Googlebot: JavaScript vs. HTML Visual
https://www.elephate.com/blog/everything-you-know-about-javascript-indexing-is-wrong/
HTTP/HTTPS Duplicate Content Site Crawl
The http/https crab with long pagination pincers?? Thanks @sitebulb for the lovely way to convey to the client that their site is, ummm, jacked!!! pic.twitter.com/mljl8xUFJI
— Scott Nickels (@scott5cents) February 21, 2018
HTML CSS JavaScript Visual
https://moz.com/blog/javascript-seo