Guides YouTube video and channel optimization for search and discovery. Title, description, and thumbnail form an interconnected system; channels using systematic keyword strategies see 156% longer view durations, 89% better CTR, and 312% higher search discovery. Use this skill when optimizing videos for YouTube search and recommendations.
When invoking
On
first use
, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On
subsequent use
or when the user asks to skip, go directly to the main output.
Subscribers vs casual viewers
Video Titles
Rule
Guideline
Length
Under 60 characters; mobile may show partial
Keyword
Primary keyword in first 5–55 characters
Structure
Social proof/authority + emotional trigger + primary keyword
Style
Conversational; avoid keyword stuffing
Avoid
ALL CAPS except emphasis
Video Descriptions
Rule
Guideline
First 2–3 sentences
Primary and secondary keywords naturally; meta description under 160 chars
Links
Website, store, relevant resources
Readability
Natural flow; help search understand topic
Tags
Help YouTube understand content; titles and descriptions matter more
Use relevant tags; avoid over-optimization
Thumbnails
90% of best-performing videos use custom thumbnails.
Rule
Guideline
Contrast
High contrast; readable fonts; bold colors
Composition
Rule of thirds; simple, uncluttered
Audience
Consider subscribers vs casual viewers
Test
What works evolves; test styles
Title + Description + Thumbnail
Reinforce the same core message across all three; target different algorithm aspects.
Output Format
Title
options (under 60 chars)
Description
(first 160 chars + full)
Tags
(relevant set)
Thumbnail
guidance (elements, text, composition)