Best Video Format for a Website in 2026: MP4, WebM, or AV1?
MP4 is still the safe default for website video. Here is when WebM or AV1 earns a second source—and when adaptive delivery matters more than format.
Why slow video kills conversions — and how to make yours start instantly.
MP4 is still the safe default for website video. Here is when WebM or AV1 earns a second source—and when adaptive delivery matters more than format.
Every extra second of video load time costs you conversions. See the data on how video speed impacts bounce rates, Core Web Vitals, and revenue — plus how to fix it.
Most video marketing advice focuses on content. This post shows why delivery speed is the part that decides whether viewers stay, convert, or bounce.
Try SmartVideo free — card required, no charge until day 15, no setup fees. Lightweight, ad-free, brand-free playback from day one.
Start your free trial“We’ve had a 10% increase in conversion rate from lead to customer.”
“SmartVideo loaded immediately; YouTube took 5 seconds to start. It became a no-brainer.”
“Our search-engine rankings went up after we switched over to Swarmify.”