So to answer you question (if it hasn't already), the index. php file is there as WordPress's last resort to render a template for a page, is required for a template to work, and renders a default simple generic template that can be used by every singe page created by WordPress.

The index. php file for a template contains a mixture of code that will be delivered as it is, and PHP code that will be modified before it is delivered. The code will be familiar to anyone who has designed a simple HTML web page.

To remove the “index. php” from your site's URLs, you will first need to make sure your server is set up to pass would-be 404 requests off to Craft's index. php file behind the scenes. If you're running Apache, you can do that by creating a redirect in your site's .

Navigate to “Appearance” in the left-hand menu, and then click “Theme Editor”. In the Theme Editor, you will see a list of files on the right-hand side. Look for the “index. php” file in the list and click on it to open it for editing.