You need to have a lot of traffic for naive protocol based optimizations to be effective, and even then it is not obvious that you can gain much even when it does kick in. Most people will be first time users of your site, and browser have only a limited space to store information about … Read more
Here is an alternative solution. I think it would be cleaner than adding all these if statements and page IDs. You can do this using CSS and the body class WP adds. For example, go to one of your single pages and look at the class on the body tag. You should see something like … Read more
You could take the code used for the custom post type and save it as a file (in this case I’ll call it top.php). Upload top.php to the root of your theme folder. Make sure you remove the call to the header and footer. It might look something like this: <?php $paged = (get_query_var(‘paged’)) ? … Read more
Specifically, I’d like to create a plugin to echo the following in the header immediately after the default stylesheet The preferred way is to enqueue it, with the default/main stylesheet as the dependency. Here’s a demo plugin, with the structure: + plugins/ | +–+ my-ie-style/ | +–+ my-ie-style.php | +–+ css/ | +–+ ie.css where … Read more
There’s quite a few issues with your code: Your code is only defining a function if the condition is true. It doesn’t actually output anything. Your condition is using a strict comparison to 1, but options will always be strings and 1 does not === to ‘1’. That function is only defined it if it’s … Read more
My question is, should I be doing it this way? Yes, but only if the other possible/better fixes do not work for you. You can also read this article about troubleshooting common WordPress errors such as the “headers already sent” error. And when developing a plugin/theme, I suggest you to turn on WordPress debugging because … Read more
Try using send_headers action hook instead of init. It should work. add_action( ‘send_headers’, ‘add_cors_http_header’ ); function add_cors_http_header() { header(“Access-Control-Allow-Origin: *”); }
Your questions about how you should structure your plugin are somewhat too broad, but here is a specific answer to the title question. To change headers before they’re sent, use the wp_headers filter. function tsg_filter_headers( $headers ) { // For debug. This will break your page but you will see which headers are sent // … Read more
It looks like a plugin/theme conflict. First of all, I would recommend you to deactivate all your plugins, and then to install or activate default theme, like TwentyNineteen or TwentySeventeen. Do you still have your problem ? If you don’t, we have found the solution (and then activate your plugin, one by one, to see … Read more
Try this code. add_filter(‘wp_title’, ‘custom_title’); function custom_title($title) { if(is_single()) { $category = get_the_category(get_the_ID()); if(!empty($category)){ $categories = array(‘music’,’video’); if(in_array($category[0]->slug,$categories)){ return $category[0]->name.’: ‘.$title; } } } return $title; }