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Core Web Vitals en WordPress: el orden para arreglar LCP, INP y CLS
Un WordPress lento casi nunca es “WordPress”. Es un tema con constructor, cuatro plugins haciendo lo…
How I solved the "crashed worker" problem in Go (Lease Fencing)
Handling Stale Workers in Go: Why I Chose Lease Fencing Over Distributed Locks When building backg…
Plugins without the plugin jungle: a whole blog with comments in one sandboxed script
I built ForgeCMS because I was tired of WordPress plugins. Every site I ran needed a dozen of them, …
A 4 MB JPEG occupies 46 MB of RAM: decoded image memory in the browser
A photo taken on a modern phone is about 4 MB on disk. Open it in a browser and decode it, and that …
What Each OnePassApps Studio Accepts: File Types, Size Caps and Time Limits
I work on OnePassApps, so this is a note about our own product. Every limit below was read off the l…
A Property Website Has to Book the Viewing, Not Just List the Properties
A property website is usually judged by how many listings it shows. Buyers and tenants judge it by s…
CSS Units Explained: A Beginner’s Guide to px, %, em, rem, vh and vw
If you're learning CSS, you've probably encountered code like this: font-size: 16px; width: 50%; pa…
Hard vs Soft Bounce: when to retry an email and when to stop
Your app sent 3 emails. All 3 came back. Should you send them again? It depends on why they came ba…
Remove an Image Background for Free Without Uploading It: Hair, Fur and Glass Tests
Most pages that promise to remove background from image free want an upload first, then a sign-up, t…
How I ran a live multiplayer trivia game on PythonAnywhere's free tier (no WebSockets)
I built CoinQuiz Live, a free browser trivia game where everyone in the lobby gets the same 10 quest…
How to Compress a PDF Without Uploading It Anywhere
The email said my PDF was too large to send. The usual fix — a free online compressor — wanted me to…
Stop Chasing Five Nines: How SLOs and Error Budgets Actually Work
Stop Chasing Five Nines: How SLOs and Error Budgets Actually Work Service Level Objectives (SLOs) …