Native YouTube ads are separate playback inventory
Pre-roll, mid-roll, and display ads are inserted and served by YouTube. The player knows it is in an ad state, and the ad is not part of the creator's uploaded footage. YouTube Premium is designed to remove this platform-served advertising experience for subscribers.
An ad blocker also targets network requests or page elements associated with platform advertising. It does not understand the meaning of the creator's spoken words inside the video file.
Creator-read sponsorships are part of the video
A creator-read sponsor segment is narration and footage uploaded as part of the main video. YouTube describes sponsorships as paid promotions that can be included directly in creator content and notes that Premium viewers may still see disclosures for that sponsored content.
Because the passage is ordinary video content at the playback layer, removing platform ads does not automatically remove it.
Which tool handles which interruption?
Use the product that matches the technical layer. Combining tools can be reasonable because they solve different problems.
- YouTube Premium: YouTube-served ads plus subscription features.
- Ad blocker: platform ads and other supported page or network advertising.
- SponsorBlock: known in-video segments submitted to a community database.
- SponsorSkip: creator-read sponsor segments detected through AI caption analysis.
- Manual seeking: any visible passage, with no automation.
Why SponsorSkip is not an ad blocker
SponsorSkip deliberately does not skip while the YouTube player reports a native ad. It waits for the actual video, obtains available captions, and requests AI analysis of creator-read sponsor passages.
That is why the product promise should always say “creator-read sponsors” or “in-video sponsor segments”—never simply “all YouTube ads.”
A simple test
If the interruption could be removed without changing the uploaded video timeline, it is probably a platform ad. If the creator says the pitch and scrubbing the normal video timeline moves through it, it is an in-video sponsor segment.