ZHIHU.COM 知乎 - 有问题,上知乎

zhihu.com Website Information

Daily Unique Visits: 8,465,924

Daily Page Views: 67,727,392

Income Per Day: $67,727

Estimated Value: $73,145,160

This website is located in China and is using following IP address 118.89.204.192. See the complete list of popular websites hosted in China.

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

Website zhihu.com is using the following name servers:

  • ns4.dnsv5.com
  • ns3.dnsv5.com

and is probably hosted by CLOUDMIND Beijing Cloud Mind Technologies Co., Ltd, CN. See the full list of other websites hosted by CLOUDMIND Beijing Cloud Mind Technologies Co., Ltd, CN.

The highest website zhihu.com position in Alexa rank database was 6 and the lowest rank position was 675. Current position of zhihu.com in Alexa rank database is 180.

Desktop speed score of zhihu.com (84/100) is better than the results of 78.07% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of zhihu.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 zhihu.com (70/100) is better than the results of 76.43% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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zhihu.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.


zhihu.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: ZHIHU.COM
Registry Domain ID: 1030643753_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dnspod.cn
Registrar URL: http://www.dnspod.cn
Updated Date: 2020-08-17T07:35:27Z
Creation Date: 2007-06-15T17:28:11Z
Registry Expiry Date: 2024-09-29T11:59:59Z
Registrar: DNSPod, Inc.
Registrar IANA ID: 1697
Registrar Abuse Contact Email: abuse@dnspod.com
Registrar Abuse Contact Phone: +86.95716
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS3.DNSV5.COM
Name Server: NS4.DNSV5.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-04-22T12:48:55Z

zhihu.com server information

Servers Location

zhihu.com desktop page speed rank

Last tested: 2019-12-02


Desktop Speed Medium
84/100

zhihu.com Desktop Speed Test Quick Summary


priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://static.zhihu.com/static/revved/-/js/instant.14757a4a.js

Optimize CSS Delivery of the following:

https://static.zhihu.com/static/revved/-/css/pages…ndex/main.7c8cf145.css

priority - 5Leverage 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://zhstatic.zhihu.com/assets/zap/2.1.14/zap.js (expiration not specified)
https://zhstatic.zhihu.com/assets/zfeedback/3.0.12/zfeedback.js (expiration not specified)
https://static.zhihu.com/static/revved/-/css/pages…ndex/main.7c8cf145.css (10 minutes)
https://static.zhihu.com/static/revved/-/js/closure/base.34bda779.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/closure/common.23b70728.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/closure/page-index.19f8b5aa.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/instant.14757a4a.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/vendor.cb14a042.js (10 minutes)
https://static.zhihu.com/static/revved/img/index/logo.6837e927.png (10 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 3Reduce server response time

priority - 1Optimize images

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

Optimize the following images to reduce their size by 9.6KiB (64% reduction).

Compressing https://www.zhihu.com/captcha.gif?r=1482285313656&type=login&lang=cn could save 7.6KiB (65% reduction).
Compressing https://www.zhihu.com/captcha.gif?r=1482285313660&type=register could save 2KiB (60% reduction).

zhihu.com Desktop Resource Breakdown

Total Resources21
Number of Hosts6
Static Resources10
JavaScript Resources9
CSS Resources1

zhihu.com mobile page speed rank

Last tested: 2016-12-21


Mobile Speed Medium
70/100

zhihu.com Mobile Speed Test Quick Summary


priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://static.zhihu.com/static/revved/-/js/instant.14757a4a.js

Optimize CSS Delivery of the following:

https://static.zhihu.com/static/revved/-/css/pages…ndex/main.7c8cf145.css

priority - 7Leverage 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://zhstatic.zhihu.com/assets/zap/2.1.14/zap.js (expiration not specified)
https://static.zhihu.com/static/revved/-/css/pages…ndex/main.7c8cf145.css (10 minutes)
https://static.zhihu.com/static/revved/-/js/closure/base.34bda779.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/closure/common.23b70728.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/closure/page-index.19f8b5aa.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/instant.14757a4a.js (10 minutes)
https://static.zhihu.com/static/revved/-/js/vendor.cb14a042.js (10 minutes)
https://static.zhihu.com/static/revved/img/app_pro…r/icon@3x.6362b806.png (10 minutes)
https://static.zhihu.com/static/revved/img/index/logo@2x.e4e2b466.png (10 minutes)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 4Reduce server response time

priority - 1Optimize images

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

Optimize the following images to reduce their size by 5.1KiB (59% reduction).

