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…-skip - Inject MAIN-world script that strips playerAds/adPlacements from /youtubei/v1/player and /next responses so the player never tries to load ads (fastest path). - Auto-skip fallback in content.js: clicks Skip button, fast-forwards non-skippable ads via currentTime=duration, with per-src guard and loadstart suspension to prevent skipping the real video. - Mute applied immediately when ad-showing is detected (no audio leak). - CSS hides ad overlays and the video element while ads play. - New DNR rules for YouTube ad endpoints (pagead, ptracking, stats/ads, doubleclick subdomains). - Counter increments per skipped YouTube ad.
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Summary
Adds first-class YouTube ad blocking on top of the existing network/cosmetic filtering. Three layers, ordered by speed:
youtube-inject.js(new) — runs inworld: "MAIN"atdocument_start. Wrapswindow.fetchandXMLHttpRequestto intercept/youtubei/v1/player,/next, and/reel/reel_watch_sequenceresponses, recursively strippingplayerAds,adPlacements,adSlots,adBreakHeartbeatParams. The player never tries to load an ad → instant video start.content.js— auto-skip fallback. Clicks the Skip button, fast-forwards non-skippable ads (currentTime = duration), mutes the momentad-showingis detected. Per-source guard + 150msloadstartsuspension prevent the bug where the real video gets sent to the end. State (muted/playbackRate) is reset on every media swap.content.css— hides ad overlays / display ads / promo cards whilead-showingis set.Also adds 5 DNR rules for YouTube-specific ad endpoints (
/api/stats/ads,/pagead/,/ptracking,googleads.g.doubleclick.net,static.doubleclick.net).The skip counter increments by one per skipped ad (guarded against double-counting via
skippedSrc).Test plan
chrome://extensionsenabled = false) re-enables ads as expectedytd-display-ad-renderer,#masthead-ad, etc.)youtube-nocookie.comembeds