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Zara Dar’s ‘Tank-Top Effect’ Test Highlights Platform-Specific Reach Differences

Her preliminary A/B post prompted scrutiny of how clothing cues interact with platform ranking.

'Tank-Top Effect': Content Creator Tests Viewer Engagement After Posting Same Reel In Different Outfits; Here Are Shocking Results
Zara Dar’s video goes viral. Image Source: Zara Dar/ LinkedIn
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Content creator Zara Dar posted identical videos in different outfits to show the Tank-Top effect

Overview

  • In her split test of two identical clips differing only by outfit, the tank-top version drew about 30,500 views on Instagram versus roughly 23,700 for the covered-top clip.
  • On X, the tank-top post reached around 9,000 views compared with about 4,400 for the other version, while on YouTube it trailed at approximately 6,200 versus 6,800.
  • Dar summarized the results as up to a 28% lift on Instagram, a doubling on X, and a reduction on YouTube.
  • News18, Free Press Journal, and Times Now amplified the LinkedIn post this week, framing the numbers as evidence of platform-specific promotion rules.
  • Commenters questioned sample size and upload order and raised gendered attention dynamics, as Dar stressed the findings are preliminary and need more testing.