Compared to a PNG or JPG screenshots, SVG screenshots are infinitely scalable and have tiny file sizes (as low as 10KB!). You can use SVG screenshots to show high quality images of your product on your landing page while actually decreasing your page weight.
For my product Checkbot, I created SVG screenshots of the web app for the landing page so the page would load as quickly as possible. See https://www.checkbot.io/ for a demo.
Visit https://www.checkbot.io/article/web-page-screenshots-with-svg/ for a tutorial on to make SVG screenshots of your own web app. This is also an exercise in content generation to drive visitors to the site while trying to produce helpful content so let me know if you have any feedback here on if you found the article useful and easy to follow. 😄