Published on January 25, 2026 for Agencies.
If you need to A/B test thumbnails Facebook videos into 25+ languages, this quick guide with inuno shows you the essentials to increase watch time.
Why multilingual content?
Reach global audiences, boost SEO, and unlock more engagement.
Quick steps
1) Prepare clear titles & descriptions.
2) Use a reliable translator (local or cloud).
3) Keep brand terms consistent.
Tip: Start fast. Small improvements add up over time.
How to A/B test thumbnails your Facebook videos in 25+ languages — increase watch time fast