Technical SEO Toolkit

39 free tools
for technical SEO.

From crawl analysis to Core Web Vitals — everything you need to audit and optimize any website. No account required.

PageSpeed Insights

Schema Generator

Structured Data

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On-Page9 tools

Analyze and generate optimized title tags and meta descriptions.

Bulk Meta Checker

Check title and meta tags across hundreds of URLs at once.

Open Graph Checker

Preview exactly how your pages appear when shared on social media.

Headings Checker

Analyze heading structure and hierarchy of any page.

Canonical Checker

Bulk-check canonical tags and detect self-referencing or missing canonicals.

Extract and display all meta tags from any URL.

Image Alt Checker

Find images with missing or empty alt attributes on any page.

Word Count & Reading Time

Count words, characters, sentences and estimate reading time for any URL.

Readability Score

Calculate Flesch Reading Ease and grade level for any page.

Crawlability14 tools

Test any URL against any robots.txt file instantly.

Robots.txt Generator

Build a robots.txt file with a visual rule editor.

Sitemap Checker

Fetch, parse and inspect any XML sitemap or sitemap index.

Broken Link Checker

Crawl a page and check the HTTP status of every link on it.

Bulk-check HTTP status codes for hundreds of URLs.

Redirect Checker

Trace the full redirect chain for multiple URLs simultaneously.

Check how your site responds from 60+ global locations.

Inspect all response headers from a real server node.

PageSpeed Insights

Run Google PageSpeed for mobile and desktop. View all Core Web Vitals.

Measure Time to First Byte from 6 global locations simultaneously.

Query A, AAAA, MX, TXT, NS, CNAME and SOA records.

Verify SSL certificate validity, expiry date and issuer for any domain.

Rendering Checker

Compare raw HTML vs. JavaScript-rendered output — see exactly what Google sees.

Sitemap Generator

Build a valid XML sitemap from a list of URLs.

Structured Data2 tools

Schema Generator

Build JSON-LD structured data markup for 20+ schema types visually.

JSON-LD Validator

Validate JSON-LD structured data syntax and required fields by schema type.

International2 tools

Hreflang Checker

Fetch any URL and inspect all hreflang tags found on the page.

Hreflang Generator

Generate hreflang link tags for multilingual and multi-regional sites.

URL Utilities9 tools

Remove Duplicates

Remove duplicate URLs from a list instantly.

Trim to Root URL

Strip paths and subfolders, keep only root domains or subdomains.

Remove Query Strings

Strip all query parameters from a list of URLs.

Filter a URL list by keyword or regex — include or exclude mode.

Add or remove trailing slashes from a list of URLs consistently.

URL to Lowercase

Convert URLs to lowercase with optional duplicate removal.

Extract URL Parts

Extract domains, paths, slugs, or query strings from a URL list.

Compare URL Lists

Find URLs unique to one list or common to both.

Build UTM tracking URLs for campaigns with a quick visual form.

GEO3 tools

Check which AI crawlers can access your site and detect llms.txt.

llms.txt Generator

Generate an llms.txt file — the new standard for AI-readable site content.

AI Brand Presence

Query multiple AI models to see what they know about your brand.