Website Free Tools
Check the metadata, schema, previews, links, and accessibility basics that shape how your website appears to search engines, social platforms, and visitors. All free, no sign-up required.
Agent Usability Test
Test how well any website supports AI agents, including Markdown content negotiation, SEO, accessibility, performance, and security. Get a usability score and fix prompts.
Use tool →OpenGraph Checker
Check whether a page has the OpenGraph and Twitter card tags needed for clean social previews.
Use tool →Accessibility Foundations Checker
Review the basic accessibility signals every public page should have, including headings, alt text, labels, landmarks, and viewport metadata.
Use tool →Website Thumbnail OpenGraph Checker
Verify that your social thumbnail image is crawlable, secure, descriptive, and ready for rich link previews.
Use tool →Favicon and Apple Touch Icon Generator
Convert a PNG or JPEG into favicon.ico, Apple touch icons, and common web app icon sizes.
Use tool →PageSpeed Checker
Check speed signals like HTML response time, document size, compression, caching, render-blocking assets, images, and DOM size.
Use tool →Meta SERP Analysis
Preview and analyze how a page may appear in search results, including title, description, canonical URL, and indexability.
Use tool →Sitemap SEO Checker
Check sitemap discovery, robots.txt references, XML format, absolute URLs, and last modified dates.
Use tool →JSON-LD Component Schema Test
Find and validate JSON-LD schema components on a page, including parseability, @type coverage, and useful names.
Use tool →AI Writing SEO Checker
Paste blog content into a mock AI-writing signal checker designed for editorial SEO triage.
Use tool →Apple Homescreen Icon Checker
Check Apple touch icons, manifest support, theme color, and mobile metadata for save-to-home-screen previews.
Use tool →Broken Links Checker
Scan a page for empty links and sample internal URLs for broken HTTP responses.
Use tool →Pricing Page Schema Verifier
Verify pricing page structured data for Product, Service, SoftwareApplication, Offer, FAQ, and breadcrumb schema.
Use tool →Breadcrumb SEO Verifier
Check visible breadcrumbs and BreadcrumbList JSON-LD for ordered, named, linked page hierarchy.
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