---
type: Index
title: "SEO & Prerendering Tools"
description: "Free tools to verify prerendering, crawlability, structured data, and Core Web Vitals."
resource: "https://prerendering.info/seo-tools"
tags: [tools]
timestamp: 2026-05-02T00:00:00Z
---

# SEO & Prerendering Tools

Free, no-login tools for diagnosing prerendering and SEO.

## Tools

- [Prerender Checker](/tools/prerender-checker.md) — Verify your prerendering setup — fetches as Googlebot and confirms x-prerender-id header.
- [Crawler Checker](/tools/crawler-checker.md) — See how Googlebot, GPTBot, ClaudeBot, and other bots actually render your URL.
- [View as Bot](/tools/view-as-bot-vs-prerender.md) — Compare no-JS HTML vs prerendered HTML side by side. Catch hidden indexation gaps.
- [Quick SEO Audit](/tools/seo-audit.md) — 70+ technical checks: indexation, meta, structured data, security, performance.
- [Core Web Vitals](/tools/web-vitals.md) — LCP, CLS, INP measured for mobile + desktop using Google PageSpeed Insights.
- [JSON-LD Validator](/tools/json-ld-validator.md) — Verify schema.org markup blocks for rich-results eligibility and Google requirements.
- [XML Sitemap Extractor](/tools/extract-sitemap.md) — Parse any sitemap.xml (incl. sitemap-index) and group URLs by path. CSV export.
- [Page Weight Checker](/tools/page-weight.md) — HTML and every asset measured against Googlebot's hard 2 MB per-file limit and Bing's soft HTML thresholds.

- [Back to bundle overview](/index.md)