SEO tools

AI Crawler Blocker

Generate a robots.txt that blocks GPTBot, ClaudeBot and 20 other AI bots, plus Nginx and Apache rules.

Runs in your browser

Blog Outline Generator

Turn a topic, audience and reader outcome into a blog outline and SEO content brief a writer can actually use.

Runs in your browser

Broken Link Checker

Pull every link off one public page, test a sample for dead ends and redirect hops, keep the anchor text in view, then copy a CSV fix list.

Canonical Tag Checker

Paste a public URL and see the whole canonical picture: the declared tag, its target status, any hidden noindex or second canonical, redirects, and the http/https/www/slash variants.

CDN Detector

Paste a URL and find out who serves it: Cloudflare, Fastly, Akamai, CloudFront, Vercel, Netlify and 20 more, with the exact header or DNS line that gave it away.

Compression Checker

Paste a URL and see what Gzip or Brotli is really doing on it: HEAD next to GET headers, Vary, cache and the redirect trail, all on one screen.

Core Web Vitals Checker (INP, LCP, CLS)

Pull the real-world INP, LCP and CLS for any URL from CrUX, with mobile and desktop side by side.

Runs in your browser

FAQ Generator

Build a focused FAQ from what a page actually says, with a question map, content gaps and a JSON-LD block you ship last.

Runs in your browser

Hreflang Checker

Point it at a live page to pull the HTML hreflang alternates, validate the locale codes, read x-default and the self-reference, and sample return links.

.htaccess Redirect Generator

Generate Apache .htaccess and Nginx redirect rules for HTTPS, canonical host, trailing slashes and old URL moves.

Runs in your browser

HTTP Headers Checker

Pull the live HTTP response headers for any URL and read them as a report: security coverage, cache, redirects and cookie flags.

HTTP/3 and QUIC Checker

Probe any HTTPS URL for real HTTP/3 and QUIC support: read alt-svc, name the server software, and learn how to enable it.

Indexability Checker

Paste a URL and see if Google can index it: HTTP status, meta robots, X-Robots-Tag, robots.txt and the canonical, with the blocker named.

Internal Link Checker

Pull every link off a public URL, split internal from external, flag nofollow and vague anchors, sample live status and redirect hops, then copy a CSV repair list.

llms.txt Generator for AI Agents

Build the curated Markdown index that ChatGPT, Claude, Perplexity and Gemini read in one fetch, with best-practice checks.

Runs in your browser

Meta Description Generator

Draft, score and preview meta descriptions before they ever reach WordPress.

Runs in your browser

Meta Tags Checker

Read the live title, description, robots, canonical, H1s and social tags on any public URL, then draft a snippet against a SERP-style preview.

OG Image Preview Studio

Design and download Open Graph share-card images (1200x630 PNG) in your browser, with six templates and live Facebook, LinkedIn, Twitter and Slack previews.

Runs in your browser

Open Graph Preview

Paste a public URL to preview its Open Graph and Twitter or X share cards, see which field feeds the card, measure the image, and get an action plan.

Page Size Checker

Fetch a URL, weigh its HTML, and inventory every script, stylesheet, image and embed it references, with your own origins split from third parties.

Redirect Checker

Trace a redirect chain hop by hop, compare HTTP, HTTPS, www and non-www, batch your migration URLs, then read the final canonical and robots signals.

Robots Meta Checker

Read the robots meta tags and X-Robots-Tag header on any URL, line up the crawler-specific directives, and keep index control separate from snippet control.

Robots.txt Generator

Generate a robots.txt draft, test your real paths, compare the live file, and review crawl warnings before you publish.

Robots.txt Tester

Fetch a live robots.txt, run several paths for any crawler token, and see which group got picked and which rule won.

Schema Markup Validator

Extract JSON-LD from a URL or pasted markup, walk the graph nodes and nested types, and read property coverage for common schema families.

Runs in your browser

Schema.org JSON-LD Wizard

Build valid Schema.org JSON-LD for Product, Article, FAQPage, HowTo, Recipe, JobPosting and more, then copy the script tag and run the Rich Results Test.

Runs in your browser

XML Sitemap Analyzer

Point it at a sitemap index or a plain URL sitemap, sample the child files, flag hygiene problems and run a live status check on submitted URLs.

Technical SEO Audit Tool

Paste a live URL and get a fix-first audit: status, indexability, canonical, meta robots, robots.txt, sitemap and social tags, all read server-side.

Twitter Card Preview

Audit the Twitter or X card fields, see where each one comes from against Open Graph and SEO fallbacks, preview both layouts and check the image.

WCAG Color Contrast Checker

Check any foreground and background pair for AA and AAA contrast, with a live preview and a passing-shade fixer, all in your browser.

Runs in your browser