The timing of relevant parts of the process is following: Query executes and fetches posts (or in this case no posts) template_redirect fires Template file is determined from query variables and loaded When you change query variables in template_redirect you change template choice (which you observe), but you still have no posts in query. The … Read more
Try resetting permalink. Go to Settings -> Permalinks and hit save on that page. Try if tags are working now.
The conditional you use to output get_template_part(‘content’, ‘none’); is only triggered if there is no post in the main loop, for example, when a category has no posts in it: if (have_posts()){ while(have_posts()) { the_post(); // If the category has a post and we are on a category page, then show the posts get_template_part(‘content’, ‘archive’); … Read more
You can filter any type of template to override the template hierarchy. In this case the filter is 404_template. We’ll check if the location query var is set, meaning the URL matched the pattern of a location request, but the result was a 404. In that case, we’ll load the 404-taxonomy-location.php template. function wpd_custom_tax_404( $templates … Read more
You mentioned that you disabled all plugins, and changed the theme (I assume you used one of the ‘twenty’ themes, which is what I usually do when trying to find theme/plugin problems). Did you also look at the ‘must use’ plugins (in wp-content/mu-plugins ) (see https://codex.wordpress.org/Must_Use_Plugins ). Maybe a plugin in there is causing problems. … Read more
Sometimes setting your permalinks up and saving them helps solve this kind of problem. Settings-Permalinks-choose your default permalink structure and hit the Save.
Does this WPSE article help? Looking at this article and similar, I’d recommend reading up on the purpose of this feature as you may not want to (fully) disable it.
That’s not what’s happening, when you visit /contacts–/ it doesn’t return a 200 code, but instead it returns a 301 redirect code. The browser then follows this redirect and heads to /contact and it’s /contact that returns 200 code. This is because /contact is the canonical URL of that page, and WordPress redirects to canonical … Read more
After doing some research I found the reason causing this. Before I moved the client’s website to its domain, they had their previous website in the old server. As we started using the new website, we started using another server. It seems that the previous website used Google’s Service Worker. My browser (and some others’ … Read more
Try using the pre_handle_404 hook instead: add_filter( ‘pre_handle_404’, ‘wpse_383506’, 10, 2 ); function wpse_383506( $preempt, $wp_query ) { if ( ! empty( $_GET[‘page_id’] ) && ‘342’ === $_GET[‘page_id’] ) { // Throw a 404 error. $wp_query->set_404(); // And prevent redirect to the page permalink (pretty URL). remove_action( ‘template_redirect’, ‘redirect_canonical’ ); } return $preempt; // always … Read more