Free website tools

Example output

3to review

• Speed & images 1 to review
• Search & AI access 2 to review
• Connection security Passed

Evidence for each finding A brief for every fix

Website health check

Check speed, images, search visibility, HTTPS and accessibility basics. See what needs attention and what to fix first.

Website checkOpen tool

Example output

84/100 · B

• ChatGPT Rules allow
• Claude Rules allow
• Perplexity Rule blocks

A prompt for every fix Share report

AI readiness checker

Check your page's AI crawler rules, server responses and readable content. Get a technical readiness score, recorded evidence and fixes for your developer or AI coding tool.

AI readiness scoreOpen tool

Example output

User-agent: GPTBotDisallow: /

AI search AllowedAI training Blocked

AI robots.txt tester

Test crawler access, change bot rules and download your robots.txt.

Robots.txt editorOpen tool

Example output

45 minutes offline, twice a month£43.75 / monthSales not recovered, with example inputs

Lost salesRecovered later

Downtime cost calculator

How much could an outage cost? Estimate lost sales and the cost of putting things right.

Scenario calculatorOpen tool

Example output

99.9% uptime over 30 days43m 12sTotal downtime allowance

99%7h 12m99.9%43m 12s

Uptime budget calculator

What does 99.9% uptime allow? Work out your downtime budget and see how much is left.

Budget calculatorOpen tool

Example output

Check intervalAverage first-check wait1 min30 sec5 min2 min 30 sec15 min7 min 30 sec

Monitoring interval planner

Compare check intervals and see how long an outage could go unnoticed.

Comparison plannerOpen tool

Example output

Current rate2%

With a 5% lift2.1%

What would that be worth to you?

Page speed ROI calculator

Could performance work pay for itself? Compare costs and potential returns using your own assumptions.

Scenario calculatorOpen tool