49.1 sec in total
6.9 sec
41.9 sec
314 ms
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Visit chinatzsb.cnWe analyzed Chinatzsb.cn page load time and found that the first response time was 6.9 sec and then it took 42.2 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. Unfortunately, there were 15 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
chinatzsb.cn performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value2.7 s
85/100
25%
Value3.0 s
93/100
10%
Value60 ms
100/100
30%
Value0.158
73/100
15%
Value4.4 s
83/100
10%
6922 ms
4021 ms
883 ms
4088 ms
4026 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 60% of them (59 requests) were addressed to the original Chinatzsb.cn, 10% (10 requests) were made to Pos.baidu.com and 6% (6 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Chinatzsb.cn.
Page size can be reduced by 223.4 kB (41%)
547.2 kB
323.8 kB
In fact, the total size of Chinatzsb.cn main page is 547.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 242.7 kB which makes up the majority of the site volume.
Potential reduce by 48.5 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 48.5 kB or 82% of the original size.
Potential reduce by 5.9 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. Chinatzsb images are well optimized though.
Potential reduce by 155.3 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 155.3 kB or 64% of the original size.
Potential reduce by 13.6 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. Chinatzsb.cn needs all CSS files to be minified and compressed as it can save up to 13.6 kB or 84% of the original size.
Number of requests can be reduced by 35 (44%)
80
45
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chinatzsb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
chinatzsb.cn
6922 ms
common.css
4021 ms
common.js
883 ms
TabSwitch.js
4088 ms
gg960_90.js
4026 ms
gg728_90.js
3860 ms
stat.php
4930 ms
f.js
2312 ms
acmm
1869 ms
acmm
2049 ms
top_bg.gif
2942 ms
top_bg2.jpg
6212 ms
logo.gif
9449 ms
top_login.gif
1345 ms
top_reg.gif
1935 ms
top_send.gif
2507 ms
top_supply.gif
3056 ms
menu_bg.gif
3414 ms
menu_left.gif
3406 ms
search_bg_mid.jpg
5480 ms
search_bg_left.jpg
6092 ms
botton_bg2.gif
4004 ms
search_bg_right.jpg
7298 ms
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19752 ms
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18670 ms
acmm
1998 ms
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2052 ms
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20416 ms
acmm
2877 ms
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5601 ms
index_btn1.png
17198 ms
acmm
1097 ms
xuanfu_close.png
528 ms
acmm
8563 ms
stat.htm
255 ms
core.php
1687 ms
index_btn2.png
17022 ms
acmm
2625 ms
index_btn3.png
17093 ms
office_ad.jpg
19703 ms
cpro.js
792 ms
adx.php
966 ms
icon_12px.png
548 ms
SprayGun.jpg
20352 ms
ad200.jpg
20344 ms
BaiduCM
1044 ms
adx.php
856 ms
reduce_bd-logo1_oper.png
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du
19768 ms
win_r.gif
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adx.php
438 ms
9.gif
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pixel
86 ms
adx.php
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pixel
61 ms
gpixel
354 ms
besmap
5485 ms
adx.php
462 ms
app.gif
19588 ms
u=211648673,139304309&fm=76
20299 ms
u=3801026118,3962160936&fm=76
1764 ms
u=364734367,922666969&fm=76
20297 ms
u=1395050712,404709710&fm=76
4189 ms
u=1717228966,2312655050&fm=76
13193 ms
win_l.gif
20280 ms
icon5.gif
17777 ms
main_menu_on.gif
19551 ms
closefeedback.min.js
19541 ms
main_menu_bg.gif
17153 ms
icon4.gif
15462 ms
main_info_title.gif
18763 ms
icon3.gif
14371 ms
btn_bg.gif
16971 ms
icon2.gif
13492 ms
o.htm
467 ms
wh.js
923 ms
ac.js
3327 ms
fp.htm
1607 ms
chinatzsb.cn 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
Links do not have a discernible name
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.
chinatzsb.cn 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
chinatzsb.cn 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
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
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinatzsb.cn 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 Chinatzsb.cn 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.
chinatzsb.cn
Open Graph description is not detected on the main page of Chinatzsb. 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: