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WebDNA is a website analysis tool that examines six core modules of a site. It extracts logos, favicons and brand colors, identifies frameworks, analytics and libraries, previews Open Graph data and social connections, analyzes font families, sizes and weights, checks SSL status and header security practices, and gives an overview of page weight and load metrics.
Technology lookup tool that reveals frameworks, platforms, and services used to build websites.
A site check tool that tests a website in more than 90 web-based tools. It gives a first impression of website quality and links to results from analysis tools. A bookmarklet can evaluate any page.
Project Wallace is a web-based CSS analyzer that examines stylesheets for complexity, specificity, performance and design tokens. Users paste a URL or raw CSS to receive a full analysis, a quality score, a design token audit and a custom property inspector, plus a cascade layer visualizer. Standalone tools include a CSS prettifier, minifier, diff viewer and specificity calculator.
SpeedVitals is a website speed testing tool that runs page speed tests from 30 or more locations and devices and measures Core Web Vitals. It also provides a TTFB test, batch analysis of up to 50 tests, performance monitoring with email and Slack alerts, and reports including waterfall charts and resource summaries. The site lists free tools such as an image compressor and an SEO analyzer.
WebAIM works to expand the potential of the web for people with disabilities by helping individuals and organizations create accessible content. Its offerings include accessibility training, technical assistance, procurement guidance, and evaluation and reporting, alongside surveys and the WebAIM Million analysis of home pages.
