Guide to crafting your own Chrome browser extension

I have a question that is giving me some trouble. I am working on developing a Chrome extension that will track and update the number of times a specific website has been visited or clicked in a database. I want this count to be displayed before the site is opened when it appears in Google search results.

However, I am new to creating Chrome extensions and using databases, so I'm feeling a bit lost. I've tried searching online for help, but haven't found a clear answer. It seems like I may need more than just JavaScript to write data to the database.

If anyone has any tips or advice on how to tackle this project, I would greatly appreciate it. I realize my question is quite broad, but hopefully, it can help other newcomers navigate this process in the future. Thank you in advance for your help!

javascriptajaxgoogle-chrome-extension

Answer №1

Before diving into a project like this, it is essential to first gain knowledge in javascript and the fundamentals of chrome extensions. (Begin Here and API reference)

The main question at hand seems to be: How can data be sent from an extension back to the server?

Concise Version

An effective method is to utilize AJAX requests from the background page whenever data needs to be transmitted to the server.

Detailed Explanation

  1. Extract necessary data from content scripts when users access a webpage.
  2. Relay this data to the background page through message passing.
  3. In your background page, use vanilla Javascript or leverage the jQuery framework for sending the AJAX request. Numerous resources on stackoverflow shed light on this topic.
  4. Ensure proper permissions are set in your manifest.json file (https://developer.chrome.com/extensions/xhr).
  5. Establish a page (PHP, Java, etc.) on your server to receive the POST data.

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