Free SEO Tools & Marketing Calculators
Check your website’s indexing directives or work through advertising economics. Useful tools, clear evidence and practical next steps.
01 / Website diagnostics
Check a URL Noindex checker.
Check the robots meta tags and HTTP headers returned by a public URL. See the evidence, redirects and Googlebot crawl rules.
02 / Practical tools
ROAS calculator
Understand the return attributed to your advertising spend.
Return on ad spend5.00×
Revenue less spendHK$4,000.00
Revenue less advertising spend is not profit. Product costs, fulfilment, agency fees and tax are excluded.
03 / Practical tools
PPC budget planner
Explore how budget, cost per click and conversion rate connect.
Estimated clicks1,500
Estimated conversions45.0
Cost per conversionHK$66.67
These are illustrations based on your inputs, not forecasts. Actual costs and conversion rates vary.