Compressing https://www.zhihu.com/captcha.gif?r=1482285301471&type=login could save 2.6KiB (59% reduction).
Compressing https://www.zhihu.com/captcha.gif?r=1482285301477&type=register could save 2.4KiB (59% reduction).

zhihu.com Mobile Resource Breakdown

Total Resources21
Number of Hosts6
Static Resources10
JavaScript Resources8
CSS Resources1

zhihu.com mobile page usability

Last tested: 2016-12-21


Mobile Usability Good
100/100

zhihu.com HTML validation

Errors

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 2 Column: 309 - 371
"..."webkit"/><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/><meta ..."

CSS: “height”: “constant(safe-area-inset-top)” is not a “height” value.

Line: 4 Column: 41 - 50
"...nset-top) !important; he..."

CSS: “height”: “env(safe-area-inset-top)” is not a “height” value.

Line: 5 Column: 36 - 45
"...nset-top) !important; }..."

CSS: “height”: “constant(safe-area-inset-bottom)” is not a “height” value.

Line: 9 Column: 44 - 53
"...t-bottom) !important; he..."

CSS: “height”: “env(safe-area-inset-bottom)” is not a “height” value.

Line: 10 Column: 39 - 48
"...t-bottom) !important; }..."

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

Line: 13 Column: 1599 - 1709
"...-content"><img class="SignFlowHomepage-logo" src="https://pic4.zhimg.com/80/v2-a47051e92cf74930bedd7469978e6c08_hd.png"/><style..." Line: 13 Column: 21560 - 21637
"...02020088"><img src="https://pic3.zhimg.com/80/v2-d0289dc0a46fc5b15b3363ffa78cf6c7.png"/>京公网安备 ..."

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

Line: 13 Column: 1710 - 1742
"..._hd.png"/><style data-emotion-css="i6bazn">.css-..." Line: 13 Column: 1780 - 1813
"...;}</style><style data-emotion-css="1vwxb96">.css-1..." Line: 13 Column: 13759 - 13792
"...div></div><style data-emotion-css="1hmxk26">.css-1..." Line: 13 Column: 16485 - 16518
"...pan></div><style data-emotion-css="1pk3pp1">.css-1..." Line: 13 Column: 16876 - 16909
"...-1pk3pp1"><style data-emotion-css="1pysja1">.css-1..." Line: 13 Column: 17033 - 17065
"...-1pysja1"><style data-emotion-css="jzr1wa">.css-j..." Line: 13 Column: 18491 - 18523
"...</a></div><style data-emotion-css="lbryw4">.css-l..." Line: 13 Column: 18665 - 18697
"...w4"></div><style data-emotion-css="eow14e">.css-e..." Line: 13 Column: 18836 - 18868
"...s-eow14e"><style data-emotion-css="c01qo8">.css-c..."

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

Line: 13 Column: 13009 - 13046
"...ishImage"><div class="Captcha-englishContainer"><img d..."

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

Line: 13 Column: 17229 - 17261
"...s-jzr1wa"><style data-emotion-css="vfpo4o">.css-v..."

Stray start tag “script”.

Line: 13 Column: 50023 - 50112
"...></script></body><script src="https://hm.baidu.com/hm.js?98beee57fd2ef70ccdd5ca52b9740c49" async=""></scri..."

Warnings

The “main” role is unnecessary for element “main”.

Line: 13 Column: 1496 - 1530
"...ar"></div><main role="main" class="App-main"><div c..."

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zhihu.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.


zhihu.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.