Let's be real
Some things aren't that easy. Sermons are wonderful things to have on websites. They can be featured all over the place - YouTube, Spotify, Apple Podcasts. If your church has the tech skills (and time) to have them then it's great to consider it.
But you do need a certain level of tech skills.
For video you'll need
For audio you'll need:
Audio is easier than Video. Video is great if you have the skills. But if you don't have the equipment and volunteers to do either then it's better not to have sermons on the website!