A simple tip to increase video conversion rates by 8%

Here's a simple tip from the ReelSEO article 7 Tips for Adding Website Videos that Sell Products for increasing the conversion rates of your marketing videos:

Captions within your videos have a surprising effect on click through rates and conversions. Check out these two product videos. Although the only difference between both versions is the red captions in the version on the right, there is a 8.3% difference in their conversion rates. That’s right--merely adding captions to the original video improved its conversions by over 8 percent.