Use this IP address lookup tool to find detailed information and geolocation of any IP address. Besides being a functional IP lookup tool, this page also provides the full source code for the tool. To lookup an IP, just type it in and press submit.
MailPoet comes with a “subscribe in comments” option that allows visitors who comment on a post to subscribe to your list via a checkbox. But this box is unchecked by default. With this jQuery snippet, you can have the box auto-checked on page load.
AJAX has become THE way to build user friendly and dynamic websites. With AJAX, you can update the contents of a page without doing a full page reload. Most websites need this behavior. Read this post to learn how to implement AJAX on WordPress sites.
Custom excerpts are better for UI/UX because in their absence, most WordPress themes will just grab text from your content. But writing custom excerpts of proper length can be tricky. What you need is a character counter on your WordPress excerpt box!