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Free tools

Free web tools
for better websites

Audit, test and fix any website in seconds. The same checks we run on every project, free and with no signup.

32 toolsNo signupInstant results
SEO audits

SEO & GSC Audit

48 Google Search Console rules. Sitemap, canonical, redirects, structured data.

48 checksGSC API
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SEO audits

Meta Tags Analyzer

Title, description, viewport, canonical, headings, and on-page SEO elements.

Title & descHeadings
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SEO audits

Structured Data Validator

JSON-LD schema markup against schema.org. Required fields and rich results.

schema.orgRich results
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SEO audits

Social Preview Checker

Open Graph and Twitter Card tags. Preview how pages look when shared.

OG tagsTwitter Cards
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SEO audits

Sitemap Validator

XML sitemap schema, URL count, lastmod, broken links, sub-sitemaps.

XML schemaURL test
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SEO audits

Robots.txt Validator

Syntax, directives, sitemap reference, and crawl configuration issues.

SyntaxDirectives
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SEO audits

Domain Authority & Backlinks

PageRank score, global rank, domain age for competitive research.

DA scoreGlobal rank
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SEO audits

Broken Links Checker

Dead links, 404 errors, unreachable URLs. Internal and external links.

InternalExternal
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SEO audits

Redirect Checker

Complete redirect chain. Loop detection, 302 vs 301, excessive hops.

Full chain301/302
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SEO audits

Keyword Density Checker

Word frequency, density percentage, keyword placement in title, H1, meta.

Density %Phrases
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SEO audits

SERP Simulator

Preview how your page appears in Google, desktop and mobile. Edit title and description in real-time.

Live previewDesktop & mobile
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Speed

Speed & Core Web Vitals

Real Lighthouse audit. LCP, CLS, TBT, FCP, Speed Index for mobile and desktop.

LCP / CLSLighthouse
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Speed

Page Size Analyzer

HTML size, TTFB, resource counts, lazy loading, compression status.

TTFBResources
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Speed

Image Optimizer Analyzer

Image sizes, WebP/AVIF usage, lazy loading, alt text, responsive images.

WebP/AVIFLazy load
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Speed

Carbon Footprint Calculator

CO2 per visit, page weight, green hosting, resource efficiency, sustainability rating.

CO2Green rating
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Security

Security Headers Check

HSTS, CSP, X-Frame-Options, Permissions-Policy, cookie security.

16+ headersCSP
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Security

HTTP Headers Analyzer

All response headers, security, caching, compression, server config.

CacheCompression
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Security

SSL Certificate Checker

Certificate validity, expiration, issuer, domain match, HTTPS redirect.

ExpiryHTTPS
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Security

Mixed Content Scanner

HTTP resources on HTTPS pages, scripts, stylesheets, images.

ScriptsHSTS
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Security

Cookie Scanner

All cookies, Secure/HttpOnly/SameSite flags, GDPR consent, third-party tracking.

GDPRFlags
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Domain & email

DNS Lookup

A, AAAA, MX, NS, SPF, DMARC, CAA records. Email authentication.

All recordsSPF
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Domain & email

Email Deliverability Test

SPF, DKIM, DMARC, MX records, BIMI, MTA-STS. Email provider detection.

SPF/DKIMDMARC
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Domain & email

WHOIS Lookup

Registrar, creation date, expiry, nameservers, DNSSEC, privacy status.

Domain ageExpiry
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Quality & AI

Accessibility Checker

WCAG compliance: alt text, headings, form labels, ARIA, navigation.

WCAGARIA
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Quality & AI

AI Readiness Checker

ChatGPT, Claude, Perplexity crawler access. llms.txt, structured data, AI optimization.

9 AI botsllms.txt
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Quality & AI

Favicon & PWA Checker

Favicon, apple-touch-icon, web manifest, service worker, PWA install readiness.

PWAManifest
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Quality & AI

Technology Detector

CMS, JavaScript frameworks, CSS frameworks, analytics, CDN, and more.

CMSFrameworks
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Generators

Meta Tags Generator

Generate complete meta tags, SEO, Open Graph, Twitter Card. Copy-paste HTML ready.

OG tagsTwitter Card
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Generators

Schema Markup Generator

JSON-LD for Organization, Article, Product, FAQ, LocalBusiness, and more. Validated output.

JSON-LD8 types
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Generators

Robots.txt Generator

Build robots.txt with allow/disallow rules, crawl-delay, and sitemap reference. Copy-paste ready.

Allow/DisallowSitemap
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Developer

JSON Formatter & Validator

Format, validate, and beautify JSON. Tree view, syntax highlighting, error pointer.

FormatValidate
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Developer

Regex Tester

Test regular expressions with live match highlighting, capture groups, and replace preview.

Live matchGroups
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