Want to Find Keywords Across a Website? Here’s How to Build a Python Crawler Fast!

Have you ever needed to find a specific word or phrase across multiple pages of a website, but doing it manually seemed overwhelming? Well, you’re in the right place! In this post, I’ll walk you through a simple, yet powerful Python script that can help you automate this process. By the end, you’ll know how to crawl any website and search for specific keywords across its pages — all without needing to sift through them one by one.

Why You Should Use a Web Crawler

A web crawler can save you hours of manual work by automatically visiting pages, scanning their content, and identifying exactly where your keyword appears. Whether you’re working on SEO research, content analysis, or simply trying to gather data from a website, this tool can streamline the process.

Together, we’ll go through how to set up a Python-based web crawler that respects each website’s robots.txt file, searches for your keyword, and exports the results into a neat text file for easy access.

Let’s get started!

Step 1: Getting Your Python Web Crawler Ready

First, let’s take a look at the Python script that will form the backbone of your web crawler. Don’t worry if you’re not a Python expert — I’ll break down each part so you can follow along easily.