Notes on shipping client sites without the Monday surprise.
Pre-launch QA, agency ops, and product updates from the team building Toolzilla.
The 9-point pass every agency should run before a Friday launch
Broken forms, leftover noindex, console errors — the checks that quietly decide whether Monday is quiet.
- Pre-launch
noindex on production: the silent launch killer
It hides in four places and only one is in your page source. How to check all four, and what recovery actually looks like.
Jul 8, 2026 7 min readRead - Guides
Why URL-paste auditors can’t scan password-protected staging
A 401 is honest. A login form served at 200 produces a complete, confident, entirely fictional report.
Jun 27, 2026 6 min readRead - FFmpeg
How to find the exact x:y:w:h for ffmpeg delogo without guessing
Preview pixels are not source pixels, the box cannot touch the frame edge, and odd numbers leave a coloured rim. The ninety-second measuring procedure.
Sep 4, 2026 8 min readRead - Engineering
We replaced ffmpeg.wasm with WebCodecs. Here’s what actually changed.
A 30 MB wasm payload that cannot touch the GPU, versus a hardware codec with no filters and no muxer. The honest trade, in both directions.
Aug 26, 2026 9 min readRead - FFmpeg
The keyframe trap: why ffmpeg -c copy cuts your video in the wrong place
Ask for 12.400 and get 12.012 — or a second and a half of black. Both are the same bug, and an edit list decides which one you see.
Aug 14, 2026 9 min readRead