Herramientas Web Gratuitas
Revisa los metadatos, schema, previews, enlaces y accesibilidad básica que determinan cómo aparece tu sitio web en buscadores, redes sociales y visitantes. Todo gratis.
Agent Usability Test
Test how well any website supports AI agents, including Markdown content negotiation, SEO, accessibility, performance, and security. Get a usability score and fix prompts.
Usar herramienta →OpenGraph Checker
Check whether a page has the OpenGraph and Twitter card tags needed for clean social previews.
Usar herramienta →Accessibility Foundations Checker
Review the basic accessibility signals every public page should have, including headings, alt text, labels, landmarks, and viewport metadata.
Usar herramienta →Website Thumbnail OpenGraph Checker
Verify that your social thumbnail image is crawlable, secure, descriptive, and ready for rich link previews.
Usar herramienta →Favicon and Apple Touch Icon Generator
Convert a PNG or JPEG into favicon.ico, Apple touch icons, and common web app icon sizes.
Usar herramienta →PageSpeed Checker
Check speed signals like HTML response time, document size, compression, caching, render-blocking assets, images, and DOM size.
Usar herramienta →Meta SERP Analysis
Preview and analyze how a page may appear in search results, including title, description, canonical URL, and indexability.
Usar herramienta →Sitemap SEO Checker
Check sitemap discovery, robots.txt references, XML format, absolute URLs, and last modified dates.
Usar herramienta →JSON-LD Component Schema Test
Find and validate JSON-LD schema components on a page, including parseability, @type coverage, and useful names.
Usar herramienta →AI Writing SEO Checker
Paste blog content into a mock AI-writing signal checker designed for editorial SEO triage.
Usar herramienta →Apple Homescreen Icon Checker
Check Apple touch icons, manifest support, theme color, and mobile metadata for save-to-home-screen previews.
Usar herramienta →Broken Links Checker
Scan a page for empty links and sample internal URLs for broken HTTP responses.
Usar herramienta →Pricing Page Schema Verifier
Verify pricing page structured data for Product, Service, SoftwareApplication, Offer, FAQ, and breadcrumb schema.
Usar herramienta →Breadcrumb SEO Verifier
Check visible breadcrumbs and BreadcrumbList JSON-LD for ordered, named, linked page hierarchy.
Usar herramienta →AI Crawler Access Checker
See which AI crawlers your robots.txt allows or blocks, from GPTBot and ClaudeBot to PerplexityBot and Google-Extended, and catch rules that silently do nothing.
Usar herramienta →Security Headers Checker
Check your HTTP response headers against the OWASP Secure Headers Project, including CSP, HSTS, Referrer-Policy, and Permissions-Policy.
Usar herramienta →Heading Structure Analyzer
Build your page outline and find missing h1s, skipped heading levels, and empty headings that break screen reader navigation.
Usar herramienta →