6 sec in total
639 ms
4.8 sec
528 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 639 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
douban.com performance score
name
value
score
weighting
Value4.8 s
12/100
10%
Value4.9 s
28/100
25%
Value7.6 s
26/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value5.0 s
77/100
10%
639 ms
717 ms
1120 ms
483 ms
595 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Douban.com, 72% (47 requests) were made to Img1.doubanio.com and 11% (7 requests) were made to Img3.doubanio.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Img2.doubanio.com.
Page size can be reduced by 138.9 kB (15%)
928.6 kB
789.7 kB
In fact, the total size of Douban.com main page is 928.6 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. 35% of websites need less resources to load. Images take 650.3 kB which makes up the majority of the site volume.
Potential reduce by 70.9 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 15% 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 70.9 kB or 83% of the original size.
Potential reduce by 52.7 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 15.3 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. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 28 (46%)
61
33
The browser has sent 61 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 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
douban.com
639 ms
www.douban.com
717 ms
www.douban.com
1120 ms
dialog.css
483 ms
_init_.css
595 ms
index.css
670 ms
jquery-1.10.2.min.js
732 ms
_all.js
750 ms
douban.js
694 ms
_init_.js
695 ms
dialog.js
691 ms
base.js
747 ms
lazypic.js
761 ms
inp_label.js
776 ms
head.js
776 ms
rec_topics.css
812 ms
1771365ca98ig9er706.jpg
954 ms
login_popup
1103 ms
33ecc2ae-17c2-11ed-a6d2-cac96ed0deb7.png
329 ms
c4972ec0-e3bf-11e7-9d88-0242ac110021.jpg
1368 ms
new_menu.gif
206 ms
f6189198-5ae8-11eb-865e-16d4e49064e7.png
343 ms
e00c9a1e-fa03-11ec-9321-ea5ee0902ad3.jpg
365 ms
a1e1fedc-73ac-11e8-b5f7-0242ac110013.png
366 ms
logo_db.png
99 ms
anony_nav_logo.png
99 ms
ic_read_home_nav.png
100 ms
ic_shijian_home_nav.png
101 ms
sitename.png
98 ms
bn_srh_1.png
101 ms
icon_qrcode_green.png
146 ms
doubanapp_qrcode.png
151 ms
blank.gif
147 ms
f9f6b416-18c3-11e9-bdb8-0242ac110008.jpg
217 ms
416add14-0254-11e7-8292-0242ac11002c.jpg
155 ms
9e716428-208f-11e9-b787-0242ac110009.jpg
151 ms
9b00d4c2-0519-11ee-b68f-de03e617901d.jpg
219 ms
ce3d43c0-1013-11e9-8186-0242ac110018.jpg
560 ms
tousu.jpeg
228 ms
jubao.jpg
227 ms
jubao.png
229 ms
biaoshi.gif
317 ms
ic_audio_w@2x.png
266 ms
ic_rating_s.png
281 ms
app_icons_50_10.jpg
281 ms
ic_bg_play.png
315 ms
file-1683473403-0.jpg
402 ms
file-1683536915-0.jpg
529 ms
file-1683536948-0.jpg
529 ms
file-1683537103-0.jpg
432 ms
file-1683537134-0.jpg
574 ms
bG90MDZqMy9mL2FkanMvYzhmZjE5MGNhYzNkN2UyMWJjMTI3NzJlYWNkOWVkODZhMmFjMzdhMi9hZC5yZWxlYXNlLmpz
409 ms
piwik.js
246 ms
p2633666057.jpg
251 ms
p2578730628.jpg
448 ms
p2645156498.jpg
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p2871391040.jpg
483 ms
piwik
1190 ms
erebor.douban.com
951 ms
erebor.douban.com
956 ms
base.css
89 ms
polyfill.js
74 ms
base.js
84 ms
ad.doubanio.com
1 ms
de45abfad526e13.jpg
10 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: