11.4 sec in total
681 ms
10.2 sec
498 ms
Visit jsj.chinatat.com now to see the best up-to-date Jsj Chinatat content for China and also check out these interesting facts you probably never knew about jsj.chinatat.com
正保职业培训教育网-正保远程教育集团旗下职业资格辅导培训网站
Visit jsj.chinatat.comWe analyzed Jsj.chinatat.com page load time and found that the first response time was 681 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
jsj.chinatat.com performance score
name
value
score
weighting
Value2.9 s
52/100
10%
Value11.7 s
0/100
25%
Value11.1 s
6/100
10%
Value1,070 ms
24/100
30%
Value0.038
100/100
15%
Value6.3 s
61/100
10%
681 ms
961 ms
1013 ms
207 ms
624 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jsj.chinatat.com, 51% (40 requests) were made to Img.cdeledu.com and 25% (20 requests) were made to Chinatat.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Chinatat.com.
Page size can be reduced by 676.3 kB (14%)
4.9 MB
4.2 MB
In fact, the total size of Jsj.chinatat.com main page is 4.9 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. 60% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.
Potential reduce by 25.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.9 kB or 79% of the original size.
Potential reduce by 648.1 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. Obviously, Jsj Chinatat needs image optimization as it can save up to 648.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.4 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 1.0 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. Jsj.chinatat.com needs all CSS files to be minified and compressed as it can save up to 1.0 kB or 28% of the original size.
Number of requests can be reduced by 3 (4%)
71
68
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsj Chinatat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
jsj.chinatat.com
681 ms
961 ms
1013 ms
207 ms
624 ms
www.chinatat.com
206 ms
www.chinatat.com
358 ms
style.css
442 ms
jquery-1.9.1.min.js
620 ms
24olv2_box.js
1429 ms
logo.png
618 ms
tel_05.png
620 ms
jquery.cookie.js
676 ms
index.js
752 ms
search-line.png
449 ms
search-b.png
374 ms
bot_img.png
376 ms
s_03.png
372 ms
de_03.png
460 ms
banner_02.png
4690 ms
applet_09.png
208 ms
gr_bk.png
286 ms
getUcToken
1613 ms
getPcCourseEduTypeList
1629 ms
60D709AF6DE8A07427A72A7F97C241FB-2cfab822fa7d6e0c6a4dbcc978aea53e
329 ms
getPcEduSubjectListByCourseEduType
314 ms
getPcEduSubjectListByCourseEduType
514 ms
getPcEduSubjectListByCourseEduType
491 ms
getPcEduSubjectListByCourseEduType
673 ms
getPcEduSubjectListByCourseEduType
640 ms
getPcEduSubjectListByCourseEduType
606 ms
getPcCourseListByEduSubjectId
576 ms
getPcCourseListByEduSubjectId
356 ms
getPcCourseListByEduSubjectId
398 ms
getPcCourseListByEduSubjectId
306 ms
getPcCourseListByEduSubjectId
291 ms
getPcCourseListByEduSubjectId
312 ms
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jsj.chinatat.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.
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
Links do not have a discernible name
jsj.chinatat.com 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
jsj.chinatat.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsj.chinatat.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 Jsj.chinatat.com 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.
jsj.chinatat.com
Open Graph description is not detected on the main page of Jsj Chinatat. 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: