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Validator.w3.org - The W3C Markup Validation Service (5 of 5 points)

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Popularity:

(Rank # 16)

Language: english

W3C's easy-to-use markup validation service, based on SGML and XML parsers.

Keywords: Html Hypertext Markup Language Validation W3C Service

Category: Computer and Technology

Reviews and ratings of Validator.w3.org

A total of 2 reviews for Validator.w3.org have been written yet. The most recent reviews are listed below.

Average rating 5 of 5 points

5 star rating		2 reviews
4 star rating		0 reviews
3 star rating		0 reviews
2 star rating		0 reviews
1 star rating		0 reviews

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(5 of 5 points)

Rychlá půjčka wrote 5 years ago
Czech Republic, Prague, 1 review

Very good seo tool. This tool is necesery for valid page.

1 of 2 people found this review helpful

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(5 of 5 points)

rr wrote 6 years ago
3 reviews

A MUST! for every webmaster. Check for mistakes that can cost you hundreds of visitors to your webpage. Check HTML, CSS, XML feeds, broken links and more

2 of 5 people found this review helpful

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Content and keywords

Important and popular websites

The website with the homepage "Markup Validation Service" provides content on the pages Information Page, Find Broken Links and Other Validators And Tools. In the following table you'll find the 10 most important pages of Validator.w3.org:

#	Description	URL of the website
1.	Markup Validation Service	/
2.	information page	http://www.w3.org/QA/2005/01/Validator-IE_WinXP_SP2
3.	find broken links	/checklink
4.	other validators and tools	http://www.w3.org/QA/Tools/
5.	Validate by	/#validate-by-uri
6.	non-DTD-based validator	/nu
7.	Validate by	/#validate-by-upload
8.	About...	/about.html
9.	News	/whatsnew.html
10.	Docs	/docs/

Worth knowing about Validator.w3.org: XHTML Basic is an XML-based structured markup language primarily used for simple user agents, typically mobile devices. read more

Links to this website and profiles in social networks

In total 27790 links were found which refer to Validator.w3.org. The most used keywords in text links are Valid XHTML 1.0 Transitional, Valid HTML 4.01 Transitional and Our site is Valid XHTML. Individual words like XHTML, Valid, Transitional and HTML are frequently used in text links from other websites. The most important link sources for this website are Pgcon.org and Intratext.com. The homepage of Validator.w3.org and the subsite /check are most referenced by other websites.

Most important links to this website

The table shows the most important links to Validator.w3.org. The table is sorted in descending order by importance.

#	Domain	Link text
1.	www.pgcon.org	HTML
2.	www.intratext.com	Valid HTML 4.0!
3.	www.turismocastillayleon.com	W3C HTML 5
4.	www.parthia.com	Click button to validate this page as HTML 4.01 compliant
5.	www.emaculation.com	Valid XHTML 1.0
6.	www.every1graduates.org	XHTML
7.	namejuice.com	Valid XHTML 1.0 Transitional
8.	www.headstar.com	Valid XHTML 1.0 Transitional
9.	www.russianwomendiscussion.com	XHTML
10.	www.erniesplace.com	W3C

Most frequently referenced pages by external sources

The table shows websites of Validator.w3.org, which are often linked by other websites and therefore they are classified as important content.

#	URL of the website	Number of external references
1.	http://validator.w3.org/check	206
2.	http://validator.w3.org/ (Home)	7
3.	http://validator.w3.org/feed/check.cgi	2
4.	http://validator.w3.org/check?uri=https://www.lcnessie.nl/;accept=/;accept-language=en-us,en;q=0.5	1
5.	http://validator.w3.org/check?uri=https://bigpawsonly.com/index.php;accept=/;accept-language=en-us,en;q=0.5	1
6.	http://validator.w3.org/check?uri=https://perpendiculo.us/;accept=/;accept-language=en-us,en;q=0.5	1

Note: The analysis of the external links is based on the most recent data.

Technical information

The web server with the IP-address 104.18.23.19 used by Validator.w3.org is run by CLOUDFLARENET and is located in USA. This web server runs a few other websites, mostly in the english language.

The HTML pages were created with the latest standard HTML 5. The website does not specify details about the inclusion of its content in search engines. For this reason the content will be included by search engines.

Information about the server of the website

IP address:	104.18.23.19
Server provider:	CLOUDFLARENET
Number of websites:	3 - more websites using this IP address
Best-known websites:	Validator.w3.org (indescribably known), W3.org (indescribably known), Cotswold.gov.uk (known)
Language distribution:	100% of the websites are english

Technical information about the technology of the website

Webserver software:	cloudflare
Load time:	0.39 seconds (faster than 75 % of all websites)
HTML version:	HTML 5
Filesize:	26.01 KB (653 recognized words in text)

Safety and classification

The website doesn't contain questionable content. It can be used by kids and is safe for work.

Attribute	Classification
Google Safebrowsing	Safe
Safe for children	100%
Safe for work	100%
Webwiki rating	100% 2 reviews
Server location	USA
Very trustworthy 100%

Disclaimer: The classification is based on the automatic analysis of public information, ratings and customer reviews. All information is provided without warranty.

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