Scrapfly Blog — Scaling https://scrapfly.io/blog/tag/scaling 2026-04-03T22:26:21+00:00 Scrapfly Web scraping tutorials, guides, and articles by Scrapfly https://scrapfly.io/img/scrapfly-logo.png Concurrency vs Parallelism https://scrapfly.io/blog/posts/concurrency-vs-parallelism 2024-10-10T00:00:00+00:00 2024-10-10T00:00:00+00:00 Learn the key differences between Concurrency and Parallelism and how to leverage them in Python and JavaScript to optimize performance in various computational tasks. Web Scraping With Cloud Browsers https://scrapfly.io/blog/posts/web-scraping-with-cloud-browsers 2024-05-17T00:00:00+00:00 2024-05-17T00:00:00+00:00 Introduction cloud browsers and their benefits and a step-by-step setup with self-hosted Selenium-grid cloud browsers. Web Scraping Speed: Processes, Threads and Async https://scrapfly.io/blog/posts/web-scraping-speed 2022-09-07T00:00:00+00:00 2026-03-26T05:21:54+00:00 Scaling web scrapers can be difficult - in this article we'll go over the core principles like subprocesses, threads and asyncio and how all of that can be used to speed up web scrapers dozens to hundreds of times.