# SEOKit24

> Free SEO tools, in-depth guides, and field-tested blog posts. Built by SEOs, for SEOs. All 13 tools run in your browser — no signup, no paywall. Pasted input never leaves the browser; URL fetches go browser-to-target, and an explicitly opt-in first-party relay (URL only) handles CORS-blocked sites. GA4 page-view analytics only.

## Free downloads
- [Free SEO Report — instant PDF, no email](https://seokit24.com/free-seo-report/): Score any URL 0-100 across 45 checks and download the branded SEO report PDF in one click. No signup, no email gate, runs in your browser.
- [Free SEO Audit Tool](https://seokit24.com/free-seo-audit-tool/): Run a full 45-point SEO audit in your browser — same scoring engine as the SEO Analyzer, with a dedicated landing page, plain-English fix explanations, and a branded PDF download.

## Audience pages
- [For Freelancers](https://seokit24.com/for/freelancers/): Run free SEO audits on every client site in seconds. 45 checks with plain-English fixes, branded PDFs, and a score you can show in the first call.
- [For Agencies](https://seokit24.com/for/agencies/): Scale SEO audits across client sites. 45-point checks, branded PDF reports, and schema markup tools — no per-site fees, no crawl queues.
- [For Local Business](https://seokit24.com/for/local-business/): Rank higher in local Google searches. Audit your business website with 45 SEO checks, generate LocalBusiness schema, and preview how your listing appears in search.
- [For Ecommerce](https://seokit24.com/for/ecommerce/): Rank your product pages higher. Audit category and product URLs with 45 checks, generate Product schema, fix heading structure, and preview listings in Google Shopping.

## Tools (free, client-side)
- [SEO Analyzer](https://seokit24.com/tools/seo-analyzer/): Score any URL 0-100 across 45 checks: indexing, search appearance, content structure, mobile/performance, head & structured data, links & safety. Pixel-aware titles score every language fairly.
- [Meta Tag Analyzer](https://seokit24.com/tools/meta-tag-analyzer/): Audit any URL or raw HTML for missing, duplicate, or oversized title, description, canonical, OG, and Twitter tags.
- [SERP Preview](https://seokit24.com/tools/serp-preview/): Pixel-accurate preview of how your page renders in Google — desktop and mobile side-by-side.
- [Meta Tag Preview Tool](https://seokit24.com/meta-tag-preview-tool/): See exactly how your title and meta description will truncate in Google and Bing before you publish — desktop and mobile, pixel-accurate, with FAQ rich result preview.
- [Keyword Density Checker](https://seokit24.com/tools/keyword-density-checker/): Find keyword stuffing, gaps, and over-optimization with single/bi/tri-gram frequency and density scoring.
- [Schema Markup Generator](https://seokit24.com/tools/schema-generator/): Generate valid JSON-LD for 7 schema types: Article, FAQ, HowTo, Product, LocalBusiness, Organization, Recipe.
- [Sitemap & Robots Validator](https://seokit24.com/tools/sitemap-validator/): Validate XML sitemaps and robots.txt directives. Flags broken syntax, relative/duplicate URLs, invalid lastmod, oversized files, and simulates per-bot robots rules.
- [Featured Snippet Optimizer](https://seokit24.com/tools/featured-snippet-optimizer/): Paste an H2 question and answer block; get a 0-100 score and a checklist for paragraph, list, and table snippet formats — calibrated to Google's published budgets.
- [Heading Hierarchy Checker](https://seokit24.com/tools/heading-hierarchy-checker/): Audit any page's heading structure — spot skipped levels, duplicate H1s, empty headings, and duplicate heading text. Five focused checks, runs entirely in your browser.
- [Domain Age Checker](https://seokit24.com/tools/domain-age-checker/): Check any domain's age instantly — see the exact registration date, how old the domain is in years and months, and what that means for SEO. Free, no signup.
- [Robots.txt Generator](https://seokit24.com/tools/robots-txt-generator/): Build a standards-compliant robots.txt — add bot groups, set Allow/Disallow rules, point to your sitemap, and copy. Live syntax check and path tester included.
- [Domain Into IP Checker](https://seokit24.com/tools/domain-into-ip-checker/): Look up any domain's IPv4 and IPv6 addresses in seconds. See every A and AAAA record via Cloudflare DNS-over-HTTPS — no signup needed, runs in your browser.
- [Email Privacy Checker](https://seokit24.com/tools/email-privacy-checker/): Check if a sender's mail server IP is on 10 major spam blocklists (DNSBLs) in seconds. Protect your outreach deliverability before hitting spam traps.
- [Link Price Analyser](https://seokit24.com/tools/link-price-analyser/): Score every outbound link on any page out of 100. See which links pass the most authority based on nofollow, page position, anchor text quality, and domain age.

