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ValidateHTML
Free HTML, CSS, JSON & XML validator with 12 tools and instant quality scores from 0 to 100.
Some of the top features or benefits of ValidateHTML are: HTML Validator, CSS Validator, JSON Validator, XML Validator, Meta Tag Checker, Open Graph Checker, and Accessibility Checker. You can visit the info page to learn more.
A startup from
France.
As a EU-based project, ValidateHTML has strong commitments on privacy, data protection, and GDPR compliance.
ValidateHTML Alternatives & Competitors
ValidateHTML alternatives based on verified products, community votes, reviews and similar products.
Latest update:
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/w3c-markup-validation-service-alternativesValidates HTML markup of web pages, one at a time.
Key W3C Markup Validation Service features:
Standards Compliance Error Identification Improved Compatibility Free of Charge
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/json-list-alternativesJson List is a lightweight tool for viewing and managing JSON data. Open any local JSON file or load one from a URL, then explore it in a clean, user-friendly list format.
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Try for freerecto finds the pages nothing links to and links them using words you already publishedโno AI rewrite; you approve every change. $39 once, NO SUBSCRIPTION.
Key recto features:
Free Crawl GSC-traffic-weighted No hallucination BYOK
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/code-beautify-json-validator-alternativesCode Beautyโs JSON Validator or JSON Lint is easy to use tool to copy, paste and validate JSON data.
Key Code Beautify JSON Validator features:
User-Friendly Interface Immediate Feedback Free to Use Additional Formatting and Tools
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/html-validator-alternativesHTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla.
Key HTML Validator features:
Web Standards Compliance Error Detection Ease of Use Improved SEO
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/schema-validator-alternativesFree schema markup validator for JSON-LD and Schema.org structured data. Validate schema markup for Google Rich Results compliance. Online schema validator tool.
Key Schema Validator features:
User-Friendly Interface Support for Multiple Formats Real-Time Validation Error Highlighting
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/total-validator-alternativesTotal Validator can check your website to help ensure that it is accessible, uses valid HTML and CSS, has no broken links, and is free from spelling mistakes.
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/pagespeed-insights-alternativesPageSpeed is addon for ...
Key PageSpeed Insights features:
Comprehensive Analysis Actionable Recommendations Integration with Other Google Tools User Experience Metrics
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