Use a syndication (feed) plugin such as https://wordpress.org/plugins/syndicate-press/ in your subsidiary sites to pull in posts from the main site. You can target specific categories of post – so this would help you to pull in just the posts that would be relevant to the subsidiary site. This will help visitors to the subsidiary sites … Read more
This is a fairly complex PHP (rather than WP) issue if you want to take into account all possibilities. If you replace test with <a href=”#”>test</a> you will run into problems if the content already has <a href=”https://wordpress.stackexchange.com/questions/317374/?”>test</a>, because the result will then be <a href=”https://wordpress.stackexchange.com/questions/317374/?”><a href=”#”>test</a></a> So, before you do the replace you will … Read more
A) The best you can do is look through server logs, if you have access to them. You would have to comb through the logs and you can then find what IP addresses have requested certain files. If any are from human visitors then yes, their web browser has downloaded the file to a cache. … Read more
How do WordPress themes work in relation to content?
How to get Post sidebar & footer including html like get_the_content() which only gets content section?
Maybe commenting out that magazine_7_post_item_tag() call?
Make sure your setting in admin > settings > general > WordPress Address & Site Address have https in there and not just http. Also, you will want to make sure if you have any static calls to images they include https. For that particular image it could be cached.
How to parse any content which was added after the working out filter ‘the_content’
How do I get a reference to the HTML memory buffer while the page is being constructed?
Pass form inputs to page content