Create a repeatable YouTube publishing workflow: plan one video, check thumbnails and captions, and interpret analytics in their traffic context.
Choose a specific viewer question and the result the video will help them achieve. Outline the demonstration, explanation or story needed to deliver that result. Write a provisional title and use it to check whether the content stays on topic. Keep a short backlog of related questions for later videos.
Test your actual camera or screen capture, microphone and export settings. Review a short sample for legible text, intelligible speech and framing on a phone. Record the video, remove confusing gaps, and verify any factual or instructional claims. Watch the full export before uploading.
Use a title and image that accurately represent the finished video. Check the current thumbnail rules for your upload device and video type. Plan pixel dimensions, create the actual image in an editor, then inspect its file format, size and legibility. Count title characters as a drafting aid and use YouTube’s own editor to confirm its current limit.
In the current upload flow, review the title, description, visibility, audience settings and applicable disclosures. Check captions and correct names or technical terms; verify links, credits and any chapters you add. Use a preview or restricted visibility to inspect playback before the intended release, then confirm the public video and thumbnail.
Review impressions, click-through rate, viewing duration and retention together. Compare videos or periods with similar topics, traffic sources and audience maturity. Inspect where viewers leave and whether the opening delivers the title’s promise. Choose one concrete content or packaging change, record when it was made, and allow enough observations before judging it.
Plan frame proportions before arranging a canvas in your editor.
Calculate whole-pixel dimensions; create the file in an editor and check its actual upload size.
Inspect draft title and description character counts, then confirm the field requirements in YouTube Studio.
Compare your selected sRGB colours and add non-colour cues; the tool does not analyse an uploaded thumbnail.
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Checked 2026-09-07. The current English help page recommends 3840 × 2160 for videos and 2160 × 3840 for Shorts. Minimums are 640 pixels wide for video and 640 high for Shorts. It lists JPG/PNG, 16:9 video, 9:16 Shorts and 1:1 podcast artwork. Custom thumbnails require account verification.
| Upload context | Current help-page limit |
|---|---|
| Mobile video thumbnail | 2 MB |
| Mobile podcast thumbnail | 10 MB |
| Desktop video, Shorts or podcast thumbnail | 50 MB |
CTR varies with content, audience and where an impression appears. Compare similar traffic mixes, avoid reacting to small early changes, and inspect viewing behaviour alongside clicks.
W3C guidance explains why colour alone should not carry a distinction. Use a visible label or another cue in graphics; a colour simulation is a review aid.
Write down the date range, traffic source and changed asset. Changing several things at once makes the result harder to interpret.
A click is the beginning of the visit. Review whether the video resolves the question that earned it.