13.3 sec in total
3.7 sec
9.4 sec
202 ms
Welcome to books.com.cn homepage info - get ready to check Books best content right away, or after learning these important things about books.com.cn
This website is for sale! books.com.cn is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, books.com.cn has ...
Visit books.com.cnWe analyzed Books.com.cn page load time and found that the first response time was 3.7 sec and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
books.com.cn performance score
name
value
score
weighting
Value0.9 s
100/100
10%
Value0.9 s
100/100
25%
Value2.1 s
99/100
10%
Value270 ms
82/100
30%
Value0.197
62/100
15%
Value3.0 s
95/100
10%
3686 ms
478 ms
1153 ms
712 ms
555 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Books.com.cn, 27% (6 requests) were made to Cpro.baidustatic.com and 18% (4 requests) were made to A1.dnbizcdn.com. The less responsive or slowest element that took the longest time to load (3.7 sec) belongs to the original domain Books.com.cn.
Page size can be reduced by 302.0 kB (62%)
488.5 kB
186.4 kB
In fact, the total size of Books.com.cn main page is 488.5 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. 25% of websites need less resources to load. Javascripts take 445.0 kB which makes up the majority of the site volume.
Potential reduce by 12.4 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 12.4 kB or 66% of the original size.
Potential reduce by 4.8 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, Books needs image optimization as it can save up to 4.8 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 284.9 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 284.9 kB or 64% of the original size.
Number of requests can be reduced by 6 (29%)
21
15
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
books.com.cn
3686 ms
client_old.js
478 ms
domain_parking.js
1153 ms
ci.js
712 ms
jquery.min.js
555 ms
caf.js
414 ms
yumi.jpg
875 ms
baidu.png
82 ms
uijs.php
905 ms
uijs.php
1333 ms
cpro.js
643 ms
sync.htm
461 ms
icon_12px.png
489 ms
template_inlay_all.js
431 ms
sync.htm
422 ms
0f000rTM7Hk7YYfB7MGVKs.jpg
1246 ms
s.htm
1071 ms
sync.html
1301 ms
sync_pos.htm
1242 ms
0f000AsYQ-hWCzGx374wa0.jpg
1242 ms
0f0000gKbgsAtEd9Uffi3s.jpg
1271 ms
sync2r.htm
1386 ms
books.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.
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
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.
books.com.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
books.com.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 doesn't use legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Books.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 Books.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.
books.com.cn
Open Graph description is not detected on the main page of Books. 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: