86 Herramientas SEO Gratis — Audita y Corrige tu Web
86 herramientas SEO gratuitas para auditar, analizar, optimizar y rastrear cualquier sitio web. Sin registro, sin tarjeta — 1 auditoría gratis al día.
Última revisión: 30 de septiembre de 2026
Inicia una Auditoría GratuitaCómo ejecutar una auditoría SEO gratis en tu web
Una auditoría SEO gratis analiza una URL en busca de los problemas que bloquean el posicionamiento — meta tags, Core Web Vitals, schema, calidad del contenido, enlaces internos, textos alternativos de imágenes, etiquetas canonical, seguridad HTTPS y directivas robots — y devuelve una lista de arreglos priorizada. AuditMe ejecuta 159 comprobaciones en 16 categorías y entrega el informe en unos 60 segundos: sin registro, sin tarjeta, 1 auditoría gratis al día.
Las 86 herramientas SEO gratis de AuditMe completan la auditoría: calculadora de puntuación SEO (0–100 con 12 factores ponderados), analizador de meta tags, validador de schema, rastreador de posiciones, detector de contenido IA y análisis de competidores — todo gratis, sin registro.
Auditoría y Análisis Principal
Free SEO Audit Tool
16-dimension AI-powered SEO analysis
Keyword Cannibalization Detector: GSC Analysis
Detect keyword cannibalization from GSC
SEO Self-Audit: Comprehensive Site Health Scorecard
Comprehensive SEO audit with grade-based scoring
SEO Score Checker: Instant Website Score
Get your instant 0–100 SEO score
Website SEO Checker: Check Entire Site Health
Check entire website SEO health
Local SEO Audit: Local Ranking & Citations
Audit local SEO ranking factors
Ecommerce SEO Audit: Store Optimization Check
Audit e-commerce store SEO
SEO Health Checker: Instant Site Health Score
Get instant site health score and recommendations
Free SEO Audit: Complete Website Analysis
Complete free SEO audit with actionable fixes
All Free SEO Tools
Browse all 80+ free SEO tools
Free Website Health Score
Single health score — SEO, speed, security & a11y
Free Web Page Analyzer
Analyze one page — meta, images, links & speed
SEO Técnico
Index Health Checker: GSC Visibility Analysis
GSC-powered index health analysis
Link Dashboard: Internal Links From Your Homepage
Map internal links from your homepage (crawled set)
Visual Sitemap: Understand Your Site Structure
Visualize your website structure
Schema Validator: JSON-LD Structured Data Checker
Validate JSON-LD structured data for rich results
Meta Tag Analyzer: Title, Description & OG Tags
Analyze all meta tags on any page
Canonical Checker: Detect Duplicate Content
Detect canonical tag and duplicate content issues
Title Tag Checker: Optimize Titles for SEO
Check and optimize title tags for SEO
Robots.txt Checker: Validate Crawl Directives
Validate your robots.txt crawl directives
Mobile SEO Checker: Check Mobile Experience
Check mobile SEO experience and usability
Broken Link Checker: Find 404 & Dead Links
Find and fix broken links on your site
Core Web Vitals Checker: LCP, CLS, INP
Estimate Core Web Vitals risks from a live page fetch
Full-Site Crawl: Find Every SEO Issue
Crawl every page and find all SEO issues
JSON-LD Checker: Validate Structured Data
Validate JSON-LD structured data for rich results
Free Technical SEO Audit
Technical SEO audit — crawlability & indexing
Free HTML Validator — Check Your HTML for SEO Errors
Validate HTML for SEO — headings, alt text & tags
Free URL Inspector
Inspect any URL — headers, redirects & crawl data
Meta Description Length Checker
Check meta description character and pixel length
H1 Tag Validator: Check Heading Structure
Validate H1 tags and heading hierarchy
Open Graph Checker: Validate OG Tags
Validate Open Graph tags for social sharing
Twitter Card Validator: Check X Meta Tags
Validate Twitter Card meta tags for X sharing
Alt Text Checker: Find Missing Image Alt Attributes
Find images missing alt text on any page
Heading Structure Checker: H1–H6 Hierarchy Audit
Audit heading hierarchy from H1 to H6
Internal Link Checker: Find Orphan Pages
Find orphan pages and broken internal links
Page Speed Score: Check Loading Speed
Check page speed score and performance metrics
Mobile Friendly Test: Is Your Site Mobile-Ready?
Test if your site passes Google's mobile-friendly criteria
SSL Certificate Checker: Verify HTTPS
Verify SSL certificate status and HTTPS configuration
Robots.txt Tester: Test Crawl Rules
Test robots.txt crawl rules against specific URLs
Sitemap Checker: Validate XML Sitemap
Validate XML sitemap and find missing URLs
Redirect Checker: Trace Redirect Chains
Trace redirect chains and detect loops
Image Alt Text Checker: Audit All Images
Audit alt text quality for every image on a page
Favicon Checker: Verify Favicon Setup
Verify favicon setup across all browsers and devices
Hreflang Validator: Reciprocity & x-default
Validate hreflang reciprocity, x-default & BCP 47 codes
Structured Data Testing Tool: Debug Rich Results
Test and debug structured data for rich results
Meta Robots Checker: noindex & nofollow Audit
Audit noindex, nofollow, and X-Robots-Tag directives
SEO Browser: View Page as Googlebot
View your page as Googlebot sees it
Herramientas Automatizadas
AI Content Detector: Is This Text AI-Written?
