CTR dropped from 6% to 2% after new thumbnail style – what am I doing wrong?

That's a huge drop, and I've been there. First, check your audience retention and traffic sources in YouTube Studio. If impressions are still high but CTR is low, it's definitely a thumbnail/title issue. The 'shocked face + red arrow' trend works for some niches, but for tech reviews, it often reads as clickbait and your existing audience may find it off-putting. Try A/B testing with YouTube's 'Thumbnail Test' feature (in YouTube Studio under 'Test & compare') on your next video. Create 3 variants: your old style, your new style, and a hybrid (product photo with a small text overlay). Let the test run for at least 2 weeks to get statistically significant data. Also, check your audience's demographic – if they're older and more professional, they prefer clean, informative thumbnails. Good luck!

I agree with lensflow13, but let me add a technical angle. Your new thumbnails might be getting visually lost at small sizes. Red arrows and text like 'INSANE!' become unreadable on mobile, which is where 70% of your views likely come from. In YouTube Studio, go to 'Analytics' > 'Content' and compare the CTR for your last 10 videos. If the new style videos are all below 3%, it's not a fluke. Also, consider your title alignment – if your titles are long, the thumbnail text might be redundant. For tech reviews, I've found that showing the actual product in a clean, high-contrast shot with a single keyword (e.g., 'Review' or 'vs') works best. Check out channels like MKBHD – they use simple product shots with consistent branding. Your old style was probably fine; maybe just tweak the colors and font to modernize without overhauling everything.

Thanks for the feedback, both of you! I checked my analytics and you're right – the new style videos all have CTR below 2.5%, while my old ones are still over 5% in the same period. I'm going to revert to my old style for the next few videos and run a proper A/B test with the hybrid approach you suggested. I also realized my titles are quite long, so I'll shorten them to complement the thumbnails better. Appreciate the help – I'll update you all once I see some recovery!