# SEOKit24

> Free SEO tools, in-depth guides, and field-tested blog posts. Built by SEOs, for SEOs. All 5 tools run 100% in your browser — no signup, no tracking, no paywalls.

## Tools (free, client-side)
- [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.
- [Keyword Density Checker](https://seokit24.com/tools/keyword-density-checker): Find keyword stuffing, gaps, and over-optimization with TF-IDF weighted scoring.
- [Schema Markup Generator](https://seokit24.com/tools/schema-generator): Generate valid JSON-LD for Article, Product, FAQ, HowTo, LocalBusiness, and 12 more schema types.
- [Sitemap & Robots Validator](https://seokit24.com/tools/sitemap-validator): Validate XML sitemaps and robots.txt directives. Surfaces orphan URLs, oversized files, conflicting rules.

## Guides (10 in-depth, 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.

## Blog (field-tested, weekly)
- [Working notes from the SEO bench](https://seokit24.com/blog): 25 posts, 2x weekly. Topics: 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, and more.

## About & Contact
- [About SEOKit24](https://seokit24.com/about): Who we are, the principles we ship by, the stack, 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.
- [Changelog](https://seokit24.com/changelog): Running record of features, improvements, and fixes.
- [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
- [RSS feed](https://seokit24.com/rss.xml): Subscribe to all new blog posts.
- [Sitemap](https://seokit24.com/sitemap-index.xml): Full XML sitemap.