Detect AI-generated content instantly
AI Content Engine: SEO Content Drafts
Generate SEO-optimized AI content drafts
GEO Visibility: AI & GEO Readiness Check
Check GEO visibility and AI readiness
llms.txt Generator: Create llms.txt for AI Search
Generate an llms.txt draft from a live page URL
Inteligencia Competitiva
Competitor Diff: Compare SEO vs Rivals
Compare your SEO against competitors
SEO Competitor Analysis: Audit Rival Sites
Analyze and outrank your competitors
Domain Presence & Backlink Source Checker
Domain presence check + DNS/SSL health
Competitor Watcher: Competitive Intelligence
Monitor competitors for SEO changes
Toxic Backlink Checker: Page-Level Risk Indicators
Page-level link risk audit + how to find toxic backlinks
Link Equity Calculator: PageRank Distribution
Calculate link equity and PageRank distribution
Page Authority Checker: On-Page Strength Estimate
On-page authority estimate for any URL (not Moz PA)
Domain Authority Checker: On-Page Estimate
Authority estimate from on-page signals (not Moz DA / Ahrefs DR)
Seguimiento y Monitoreo
SEO Score History: Track Score Over Time
Track your SEO score trends over time
SERP Feature Tracker: Snippets & Panels
Track SERP features and rich results
SEO Change Monitor: Track What Matters
Monitor SEO-critical changes on your site
Monthly SEO Report: AI-Generated Analysis
AI-generated monthly SEO performance reports
Rank Tracker: Check Google Keyword Positions
On-demand Google rank checks for up to 20 keywords
SEO Flight Recorder: Track Changes & Impact
Track changes and correlate with ranking impact
Google Position Tracker: Live Top-10 Check
Live Google top-10 check for one keyword (desktop, no history)
Audit Compare: Side-by-Side Comparison
Compare SEO audits side by side
Site Monitor: Track SEO Scores Over Time
Track SEO scores with trend charts and alerts
Free Search Visibility Checker
Estimate your search visibility in Google
Contenido
Content Editor: Write SEO-Optimized Content
Write SEO-optimized content that ranks
Topic Clusters: Build Content Hub Strategy
Build topical authority with content clusters
Content Gap Analyzer: Find Missing Content Opportunities
Find missing content opportunities with AI
Keyword Density Checker: Measure Keyword Usage
Measure keyword density across full page text and title tags
Word Count Tool for SEO: Analyze Content Length
Count words and compare content length vs competitors
Readability Checker: Flesch-Kincaid & Grade Level
Analyze content readability with multiple scoring formulas
Content Length Analyzer: Optimal Word Count for SEO
Find optimal content length vs top-ranking pages
Optimización
Auto-Optimizer: One-Click SEO Fixes
One-click AI-powered SEO fixes
Internal Link Intelligence: GSC-Powered Recommendations
GSC-powered internal link recommendations
WordPress SEO Audit: One-Click Fix
One-click WordPress SEO optimization
Free SEO Testing Tool
Test SEO changes before deploying them
Negocio y ROI
SEO ROI Calculator: What's Your SEO Worth?
Calculate your SEO investment return
SEO Widget: Embeddable SEO Badge
Embeddable SEO score badge for your site
SEO Audit API: REST API for SEO Analysis
REST API for programmatic SEO audits
SEO API & MCP Documentation
Complete API and MCP documentation
Investigación y Tendencias
Keyword Trends Explorer: Real Google Trends Data
Explore keyword trends with Google Trends data
SEO Opportunity Engine: GSC + Trends Intelligence
GSC + Trends-powered SEO opportunities
Entity & Topical Graph Builder: SEO Entity Analysis
Entity extraction and topical clustering
Cómo Usar Estas Herramientas SEO Gratuitas
Empezar toma menos de un minuto.
Ingresa la URL
Pega cualquier URL de página en el campo de entrada.
Haz clic en Analizar
Nuestros servidores rastrean tu página en tiempo real.
Revisa los Resultados
Obtén puntajes con códigos de color y problemas priorizados.
Corrige y Vuelve a Probar
Aplica las correcciones, vuelve a ejecutar y observa cómo mejora tu puntaje.
¿Por Qué Usar las Herramientas Gratuitas de AuditMe?
Preguntas frecuentes
¿Estas herramientas SEO son realmente gratis?
¿Cuántas veces puedo usar las herramientas gratuitas?
¿Necesito crear una cuenta?
¿Qué revisiones SEO realizan las herramientas?
¿Puedo usar estas herramientas para los sitios web de mis clientes?
¿Cómo funcionan las herramientas de análisis automatizado?
¿Cómo hago una auditoría SEO gratis en mi web?
¿Cuál es la mejor herramienta SEO checker gratis?
¿Cómo puedo comprobar la puntuación SEO de mi web?
¿Qué es una auditoría SEO técnica?
Guías destacadas
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