Technical portfolio

Pro tools and tutorials.

A master collection of web apps, Chrome extensions, calculators and code, shipped over 12 years of performance marketing. Tap any row to expand.

48
Resources
15
Web apps
24
Chrome exts
72
Scripts

For technical SEO

13 tools
Site Audit SEO Analyzer Pro Web App

Comprehensive site-wide technical audit suite for professional health checks.

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Page Audit Web Checker: SEO & Speed Chrome Ext.

One-click on-page SEO and Core Web Vitals speed audit for any open tab.

v2.2.0 · Updated Jul 4, 2026
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Crawl & Status URL Checker Web App

High-speed bulk URL status code checker built with Rust for professional technical audits.

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Crawl & Status Sitemap Tools Web App

Bulk sitemap extractor and analyzer for rapid site structure auditing.

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Crawl & Status Sitemap Checker – Freshness, Robots.txt & AI Bot Audit Chrome Ext.

Audit any site's sitemap health, content freshness, robots.txt conflicts, AI-crawler access and canonical tags in seconds, with CSV export and nested sitemap-index support. Runs fully in-browser.

v1.0.0 · Updated Aug 7, 2026
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On-Page Heading Visualizer 48 users Chrome Ext.

Instant visual hierarchy and semantic structure auditing for any webpage.

v1.2 · ★ 5 · Updated Jan 3, 2026
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Social Meta Social Preview Inspector — OG & Twitter Card Checker Chrome Ext.

See how any page's link card renders on WhatsApp, Facebook, X and LinkedIn, catch missing or duplicate OG and Twitter tags plus image size problems, and copy ready-made fix snippets. Bulk-audits a whole site from sitemap.xml.

v1.0.0 · Updated Aug 7, 2026
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Image SEO Image Inspector SEO Chrome Ext.

Scan any page and list every image with its alt text, dimensions, file weight and format, flagging CLS and LCP performance risks.

v1.1 · Updated Jul 18, 2026
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Page Speed WebP Converter Web App

High-performance bulk WebP conversion to improve Core Web Vitals.

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Site Security Web Security Headers Checker 2 users Chrome Ext.

Grade any site's HTTP security headers from A+ to F, flag HSTS, CSP and X-Frame-Options gaps, and copy ready-made fixes for Nginx, Apache or Cloudflare.

v1.2.0 · Updated Jul 12, 2026
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Tech Stack Domain & Stack Inspector Chrome Ext.

Side-panel lookup of any site's domain expiry, registrar, age and nameservers, plus hosting provider, server location and 46+ tech-stack signatures read from the DOM and response headers.

v1.0.0 · Updated Jul 29, 2026
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Off-Page SEO Backlink Checker 3 users Chrome Ext.

Quickly assess inbound link profiles, referring domains, and anchor text distribution on any page.

v1.0.0 · ★ 5 · Updated Jun 13, 2026
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Automation Python for SEO GitHub

30+ Python scripts for automated SEO auditing, crawling and scraping.

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For semantic SEO and schema

7 tools
Content Gaps Semantic SEO Auditor 1 user Chrome Ext.

Evaluate topical depth, entity salience, and content gaps against top-ranking semantic competitors.

v1.1.0 · Updated Jun 13, 2026
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Keyword Intent N-Gram SEO Analyzer 20 users Chrome Ext.

Perform phrase-frequency analysis directly in the browser for keyword intent mapping.

v1.0.0 · Updated Jan 1, 2026
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Entity Mapping Semantic Generator Streamlit

Automated entity relationship mapping for semantic SEO and content clusters.

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Internal Links Anchor & Entity Link Auditor Chrome Ext.

Split every internal and external link on a page into separate tabs and score each anchor's keyword relevance against the title, headings, frequency and position, then export to CSV. Fully offline, no API key.

v1.1.0 · Updated Aug 6, 2026
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Structured Data Schema Visualizer Web App

Visualize and validate complex JSON-LD schema markup.

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Structured Data Schema Visualizer 26 users Chrome Ext.

Visualize and validate complex JSON-LD schema markup directly in your browser.

v1.2.0 · ★ 5 · Updated Jan 8, 2026
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Structured Data Product Page Schema (Google Merchant Center) Listing Tools 12 users Chrome Ext.

Instantly validate and audit Product and Offer schema markup for ecommerce optimization.

v1.0.0 · Updated Jun 8, 2026
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For AI search and GEO

3 tools
GEO Readiness AI Agent Readiness Checker Chrome Ext.

