21tb.com was registered 1 decade 4 years ago. It has a alexa rank of #44,349 in the world. This domain uses the .com extension. It's Google PageRank is 5/10. It is estimated to be worth $ 236,880.00 with a daily income of $ 329.00. As no active threats were reported recently, 21tb.com is SAFE to browse.. This website rating was generated automatically using algorithms and as such only provides data on potential advertising revenue based on the amount and quality of the traffic of this website. In no way do our figures represent the sales figures of any company listed.

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Our traffic reports for 21tb.com are estimations based on Alexa data and their world rank. Daily income for 21tb.com is generated by analyzing daily page views and market information on current CPM, CPC and CPA rates for similar websites on popular networks like Google AdSense and UberCPM. We then take these two website stats and compute an estimated valuation for 21tb.com

21tb.com Traffic Report

Daily Unique Visitors: 27,381
Daily Pageviews: 164,286

21tb.com Estimated Valuation

Income Per Day: $ 329.00
UberCPM Income: $ 98.70
Estimated Valuation: $ 236,880.00
Our SEO reports for 21tb.com are performed by scanning Google, Yahoo! and Bing and counting how many pages have been indexed. Similarly, we scan these search engines to see how many backlinks are indexed for 21tb.com using the link:// query. This backlink method is not comprehensive and we recommend SEMRush to improve your SEO rankings on all major search engines.

21tb.com Search Engine Indexes

Google Indexed Pages: No Review
Yahoo Indexed Pages: No Review
Bing Indexed Pages: No Review

21tb.com Search Engine Backlinks

Google Backlinks: No Review
Bing Backlinks: No Review
Alexa BackLinks: No Review
We use a variety of third parties including Google and Web of Trust (WOT) to determine the safety information for 21tb.com. WOT is a browser plugin that allows users around the world to rate domains for their safe browser, child safety and malware exploits if any. Google uses a proprietary method to determine the safeness of 21tb.com. If you are concerned about the safety of a website, this safety report will be a good indicator of the website safety of 21tb.com

21tb.com Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: No Risk Issues
WOT Trustworthiness: Web of Trust - Trust Rating Unknown
WOT Privacy: Web of Trust Privacy Rating Unknown
WOT Child Safety: Web of Trust Child Safety Rating Unknown

21tb.com Website Ranks & Scores

Google Pagerank: Google PageRank Score
Alexa Rank: 44,349
PageSpeed Score: 52 ON 100
Domain Authority: ON 100 MozScape Score
DMOZ Listing: No
Our Web Server report for 21tb.com attempts to provide you with all the physical and geographical information on the server. We are able to extract the hosted ip address, the hosted country, location latitude, location longitude and even the city, state and zip/postal code of the server. This report can be very useful to determine page speed issues, trust worthiness and help block regions if your site is being accessed maliciously.

21tb.com Web Server Information

Hosted IP Address: More on this IP

Hosted Country:

China CN More from this country

Location Latitude:


Location Longitude:

Our social media report for 21tb.com includes the amount of social engagement of various social media platforms including Facebook, Twitter, Google+, LinkedIn and Delicious. Social engagement is considered to be a strong search engine signal that validates real people are engaging with a site, thus making it a more valuable result to show in the search engine results page. Social media continues to be an important source not only of backlinks and search engine signals for 21tb.com, but of traffic through viral and engaging content.

21tb.com Social Engagement

Facebook Shares: No Review
Facebook Likes: No Review
Facebook Comments: No Review
Twitter Count (Tweets): No Review
Linkedin Shares: No Review
Delicious Shares: No Review
Google+: No Review

21tb.com Page Resources Breakdown

Web Breakdown Preloader

21tb.com Homepage Links Analysis

时代光华, elearning, e learning, saas, pass, 在线学习平台, 在线学习系统, 在线培训平台, 在线培训系统, 企业大学, 网络学院

21tb.com Website Inpage Analysis

H1 Headings: No Review H2 Headings: No Review
H3 Headings: No Review H4 Headings: No Review
H5 Headings: No Review H6 Headings: No Review
Total IFRAMEs: No Review Total Images: 29
Google Adsense: No Review Google Analytics: No Review

21tb.com HTTP Header Analysis

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Server: nginx
Date: Fri, 01 Apr 2016 13:16:37 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Keep-Alive: timeout=75
Vary: Accept-Encoding
Expires: Tue, 1 Jan 1980 12:00:00 GMT
Last-Modified: Fri, 01 Apr 2016 13:16:37 GMT
Cache-Control: no-cache
Pragma: no-cache
Content-Encoding: gzip

Domain Information

Domain Registrar: XIN NET TECHNOLOGY CORPORATION More on this Registrar
Registration Date: 2002-08-16 1 decade 4 years 5 months ago
Last Modified: 2014-10-30 2 years 2 months 2 weeks ago
Expiration Date: 2020-08-16 3 years 6 months 2 weeks from now

DNS Record Analysis

Host Type TTL Extra
21tb.com A 3575 IP:
21tb.com NS 3599 Target: 21tb-ns1.cneln.net
21tb.com SOA 3599 MNAME: 21tb-ns1.cneln.net
RNAME: hezitong.21tb.com
Serial: 2015011880
Refresh: 43200
Retry: 1800
Expire: 1209600
21tb.com MX 3599 Priority: 10
Target: mx1.21tb.com
21tb.com MX 3599 Priority: 20
Target: mx2.21tb.com
21tb.com TXT 3599 TXT: v=spf1 ip4:
ip4: -all

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Alexa Traffic Rank

Alexa Graph

Alexa Search Engine Traffic

Alexa Graph

Full WHOIS Lookup

Domain Name:21tb.com
Registry Domain
Registrar WHOIS
Registrar Registration Expiration
Registrar IANA ID:120
Registrar Abuse Contact
Email:[email protected]
Registrar Abuse Contact
Domain Status:ok
Registry Registrant
Registrant Name:Tony
Registrant Organization:Shanghai TBC
Education Development Co.,Ltd
Registrant Street:NO93 TianYaoQiao
Registrant City:xuhuiqu
Registrant Postal
Registrant Country:CN
Registrant Phone Ext:
Registrant Fax Ext:
Email:[email protected]
Registry Admin ID:
Admin Organization:21tbc
Admin Street:NO93
TianYaoQiao Road
Admin City:shixiaqu
Admin PostalCode:200032
Admin Phone:+86.02164278076
Admin Phone
Admin Fax:+86.02164278755
Admin Fax Ext:
Email:[email protected]
Registry Tech ID:
Tech Organization:21tbc
Tech Street:NO93
TianYaoQiao Road
Tech City:shixiaqu
Tech PostalCode:200032
Tech Phone:+86.02164278076
Tech Phone Ext:
Tech Fax Ext:
Email:[email protected]
URL of the ICANN
WHOIS Data Problem Reporting System:
>>> Last update of WHOIS database: