21cto.com
21CTO - 开发者的学习与服务平台
Domain Summary
What is the traffic rank for 21cto.com?
• 21cto.com ranks #588,720 globally on HypeStat.
What percent of global Internet users visit 21cto.com?
• 1.44E-5% of global Internet users visit 21cto.com
How many people visit 21cto.com each day?
• 21cto.com receives approximately 712 visitors and 999 page impressions per day.
Which countries does 21cto.com receive most of its visitors from?
• 21cto.com is mostly visited by people located in China,United States,Taiwan.
How much 21cto.com can earn?
• 21cto.com should earn about $1.53/day from advertising revenue.
What is 21cto.com estimated value?
• Estimated value of 21cto.com is $1,382.68.
What IP addresses does 21cto.com resolve to?
• 21cto.com resolves to the IP addresses 82.156.105.75.
Where are 21cto.com servers located in?
• 21cto.com has servers located in Beijing, 22, China.
21cto.com Profile
Title:21CTO - 开发者的学习与服务平台
Description:21CTO 是专业、深度和个性化的技术社区，开发者的学习与服务平台。提供高品质的技术资讯、文章专栏、线上课程、训练营以及高端职位等产品。助力开发者成为更优秀的技术专家。
Tags:
What technologies does 21cto.com use?
These are the technologies used at 21cto.com. 21cto.com has a total of 12 technologies installed in 8 different categories.
21cto.com Traffic Analysis
21cto.com is ranked #588,720 in the world. This website is viewed by an estimated 712 visitors daily, generating a total of 1K pageviews. This equates to about 21.6K monthly visitors. 21cto.com traffic has increased by 130.18% compared to last month.Daily Visitors712
283.22%
Monthly Visits21.6K
130.18%
Pages per Visit1.40
63.57%
Visit duration00:33
30.2%
Bounce Rate65.88%
20.56%
Is this your site?Verify your site's metrics.
- Daily Unique Visitors:
- 712
- Monthly Visits:
- 21,574
- Pages per Visit:
- 1.40
- Daily Pageviews:
- 999
- Avg. visit duration:
- 00:33
- Bounce rate:
- 65.88%
- Global Reach:
- 1.44E-5%
- Monthly Visits (SEMrush):
- 27,311
- Monthly Unique Visitors (SEMrush):
- 26,097
- Monthly Visits (SimilarWeb):
- 21,135
- HypeRank:
- 588,720
- SEMrush Rank:
- 1,879,255
- SimilarWeb Rank:
- 1,408,120
Traffic sources
- Direct:
- 5.85%
- Referral:
- 0.76%
- Search:
- 93.39%
- Social:
- 0%
- Paid:
- 0%
Desktop vs Mobile
- Desktop:
- 100.00%
- Mobile:
- 0%
Total Visits Last 3 Months
31.6K
DEC
9.4K
JAN
21.6K
FEB
Visitors by country
- Country
- Users%
- China 50.72%
- United States 15.93%
- Taiwan 8.03%
- Singapore 6.93%
- Hong Kong 6.24%
Backlinks Report ▼
21cto.com has a total of 3,561 backlinks from 179 referring domains and most of them comes from Singapore.- Total Backlinks:
- 3,561
- Follow Links:
- n/a
- Nofollow Links:
- n/a
- Referring Domains:
- 179
- Referring IPs:
- 55
- Authority Domain Score:
- 13
Backlinks by country
- Country
- Domains
- Singapore 134
- Romania 5
- United States 4
- China 4
- Netherlands 3
Backlinks by TLDs
- TLD Distribution
- Domains
- .com
- 61
- .in
- 39
- .site
- 13
- .edu
- 0
- .gov
- 0
Last update was 1 hour ago
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*HypeStat.com is not promoting or affiliated with 21cto.com in any way. Only publicly available statistics data are displayed.
Search Engine Indexes ▼
Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.- Google Index:
- 12,900
▼
SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.- Domain:
- 21cto.com
- Rank:
(Rank based on keywords, cost and organic traffic) - 1,879,255
- Organic Keywords:
(Number of keywords in top 20 Google SERP) - 312
- Organic Traffic:
(Number of visitors coming from top 20 search results) - 383
- Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords) - $0.00
Revenue report ▼
Google.com would generate approximately $1.5 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $45.9 and annual gross revenue of approximately $558.5. Based on these figures, the site's net worth is estimated at around $1.4K.How much would 21cto.com make?
- Daily Revenue:
- $1.53
- Monthly Revenue:
- $45.90
- Yearly Revenue:
- $558.45
Daily earning by country
- CountryPageviewsEarning
- United States 159$0.77
- Singapore 69$0.13
- Hong Kong 62$0.07
- China 507$0.05
- Taiwan 80$0.02
Loss of money due to Adblock?
