Major ones I would fix are: - your 404 page is returning a 200 status code instead of 404 (making it hard for Google to know what's a broken page) - your serv

Major ones I would fix are: - your 404 page is returning a 200 status code instead of 404 (making it hard for Google to know what's a broken page) - your server isn't compressing (i.e. gzip) any of the responses which will impact speed a lot. - you have several broken external links e.g. one to chandlerdpethpsych.com I used this Chrome extension (I'm the author) to crawl and find these issues if you want to check and confirm fixes: https://www.checkbot.io https://www.checkbot.io