Performing Efficient Broad Crawls with the AOPIC Algorithm
Learn how to estimate page importance and allocate bandwidth during a broad crawl.
User-Agents — Generating random user agents using Google Analytics and CircleCI
A free dataset and JavaScript library for generating random user agents that are always current.
No API Is the Best API — The elegant power of Power Assert
A look at what makes power-assert our favorite JavaScript assertion library, and an interview with the project’s author.
Recreating Python's Slice Syntax in JavaScript Using ES6 Proxies
A gentle introduction to JavaScript proxies where we use them to recreate Python’s extended slice syntax.
Building a YouTube MP3 Downloader with Exodus, FFmpeg, and AWS Lambda
A short guide to building a practical YouTube MP3 downloader bookmarklet using Amazon Lambda.
Running FFmpeg on AWS Lambda for 1.9% the cost of AWS Elastic Transcoder
A guide to building a transcoder using Exodus, FFmpeg, and AWS Lambda.
Using Ant Design in Sass-Styled Projects
Introducing antd-scss-theme-plugin, an easy way to use Ant Design with SCSS.
Extending CircleCI's API with a Custom Microservice on AWS Lambda
A guide to setting up a practical proxy API on Amazon’s Lambda using Node.js and Express.
It is *not* possible to detect and block Chrome headless
An updated example of techniques to avoid detection.
JavaScript Injection with Selenium, Puppeteer, and Marionette in Chrome and Firefox
An exploration of different browser automation methods to inject JavaScript into webpages.