Write SEO Titles & Meta Descriptions That Rank
Step-by-step guide to writing SEO titles and meta descriptions that boost rankings and clicks.
Independent digital workshop
Useful tools and honest notes from building things on the web.
404cache is Adam Johnston’s workbench for browser-based tools, documented projects, practical technical guides, and the useful bits learned along the way.
Recent notes
New build notes, practical guides, and experiments from the workbench.
Convert CSV, JSON and YAML Instantly with Our Data Converter
Convert between CSV, JSON and YAML without uploading a file. Learn features, options and real-world uses of the free, private Data Converter.
Master Web Scraping with Regex in JavaScript
Learn to extract and clean website data with regex and Node.js, complete with real-world scripts, legal tips, and testing advice.
Nvidia Chat RTX: Run Local AI on Your PC
Set up Nvidia Chat RTX to run private, offline AI on your RTX GPU. Explore installation, real examples, and tips for a faster, more secure assistant.
How to Spot AI Text with the Is This AI? Checker
Learn to evaluate whether writing was generated by an AI using our free text checker that explains its confidence with burstiness, repetition and entropy metrics.