100% Free • No Signup Required • Real-Time Engine

Developer & Technical SEO Tools Suite

Precision developer utilities to audit live HTTP redirect chains, inspect missing image alt tags, win Google Rich Snippets, simulate SERP cards, and format production payloads.

SEO & SERP Optimization Tools

Live URL scrapers and visual search simulators

High Organic Intent

Google SERP Preview & Meta Analyzer

Auto-fetch any live URL to extract meta tags, simulate desktop & mobile Google search snippets, and preview WhatsApp/Facebook share cards.

Launch Live Scraper →

Redirect Checker & HTTP Chain Tracer

Trace 301, 302, 307, and 308 redirect hops step-by-step. Detect crawl budget waste, redirect loops, and latency spikes across single or bulk URLs.

Trace Redirect Chain →

Image SEO Analyzer & Missing Alt Checker

Audit all page images for missing alt tags, missing width/height attributes causing layout shifts (CLS), and modern WebP/AVIF format adoption.

Audit Page Images →

Structured Data & Web Performance

Google Rich Snippets, revenue models, and Core Web Vitals

Google Approved

Product & E-Commerce Schema Generator

Generate valid Schema.org JSON-LD for Products with prices, availability, star ratings, and review snippets to win Google Shopping Rich Results.

Generate Schema LD →

Speed ROI & Lost Revenue Calculator

Calculate lost monthly revenue caused by slow checkout latency based on empirical Google and Deloitte e-commerce conversion benchmarks.

Calculate Lost Revenue →

Instant Speed & Web Vitals Audit

Dual mobile & desktop Lighthouse 13.x diagnostic engine testing INP, LCP, CLS, TTFB, and visual filmstrip progression with instant fix tips.

Run Speed Audit →

Developer & Content Utilities

Everyday utilities for engineering and editorial teams

Fast & Client-Side

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JSON Formatter & Minifier

Beautify, compact, validate syntax errors with line indicators, and inspect nested tree view structures.

Format JSON →

Word Counter & Density

Count words, characters, sentences, estimated reading time, and analyze top keyword density frequencies.

Count Words →

Case Converter Online

Instant string conversion between UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.

Convert Case →

Online Age Calculator

Compute exact age down to years, months, days, hours, and count down exact days until your next birthday.

Calculate Age →

Why We Built This Free SEO & Performance Engineering Suite

In the era of Google Core Web Vitals (INP, LCP, CLS) and AI-driven search generative algorithms, web performance is no longer an isolated technical metric: it directly dictates your organic ranking positions, Meta Ads return on ad spend (ROAS), and e-commerce checkout completion rates.

Unlike generic online multi-tools filled with invasive advertising and outdated algorithms, the gtmetrix.in Suite is engineered specifically for digital agencies, technical SEO consultants, and store owners who require precise, enterprise-grade diagnostics. Every tool is verified against current 2026 Google Search Central documentation and W3C web standards.

Senior Speed Engineer Online: Want guaranteed 90+ score on mobile? We optimize your site in 48h.

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