UI
Test.com: Web Development Tools
Analysis
Editor’s Choice:
Top 5 Analysis Links
HTML Validator (W3C)
Link Check (W3C)
WCAG 1.0 Check (SIDAR)
Website Analysis (Nibbler)
Website Trend
Accessibility
Accessibility and Quality Validator
Accessibility Evaluator (WAEX)
Accessibility Evaluator (WAVE 3.0)
Accessibility Test
Colorblind Web Page Filter
Color Deficit Emulation
CSS Accessibility Analysis
GIF Flicker Rate Test
Section 508 and WCAG 1.0 Check (Cynthia Says)
Section 508 and WCAG 1.0 Check (Site Valet)
Section 508, WCAG 2.0, and BITV 1.0 Check
WCAG 1.0 Check (SIDAR)
WCAG 1.0 Check (TAW)
General
Website Analysis (Nibbler)
Website Analysis (RankFlex)
Website Analysis (UITest.com)
Website Grader
Website Review
Legal
WHOIS Analysis (Name Intelligence)
WHOIS Analysis (webconfs.com)
Links
Link Analysis
Link Check (LinkTiger)
Link Check (Site Valet)
Link Check (W3C)
Performance
Global Availability Check
Load Time and Object Check
Load Time Check
Page Speed Check
Website Performance Analysis
Website Performance Monitor
Website Performance Test
SEO
Backlinks Check
“Bad Neighborhood” Check
Google PageRank Calculator
Google PageRank Predictor
Google PageRank Verifier
Google Position Determiner
Google Supplemental Index Calculator
Keyword Density Check
Meta Data Analysis and SE Emulator
SE Presence Check
SE Simulator
SE Suitability Check
SEO Analysis (SEO Workers)
SEO Analysis (ValidRank)
Website Analysis (SE)
Website Trend
Validation
CSS Validator (W3C)
CSS Validator (WDG)
DAML Validator
Google Sitemap Validator
hCard Validator
.htaccess Validator
HTML Validator (W3C)
HTML Validator (WDG)
HTML 5 Validator
HTML, CSS, and Conformance Validator (W3C)
Markup 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 (for Entertainment)
XHTML 1.0 Schema Validator
XML Schema Validator (W3C)
XML Validator
XML Well-Formedness Check and Validator
Miscellaneous
CSS Information
CSS UA Support Analysis
Demography Estimation
Design Responsiveness Test
HTML Compatibility Check for XHTML
HTML Outline Extractor
Image Analysis
Mobile Readiness Test
Open Graph Content Extractor
Open Graph Protocol and Semantics Extractor
Readability Test
Semantics Extractor (W3C)
Semantics Parser and Extractor
Site Technology Analysis
Spell Check (SEO Workers) (entire site)
Spell Check (W3C)
Traffic Analysis
Website Backward Compatibility Viewer
Website Purifier