Score any site 0-100 on how ready it is for ChatGPT, Claude and Perplexity agents, across 16 checks covering robots.txt, sitemap.xml, llms.txt and OAuth discovery.

v1.0.0 · Updated Jul 15, 2026
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Crawler Access AI Bot Access Checker Chrome Ext.

Check whether GPTBot, ClaudeBot, PerplexityBot and other AI crawlers can access your pages.

v1.0.0 · Updated Jul 3, 2026
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Content Pruning AI Content Summarizer WP Plugin

Intelligent WordPress assistant for large-scale content condensation and pruning.

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For Google Ads and PPC

4 tools
Ad Creative Google Ads Previewer Web App

Simulate and validate Google Search Ad creatives across all device types.

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Keyword Prep Keyword Wrapper Web App

Professional-grade match type formatter for high-scale search campaigns.

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Search Terms Search Term Analyzer Web App

Deep-dive analysis of search terms to uncover high-intent keywords and optimize ad spend.

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PPC Automation Google Ads Scripts GitHub

7 Google Ads scripts for automated bid management, reporting and account monitoring.

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For analytics and tracking

5 tools
Campaign Tagging Elite UTM Builder Web App

The definitive campaign link generator for professional GA4 tracking accuracy.

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Tag QA Website Tracking Scanner 50 users Chrome Ext.

Deep scan for pixel firing and tracking script health across competitive domains.

v1.1 · ★ 5 · Updated Jan 1, 2026
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DataLayer QA GTM GA4 DataLayer Auditor Chrome Ext.

Passively monitor GTM dataLayer pushes and generate AI prompts to check whether your event and variable tracking follows GA4 best practices.

v3.0 · Updated Jul 18, 2026
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Tag Manager GTM Script Collection GitHub

10+ custom Google Tag Manager scripts for advanced event tracking.

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Reporting Number Formatter Pro Web App

Rapid data-cleaning utility for large-scale ecommerce reporting standardization.

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For ecommerce and pricing

5 tools
Unit Economics Ecommerce Calculator Web App

Complete suite for calculating ecommerce margins, profits, and ROAS.

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Pricing Margin & Markup Web App

Calculate gross margins and markups for product pricing strategy.

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Unit Economics Breakeven Analysis Web App

Identify the exact point where your marketing spend becomes profitable.

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Market Research Price Intelligence SME Web App

Analyze competitor pricing strategies and discover market opportunities for SME ecommerce.

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Data Science SQL for Ecommerce GitHub

25+ SQL scripts for deep ecommerce data analysis and modeling.

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For conversion and lead gen

3 tools
Conversion Rate CRO Lens – Product Page Auditor 20 users Chrome Ext.

Analyze product pages through a conversion lens to identify UX friction and revenue bottlenecks.

v1.1 · Updated Jul 2, 2026
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CRO & UI Audit CRO & UI Sniper Chrome Ext.

Capture any page's layout, design tokens and image inventory into a ready-to-use CRO and UI analysis prompt, with wireframe output plus ranked colour, type, spacing and shadow scales. Runs fully in-browser.

v1.0.0 · Updated Jul 20, 2026
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Lead Capture WhatsApp Lead Gen Streamlit

Professional URL generator for direct lead-intake via standardized WhatsApp links.

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For workflow and productivity

6 tools
Reporting Screenshot & Blur 6 users Chrome Ext.

Capture webpage screenshots while automatically blurring sensitive data for professional reporting.

v3.1 · Updated Jun 10, 2026
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Documentation SEO Snap & Convert: Markdown & SEO Auditor 5 users Chrome Ext.

Seamlessly capture and convert on-page elements into clean Markdown for rapid SEO documentation.

v1.2 · Updated Jun 10, 2026
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Automation PyAutoGUI Script Recorder 5 users Chrome Ext.

Record browser interactions and instantly generate Python PyAutoGUI scripts for workflow automation.

v1.0 · Updated Jun 9, 2026
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Research PDF Scholar Helper 6 users Chrome Ext.

Optimized research companion for whitepaper analysis and academic indexing.

v1.0 · Updated Jan 3, 2026
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Archive Check Wayback Checker Chrome Ext.

Check whether the page you are on is archived on the Wayback Machine and archive.today, view the last five snapshots, or save a new one instantly from the side panel or right-click menu.

v1.0.0 · Updated Aug 6, 2026
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Brand AI Logosify Web App

Rapid AI logo and brand-mark generator for launching new SME identities.

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For learning and strategy

2 tools
Masterclass Google Ads Mastery Free

Professional guide to managing high-scale Google Ads campaigns.

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Strategy SEO Industry Strategy Medium

Complete industry analysis and SEO framework for business scaling.

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