14.8 sec in total
833 ms
13.9 sec
131 ms
Visit pzb.com.cn now to see the best up-to-date Pzb content and also check out these interesting facts you probably never knew about pzb.com.cn
Visit pzb.com.cnWe analyzed Pzb.com.cn page load time and found that the first response time was 833 ms and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
pzb.com.cn performance score
name
value
score
weighting
Value2.9 s
51/100
10%
Value2.9 s
79/100
25%
Value3.2 s
92/100
10%
Value150 ms
94/100
30%
Value0.006
100/100
15%
Value4.3 s
84/100
10%
833 ms
4199 ms
947 ms
8826 ms
1308 ms
Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original Pzb.com.cn, 43% (3 requests) were made to 4.cn and 14% (1 request) were made to Libs.baidu.com. The less responsive or slowest element that took the longest time to load (8.8 sec) relates to the external source 4.cn.
Page size can be reduced by 46.0 kB (49%)
94.1 kB
48.1 kB
In fact, the total size of Pzb.com.cn main page is 94.1 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. Only 10% of websites need less resources to load. Javascripts take 83.5 kB which makes up the majority of the site volume.
Potential reduce by 4.5 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. This page needs HTML code to be minified as it can gain 1.2 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 4.5 kB or 65% of the original size.
Potential reduce by 18 B
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. Pzb images are well optimized though.
Potential reduce by 41.5 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 41.5 kB or 50% of the original size.
We found no issues to fix!
6
6
The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pzb. According to our analytics all requests are already optimized.
pzb.com.cn
833 ms
jquery.js
4199 ms
18629952.js
947 ms
welcome.gif
8826 ms
backimg.jpg
1308 ms
contact_img.gif
7279 ms
icon_0.gif
698 ms
pzb.com.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
pzb.com.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
pzb.com.cn 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pzb.com.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Pzb.com.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
pzb.com.cn
Open Graph description is not detected on the main page of Pzb. 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: