Loading…
Learn how each free SEO tool works, why the underlying metric matters, and how to use the tool to improve your rankings — no login required for any tool.
Crawlability, indexation, and server-level SEO checks.
A Googlebot crawler simulator sends an HTTP request to a URL using the Googlebot user-agent string — the same identifier…
Read guide →A robots.txt checker fetches the robots.txt file from any domain, parses its user-agent rules, and evaluates whether a g…
Read guide →A redirect chain checker traces the full HTTP redirect path from a source URL to its final destination, recording every …
Read guide →An XML sitemap checker fetches and validates the sitemap file(s) for any domain, then analyzes the structure, URL count,…
Read guide →Meta tags, snippets, and social sharing previews.
A meta tag checker is a tool that reads the HTML of any webpage and extracts all the metadata that search engines and so…
Read guide →A SERP (Search Engine Results Page) snippet preview tool shows you exactly how your page will appear in Google search re…
Read guide →An Open Graph preview tool renders a visual mockup of how your link will appear when shared on social platforms — Twitte…
Read guide →A hreflang checker fetches a webpage and extracts all <link rel="alternate" hreflang="..."> tags, then validates them ag…
Read guide →Core Web Vitals and page speed metrics.
Keyword analysis, density, and combination tools.
Keyword density is the percentage of times a specific keyword or phrase appears in a piece of content relative to the to…
Read guide →A keyword combiner tool takes two or more lists of keyword modifiers and generates every possible permutation. For examp…
Read guide →An AI page inspector analyzes your webpage the way large language models and AI search engines see it — not how a human …
Read guide →Every guide explains what the tool checks, why it matters for SEO, and step-by-step instructions.
Meta Tag Checker
Guide + free tool
AI Page Inspector
Guide + free tool
XML Sitemap Checker
Guide + free tool
Googlebot Crawler Simulator
Guide + free tool
Redirect Chain Checker
Guide + free tool
Robots.txt Checker
Guide + free tool
Core Web Vitals Checker
Guide + free tool
Hreflang Checker
Guide + free tool
SERP Snippet Preview
Guide + free tool
Open Graph Preview
Guide + free tool
Keyword Density Checker
Guide + free tool
Keyword Combiner
Guide + free tool
Every tool on this page is genuinely free — no signup, no email required. We built them because SEO auditing should be accessible to everyone, from freelancers checking a single client page to developers debugging a technical issue.
Indexa automates the full SEO pipeline — keyword research, content generation, publishing, and continuous optimization — in one platform.