Tool directory
Every tool is free, rate-limited, and logged for abuse protection — not behind a paywall.
On-page and content substance
Unique Content / Boilerplate
Estimate main content vs template chrome for extractability.
Thin Content Checker
Flag thin-body risk with structure and intent-aware notes.
Heading Structure Visualizer
H1–H6 outline with hierarchy and accessibility checks.
Word Count & Keyword Density
Word counts, n-grams, reading time, optional keyword density.
Readability Calculator
Flesch, Flesch–Kincaid, Gunning Fog, and Coleman–Liau with guidance.
Meta SERP Pixel Preview
Title/description SERP preview with approximate pixel budgets.
Single-page Broken Links
Capped broken-link check for one page.
Image SEO Checker
Alt text, filenames, dimensions, and lazy-loading heuristics.
URL Slug Analyzer
Analyze slug readability, length, and hygiene.
Compare Two URLs
Side-by-side metadata and on-page signal compare.
Duplicate Title/Meta Bulk
Fetch up to 25 URLs and flag duplicate titles/descriptions.