Web Performance & Technical SEO Diagnostic Suite

Diagnostic Tool Catalog

Single-request forensic utilities analyzing server HTML, transport headers, and DOM markup directly in your browser, paired with our agency-grade client proposal engine.

Agency & Commercial Suite

6 tools

Monetization tools, client tear sheet proposal generators, and active-tab browser inspection engines built for agencies and consultants.

Agency Diagnostic
Flagship

VitalsSniper PRO

In-browser website forensics, visual LCP element highlighter, and client proposal generator.

Workflow Value:Active-tab client-side website inspection: isolates exact DOM nodes, render-blocking scripts, and server bottlenecks with instant white-label reporting.
Explore VitalsSniper PRO →
Conversion
Pro Suite

Website Opportunity Analyzer

Calculates performance bottlenecks and models conversion improvements from Core Web Vitals gains.

Workflow Value:Speed directly correlates with user conversion and retention. This engine models performance improvements against published e-commerce datasets.
Launch Pro Engine →
Agency Diagnostic
Pro Suite

Client Audit Generator

Automated 1-page agency tear sheets with custom agency branding, colors, and booking links.

Workflow Value:Prospects rarely read 50-page automated PDF dumps. High-converting tear sheets isolate 3 critical flaws and present a clear remediation scope.
Launch Pro Engine →
Agency Diagnostic
Pro Suite

Competitor Benchmark Suite

Side-by-side speed and SEO audit comparing a client site against direct competitors.

Workflow Value:Comparing performance against direct competitors creates an objective baseline for prioritizing technical optimization work.
Launch Pro Engine →
Monitoring
Pro Suite

Automated CWV Monitoring

Regression tracking alerting you when CMS updates or plugins cause Core Web Vitals to slip.

Workflow Value:Websites constantly drift as marketing plugins and content are added. Automated monitoring detects regressions before they impact search visibility.
Launch Pro Engine →
Agency Diagnostic
Ultra Suite

Portfolio Bulk Scanner

Batch audit up to 50 URLs per run across client portfolios with live progress, CSV export, and PDF reports.

Workflow Value:Audit entire client networks, e-commerce collections, or competitor portfolios simultaneously instead of running single-page probes one by one.
Launch Pro Engine →

Core Web Vitals & Loading Speed

6 tools

Forensic latency diagnostics isolating server TTFB, Largest Contentful Paint hero assets, total page weight budgets, and render-blocking scripts.

Performance
100% Free

Website Speed Test

In-browser performance audit measuring server TTFB and mobile Core Web Vitals.

Reference Benchmark: TTFB < 200ms, LCP < 2.5s
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Performance
100% Free

LCP Element Finder

Isolate the exact image or headline slowing down your Largest Contentful Paint.

Reference Benchmark: Mobile LCP <= 2.5s (75th percentile)
Launch Free Diagnostic →
Performance
100% Free

Page Weight Checker

Break down total transfer bytes across JavaScript, CSS, images, and fonts.

Reference Benchmark: Initial mobile transfer < 1.5MB
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Performance
100% Free

Image Size Analyzer

Inspect image compression, modern WebP/AVIF adoption, and aspect ratio layout shifts.

Reference Benchmark: Content imagery in WebP/AVIF under 150KB
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Performance
100% Free

ImgSpec Responsive Breakpoint & LCP Auditor

Audit mobile image byte waste, LCP fetchpriority hints, and auto-generate responsive picture markup.

Reference Benchmark: 0% Mobile Pixel Waste, LCP fetchpriority="high", WebP/AVIF
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Performance
100% Free

PayloadSniper INP & Script Bloat-Tracer

Parse server HTML for render-blocking scripts, third-party tags, and total script count. Estimates TBT and INP from those counts.

Reference Benchmark: Estimated TBT < 150ms, Estimated INP < 200ms, 0 Render-Blocking Scripts
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Technical SEO & Crawlability

5 tools

Deep crawl triage inspecting RFC 9309 robots collisions, redirect hops, server vs client DOM hydration parity, and internal link PageRank equity flow.

SEO
100% Free

SEO Meta Checker

Audit title tags, meta descriptions, canonical headers, and social open graph cards.

Reference Benchmark: Title 50-60 chars, Description 140-160 chars
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SEO
100% Free

Broken Link Checker

Detect 404 dead ends, broken internal anchors, and problematic external links.

Reference Benchmark: 0 broken internal links (100% 200/301 status)
Launch Free Diagnostic →
Technical SEO
100% Free

DOM Hydration & SSR Parity Engine

Parse server-rendered HTML for missing schema, noindex tags, and thin content that a non-JavaScript crawler would see.

Reference Benchmark: 100 Server HTML Score, 0 Missing Schema Blocks, 0 Client-Only Critical Links
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Technical SEO
100% Free

GSC Indexing Triage & Crawler Tracer

Triage Google Search Console indexing dropouts, RFC 9309 robots collisions, and redirect chains.

Reference Benchmark: Clean HTTP 200, 0 Robots Collisions, Self-Canonicalized
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SEO
100% Free

LinkBleed Internal Link Graph & Orphan Tracer

Audit internal link architecture, calculate PageRank equity leakage, and uncover orphan pages.

Reference Benchmark: PageRank Leakage < 5%, Crawl Depth <= 3 Clicks, 0 Orphan Pages
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AI Search, GEO & Knowledge Graph

5 tools

Generative Engine Optimization scoring, Schema.org @id entity graph integrity, deslop editorial gates, and semantic vector anchor text profiling.

SEO
100% Free

Schema Validator

Inspect Schema.org JSON-LD structured data and entity markup.

Reference Benchmark: Valid Schema.org JSON-LD with verified entity IDs
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AI Search & GEO
100% Free

GEO Citability & AI Crawler Auditor

Audit content citability for Google AI Overviews, ChatGPT Search, and Perplexity based on Princeton KDD 2024 research.

Reference Benchmark: Citability Score >= 80/100, Search Bots 100% Allowed
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Technical SEO
100% Free

SchemaGraph Entity & Knowledge Graph Tracer

Trace cross-page Schema.org JSON-LD entity integrity, broken @id references, and Knowledge Graph connectivity.

Reference Benchmark: Graph Integrity >= 85/100, 0 Broken @id References, 0 Cycles
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SEO
100% Free

ContextSilo Semantic Anchor Text & Vector Auditor

Audit semantic anchor text profiles, passage vector contiguity, and keyword cannibalization collisions.

Reference Benchmark: Generic Anchors < 3%, Vector Contiguity > 25%, 0 Cannibalization Collisions
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Content SEO
100% Free

ProseLint Editorial Compiler & Deslop Gate

Audit text for AI writing tropes, sentence cadence burstiness, GEO citability, and Gutenberg block formatting.

Reference Benchmark: 0 AI Tropes, 0 Em-Dashes, Burstiness >= 6.5, GEO Score >= 75
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Mobile UX & Server Security

2 tools

Mobile viewport horizontal scroll detection, fixed-pixel breakout checks at 375px, and SSL transport security header audits.

Security
100% Free

HTTP Header Checker

Verify security headers, cache-control policies, HSTS, and bot access headers.

Reference Benchmark: Modern security headers (HSTS, CSP, X-Content-Type-Options)
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Responsive & UX
100% Free

Mobile Overflow & Viewport Breakage Tracer

Isolate mobile horizontal scroll breakages, rogue 100vw containers, and unconstrained flex elements on mobile viewports.

Reference Benchmark: 0px Estimated Horizontal Overflow at a 375px Viewport Width
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