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External
Backlinks

1,783,204,583

Referring
Domains

914,204

Referring
IPs

369,513

Referring
Subnets

127,569

In the last 5 years

5,890,476,406

5,321,387

1,171,481

262,483

Homepage Title

The W3C Markup Validation Service

Educational Ref. Backlinks

12,779,981

Governmental Ref. Backlinks

22,081,260

Educational Ref. Domains

6,388

Governmental Ref. Domains

3,992

Indexed URLs

42,888,128

Position in Majestic Million

36

Backlink History


Chart shows the External Backlinks reviewed over the last 90 days.

Chart shows the Referring Domains reviewed over the last 90 days.

Backlink Breakdown

Anchor Text

The charts below easily show the backlink breakdown for the different types of backlinks that link to this Domain/Subdomain/URL.


Chart Data

See more results on the Anchor Text tab, where you can drill down into each keyword and find the Referring Domains and External Backlinks that use that Keyword.

The above chart may have cropped text due to size restrictions, for full details visit the Anchor Text tab. We explain how this is created in the FAQs.

Backlinks

See more results in the Backlinks tab, or get even more data by creating a report.

Compare Backlinks

# URLs URL Flow Metrics Link
Type
First Indexed
Last Seen
Date Lost
Trust
Flow
Citation
Flow
1
tetanus (lockjaw)
98 96 Deleted 13 Mar 2015
13 Mar 2015
17 Apr 2015
2
xhtml
88 94 17 Apr 2015
17 Apr 2015
-
3
Image Alt text icon valid xhtml 1.0 transitional
78 99 Image
Deleted
03 Apr 2015
03 Apr 2015
17 Apr 2015
4
Image Alt text icon valid xhtml 1.1!
90 80 Image
Deleted
27 Mar 2015
27 Mar 2015
17 Apr 2015
5
login
88 81 NoFollow
Deleted
25 Mar 2015
25 Mar 2015
17 Apr 2015

Pages

See more stats for validator.w3.org on the Pages tab, or get even more data from our Reports.

# Page External Backlinks Referring Domains Flow Metrics Date
Trust
Flow
Citation
Flow
1
Title: http://validator.w3.org/check?uri=referer
537,973,982 453,142 97 94 17 Apr 2015
2
Title: http://validator.w3.org/check/referer/
1,085,975,152 347,691 94 90 17 Apr 2015
3
Title: The W3C Markup Validation Service
12,303,509 60,502 86 74 17 Apr 2015
4
Title: http://validator.w3.org/checklink
315,563 6,791 71 58 17 Apr 2015
5
Title: http://validator.w3.org/check?uri=referer&ss=1
646,991 3,667 54 52 13 Apr 2015

Report created on 19 Apr 2015 using data from the Fresh Index built on 18 Apr 2015