🧪 ThumbLab

—

—

Dashboard

Channel performance at a glance

Views over time

Traffic by thumbnail CTR

Top videos

Sorted by views

Thumbnail A/B Lab

Upload variants, hit GO, let it run.

🧪

No tests yet

Create a test, upload 2–4 thumbnails, and press GO.

Videos

Your library

New thumbnail A/B test

Video Test name

Thumbnail variants (2–4 images)

Rotate every Windows per variant

The engine cycles each variant, records views & CTR per window, then declares the highest-CTR thumbnail the winner. Runs while this tab is open — reopen anytime and it catches up on missed swaps.