18.8 sec in total
4.6 sec
13.8 sec
401 ms
Visit douban.com now to see the best up-to-date Douban content for China and also check out these interesting facts you probably never knew about douban.com
提供图书、电影、音乐唱片的推荐、评论和价格比较,以及城市独特的文化生活。
Visit douban.comWe analyzed Douban.com page load time and found that the first response time was 4.6 sec and then it took 14.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
douban.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value5.5 s
19/100
25%
Value7.8 s
23/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value6.1 s
63/100
10%
4585 ms
859 ms
988 ms
991 ms
989 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Douban.com, 77% (62 requests) were made to Img6.douban.com and 14% (11 requests) were made to Erebor.douban.com. The less responsive or slowest element that took the longest time to load (5.5 sec) relates to the external source Qnypy.doubanio.com.
Page size can be reduced by 944.6 kB (22%)
4.2 MB
3.3 MB
In fact, the total size of Douban.com main page is 4.2 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 3.2 MB which makes up the majority of the site volume.
Potential reduce by 78.3 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 12.7 kB, which is 13% 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 78.3 kB or 82% of the original size.
Potential reduce by 222.9 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. Douban images are well optimized though.
Potential reduce by 551.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 551.4 kB or 68% of the original size.
Potential reduce by 92.0 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. Douban.com needs all CSS files to be minified and compressed as it can save up to 92.0 kB or 74% of the original size.
Number of requests can be reduced by 30 (38%)
79
49
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Douban. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
douban.com
4585 ms
www.douban.com
859 ms
_init_.css
988 ms
anonymous_home.css
991 ms
icon_qrcode_green.png
989 ms
doubanapp_qrcode.png
1076 ms
blank.gif
1092 ms
_init_.js
831 ms
5c167b698ce9a224.js
830 ms
201602181555435168__m
5538 ms
anony_nav_logo.png
62 ms
logo_db.png
62 ms
bn_srh_1.png
62 ms
doubanapp3.png
63 ms
wechat.png
62 ms
weibo.png
62 ms
file-1431585796.jpg
69 ms
blank.gif
62 ms
new_menu.gif
64 ms
ic_rating_s.png
64 ms
app_icons_50_10.jpg
63 ms
ic_bg_play.png
65 ms
8741072-9.jpg
65 ms
timeline-player-cover.png
66 ms
1291344-1.jpg
64 ms
7262039-2.jpg
65 ms
455832-1.jpg
66 ms
12c6895072654e5.jpg
66 ms
7ff25551788619e.jpg
67 ms
169b1b76356f636.jpg
67 ms
2a53d7b92e59a65.jpg
67 ms
p254316.jpg
68 ms
p306065.jpg
68 ms
p287409.jpg
69 ms
p299259.jpg
68 ms
p306542.jpg
72 ms
p282807.jpg
69 ms
p312762.jpg
70 ms
p264836.jpg
69 ms
p315960.jpg
70 ms
p303586.jpg
70 ms
ypy_qr.jpg
71 ms
201602041346346709__m
5533 ms
201512181715518431__m
5516 ms
201602181630317599__m
5531 ms
biaoshi.gif
20 ms
file-1423193113.png
20 ms
jubao.png
20 ms
jquery.min.js
5 ms
ad.js
4 ms
piwik.js
2421 ms
erebor.douban.com
843 ms
erebor.douban.com
828 ms
erebor.douban.com
830 ms
erebor.douban.com
836 ms
erebor.douban.com
835 ms
erebor.douban.com
841 ms
erebor.douban.com
1107 ms
base.js
3 ms
dialog.css
4 ms
dialog.js
5 ms
_all.js
7 ms
xdmtransport.js
15 ms
douban.js
15 ms
client.js
10 ms
p2320940960.jpg
502 ms
p1880279602.jpg
5 ms
p2230307759.jpg
8 ms
p2313412157.jpg
8 ms
p2316177058.jpg
8 ms
p2321634376.jpg
8 ms
p2315805100.jpg
8 ms
p2320939539.jpg
9 ms
p2315662314.jpg
10 ms
p2306653420.jpg
8 ms
p2309171908.jpg
8 ms
p2251539632.jpg
9 ms
293 ms
293 ms
292 ms
293 ms
douban.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
Image elements do not have [alt] attributes
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.
douban.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
douban.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
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Douban.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Douban.com 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.
douban.com
Open Graph description is not detected on the main page of Douban. 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: