41.1 sec in total
7.3 sec
33.5 sec
295 ms
Welcome to su.zhongkao.com homepage info - get ready to check Su Zhongkao best content for China right away, or after learning these important things about su.zhongkao.com
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Visit su.zhongkao.comWe analyzed Su.zhongkao.com page load time and found that the first response time was 7.3 sec and then it took 33.8 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.
su.zhongkao.com performance score
name
value
score
weighting
Value7.3 s
1/100
10%
Value12.2 s
0/100
25%
Value17.6 s
0/100
10%
Value140 ms
95/100
30%
Value0.013
100/100
15%
Value13.3 s
11/100
10%
7259 ms
2811 ms
4350 ms
4479 ms
2112 ms
Our browser made a total of 82 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Su.zhongkao.com, 61% (50 requests) were made to Img.eduuu.com and 15% (12 requests) were made to Files.eduuu.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Files.eduuu.com.
Page size can be reduced by 735.0 kB (72%)
1.0 MB
281.0 kB
In fact, the total size of Su.zhongkao.com main page is 1.0 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. Javascripts take 406.5 kB which makes up the majority of the site volume.
Potential reduce by 298.0 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 57.0 kB, which is 17% 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 298.0 kB or 87% of the original size.
Potential reduce by 26.9 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, Su Zhongkao needs image optimization as it can save up to 26.9 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 303.1 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 303.1 kB or 75% of the original size.
Potential reduce by 106.9 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. Su.zhongkao.com needs all CSS files to be minified and compressed as it can save up to 106.9 kB or 83% of the original size.
Number of requests can be reduced by 37 (46%)
80
43
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Su Zhongkao. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.
su.zhongkao.com
7259 ms
pczk_2016.css
2811 ms
jquery1.7.1.js
4350 ms
common.js
4479 ms
jquery.SuperSlide.js
2112 ms
iscroll.js
5873 ms
topMenu.js
4883 ms
logs.js
1996 ms
docapi.min.js
3553 ms
subcity_zk.js
3111 ms
asMenu.js
3415 ms
s
801 ms
s
801 ms
s
803 ms
s
453 ms
s
508 ms
public_index_zkservice.js
2166 ms
public_index_service.js
6660 ms
ggc.js
2646 ms
searchapi.js
2623 ms
public_pczhongkao.js
4218 ms
public_index_call.js
3485 ms
js_index_jx.js
2960 ms
public_topNav_tt.css
1846 ms
avatar_small.jpg
3877 ms
login.js
752 ms
nav_btn_srh.gif
770 ms
113219_55ff7a43af4fe.jpg
13749 ms
topnavbg.gif
419 ms
nav_login.png
607 ms
friendlogin.png
1919 ms
logo.gif
608 ms
dianmore.jpg
1463 ms
wxpic.jpg
2379 ms
bq_bk.jpg
2494 ms
plus.jpg
1720 ms
bq_beik.jpg
2862 ms
bq_jplm.jpg
2403 ms
title_text01.jpg
2683 ms
zk_logo.gif
5951 ms
logo_py.gif
3228 ms
134610_4e9e64226028c.jpg
17651 ms
173623_4ea53197810d4.jpg
20157 ms
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5837 ms
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15610 ms
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20157 ms
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13532 ms
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20156 ms
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20157 ms
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17874 ms
170509_557fe6c5973da.jpg
20158 ms
170336_557fe668e1f65.jpg
20157 ms
chkLogin.js
742 ms
sitebg.gif
2669 ms
new_icon.gif
2035 ms
focusbg0.jpg
3323 ms
int.png
2312 ms
listIcon1.gif
2440 ms
arrow.jpg
2585 ms
listIcon.gif
3870 ms
st.jpg
3741 ms
icon.jpg
2815 ms
listsj.jpg
2921 ms
arrow.png
3120 ms
d.png
3952 ms
btn_jx.gif
3434 ms
icon_jx.gif
3491 ms
jx_transbg.png
3753 ms
jxbg.gif
4009 ms
ga.js
10914 ms
hm.js
1319 ms
back_top.png
3686 ms
shell_v2.js
682 ms
icoCircle.gif
3556 ms
logger.js
217 ms
bds_s_v2.js
433 ms
bdsstyle.css
217 ms
r0.gif
236 ms
hm.gif
1248 ms
__utm.gif
15 ms
__utm.gif
4 ms
collect
71 ms
su.zhongkao.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
su.zhongkao.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
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
su.zhongkao.com SEO score
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
EN
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Su.zhongkao.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Su.zhongkao.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.
su.zhongkao.com
Open Graph description is not detected on the main page of Su Zhongkao. 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: