BYSO Blog

Practical guides on YouTube thumbnails, titles, tags and SEO.

How to Add a Custom Thumbnail to YouTube Shorts (2026 Trick)

Shorts only let you pick a frame — so make the frame yours. Design a 9:16 cover, embed it, and select it from the YouTube mobile app.

2026-06-13

How to Make a YouTube Thumbnail That Gets Clicks (2026 Guide)

7 proven steps: one emotion, the 3-element rule, 3–5 words of text, contrast that survives the feed — and how to A/B test it.

2026-06-12

YouTube Thumbnail Size 2026: Exact Dimensions & Best Practices

1280×720, 16:9, the new 50 MB limit and the mobile 4:5 crop — plus 7 CTR design rules.

2026-06-10