DOUBAN.COM 豆瓣

douban.com Website Information

Daily Unique Visits: 2,026,418

Daily Page Views: 16,211,344

Income Per Day: $16,211

Estimated Value: $17,507,880

This website is located in China and is using following IP address 154.8.131.165. See the complete list of popular websites hosted in China.

douban.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website douban.com is using the following name servers:

  • ns4.dnsv4.com
  • ns3.dnsv4.com

and is probably hosted by Shenzhen Tencent Computer Systems Company Limited. See the full list of other websites hosted by Shenzhen Tencent Computer Systems Company Limited.

The highest website douban.com position in Alexa rank database was 34 and the lowest rank position was 19105. Current position of douban.com in Alexa rank database is 752.

Desktop speed score of douban.com (56/100) is better than the results of 30.56% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of douban.com (100/100) is better than the results of 100% of other sites and means that the page is mobile-friendly.

Mobile speed score of douban.com (46/100) is better than the results of 27.13% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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douban.com Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


douban.com whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Domain Name: DOUBAN.COM
Registry Domain ID: 130376958_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://www.net.cn
Updated Date: 2020-12-17T04:48:14Z
Creation Date: 2004-09-19T09:58:10Z
Registry Expiry Date: 2022-09-19T09:58:10Z
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Registrar IANA ID: 420
Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com
Registrar Abuse Contact Phone: +86.95187
Domain Status: ok https://icann.org/epp#ok
Name Server: NS3.DNSV4.COM
Name Server: NS4.DNSV4.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-22T12:44:39Z

douban.com server information

Servers Location

douban.com desktop page speed rank

Last tested: 2019-12-02


Desktop Speed Bad
56/100

douban.com Desktop Speed Test Quick Summary


priority - 64Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 621.5KiB (64% reduction).

Losslessly compressing https://img3.doubanio.com/img/files/file-1431585796.jpg could save 110.2KiB (61% reduction).
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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://img3.doubanio.com/f/shire/14a5bb57277dd7ea…6/js/core/do/_init_.js
https://img3.doubanio.com/misc/mixed_static/253987b1f705d439.js

Optimize CSS Delivery of the following:

https://img3.doubanio.com/f/shire/25e3b87e05e5de45…d6/css/core/_init_.css
https://img3.doubanio.com/f/sns/7f1996dce7fc66d2d9…sns/anonymous_home.css

priority - 7Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://douban.com/
http://www.douban.com/
https://www.douban.com/

priority - 2Reduce server response time

priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 46% of the final above-the-fold content could be rendered with the full HTML response.

priority - 0Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://ssl.google-analytics.com/ga.js (2 hours)

douban.com Desktop Resource Breakdown

Total Resources80
Number of Hosts9
Static Resources64
JavaScript Resources22
CSS Resources3

douban.com mobile page speed rank

Last tested: 2019-12-02


Mobile Speed Bad
46/100

douban.com Mobile Speed Test Quick Summary


priority - 77Avoid landing page redirects

Your page has 4 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://douban.com/
http://www.douban.com/
https://www.douban.com/
http://m.douban.com/
https://m.douban.com/

priority - 40Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://img3.doubanio.com/f/talion/ee8e0c54293aefb…9/js/card/zepto.min.js
https://img3.doubanio.com/f/talion/7e80c4115f702a6…1e756a/js/card/main.js
https://img3.doubanio.com/f/talion/2c7886b973bc49b…a7/js/lib/react.min.js
https://img3.doubanio.com/f/talion/75d419baf911494…97fd57/js/card/feed.js
https://img3.doubanio.com/misc/mixed_static/48410606d072ac3f.js

Optimize CSS Delivery of the following:

https://img3.doubanio.com/f/talion/fb26015f2ec3400…76ae/css/card/base.css
https://img3.doubanio.com/misc/mixed_static/7634e1ff55a313d7.css

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 5% of the final above-the-fold content could be rendered with the full HTML response.

priority - 3Reduce server response time

priority - 1Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.google-analytics.com/analytics.js (2 hours)

douban.com Mobile Resource Breakdown

Total Resources28
Number of Hosts7
Static Resources20
JavaScript Resources10
CSS Resources2

douban.com mobile page usability

Last tested: 2019-12-02


Mobile Usability Good
100/100

douban.com HTML validation

Warnings

Potentially bad value “zh-cmn-Hans” for attribute “lang” on element “html”: The language tag “zh-cmn-Hans” is deprecated. Use “cmn-hans” instead.

Line: 2 Column: 16 - 34
"...TYPE HTML> <html lang="zh-cmn-Hans" class=""> <head..."

The “type” attribute for the “style” element is not needed and should be omitted.

Line: 20 Column: 1 - 23
"...dex.css"> <style type="text/css"> .rec_..."

The “type” attribute is unnecessary for JavaScript resources.

Line: 2011 Column: 1 - 101
"...</script> <script type="text/javascript" src="https://img9.doubanio.com/misc/mixed_static/21176bed409dcd01.js"></scri..." Line: 2020 Column: 1 - 31
"... <script type="text/javascript"> (..." Line: 2068 Column: 1 - 31
"...ger --> <script type="text/javascript"> var _..." Line: 2085 Column: 1 - 31
".../script> <script type="text/javascript"> var _..."

