Tool library

Find the right check for the layer you are debugging

Search 62 checks across crawl access, DNS, SSL, uptime, stack clues, security, email setup, and page structure. Start broad, then open the exact tool behind each signal.

Tools

Explore tool hubs

Website Audit

Comprehensive website audit and SEO analysis checks.

DNS & Domain

DNS lookup, domain age, and propagation checks.

Security

Website security, SSL, and HTTP header checks.

Performance & Tech

Website performance testing and tech stack detection checks.

Email

Email deliverability and configuration checks.

Lookup & Info

Domain research, IP lookup, and WHOIS checks.

Utilities

Website utilities and technical generators.

Public AI Access

Public AI access, crawlability, and extractability checks.

Diagnostic workflows Public AI access Crawler policy review AI access workflow LLMs.txt checker SEO page audit DNS lookup Tech stack check

Start by need

Pick the problem. CheckWebs picks the path.

A large tool library only works when the first click is obvious. Choose the situation you are dealing with, add a domain if you have one, and start at the right diagnostic layer.

Optional domain

How results stay readable

Find the right tool without extra reading

The hub pairs concise use cases with visual pathways, so users can move from a broad problem to a specific diagnostic faster.

Website diagnostic map with crawl, DNS, security, and content access checks

One scan, clearer signal

Group technical checks by what they help you decide: crawl access, trust, reliability, and user experience.

Readable result cards with score, issues, confidence, and next actions

Results built for action

Show the score, confidence, and next useful page without forcing readers through dense raw output.

Diagnostic paths linking common website questions to checks

Clearer next steps

Connect broad website questions to the right checks for status, tech stack, ownership, age, and public content access.

All (62)Website Audit (10)DNS & Domain (8)Security (7)Performance & Tech (10)Email (2)Lookup & Info (5)Utilities (8)Public AI Access (12)

Public AI Access Check

Check whether public pages are crawlable and easy for AI tools to parse

Public AI Access~3s

Public AI Access Audit

Run a complete public AI access diagnostic in one report

Public AI Access~10s

llms.txt Checker

Check if your site has an llms.txt file for AI crawlers

Public AI Access~2s

Structured Data Validator

Validate JSON-LD and Schema.org markup for rich results

Public AI Access~2s

AI Crawler Audit

Check if AI crawlers (GPTBot, ClaudeBot) are blocked in robots.txt

Public AI Access~2s

AI Content Score

Score how quotable and extractable your content is for AI

Public AI Access~2s

Entity Analyzer

Analyze entity density and knowledge graph signals

Public AI Access~2s

Semantic HTML Checker

Deep audit of HTML5 semantic elements and landmarks

Public AI Access~2s

Answer Engine Checker

Check if your content is formatted for AI answer engines

Public AI Access~2s

Citation Readiness

Score citation readiness and source trust signals

Public AI Access~2s

Knowledge Panel Checker

Check readiness for Google Knowledge Panel and AI entity recognition

Public AI Access~2s

AI Meta Tag Validator

Validate all meta tags that matter for AI and social sharing

Public AI Access~2s

Exact questions

Tools built for practical technical questions

Each tool is mapped to a problem a website team actually needs to verify: DNS changes, SSL warnings, crawl blocks, page metadata, uptime, stack clues, or security headers.

Next click

Run the full website check Open diagnostic workflows Read the product notes

Diagnostic paths

Move from a broad issue to the right check

The tool library is organized around real tasks: crawler access, competitor research, outages, launch QA, DNS, SSL, and domain trust.

For crawler access, answer structure, and source clarity

Public AI access checks

Help teams check whether public content can be crawled, parsed, and understood without making citation promises.

Public AI access checkerCheck if public pages are crawlable and readable Public AI access audit workflowReview crawl access, page structure, and source signals Public AI access workflowsFind the exact access or source-clarity issue to fix

For teams comparing monitoring suites and first-pass checks

Tool comparison and AI monitoring research

Help users understand what CheckWebs can validate now and what paid monitoring tools still handle better.

Product notesUnderstand why the workflows are organized this way Brand Radar alternativeCompare paid monitoring with first-pass implementation checks Profound alternativeFind a first-pass public AI access workflow

For BuiltWith, Wappalyzer, CMS, hosting, and stack queries

Competitor and stack research

Help users research what a website uses, who operates it, and which public infrastructure signals are visible.

BuiltWith alternativeCompare stack research tools Tech stack checkerFind what a site is built with Who owns a websiteResearch domain ownership

For status, SSL, DNS, headers, and incident searches

Outage, trust, and security triage

Connect a broken-site question to the checks that explain whether the issue is DNS, TLS, redirects, or headers.

Website down checkerCheck whether a service is reachable SSL certificate checkerValidate browser trust Security headers checkerFind hardening gaps

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