Technical SEO audits, on-page checkers, and business calculators — all free, all instant. No sign-up, no rate limits, no paywalls.
Meta Tags Checker
Inspect all meta, OG, and Twitter tags for any URL
Robots.txt Tester
Fetch and parse any site's robots.txt with rule summary
HTTP Header Checker
Inspect HTTP response headers and SEO-relevant flags
Redirect Checker
Trace the complete hop-by-hop redirect chain
Sitemap Finder
Discover XML sitemaps via common paths and robots.txt
Link Extractor
Extract all links, anchor text, dofollow/nofollow status
Keyword Density
Analyze 1, 2, and 3-word phrase frequency on any page
Page Counter
Count total indexed pages by parsing the XML sitemap
Sitemap Validator
Validate sitemap structure, URLs, and lastmod formats
Meta Length Checker
Check title and description lengths with color-coded zones
URL Slug Generator
Convert any text into a clean, SEO-friendly URL slug
Schema Generator
Generate JSON-LD structured data for any page type
SERP Preview
Preview exactly how your page appears in Google results
SEO Revenue Calculator
Estimate monthly revenue at each of the 10 SERP positions
ROAS Calculator
Calculate Return on Ad Spend ratio, percentage, and net return
Revenue Run Rate
Project annual revenue from any monthly or quarterly figure
CLV Calculator
Calculate Gross and Net Customer Lifetime Value with ratio
CAC Calculator
Calculate Customer Acquisition Cost from sales and marketing spend
SaaS SEO ROI
Model projected traffic, leads, customers, and ROI from SEO
Connect your Google Search Console to Wizible and surface quick wins, content decay, keyword gaps, and more — automatically.
No credit card required · Takes 60 seconds