- Daily Revenue Loss:
- $0.19
- Monthly Revenue Loss:
- $5.77
- Yearly Revenue Loss:
- $70.26
- Daily Pageviews Blocked:
- 134
- Monthly Pageviews Blocked:
- 4,010
- Yearly Pageviews Blocked:
- 48,785
Daily revenue loss by country
- CountryBlockedLost Money
- United States 29$0.14
- Singapore 20$0.04
- Hong Kong 6$0.01
- China 66$0.01
- Taiwan 13$0.00
How much is 21cto.com worth?
- Website Value:
- $1.4K
Ad Experience Report ▼
Summary of the ad experience rating of a website for a specific platform.Mobile summary
- Root domain:
- 21cto.com
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Not reviewed
Desktop summary
- Root domain:
- 21cto.com
- Ad filtering:
(Chrome is not filtering ads on your site.) - Off
- Status:
(The status of the site that is reviewed for the Better Ads Standards.) - Not reviewed
Abusive Experience Report ▼
Summary of the abusive experience rating of a website.- Root domain:
- 21cto.com
- Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.) - Off
- Status:
(The status of the site reviewed for the abusive experiences.) - Not reviewed
Where is 21cto.com hosted? ▼
21cto.com may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.- Server IP:
- 82.156.105.75
- ASN:
- AS45090
- ISP:
- Shenzhen Tencent Computer Systems Company Limited
- Server Location:
- Beijing
22
China, CN
Other sites hosted on 82.156.105.75
There are no other sites hosted on this IPHow fast does 21cto.com load? ▼
The average loading time of 21cto.com is 1823 ms.- Average Load Time:
- 1823 ms
Does 21cto.com use compression? ▼
Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on 21cto.com are reduced by 84%.
21cto.com use gzip compression.
Original size: 189.81 KB
Compressed size: 28.89 KB
File reduced by: 160.92 KB (84%)
Compressed size: 28.89 KB
File reduced by: 160.92 KB (84%)
Google Safe Browsing ▼
Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.SSL Checker - SSL Certificate Verify ▼
An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. 21cto.com supports HTTPS. 21cto.com supports HTTPS
Verifying SSL Support. Please wait...
Common Name: 21cto.com
Organization:
Location:
Issuer: XinNet DV TLS CA
Valid from: Mar 6 11:33:07 2025 GMT
Valid until: Mar 6 11:33:06 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Organization:
Location:
Issuer: XinNet DV TLS CA
Valid from: Mar 6 11:33:07 2025 GMT
Valid until: Mar 6 11:33:06 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: XinNet DV TLS CA
Organization: Xin Net Technology Corp.
Location: CN
Issuer: Certum Trusted Root CA
Valid from: Dec 17 09:57:01 2024 GMT
Valid until: Dec 5 09:57:01 2034 GMT
Authority: CA:TRUE
Keysize: 4096 Bits
Organization: Xin Net Technology Corp.
Location: CN
Issuer: Certum Trusted Root CA
Valid from: Dec 17 09:57:01 2024 GMT
Valid until: Dec 5 09:57:01 2034 GMT
Authority: CA:TRUE
Keysize: 4096 Bits
Common Name: Certum Trusted Root CA
Organization: Asseco Data Systems S.A., OU = Certum Certification Authority
Location: PL
Issuer: Certum Trusted Network CA
Valid from: Sep 19 10:00:00 2023 GMT
Valid until: Sep 19 10:00:00 2028 GMT
Authority: CA:TRUE
Keysize: 4096 Bits
Organization: Asseco Data Systems S.A., OU = Certum Certification Authority
Location: PL
Issuer: Certum Trusted Network CA
Valid from: Sep 19 10:00:00 2023 GMT
Valid until: Sep 19 10:00:00 2028 GMT
Authority: CA:TRUE
Keysize: 4096 Bits
Verify HTTP/2 Support ▼
HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency. 21cto.com supports HTTP/2
Verifying HTTP/2.0 Support. Please wait...
