Technical SEO Tools
Check metadata, redirects, robots.txt and more.
21 tools availableRobots.txt Tester, Check Any URL Against Any Bot
Test whether a specific URL is allowed or blocked for any crawler, directly against your robots.txt rules.
AI Crawler Access Checker (GPTBot, ClaudeBot & More)
See at a glance whether GPTBot, ClaudeBot, PerplexityBot, and Google-Extended are allowed or blocked on your site.
XML Sitemap Generator From a URL List
Paste a list of URLs and get a valid XML sitemap file instantly, no crawling required.
XML Sitemap Validator, Catch Errors Before Submitting
Check an existing sitemap for structural errors and invalid URLs before submitting it to Search Console.
Google SERP Snippet Preview & Pixel Length Checker
See exactly how a title and meta description will look in Google results, with real pixel-width truncation warnings.
Open Graph Tags Generator With Live Preview
Generate Open Graph meta tags and preview exactly how the share card looks before publishing.
Twitter/X Card Preview & Validator
Preview and validate a Twitter/X card without needing a live URL or an X developer account.
JSON-LD Schema Generator for Articles & Products
Build valid JSON-LD structured data for common schema types through a simple form, no manual JSON writing.
Schema Markup Validator for JSON-LD
Check JSON-LD structured data for schema.org compliance errors before it ships to production.
Canonical Tag Checker, Spot Mismatched URLs
Check whether a page's canonical tag correctly matches its own URL or points elsewhere.
Hreflang Tag Generator & Validator
Generate correct hreflang tags for multi-language pages and validate them for common return-tag errors.
Redirect Chain Checker, See Every Hop
See every hop in a redirect chain and how many redirects a URL passes through before its final destination.
HTTP Header & Status Code Checker
Check status codes, response headers, and redirect chains in bulk, with support for spoofing Googlebot and other crawler user-agents.
Broken Link Checker for a Single Page
Scan a page's links and flag which ones return a broken or error status, with bulk concurrent checking and HEAD-request efficiency.
Robots Meta Tag Generator (noindex, nofollow)
Build a correct robots meta tag with the exact index, follow, and archive directives you need.
.htaccess Redirect Rule Generator
Generate correct .htaccess redirect rules without memorizing Apache rewrite syntax.
SEO-Friendly URL Slug Generator
Convert a page title into a clean, SEO-friendly URL slug, stripping stop words and special characters correctly.
Keyword Density Checker for Any Text
See exact keyword and phrase frequency in a block of content, without needing to paste a live URL.
Text-to-HTML Ratio Checker
Check the ratio of visible text to total HTML markup on a page, a signal some SEO audits still flag.
Image Alt Text Auditor for Any Page
Scan a page and list every image missing alt text, or with empty or unhelpful alt attributes.
Meta Tag Extractor, See Every Tag on Any Page
Pull every meta tag from a page's head section into one readable list.
Technical SEO Tools
Why technical SEO gets missed
Technical SEO problems are often invisible until they cost a site real rankings. A missing canonical tag, a broken redirect chain, or a robots.txt file that accidentally blocks search engines from crawling important pages can undo months of content work without any obvious symptom pointing to the cause.
What this collection will cover
Tools here will let you check the technical details search engines actually rely on, directly from your browser, so problems get caught before they affect search performance. This collection is launching alongside our SVG & Design Tools and Developer Utilities, with new SEO checks added as they are built.