Engagement is the measurable interaction viewers have with a video — likes, comments, shares, saves, and watch-through. Platforms like TikTok and Instagram weight high-engagement content in the algorithm, boosting organic reach. Strong viral hooks, pattern interrupts, and emotionally resonant scripts are the biggest drivers of engagement in UGC-style video ads.
Video Engagement Rate
Frequently Asked Questions
Which engagement metric matters most for UGC ad performance?
Hook rate (3-second views) and watch time matter more than likes or comments for paid social. Algorithmic distribution is driven by retention, not by likes. For organic posts, comments and saves move distribution; for ads, watch time and click-through dominate. UGC Copilot's scripts are optimized for retention metrics specifically.
Do likes and comments affect ad delivery?
Indirectly. Strong organic engagement signals on a Spark Ad source post can lift its boosted reach by 20–50%. But for cold-launched ads with no organic history, likes and comments accumulate too slowly to influence the algorithm during the test window. Hook rate and watch time do the heavy lifting in the first 24–72 hours.
How important are saves and shares versus likes?
Saves and shares are widely considered stronger organic signals on TikTok and Reels than likes — they correlate with higher distribution multipliers because they reflect intent to revisit or amplify the content. Likes are the weakest signal because they're cheap to give. For ad creative specifically, none of these matter as much as hook rate and watch time, which directly drive paid distribution.