It's hard to find them these days, but some of the blogging about blogging/internet marketing crowd used to post data on headlines and what got clicks based on

It's hard to find them these days, but some of the blogging about blogging/internet marketing crowd used to post data on headlines and what got clicks based on different sources like Facebook and Twitter. Examples from one of the larger still active blogs here: https://duckduckgo.com/?q=titles+site%3Ahttps%3A%2F%2Fmoz.com%2Fblog&t=h_&ia=web https://duckduckgo.com/?q=titles+site%3Ahttps%3A%2F%2Fmoz.co... There were also lists of headline swipe files that provided lots of templates.