If you have put the code in your header.php is the full URL to the Favicon correct? Also check in another browser as Favicons can be heavily cached (so check another machine) I’m assuming the non / page (without home) has the favicon code present on it as well? What is URL?
There is basic Favicon functionality built into WP. Go to Theme Customiser > Site Identity and use the ‘Site Icon’. In some cases its better to have custom code in the head, and the above doesn’t work for non WP pages within the site, if thats what you are using. However its worth a try … Read more
When you add your admin (sub)page, then you’re (hopfully) using add_*menu_page(). You can simply save its result in a var. This var is the $hook_suffix. Then you can simply add your callback (that adds the favicon) to the admin_head-{$suffix} hook Source Link. As the plugins screenshot shows you, there’re also the load-{$hook_suffix}-hooks Source Link, which … Read more
Rewrite rule for path of favicon.ico ( Add_rewrite_rule function possible ? )
The ‘official rules’ about site icons are here:https://www.w3.org/TR/html5/links.html#link-type-icon . They provide this example of site icons for several sizes: <link rel=icon href=favicon.png sizes=”16×16″ type=”image/png”> <link rel=icon href=windows.ico sizes=”32×32 48×48″ type=”image/vnd.microsoft.icon”> <link rel=icon href=mac.icns sizes=”128×128 512×512 8192×8192 32768×32768″> <link rel=icon href=iphone.png sizes=”57×57″ type=”image/png”> <link rel=icon href=gnome.svg sizes=”any” type=”image/svg+xml”> The above link also specifies if the ‘link … Read more
To force the site icon to be a specific attachment you can use the wp-admin/options.php page and search for the site_icon label then change the value of the field to the attachment ID you would like it to be. Of course this also can be done via SQL, with a query somewhat similar to: update … Read more
Trying to create a plugin to change wordpress site icons per page
After removing the .DS_Store file from the images/headers folder, the Header admin panel is displaying the header image thumbnails perfectly! And yes, it is important to remove .DS_Store files before migrating the site to live server, or they will hitch a free ride and end up on the server. So Mac users, pay attention. To … Read more
I hope you are using different theme in each site Just add this code in your header.php file. <link rel=”shortcut icon” href=”https://wordpress.stackexchange.com/questions/25736/<?php bloginfo(“stylesheet_directory’); ?>/favicon.ico” /> Add your favicon in each theme. For favicon in admin area. Add the following function in your function.php file. function admin_favicon() { ?> <link rel=”shortcut icon” href=”https://wordpress.stackexchange.com/questions/25736/<?php bloginfo(“stylesheet_directory’); ?>/favicon.ico” /> … Read more
Check if the Apache config has “Multiviews” enabled. If so, try disabling it. Or add “Options -Multiviews” to the top of the .htaccess file.