WebCheckr — Website QA Inspector

Inspect webpages for common SEO, accessibility, links, performance, usability, and website quality issues.

WebCheckr is a free and open-source Chrome extension for checking common website quality issues directly from your browser. It helps developers, designers, QA testers, agencies, freelancers, and website owners review webpages for SEO, accessibility, links, performance, usability, social metadata, and general best practices. KEY FEATURES • Overall website quality score • Passed, warning, and failed check counts • Clear severity levels for each issue • SEO checks • Accessibility checks • Link and navigation checks • Performance indicators • Social metadata checks • Best-practice checks • Page health summary • Category scores • Clear explanations and recommended fixes • View affected webpage elements • Highlight affected elements on the page • Copy CSS selectors • Copy a structured QA report • Issues-only and all-results views • Generic website inspection • Optional platform-specific presets WORKS WITH MANY TYPES OF WEBSITES WebCheckr can be used on: • WordPress websites • WooCommerce stores • Shopify stores • Laravel websites • Next.js and React applications • Angular and Vue applications • Static HTML and CSS websites • SaaS applications • E-commerce websites • Business and corporate websites • Blogs and news websites • Portfolio websites • Landing pages • Educational websites • Government and nonprofit websites Generic website checks run on every inspected page. Optional platform presets can add extra checks without replacing the generic inspection rules. HOW TO USE 1. Open the webpage you want to inspect. 2. Click the WebCheckr icon in the Chrome toolbar. 3. Click “Run QA”. 4. Review the score, warnings, failed checks, and recommendations. 5. Expand an issue to view affected elements. 6. Use the Highlight option to locate an element on the webpage. 7. Copy the QA report when you need to share the results. PRIVACY WebCheckr performs inspections locally in your browser after you choose to run a QA check. WebCheckr: • Does not require an account • Does not include analytics • Does not sell browsing information • Does not transmit webpage content to external servers • Does not use external AI services • Does not permanently monitor your browsing activity MINIMAL PERMISSIONS WebCheckr uses only the activeTab and scripting permissions. These permissions are used after you request an inspection, allowing WebCheckr to analyze and highlight elements on the active webpage. SAFE AND INFORMATIONAL WebCheckr is not a vulnerability scanner. It does not perform exploitation, brute-force testing, login testing, password testing, destructive security testing, or unauthorized form submissions. All results are informational and should be reviewed according to the website’s design, technology, and intended purpose. OPEN SOURCE WebCheckr is free and open source. Source code: https://github.com/mudasar8k/webcheckr Bug reports and feature requests: https://github.com/mudasar8k/webcheckr/issues Developed and published by TXERV.