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Description
Advanced validator that extracts, merges, and validates HTML/CSS (including external styles) via W3C standards. HTML & CSS W3C Validator Pro Ensure your code meets World Wide Web Consortium (W3C) standards with a single click. Developing clean, standards-compliant websites is essential for SEO, accessibility, and cross-browser compatibility. This extension streamlines the debugging process by sending your page's code directly to the official W3C Validators, eliminating the need for manual copy-pasting. Unlike basic tools, this extension is built for the modern web: it handles dynamic DOM states, external frameworks, and complex stylesheets effortlessly. 🚀 KEY FEATURES Advanced HTML5 Validation: Captures the current state of your DOM, including elements generated dynamically by JavaScript. Smart CSS Validation (Pro): Overcomes CORS restrictions to analyze stylesheets that standard validators often miss. Merge & Validate: Automatically fetches all internal and external styles (including CDNs like Bootstrap or Tailwind), merging them into a single block for a complete audit. Used CSS Analysis: Focus on efficiency by extracting and validating only the rules currently affecting elements on your page. Source Validation: Ideal for checking raw .css files or the direct page source in the browser. 👨💻 DEVELOPER-CENTRIC WORKFLOW Official Standards: Direct integration with validator.w3.org and jigsaw.w3.org. Visual Feedback: Provides immediate status indications and cursor updates while processing complex data. Privacy-Focused: Built on Manifest V3 with no tracking or ads; your code is only sent to W3C servers for analysis. Secure Execution: Utilizes safe fetching methods to protect user privacy while retrieving external assets. 🎯 IDEAL FOR Web Developers: Identify unclosed tags, invalid attributes, and CSS syntax errors during production. SEO Specialists: Ensure semantic markup is valid to improve search engine crawling. Accessibility Experts: Verify code structure to maintain compatibility with screen readers. QA Testers: Streamline technical audits for complex, framework-heavy applications. Start writing higher-quality code today. Install HTML & CSS W3C Validator Pro.