Hi Steve,
Here are the answers on the above questions:
- "Did you make any significant changes to the site - implementing HTTPS for instance"
** A. No major changes were made.**
- "Has someone changed your sitemap, robots.txt or htaccess files"
A. No, the site map has not been changed.
- " Are you having redirect issues?"
A. No, we are not aware of any re-direct issues and have not made any any in the past month.
- "Are you getting more 4xx errors in Google analytics"
A. No, there are no 4xx errors.
- "When you look at Google Analytics is there any particular traffic source or keyword that has suddenly dropped or is it roughly the same across the board?"
** A. It appears to be erratic based on Google analytics chart, https://www.screencast.com/t/52gAFhhkJ**
- "What is your industry? if you can share"
A. website is for web design/development industry.-Jason