## Guides (deep, quarterly refreshed)
- [Keyword Research: The 2026 Playbook](https://seokit24.com/guides/keyword-research/): Intent layering, SERP archaeology, SERP-aware clustering. 14 min, 6 workflows.
- [On-Page SEO Checklist](https://seokit24.com/guides/on-page-seo/): Title, meta, headings, internal links, and image SEO. 10 min, 4 workflows.
- [Technical SEO Audit](https://seokit24.com/guides/technical-seo/): Crawlability, indexation, Core Web Vitals, and JS rendering. 16 min, 5 workflows.
- [Link Building That Lasts](https://seokit24.com/guides/link-building/): Digital PR, HARO alternatives, and parasite-SEO ethics. 13 min, 4 workflows.
- [Local SEO Playbook](https://seokit24.com/guides/local-seo/): GBP, NAP consistency, reviews, and local pack ranking. 11 min, 4 workflows.
- [Mobile SEO in 2026](https://seokit24.com/guides/mobile-seo/): Mobile-first indexing, INP, and mobile SERP features. 9 min, 3 workflows.
- [Core Web Vitals Guide](https://seokit24.com/guides/core-web-vitals/): LCP, INP, CLS — field vs lab data and fixes that ship. 12 min, 5 workflows.
- [E-E-A-T Signals](https://seokit24.com/guides/eeat/): Experience, Expertise, Authoritativeness, Trustworthiness — what to ship vs what to ignore. 11 min, 4 workflows.
- [Schema Markup Guide](https://seokit24.com/guides/schema-markup/): From JSON-LD basics to Product, FAQ, HowTo, and LocalBusiness rich results. 13 min, 5 workflows.
- [Content Strategy](https://seokit24.com/guides/content-strategy/): Topical authority, pillar-cluster, and content graph planning. 15 min, 5 workflows.
- [SERP Features and Rankings](https://seokit24.com/guides/serp-features-rankings/): SERP features affect rankings indirectly, not directly. CTR lift data, eligibility rules, and the tactics that compound over time. 9 min, 4 steps.
- [How to Audit a Site With Free SEO Tools](https://seokit24.com/guides/free-seo-tools-audit/): A full site audit built from 13 free browser-based tools — technical, on-page, schema, and competitor checks. 22 min, 8 steps.

## Blog (field-tested)
- [Working notes from the SEO bench](https://seokit24.com/blog/): Field-tested posts covering heading-hierarchy-seo, llms-txt-seo-guide, information-gain-seo-2026, ai-search-referrals-ga4-2026, programmatic-seo-2026, zero-click-serp-2026, index-now-vs-robots-txt, javascript-seo-2026, hreflang-101, inp-fix-guide, core-update-recovery, canonical-tag-mistakes, ai-content-detectors-2026, negative-seo-attacks, parasite-seo-explained, featured-snippet-optimization, and more.

## About & Contact
- [About SEOKit24](https://seokit24.com/about/): Who we are, the principles we ship by, and the roadmap.
- [Contact](https://seokit24.com/contact/): For support, partnerships, or consulting inquiries.
- [Privacy Policy](https://seokit24.com/privacy/): What we collect, what we deliberately don't, and your rights.
- [Terms of Service](https://seokit24.com/terms/): The terms under which SEOKit24 provides its tools, guides, and services.
- [Sustainability](https://seokit24.com/sustainability/): Static-first, low-compute architecture and green hosting notes.
- [Authors](https://seokit24.com/author/seokit24-editorial/): E-E-A-T profile pages for the SEOKit24 editorial team and contributors.

## Optional
- [Full content](https://seokit24.com/llms-full.txt): Complete text of every guide and blog post, generated at build time.
- [RSS feed](https://seokit24.com/rss.xml): Subscribe to all new blog posts.
- [Sitemap](https://seokit24.com/sitemap.xml): Full XML sitemap.