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Speed & Core Web Vitals Lab
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Lead SEO & Product Specialist 4+ Years Full-Stack SEO (On-Page • Off-Page • Technical)

Rajendra Singh Rathore

Lead SEO Specialist & Product Growth Strategist • gtmetrix.in

Lead SEO Specialist and Organic Product Growth Lead with 4+ years of full-stack search experience spanning On-Page semantic strategy, high-authority Off-Page link architecture, Technical crawl diagnostics, Conversion Rate Optimization (CRO), and Google Core Web Vitals acceleration. Directs technical search research, organic growth roadmaps, and developer tooling at gtmetrix.in.

Full-Stack SEO & Organic Growth Competencies

01

On-Page SEO & Intent Architecture

Deep search intent mapping, semantic topic clustering, content differentiation, header hierarchy, and internal link equity distribution.

02

Off-Page Authority & Link Building

High-trust backlink engineering, digital PR outreach, brand entity citations, unlinked mention reclamation, and anchor profile balancing.

03

Technical SEO & Crawl Budget

Search crawler log forensics, robots.txt directives, XML sitemap protocols, canonical loop eradication, and server TTFB optimization.

04

Core Web Vitals & Page Speed

LCP sub-part diagnostic tuning, Interaction to Next Paint (INP) JavaScript task slicing, and zero cumulative layout shift (CLS = 0).

05

Organic Product Growth & CRO

End-to-end organic funnel strategy, conversion rate optimization, landing page behavioral psychology, and user retention roadmaps.

06

Algorithm Intelligence & GEO

Journalistic tracking of Google Core & Spam updates, SERP volatility diagnostics, AI Overviews, and Generative Engine Optimization.

Research Articles & Technical Briefs by Rajendra

Published analysis, algorithm triage reports, and web performance guides.

Open-Source Software & CLI Packages

Developer-grade utilities and open-source research tooling maintained on GitHub and npm.

⚡

gtmetrix-cwv-inspector

v1.0.0 • MIT

Ultra-fast CLI & Node.js telemetry inspector for Google Core Web Vitals (LCP, INP, CLS, TTFB) & CrUX field data.

$ npx gtmetrix-cwv https://yourstore.com

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