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Free Technical Audit & AI Readiness Tools

Everything you need to audit your website for search, security, accessibility, and AI-generated answers. No signup required.

Technical AuditPopular

Instant SEO, performance, security, and AI Readiness analysis of any URL. Get an AI Readiness Score with prioritized recommendations.

AI Robots.txt Generator

Generate a robots.txt optimized for AI crawlers — ChatGPT, Claude, Perplexity, Gemini. Control which AI bots access your content.

JSON-LD Schema Generator

Create structured data markup for 9 schema types. Boost rich search results and AI citation readiness.

Content AI Readiness Optimizer

Paste your content and get an instant AI Readiness score. 10 checks for AI citation optimization with actionable fixes.

Meta Tag Analyzer

Preview how your page appears in Google search, social media, and AI citations. Check title, description, and Open Graph tags.

Site Comparison

Compare two websites side by side. See SEO, AI Readiness, performance, security, and accessibility scores for both at once.

Heading Analyzer

Check your page's H1-H6 heading hierarchy for SEO issues. Find missing H1s, skipped levels, and structure problems.

Broken Link Checker

Find dead links (404), redirects, and connection errors on any page. Keep your site healthy for SEO and user experience.

Keyword Density Checker

Analyze keyword frequency and density in your content. Find single words, 2-word and 3-word phrases with density percentages.

HTTP Headers Checker

Inspect all HTTP response headers. Check security headers (HSTS, CSP, X-Frame-Options), caching, and server info with a security grade.

Redirect Checker

Trace the full redirect path of any URL. Find redirect chains, loops, 302s, and HTTP-to-HTTPS issues that hurt SEO.

Page Speed Checker

Test your website's performance with Google PageSpeed Insights. Get Core Web Vitals scores (LCP, INP, CLS) and optimization opportunities.

SSL/TLS Checker

Check any website's SSL certificate validity, TLS version, cipher strength, and expiration. Get an instant security grade from A+ to F.

WHOIS Domain Lookup

Look up domain registration details — registrar, creation date, expiry, nameservers, DNSSEC status, and domain age for SEO analysis.

DNS Record Checker

Look up all DNS records for any domain — A, AAAA, CNAME, MX, TXT, NS, SOA, CAA. Check email authentication (SPF, DMARC).

Technology Checker

Detect what technologies any website uses — CMS, frameworks, analytics, CDN, hosting, payments. Understand competitors' tech stacks.

Uptime Checker

Check if any website is up or down right now. Test HTTPS, response time, DNS, redirects, robots.txt, and sitemap availability.

Accessibility Checker

Check any website for WCAG accessibility issues. 15 automated checks for headings, alt text, ARIA landmarks, form labels, and more.

Color Contrast Checker

Check if your text colors meet WCAG 2.1 contrast requirements. Test AA and AAA compliance for normal text, large text, and UI components.

Carbon Calculator

Calculate the carbon footprint of any web page. See CO2 per visit, annual emissions, page weight breakdown, and tips to reduce environmental impact.

Robots.txt Tester

Analyze any website's robots.txt file. See which crawlers are allowed or blocked, check AI bot access (GPTBot, ClaudeBot), and find SEO issues.

Password Strength Checker

Test how strong your password is. Get entropy analysis, crack time estimates, pattern detection, and tips to improve. 100% client-side — nothing sent to servers.

XML Sitemap Validator

Validate your sitemap.xml for errors. Check URL count, lastmod format, namespace, structure issues, and sitemap index support.

Structured Data Tester

Validate JSON-LD schema markup on any URL. Check for required fields, schema types, and AI citation readiness. Supports 12+ schema types.

Open Graph Debugger

Debug and preview your Open Graph meta tags. See how your URL looks when shared on Facebook, Twitter, LinkedIn, Discord, and Slack.

Favicon Checker

Check if your website has proper favicon files. Test favicon.ico, apple-touch-icon, PNG variants, and web manifest in one pass.

Word Counter

Count words, characters, sentences, and paragraphs. Get reading time, readability score, and SEO recommendations for your content.

JSON Formatter

Format, validate, and minify JSON data. Pretty-print with custom indentation. See key counts, nesting depth, and syntax errors.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings. Supports UTF-8, Unicode, and special characters.

URL Encoder / Decoder

Encode or decode URLs and query parameters. Handles special characters, Unicode, and percent-encoding.

Lorem Ipsum Generator

Generate placeholder text for designs and mockups. Choose paragraphs, sentences, or words.

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes from text. Instant, client-side, no data sent to servers.

Regex Tester

Test regular expressions with real-time match highlighting. Support for flags, capture groups, and common pattern presets.

Color Picker

Pick colors and convert between HEX, RGB, HSL, HWB. Generate shades, tints, and color harmonies. Check WCAG contrast ratios.

Markdown Preview

Write and preview Markdown in real time with a split-pane editor. Copy as HTML. Perfect for README files, blog posts, and documentation.

CSS Minifier & Beautifier

Minify CSS to reduce file size and improve page speed, or beautify compressed CSS for readability. Shows byte savings percentage.

JWT Decoder

Decode and inspect JSON Web Tokens instantly. View header, payload, claims, and expiration status. 100% client-side — tokens never leave your browser.

HTML Minifier & Beautifier

Minify HTML to reduce page size and improve load time. Remove comments, whitespace, and redundant attributes. Or beautify minified HTML.

Cron Expression Parser

Parse cron expressions into human-readable descriptions. See field breakdowns, use presets, and understand scheduling syntax.

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates. Live current time, relative time calculation, ISO 8601 formatting.

Text Diff Checker

Compare two blocks of text and see additions, removals, and unchanged lines highlighted. LCS-based diff algorithm.

QR Code Generator

Generate QR codes for URLs, text, WiFi, email, phone, and SMS. Customize colors, download as PNG or SVG.

UUID Generator

Generate UUID v4 (random) or UUID v7 (time-sorted) identifiers. Bulk generate up to 100 at once with multiple formats.

URL Slug Generator

Convert text to URL-friendly slugs. Custom separators, max length, bulk conversion. Perfect for blog URLs and SEO.

AI Readiness Badge

Embed your AI Readiness badge on your website. Show visitors your AI search readiness with a dynamic SVG badge.

Public REST API

Free API endpoint for developers. Integrate Technical Audit and AI Readiness checks into your apps, CI/CD pipelines, or AI assistants.

Need a comprehensive Technical Audit?

Our Technical Audit checks SEO, performance, security, accessibility, and AI Readiness in one report — free.

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