.com performance score
name
value
score
weighting
Value10.1 s
0/100
10%
Value14.2 s
0/100
25%
Value18.6 s
0/100
10%
Value380 ms
69/100
30%
Value0.088
93/100
15%
Value14.1 s
9/100
10%
913 ms
1230 ms
1301 ms
1004 ms
1009 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original 51job.com, 30% (24 requests) were made to Js.51jobcdn.com and 24% (19 requests) were made to Img01.51jobcdn.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Js.51jobcdn.com.
Page size can be reduced by 261.8 kB (18%)
1.4 MB
1.2 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. 50% of websites need less resources to load. Images take 780.8 kB which makes up the majority of the site volume.
Potential reduce by 130.8 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 11% 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 130.8 kB or 83% of the original size.
Potential reduce by 79.5 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 44.4 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 needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 11% of the original size.
Number of requests can be reduced by 36 (46%)
78
42
The browser has sent 78 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 24 to 1 for JavaScripts and as a result speed up the page load time.
51job.com
913 ms
www.51job.com
1230 ms
jquery.js
1301 ms
pointtrack.js
1004 ms
layer.js
1009 ms
common_layer.js
1048 ms
common_select.js
1057 ms
layer_main_map.js
1073 ms
layer_main.js
1193 ms
layer_main_navigation.js
1198 ms
register_c.js
1247 ms
area_array_c.js
1464 ms
layer_c.js
1280 ms
login.js
1382 ms
jquery.placeholder.min.js
1387 ms
pointtrack_www.js
1446 ms
chgFindType.js
1486 ms
jquery.lazyload.js
1508 ms
index_2012.js
1570 ms
crypto-bundle.js
1579 ms
hmac-sha256.js
1645 ms
default.c3801771.css
1879 ms
pctop-bundle.js
1693 ms
search.js
1720 ms
default.52a817f6.js
2559 ms
hm.js
1228 ms
pc_topnav_app.png
346 ms
slogen.png
131 ms
slogen_fix.png
838 ms
1651821160822_300.jpeg
485 ms
2636362_300.png
392 ms
wk00103.jpg
314 ms
logo_100x40.png
345 ms
1628762_300.jpg
351 ms
43101.jpg
350 ms
pc_rightnav_wxmp.png
354 ms
pc_footnav_wxmp.png
355 ms
shjubao2.png
370 ms
11061.jpg
838 ms
map_2x.png
130 ms
400_72.gif
132 ms
wk00086.jpg
132 ms
ad_gongyi_small.jpg
553 ms
internet_complaint.png
677 ms
51081.jpg
412 ms
mdd630x140.png
484 ms
51young630x140.png
487 ms
33061.jpg
499 ms
pc_rightnav_app.png
486 ms
pc_footnav_app.png
487 ms
icp.png
507 ms
report.png
318 ms
bjt_spread_march.jpg
90 ms
bg_flter3.png
87 ms
list_icon_dw.png
82 ms
imgs.png
83 ms
icon_medal.png
85 ms
icon_game4.png
83 ms
ic_1V1a.png
85 ms
icon_arr.png
86 ms
pc_tag_advertise@2x.png
23 ms
cuad.png
22 ms
qr-code-on@2x.png
21 ms
feedback@2x.png
23 ms
top@2x.png
24 ms
hm.gif
1614 ms
sa.gif
1470 ms
open.php
2108 ms
slogen_fix.png
1191 ms
qrcodelogin.php
1238 ms
grey.gif
557 ms
965-60BA15.gif
19 ms
965-60BA06.gif
12 ms
38126150b.jpg
15 ms
965-60BA04.gif
16 ms
545agag5466.jpg
39 ms
965-60BA05.gif
26 ms
38129492.jpg
465 ms
sa.gif
415 ms
trackData.js
212 ms
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.
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: