SEO Tools
Essential calculators, diagnostic formulas, audit checklists, and core ranking utilities.
Professional SEO Report Generator
Build comprehensive, executive-ready SEO client audit reports without APIs. Features 12-section synthesis, priority action matrix, 30-day tactical roadmap, PDF/HTML exports, and local profile storage.
Website SEO Audit & Heuristic Analyzer
Audit complete HTML source code for Title, Meta Description, H1/H2/H3, Canonical, Robots Meta, Open Graph, Twitter Cards, Alt Tags, Viewport, Schema, and Link structure.
SEO Score Checker
Audit complete HTML code or page text for 15+ essential on-page SEO signals and calculate a weighted heuristic score (0-100).
Meta Tag Generator
Generate valid, copy-paste ready HTML meta tags, OpenGraph tags, Twitter Cards, robots directives, and canonical tags.
Meta Tag Analyzer
Paste raw HTML or <head> code to inspect, audit, and validate meta tags, character counts, canonical links, and social cards.
SEO Title Tag Generator
Generate high-CTR, length-optimized page title ideas formatted within Google desktop and mobile pixel limits.
Meta Description Generator
Create engaging, search-optimized meta descriptions tailored to your page intent and character limits (130-155 characters).
SERP Snippet Preview
Simulate exact Google Desktop and Mobile search engine result snippet rendering with pixel width meters and rich snippet toggles.
URL SEO Analyzer
Analyze URL structure, slug readability, folder depth, hyphenation, protocol security, and parameter cleanliness.
Heading Analyzer
Inspect full HTML or article text for heading hierarchy (H1-H6), skipped levels, heading counts, and semantic document outline.
H1 Tag Checker & Optimizer
Specialized auditor for H1 tags: verify presence, uniqueness, character length, keyword placement, and title-tag alignment.
H2 & H3 Subheading Analyzer
Audit subheading distribution, semantic nesting, question-based headings, and content scanability across H2 and H3 tags.
Keyword Density Checker
Calculate single-word, 2-word, 3-word, and 4-word keyword frequency and density percentages with over-optimization alerts.
Keyword Frequency Counter
Count total words, unique vocabulary tokens, Lexical Diversity (Type-Token Ratio), and sortable term occurrences.
Keyword Prominence Checker
Evaluate target keyword placement in high-prominence zones: Title, H1, first 100 words, subheadings, and conclusion.
Image Alt Text Checker & Auditor
Audit HTML img tags for missing alt text, empty alt attributes, character lengths, keyword stuffing, and generic image filenames.
Anchor Text Analyzer
Extract and classify hyperlink anchor texts into Exact Match, Partial Match, Branded, Naked URL, and Generic categories.
Internal Link Analyzer
Audit internal links within page HTML: link density per 100 words, destination uniqueness, nofollow leaks, and anchor quality.
External Outbound Link Analyzer
Audit outbound links for HTTPS security, target="_blank" safety (rel="noopener"), and proper sponsored/ugc attribute labeling.
Content Structure & Layout Analyzer
Analyze paragraph lengths, wall-of-text risks (>100 words), bullet list counts, table presence, and estimated reading time.
Readability Checker & Grade Calculator
Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, SMOG, Coleman-Liau, and Automated Readability Index.
SEO Content Brief Generator
Generate a comprehensive, structured SEO writing brief with target titles, meta description formulas, H2/H3 outlines, and keyword checklists.
Featured Snippet Optimizer
Optimize text for Google Featured Snippets across Paragraph (40-58 words), Numbered List, Bullet List, and Table formats.
FAQ & FAQPage Schema Generator
Generate relevant search FAQs for any topic with simultaneous Schema.org FAQPage JSON-LD and HTML accordion markup.
Table of Contents (TOC) Generator
Parse Markdown or HTML headings into an automatic, nested Table of Contents with URL anchor IDs and jump links.
Content Freshness & Decay Checker
Scan articles for outdated year references (e.g. 2019, 2021), stale temporal phrases ("recently in 2020"), and missing date signals.
Duplicate Text & Similarity Checker
Compare two texts or audit a single article for internal paragraph redundancy, Levenshtein distance, and Jaccard n-gram similarity.
Keyword Placement & Distribution Analyzer
Map target keyword occurrences across document zones (Title, Lead, H2s, Body, Conclusion) with a visual position timeline and density heatmap.
SEO ROI & Profitability Calculator
Calculate projected Return on Investment, customer lifetime value payback, and net revenue from organic SEO campaigns.
Organic Search CTR Curve Calculator
Estimate expected clicks and click-through rates across Google ranking positions 1 through 10 with desktop vs mobile curves.
Google Search Operator (Dork) SEO Audit Builder
Build advanced Google search queries (`site:`, `filetype:`, `inurl:`, `intitle:`, `cache:`) to find indexing bugs and leaks.
