Free SEO Analysis Tools
Use these free technical SEO and SERP analysis utilities to audit and generate the exact HTML head tags, structured data, and crawler directives search engines read. Most tools run directly in your browser with no signup required. AI tools send your submitted content through our server to an AI provider, as explained in their privacy answers.
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Meta Tag Generator
Free SEO meta tag generator: create HTML title tags, meta descriptions, robots directives, and Open Graph tags with live character counters and copy-and-paste head code.
Open tool →SERP Preview Tool
Free Google SERP simulator and snippet preview tool: test your title tag, display URL, and meta description in an approximate Google search result with live character counts.
Open tool →llms.txt Generator
Generate a spec-compliant /llms.txt markdown file for your website root so AI assistants like ChatGPT, Claude, and Perplexity can find and cite your canonical pages.
Open tool →Next.js Metadata Generator
Generate copy-and-paste TypeScript Metadata and generateMetadata() code for the Next.js App Router (app/page.tsx and app/layout.tsx) with Open Graph, Twitter cards, and canonicals.
Open tool →GSC Regex Generator
Build RE2-compliant custom regular expressions for Google Search Console (GSC) to filter question queries, long-tail keywords by word count, commercial intent, and URL directories.
Open tool →AI Meta Description Generator
Free AI meta description generator: paste your page content and target keyword to get three SEO-friendly meta description drafts. Check 120–160 character lengths, preview in a Google snippet, edit, and copy.
Open tool →Keyword Density Checker
Free keyword density checker and word frequency counter: paste your article or page copy to calculate target keyword percentages, view top tokens, and spot keyword stuffing.
Open tool →Title Tag Length Checker
Count title tag characters as you type. Use 50–60 character length guidance to edit clear page titles and front-load primary keywords.
Open tool →Meta Description Length Checker
Count meta description characters as you type. Edit a clear 120–160 character page summary with practical snippet guidance.
Open tool →Robots.txt Generator
Free robots.txt generator with AI crawler presets: block AI training bots (GPTBot, ClaudeBot, Google-Extended) while keeping ChatGPT Search, Claude, and Perplexity citations, plus Allow, Disallow, and Sitemap rules.
Open tool →XML Sitemap Generator
Free XML sitemap generator: paste canonical URLs with optional last-modified dates to build a valid sitemap.xml with lastmod tags. Invalid and duplicate URLs are filtered out.
Open tool →Open Graph Tag Generator
Free Open Graph tag generator: create og:title, og:description, og:url, og:image, and og:type HTML meta tags for LinkedIn, Facebook, Discord, Slack, and WhatsApp.
Open tool →Twitter / X Card Generator
Free Twitter / X Card generator: create summary_large_image and summary meta tags (twitter:card, twitter:title, twitter:description, twitter:image) for X timelines.
Open tool →Schema Markup Generator
Generate Article, BreadcrumbList, or FAQPage JSON-LD from your own content. Copy the script and follow worked schema markup examples.
Open tool →Canonical URL Generator
Free canonical URL tag generator: create HTML <link rel="canonical"> tags to consolidate duplicate URLs, UTM query parameters, and syndicated content.
Open tool →Hreflang Tag Generator
Free hreflang tag generator: create <link rel="alternate" hreflang="..."> HTML annotations and x-default fallback tags for multilingual and multi-regional SEO.
Open tool →
Recommended SEO Analysis Workflow
Draft and test your page title and snippet in the AI Meta Description Generator and Google SERP Simulator.
Export clean <head> HTML—including canonicals, Open Graph, Twitter Cards, and hreflang—using the Meta Tag Generator.
Add Article, BreadcrumbList, or FAQPage JSON-LD structured data and verify your robots.txt and XML sitemap rules before publishing.
SEO Analysis Guides & Tutorials
Step-by-step SEO guides and technical references for seo analysis workflows.
- OAI-SearchBot vs GPTBot: Allow ChatGPT Search & Block AI Training in robots.txtLearn the exact difference between OpenAI's OAI-SearchBot, GPTBot, and ChatGPT-User crawlers. Copy a tested robots.txt snippet that allows ChatGPT Search citations while blocking AI model training.
- Fix Breadcrumb Schema Missing Field 'item'Find which breadcrumb is missing its URL, fix the generating template, and test the deployed JSON-LD. Includes a before-and-after example.
- ChatGPT Visibility Checker: How to Check Brand Visibility in ChatGPTCheck your brand visibility in ChatGPT Search, Google AI Overviews, Gemini, and Perplexity using free AI visibility checkers, copy-paste prompts, and a robots.txt audit.
- Breadcrumb Schema: JSON-LD Example & Fixes (2026)Add BreadcrumbList JSON-LD with a copyable example, required fields, and fixes for missing names, URLs, and positions. Includes Google's mobile display change.