Measuring Web Performance — TTFB, Page Weight, Image Audit with curl, sips, and Python
You don't need Lighthouse to diagnose page speed — curl -w gives TTFB and total time, sips reads image bytes, and Python sums per-page weight in a CI script.
Web Development
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Getting Started with Python FastAPI — Concepts, Install & Running on PyCharm (feat. uvicorn)
Get started with Python FastAPI — why async and the GIL matter, pip install uvicorn, ASGI vs WSGI, run the server two ways in PyCharm, plus built-in Swagger UI.
Fixing Linux 'command not found' (ls·vi·vim) — Restoring the PATH
When overwriting PATH on Linux or macOS breaks commands like ls, vi, and vim with 'command not found' — check echo $PATH and restore base paths via export.
How to Switch to the D Drive in Windows CMD (When cd Doesn't Work)
Why Windows CMD's cd can't switch drives and you must type 'D:' to move from C: to D — Windows gives each drive its own root, unlike Linux's single root.
Installing Python on Windows + Setting the PATH — When 'python' Is Not Recognized
Install Python on Windows and add the install and Scripts (pip) paths to your PATH so 'python' and 'pip' work in cmd — plus user vs system variables explained.