Validators - Checking the site for errors
List of validators
Checking your site for errors
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W3C MarkUp Validation Service
Online HTML and XHTML validator. - Validome
Online HTML, XHTML, and XML validator. - A Real Validator
HTML validator for Windows; Offline version of WDG HTML Validator . - Http://watson.addy.com/nph-watson5.cgi
Check for errors in the HTML code. - XML schema validator
Validate XHTML 1.0 XML schema documents, with the detection of errors not found by other validators. - SP
James Clark's multi-platform SGML parser which contains SGML nsgmls validator. - HTML TIDY
Dave Raggett's free cross-platform utilities for cleaning HTML. - BBEdit
Validation and HTML editor for Macintosh and also contains HTML validator. - Web Page Backward Compatibility Viewer
Allows site creators to see pages through tag filters, which allows you to identify vulnerabilities and errors and achieve cross-browser compatibility. - Web Page Purifier
Allows authors to see the page "cleaned" and adjusted for HTML 2.0, HTML 2.0 + Tables, HTML 3.2, or webtv 1.1 - Watchfire WebXACT
Checking the availability of HTML - W3C CSS Validation Service
Free, easy-to-use CSS validator. - W3C Link Checker
Verify that links are working. - LinkAlarm
Fee-based service that regularly checks a site's links and sends a report by e-mail. - NetMechanic
Connects, tests and verifies HTML links and sends an e-mail message. - HTML PowerTools
Windows offline program checking links and containing a quasi-validator. - Watchfire WebQA
Checking links and site control for Windows. - MOMspider
Perl-based link checking and analyzer for Unix. - CyberSpyder Link Test
A program for Windows checking hyperlinks. - LinkScan
Server-based verification of hyperlinks for UNIX and Windows NT. - Robots.txt Checker
Online robots.txt syntax check - Web Link Validator
The validator of hyperlinks for Windows. - Open Directory HTML Validators and Debuggers
List of different validators.
A variety of site checks for errors, tests and validators.
Availability check - Accessibility
- Accessibility Test
- Accessibility Test (functional)
- Colorblind Web Page Filter
- Color Blindness Check
- Color Deficit Emulation
- CSS Accessibility Analysis
- GIF Flicker Rate Test
- Quality and Accessibility Check
- Section 508 and WCAG 1.0 Check (Cynthia Says)
- Section 508 and WCAG 1.0 Check (HiSoftware)
- Section 508 and WCAG 1.0 Check (Site Valet)
- Section 508, WCAG 2.0, and BITV 1.0 Check
- WAVE 3.0 Accessibility Evaluator
- WCAG 1.0 Check ( SIDAR )
- WCAG 1.0 Check ( TAW )
- Web Accessibility Management Tool
Checking the entire site - General
- Web Site Analysis (Pinkjuice)
- Web Site Analysis ( UI Test.com)
- Http://nikolaich.ru/analys/analys.php
Validation in different browsers and HTML versions
- Http://delorie.com/web/wpbcv.html
- Http://delorie.com/web/purify.html
- Http://ipinfo.info/netrenderer/
- Http://browsershots.org/
Verification of rights - Legislation
Link Checking - Linking
Load Time Test
Position in search engines - SEO
- Link Popularity Check
- Meta Data Analysis and Search Engine Emulator
- Backlinks Check
- Google Emulator
- Google PageRank Calculator
- Google PageRank Foreboder
- Google PageRank Verifier
- Google Position Determiner
- Keyword Density Check
- Search Engine Inspector
- Search Engine Page Strength Check
- Search Engine Presence Check
- Search Engine Simulator
- Search Engine View
- Web Site Trend
- Http://www.seop.ru/page_analyzer_2.html
Validity of the site - Validation
- CSS Validator ( W3C )
- CSS Validator ( WDG )
- DAML Validator
- HTML Validator
- Markup Validator (Validome)
- Markup Validator ( W3C )
- OWL Ontology Validator
- P3P Validator ( W3C )
- RDF Validator ( W3C )
- Robots.txt Syntax Check
- RSS Validator
- RSS and Atom Feed Validator ( W3C )
- SADiC Validator
- SQL Validator
- SVG Validator ( W3C )
- URL Validator
- Web 2.0 Validator (Entertainment)
- WML Validator
- XHTML 1.0 Schema Validator
- XML Schema Validator ( W3C )
- XML Validator
- XML Well-Formedness Check and Validator
Miscellaneous Checks - Miscellaneous
- Cacheability Engine Query
- Content Size Determiner
- CSS Information
- CSS UA Support Analysis
- Demography Estimation
- Image Analysis
- Readability Test
- Semantics Extractor ( W3C )
- Spell Check ( W3C )
- Visitor Estimation
- Web Site Backward Compatibility Viewer
- Web Site Purifier
- Web Site Performance Check
- Http://htmlhelp.com/
- Http://checker.atrc.utoronto.ca/
- Http://wave.webaim.org/.
- Http://sidar.org/hera/index.php.en
- Http://websiteoptimization.com/
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