Http Header ▼
HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server.server: nginx
date: Sat, 05 Apr 2025 17:23:35 GMT
content-type: text/html
content-length: 162
location: https://www.21cto.com/
x-frame-options: SAMEORIGIN
HTTP/2 200
server: nginx
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
cache-control: no-cache, private
date: Sat, 05 Apr 2025 17:23:36 GMT
set-cookie: XSRF-TOKEN=eyJpdiI6ImRWVHBHU3pDRjRnSW4xUkYwVWkzNHc9PSIsInZhbHVlIjoiK1NmQWZyTlRRajNpRHZvekFlanFIaGNoTVNpa1hkNktMNFRDajNOcUFTb1dDKzFWZllzQVBobFJuMmlVejVDU2RXTDN3MkM1Mi96dDV4RmF4Q3hWKzFmdVVFUCszdkZYSitvRDNxWll3VFFUem0xQ1FYWHlsVmxzWVF6OFJuRGkiLCJtYWMiOiI1ZTI4YTUwODAyZWUwMDc5ZDliNTBiMjhiZDgyYTk1NmE5NzMyMTM5YjU2MDU0YjljMThiMzE3OTJkZmQxNGFiIn0%3D; expires=Sat, 05-Apr-2025 19:23:36 GMT; Max-Age=7200; path=/; samesite=lax
set-cookie: ctoportal_session=eyJpdiI6ImFLanFFVEdaZXBueDhHM2Jnd2ZrSlE9PSIsInZhbHVlIjoiVTFGZmZzNUVUZGFzQVg4ei9ENUVSeTQ4SnJoa3hCYnNFcVpOWFVtOTI2SnAxZHpNcnVRTGpzQ0YwK056Mk96a3pBV2F4d2d1K01JZXJmaUFxZUVoQUg1YmNHcC9sNS9FdFJPWElQQTdsYm5RN2lISTlEbWZCL3RyZ1M0UzhIRGoiLCJtYWMiOiJmNjk1NTg3NmYxZDM4Y2U1M2Y1YWI2MmUwZjNlMTgwNjBkZDAxMTdmZjllOTJmNzQzYjZkMDk2NTU2YTVlYTBmIn0%3D; expires=Sat, 05-Apr-2025 19:23:36 GMT; Max-Age=7200; path=/; httponly; samesite=lax
x-frame-options: SAMEORIGIN
content-encoding: gzip
DNS Lookup ▼
DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.| Type | Ip | Target/Txt | TTL |
| A | 82.156.105.75 | 1699 | |
| NS | 172699 | ||
| NS | 172699 | ||
| HINFO | 3600 |
Whois Lookup ▼
Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on November 30, 2006 and will expire on November 30, 2029 if not renewed. This website is now assigned through the registrar Xin Net Technology Corporation. The WHOIS data for this website's domain was last updated on April 6, 2023.- Domain Created:
- 2006-11-30
- Domain Expires:
- 2029-11-30
- Domain Updated:
- 2023-04-06
- Domain Age:
- 18 years 4 months 5 days
- Domain Registrar:
- Xin Net Technology Corporation
- Domain Owner:
- REDACTED FOR PRIVACY
- WhoIs:
Domain Name: 21cto.com Registry Domain ID: 691952737_domain_com-vrsn Registrar WHOIS Server: whois.paycenter.com.cn Registrar URL: http://www.xinnet.com Updated Date: 2023-04-06T17:50:35Z Creation Date: 2006-11-30T16:00:00Z Registrar Registration Expiration Date: 2029-11-30T16:00:00Z Registrar: Xin Net Technology Corporation Registrar IANA ID: 120 Registrar Abuse Contact Email:Registrar Abuse Contact Phone: +86.4008182233 Reseller: Domain Status: clientTransferProhibited https://www.icann.org/epp#clientTransferProhibited Registry Registrant ID: REDACTED FOR PRIVACY Registrant Name: REDACTED FOR PRIVACY Registrant Organization: REDACTED FOR PRIVACY Registrant Street: REDACTED FOR PRIVACY Registrant City: REDACTED FOR PRIVACY Registrant State/Province: BJ Registrant Postal Code: REDACTED FOR PRIVACY Registrant Country: CN Registrant Phone: REDACTED FOR PRIVACY Registrant Phone Ext: REDACTED FOR PRIVACY Registrant Fax: REDACTED FOR PRIVACY Registrant Fax Ext: REDACTED FOR PRIVACY Registrant Email: link at http://whois.xinnet.com/sendemail/21cto.com Registry Admin ID: REDACTED FOR PRIVACY Admin Name: REDACTED FOR PRIVACY Admin Organization: REDACTED FOR PRIVACY Admin Street: REDACTED FOR PRIVACY Admin City: REDACTED FOR PRIVACY Admin State/Province: REDACTED FOR PRIVACY Admin PostalCode: REDACTED FOR PRIVACY Admin Country: REDACTED FOR PRIVACY Admin Phone: REDACTED FOR PRIVACY Admin Phone Ext: REDACTED FOR PRIVACY Admin Fax: REDACTED FOR PRIVACY Admin Fax Ext: REDACTED FOR PRIVACY Admin Email: link at http://whois.xinnet.com/sendemail/21cto.com Registry Tech ID: REDACTED FOR PRIVACY Tech Name: REDACTED FOR PRIVACY Tech Organization: REDACTED FOR PRIVACY Tech Street: REDACTED FOR PRIVACY Tech City: REDACTED FOR PRIVACY Tech State/Province: REDACTED FOR PRIVACY Tech PostalCode: REDACTED FOR PRIVACY Tech Country: REDACTED FOR PRIVACY Tech Phone: REDACTED FOR PRIVACY Tech Phone Ext: REDACTED FOR PRIVACY Tech Fax: REDACTED FOR PRIVACY Tech Fax Ext: REDACTED FOR PRIVACY Tech Email: link at http://whois.xinnet.com/sendemail/21cto.com Name Server: vip1.alidns.com Name Server: vip2.alidns.com DNSSEC: unsigned URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/ >>> Last update of WHOIS database: 2025-04-05T17:25:13Z