Web y SEO
Meta tags, Open Graph, robots.txt, sitemaps y utilidades SEO
Free SEO and webmaster utilities for meta tags, Open Graph, robots.txt, sitemaps, DNS, and page checks.
Meta & social tags
Titles, descriptions, Open Graph and Twitter cards.
Generador de Meta Etiquetas
Generate HTML meta tags for SEO, social and technical use
Analizador de Meta Etiquetas
Analyze meta tags of any webpage by URL or pasted HTML
Generador de Open Graph
Generate Open Graph tags with a live social preview card
Generador de Twitter Card
Generate Twitter Card meta tags with a live preview
Generador de URL Canónica
Generate canonical link tags and normalize URLs
Generador de Slug para URL
Convert any text into a clean URL-friendly slug
Crawl & index files
Robots.txt, XML sitemaps and heading structure checks.
Generador de Robots.txt
Build a robots.txt file with user-agent rules visually
Generador de Sitemap.xml
Generate a sitemap.xml from a list of URLs
Verificador de Encabezados HTML
Inspect h1-h6 heading structure and SEO hierarchy
Verificador de Favicon
Check which favicons a website declares and how they render
Site checks
Speed, SSL, DNS, redirects, links and accessibility.
Prueba de Velocidad de Sitio Web
Real browser-rendered GTmetrix-style report: grade, Core Web Vitals, page weight and fix recommendations
Verificador de Certificado SSL
Inspect the TLS certificate of any site - expiry, issuer, SANs and chain
Búsqueda DNS
Query A, AAAA, CNAME, MX, TXT, NS, SOA, PTR, SRV and CAA records for any domain
Búsqueda de Dirección IP
Geolocate any IPv4 or IPv6 address - country, city, ASN, ISP and reverse DNS
Verificador de Redirecciones
Trace every redirect hop of a URL with status codes
Verificador de Enlaces Rotos
Scan a page for broken links and see each status code
Verificador de Accesibilidad
Run quick accessibility checks on any page’s HTML
Verificador de Densidad de Palabras Clave
Free keyword density checker - analyze text or any URL for SEO
Network & server checks
Reach a host, trace a route, test an SMTP server or read a page as a crawler sees it.
Herramienta Ping
Measure latency, jitter and packet loss to any server - from our network, not yours
Búsqueda de IP Inversa
Find the hostname behind an IP address - the PTR record mail servers and firewalls check
Probador SMTP
Check that a mail server answers, negotiates TLS, and accepts your login - step by step
Email Junk-Folder Check
Score a draft against common junk-folder triggers before you send
Extractor de Páginas Web
Pull the title, metadata, headings, links, images and text out of any public page
Frequently asked questions
Yes. Use the meta and Open Graph generators in this category to build snippet-ready tags without an account.
Open Website Speed Test, enter a URL and review Core Web Vitals style metrics and recommendations.
No. Normal use does not require an account.