SEO Organic Traffic Value Calculator
Calculate the equivalent Google Ads PPC cost replacement value of your organic search traffic.
Keyword Cannibalization Matrix Helper
Identify URL pairs competing for identical target keywords to prevent organic rank cannibalization.
Organic Traffic Drop Diagnostic Checklist
Step-by-step diagnostic workflow to troubleshoot sudden organic ranking and Google traffic drops.
SERP Feature Opportunity Estimator
Determine schema and formatting requirements to capture Featured Snippets, PAA boxes, and AI Overviews.
Internal Link Equity Distribution Calculator
Model PageRank and internal link juice flow across homepage, categories, and deep product pages.
SEO Campaign Milestone & Velocity Planner
Plan quarterly organic traffic targets, content production quotas, and technical milestones.
Search Visibility Index (SVI) Formula
Calculate total blended organic search market share across a target keyword portfolio.
Anchor Text Ratio Calculator
Professional, free client-side tool to calculate, validate, format, and optimize anchor text ratio calculator for search engines.
Dofollow vs Nofollow Ratio Analyzer
Professional, free client-side tool to calculate, validate, format, and optimize dofollow vs nofollow ratio analyzer for search engines.
Indexation Coverage Rate Calculator
Professional, free client-side tool to calculate, validate, format, and optimize indexation coverage rate calculator for search engines.
SEO Client Health Scorecard
Professional, free client-side tool to calculate, validate, format, and optimize seo client health scorecard for search engines.
Competitor Keyword Gap Matrix
Professional, free client-side tool to calculate, validate, format, and optimize competitor keyword gap matrix for search engines.
Featured Snippet CTR Multiplier
Professional, free client-side tool to calculate, validate, format, and optimize featured snippet ctr multiplier for search engines.
Core Update Recovery Checklist
Professional, free client-side tool to calculate, validate, format, and optimize core update recovery checklist for search engines.
Zero-Click Search Impact Estimator
Professional, free client-side tool to calculate, validate, format, and optimize zero-click search impact estimator for search engines.
Crawl Latency Impact Formula
Professional, free client-side tool to calculate, validate, format, and optimize crawl latency impact formula for search engines.
Link Decay & Broken Link Priority Rater
Professional, free client-side tool to calculate, validate, format, and optimize link decay & broken link priority rater for search engines.
SEO Title CTR Lift Calculator
Professional, free client-side tool to calculate, validate, format, and optimize seo title ctr lift calculator for search engines.
Brand vs Non-Brand Traffic Splitter
Professional, free client-side tool to calculate, validate, format, and optimize brand vs non-brand traffic splitter for search engines.
Bounce Rate to Engagement Rate Converter
Professional, free client-side tool to calculate, validate, format, and optimize bounce rate to engagement rate converter for search engines.
Organic CAC vs LTV Forecaster
Professional, free client-side tool to calculate, validate, format, and optimize organic cac vs ltv forecaster for search engines.
Silo Structure Hierarchy Planner
Professional, free client-side tool to calculate, validate, format, and optimize silo structure hierarchy planner for search engines.
Seasonal Search Query Trend Normalizer
Professional, free client-side tool to calculate, validate, format, and optimize seasonal search query trend normalizer for search engines.
Direct Traffic Decay Estimator
Professional, free client-side tool to calculate, validate, format, and optimize direct traffic decay estimator for search engines.
Featured Snippet Paragraph Length Meter
Professional, free client-side tool to calculate, validate, format, and optimize featured snippet paragraph length meter for search engines.
Search Volume Seasonality Curve
Professional, free client-side tool to calculate, validate, format, and optimize search volume seasonality curve for search engines.
Organic Conversion Funnel Dropoff Calculator
Professional, free client-side tool to calculate, validate, format, and optimize organic conversion funnel dropoff calculator for search engines.
SERP Position Volatility Index
Professional, free client-side tool to calculate, validate, format, and optimize serp position volatility index for search engines.
Hub and Spoke Topic Architecture Planner
Professional, free client-side tool to calculate, validate, format, and optimize hub and spoke topic architecture planner for search engines.
Internal Link Anchor Text Diversity Checker
Professional, free client-side tool to calculate, validate, format, and optimize internal link anchor text diversity checker for search engines.
Historical Algorithm Impact Date Matcher
Professional, free client-side tool to calculate, validate, format, and optimize historical algorithm impact date matcher for search engines.
Organic Landing Page Health Matrix
Professional, free client-side tool to calculate, validate, format, and optimize organic landing page health matrix for search engines.
SEO Retainer Value Estimator
Professional, free client-side tool to calculate, validate, format, and optimize seo retainer value estimator for search engines.