Free SEO Tools

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Checker
Free
Keyword difficulty checker
Estimate how difficult a keyword may be based on competition and site strength. Prioritize terms you can realistically rank for.
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Free
Keyword gap checker
Compare your covered keywords against a target list to find missing opportunities. Uncover terms competitors rank for that you do not.
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Free
Keyword in page checker
Check whether a keyword appears in key SEO elements on a page URL. Compare title, headings, meta, and body keyword usage.
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Free
Keyword Rank Tracker
Track keyword SERP positions for your domain across multiple keywords with this free rank tracker. Monitor visibility trends over time and prioritize terms that move the needle.
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Free
Lazy load checker
Review image and iframe markup for common lazy-loading signals. See which assets defer loading and which may block initial paint.
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Free
Links checker
Summarize internal and external links on a page URL. See link counts, anchor patterns, and outbound targets at a glance.
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Free
Meta refresh checker
Detect meta refresh redirects and delays on a page URL. Catch slow or unexpected redirect behavior that wastes crawl time.
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Free
Meta tags checker
Analyze the meta tags information of a URL. Review titles, descriptions, robots, and social tags in one view.
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Free
Mixed content checker
Find insecure HTTP assets loaded on an HTTPS page. Identify resources that trigger mixed-content warnings.
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Free
Mobile viewport checker
Review the viewport meta tag for mobile-friendly rendering. Confirm pages scale correctly on phones and tablets.
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Free
NAP consistency checker
Compare one primary NAP against citation entries for consistency issues. Find mismatched name, address, or phone details across listings.
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Free
Noindex page finder
Scan sitemap URLs and list pages with noindex directives. Find pages that are in your sitemap but blocked from indexing.
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Free
OG image checker
Inspect the Open Graph image URL and related properties on a page URL. Confirm your link previews show the right image.
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Free
Open Graph checker
Inspect Open Graph and Twitter card tags on a page URL. Review how pages appear when shared on social platforms.
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Free
Page size checker
Measure the HTML response size of a page URL. Flag heavy pages that may need trimming for faster load times.
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Free
PageSpeed checker
Fetch Google PageSpeed Insights performance metrics for a page URL. Review Core Web Vitals and optimization opportunities instantly.
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Free
Pagination tags checker
Inspect prev, next, and canonical pagination signals on a page. Catch broken pagination chains that weaken crawl coverage.
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Free
Passive voice checker
Estimate passive voice usage and flag less direct sentences. Tighten writing for clearer, more active content.
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Free
Readability checker
Estimate content readability from sentence length and word count patterns. Adjust writing for the reading level of your audience.
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Free
Redirect chain bulk checker
Review a batch of redirects and highlight chains, hops, and cleanup opportunities. Shorten redirect paths that waste crawl budget.
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Free
Redirect checker
Analyze the complete redirect path of an URL. Verify status codes, chain length, and final destination for clean redirects.
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Free
Regex tester
Test a regular expression pattern against sample text and review matches. Validate regex for redirects, extraction, and filtering.
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Free
Render blocking resource checker
Detect head scripts and stylesheets that may block initial rendering. Reduce render-blocking resources to speed up first paint.
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Free
Reverse IP lookup
Get the hostname corresponding to an IP address. Map an address back to its reverse DNS name for diagnostics and server identification.
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Free
Robots meta checker
Inspect robots meta tags and X-Robots-Tag response headers on any page. Confirm indexing directives are intentional, consistent, and not accidentally blocking content.
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Free
Robots vs noindex conflict checker
Compare robots directives and noindex signals to highlight indexing conflicts. Catch contradictory instructions that confuse crawlers.
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Free
Robots.txt checker
Inspect the robots.txt rules and sitemap declarations of a domain. Verify important paths are crawlable and nothing critical is blocked.
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Free
Robots.txt live tester
Test whether a path would likely be allowed or blocked by robots rules. Validate rules before applying them to your site.
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Free
Schema validator lite
Validate basic JSON-LD structure and schema essentials. Check common markup for syntax and required fields.
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Free
Search snippet CTR tester
Review how a title and description may perform as a search snippet. Estimate click appeal before you publish metadata.
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Free
Search volume checker
Generate a directional search volume estimate for keyword planning. Compare relative demand across candidate keywords.
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Free
Security headers checker
Check response headers for common web security protections. Review CSP, HSTS, X-Frame-Options, and related headers.
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Free
Sitemap lastmod checker
Review lastmod values for URLs discovered in a sitemap. Spot stale or inconsistent update dates across entries.
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Free
Social Media Preview Tool
Preview how a URL will appear when shared on social media platforms. Check og tags, titles, and images before sharing.
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Free
SSL checker
Check the SSL status and information of a domain. Review certificate validity, issuer, and expiry for a site.
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Free
Status code checker
Check HTTP status codes for many URLs at once. Spot 404s, redirects, and server errors across a list of pages.
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Free
Structured data checker
Detect JSON-LD and Microdata structured data on a page URL. See which schema types a page exposes to crawlers.
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Free
Structured Data Validator
Validate structured data markup on a page and flag schema errors or warnings. Confirm your markup follows the intended format.
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Free
Text diff checker
Compare two text blocks and summarize line-level differences. See exactly what changed between drafts or versions.
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Free
Thin content checker
Estimate whether a page may have thin content based on text volume. Prioritize pages that likely need more substance.
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Free
Third-party script impact checker
Review third-party scripts and summarize likely performance impact. Find tag, widget, and embed scripts that slow pages down.
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Free
Title & meta description checker
Review page title and meta description length and presence. Confirm metadata is complete and within SERP limits.
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Free
Topic coverage checker
Review whether a topic draft covers the main angles users expect. Close content gaps before you publish.
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Free
Website status checker
Check the status and availability of a website. Verify a site is online and responding before sharing or monitoring it.
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Free
WHOIS lookup
Lookup ownership information for a domain. Review registrar, creation date, and expiration details for research or renewal planning.
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Free
XML sitemap checker
Validate and preview the primary XML sitemap of a domain. Confirm the sitemap is reachable, well-formed, and up to date.
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Generator
Free
Blog outline improver
Strengthen blog outlines with clearer structure, missing sections, and better flow. Plan posts that cover intent more completely.
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Free
Blog title generator
Generate blog title ideas around a topic or keyword. Draft click-worthy headline options for your next post.
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Category
Free SEO Analyzer Tools
Audit, content, link, keyword, and performance analyzers for deeper SEO decisions.
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Free SEO Checker Tools
Fast validation tools for metadata, URLs, headers, redirects, crawlability, and site health.
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Free SEO Generator Tools
Helpful builders and generators for metadata, schema, content, local SEO, and bulk workflows.
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Category
Free Converter Tools
Fast conversion tools for text, code, CSV, JSON, URLs, images, Markdown, and HTML workflows.
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Category
Free AI-Style SEO Tools
Smart no-API tools that explain findings, improve copy, and support SEO decisions with rules and heuristics.
Browse tools
Free Web Utilities

Comprehensive SEO, AI & Developer Tools Collection

Welcome to our complete suite of free web tools. Whether you are performing a technical SEO audit, minifying code for better performance, or analyzing server headers, our collection provides everything you need. Using reliable developer utilities and SEO checkers ensures your website is optimized for both search engines and end-users.

Every tool in this directory is designed to be fast, accurate, and completely free to use. From SERP checkers to DNS lookups and JSON validators, simply select a category above or use the search bar to find the exact utility required for your current workflow. Bookmark this page to keep your essential web tools just one click away.