Glossary
What is YouTube SEO?
YouTube SEO is optimising videos so they’re found in YouTube search and recommendations.
YouTube SEO explained
YouTube SEO covers titles, descriptions, chapters, captions and topic relevance — everything that helps YouTube understand what a video is about and who it’s for.
Search gets you shown; the thumbnail gets you clicked. Strong metadata and a strong thumbnail work together — neither is enough on its own.
Why it matters for thumbnails
Thumbnails are the first thing viewers see, so they influence how youtube seo plays out on your channel. Read our thumbnail best practices to put this into practice, or browse the rest of the glossary.
Make your next thumbnail in minutes
Tell the AI agent what your video is about — it proposes a thumbnail, you approve it, and you can tweak it by asking.
Keep exploring
YouTube algorithm
The YouTube algorithm is the system that decides which videos to recommend to each viewer.
Learn more →Click-through rate (CTR)
Impressions click-through rate is the share of thumbnail impressions that turned into views.
Learn more →How to make a YouTube thumbnail
A step-by-step process from hook to upload — with or without design skills.
Learn more →