Errors

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 116 Column: 7 - 135
"...n"> <iframe style="height: 300px; width: 300px;" frameborder='0' src="//accounts.douban.com/passport/login_popup?login_source=anony"></ifra..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 123 Column: 69 - 219
"...xpand-qr"><img src="https://img9.doubanio.com/f/sns/0c708de69ce692883c1310053c5748c538938cb0/pics/sns/anony_home/icon_qrcode_green.png" width="28" height="28" /></a> ..." Line: 125 Column: 11 - 162
"... <img src="https://img9.doubanio.com/f/sns/1cad523e614ec4ecb6bf91b054436bb79098a958/pics/sns/anony_home/doubanapp_qrcode.png" width="160" height="160" /> ..." Line: 441 Column: 22 - 116
"... <img style="top: -5px; position: relative;" src="https://img9.doubanio.com/pics/new_menu.gif"/> ..." Line: 973 Column: 21 - 114
"... <img style="top: 4px; position: absolute;" src="https://img9.doubanio.com/pics/new_menu.gif"/> ..." Line: 1312 Column: 58 - 252
"...lucifer/"><img src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" data-origin="https://img9.doubanio.com/view/site/small/public/b8e86e945f43312.jpg" width="48"></a> ..." Line: 1327 Column: 61 - 255
"...iqizhen/"><img src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" data-origin="https://img9.doubanio.com/view/site/small/public/a6504788187af24.jpg" width="48"></a> ..." Line: 1342 Column: 57 - 251
".../auburn/"><img src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" data-origin="https://img9.doubanio.com/view/site/small/public/c2c52cae4bbc059.jpg" width="48"></a> ..." Line: 1357 Column: 54 - 248
"...com/AfB/"><img src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" data-origin="https://img9.doubanio.com/view/site/small/public/2594de49af52f55.jpg" width="48"></a> ..." Line: 1372 Column: 62 - 256
"...project/"><img src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" data-origin="https://img9.doubanio.com/view/site/small/public/ecbc4e3066a4b7d.jpg" width="48"></a> ..." Line: 1549 Column: 36 - 56
"...ic cover"><img width=80 src=""><a hre..." Line: 1554 Column: 36 - 129
"...ic cover"><img width=80 src="https://img9.doubanio.com/view/fm_songlist_cover/large/public/3922400.jpg"><a hre..." Line: 1559 Column: 36 - 129
"...ic cover"><img width=80 src="https://img9.doubanio.com/view/fm_songlist_cover/large/public/3152439.jpg"><a hre..." Line: 1564 Column: 36 - 129
"...ic cover"><img width=80 src="https://img9.doubanio.com/view/fm_songlist_cover/large/public/3093099.jpg"><a hre..." Line: 1569 Column: 36 - 114
"...ic cover"><img width=80 src="https://img9.doubanio.com/img/songlist/large/1295552-1.jpg"><a hre..." Line: 1574 Column: 36 - 114
"...ic cover"><img width=80 src="https://img9.doubanio.com/img/songlist/large/1311462-1.jpg"><a hre..." Line: 1872 Column: 13 - 216
"... <img data-origin="https://img9.doubanio.com/pview/event_poster/small/public/c999ba4fb6ce5c6.jpg" src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" width="70"> ..." Line: 1894 Column: 13 - 216
"... <img data-origin="https://img9.doubanio.com/pview/event_poster/small/public/339ed386c14895d.jpg" src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" width="70"> ..." Line: 1916 Column: 13 - 216
"... <img data-origin="https://img9.doubanio.com/pview/event_poster/small/public/14763e28a99ed24.jpg" src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" width="70"> ..." Line: 1938 Column: 13 - 216
"... <img data-origin="https://img9.doubanio.com/pview/event_poster/small/public/ade2b1a74ab306a.jpg" src="https://img9.doubanio.com/f/shire/a1fdee122b95748d81cee426d717c05b5174fe96/pics/blank.gif" width="70"> ..." Line: 1981 Column: 26 - 97
"...2026-368号 <img src="https://img9.doubanio.com/pics/biaoshi.gif" align="absmiddle"> <a hr..." Line: 1982 Column: 37 - 128
"...31-9&nbsp;<img src="https://img9.doubanio.com/img/files/file-1423193113.png" height="16" align="top"/> <br..." Line: 1983 Column: 7 - 94
"..."/> <br><img src="https://img9.doubanio.com/pics/icon/jubao.png" align="absmiddle" width="15px"> <a hr..."

Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Line: 168 Column: 1 - 17
"... <div class="mod"> ..."

Bad value “” for attribute “src” on element “img”: Must be non-empty.

Line: 1549 Column: 36 - 56
"...ic cover"><img width=80 src=""><a hre..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Line: 1981 Column: 26 - 97
"...2026-368号 <img src="https://img9.doubanio.com/pics/biaoshi.gif" align="absmiddle"> <a hr..." Line: 1982 Column: 37 - 128
"...31-9&nbsp;<img src="https://img9.doubanio.com/img/files/file-1423193113.png" height="16" align="top"/> <br..." Line: 1983 Column: 7 - 94
"..."/> <br><img src="https://img9.doubanio.com/pics/icon/jubao.png" align="absmiddle" width="15px"> <a hr..."

Bad value “15px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.

Line: 1983 Column: 7 - 94
"..."/> <br><img src="https://img9.doubanio.com/pics/icon/jubao.png" align="absmiddle" width="15px"> <a hr..."

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douban.com Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


douban.com TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.