Articles by
Alejandro Loyola
Technical Support

Alejandro worked as a full-stack web developer and automation engineer with 6 years of experience developing C# web apps under the .NET Framework. These days he is the head of technical support for Browserless.

December 17, 2025

TLS Fingerprinting: Explanation, Detection and Bypassing it in Playwright and Puppeteer

This guide explains TLS fingerprinting—how it works, why CDNs and bot detectors use it, and how to bypass TLS fingerprint detection in Playwright and Puppeteer using Browserless and BrowserQL. Learn about JA3, JA4, cipher suites, and practical techniques for making your automation look like real browser traffic.

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December 15, 2025

Headless Browser vs. Real Browser: Definitions and Key Differences

Headless browser or real browser: Which should you choose? Learn where each option makes sense and compare performance for different tasks.

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December 10, 2025

How to build your own X (Twitter) scraper tool using Browserless

Today we'll show you a code to scrape X/Twitter profiles, followers and other data. If you're interested in X/Twitter scraping, check it out!

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December 9, 2025

The 7 Best Web Scraping Tools for Data Extraction in 2025

A practical, developer-first walkthrough of the best web scraping tools for data extraction and the best data extraction tools for web scraping in 2025.

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November 27, 2025

Browser Automation in the Cloud: How BrowserQL Enables API-Driven Workflows

Run full browser automation from any cloud or serverless environment using simple BrowserQL queries. Trigger navigation, extraction, and actions without installing a browser.

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November 24, 2025

The Smarter Path to Production-Ready Web Automation

Learn how Browserless removes the hidden costs of DIY browser automation, offering stable, production-ready workflows without maintaining your own headless browsers.

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November 20, 2025

How Browserless Makes PDF Generation and Screenshots Simple with API Endpoints

Generate PDFs and screenshots from any webpage with simple API calls. Automate visual output without maintaining browser infrastructure.

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November 17, 2025

Automation Scripts: The Complete Guide (Python, Bash, PowerShell & Browser Automation)

Master automation scripts in Python, Bash, and PowerShell. Automate repetitive tasks, integrate APIs, and scale browser automation with Browserless.

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November 14, 2025

The Rise of the AI Browser: How Intelligent Web Tools Are Transforming the Internet

Explore how AI browsers like Perplexity, Comet, and Brave Leo are transforming the way we browse, search, and automate tasks.

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November 12, 2025

Demystifying CAPTCHA: How It Keeps the Internet Human

Explore how CAPTCHA works, why it matters, and how tools like Browserless are redefining human verification with ethical, AI-ready automation.

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November 6, 2025

Memory Leak: How to Find, Fix & Prevent Them

A practical guide to memory leaks: how they happen, how to detect them, the tools to fix them, and the habits to prevent them across Python, Java, C++, and Chrome.

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October 28, 2025

Web Scraping: What It Is, How It Works, and Best Practices

Learn what web scraping is, how web scrapers work, and the techniques used for extracting data from websites.

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October 24, 2025

From Playwright Codegen to Scalable Automation: Building Robust Scripts with Browserless & BrowserQL

Learn how to turn Playwright Codegen recordings into resilient, scalable automation scripts using Browserless, BrowserQL, and best architecture patterns.

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October 20, 2025

Residential Proxies for Web Automation: How and When to Use Them with Browserless

Discover how and when to use residential proxies in Browserless workflows. This guide covers proxy types, integration steps, ethical best practices, and when to prioritize stealth over speed.

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September 25, 2025

Playwright vs Selenium: Which Automation Tool Should You Use in 2025?

Explore the 2025 showdown between two leading browser automation frameworks. Compare speed, setup, scraping power, and enterprise support.

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September 24, 2025

Top REST API Interview Questions and Answers (2025) With Real-World Applications

Ace your next API interview with 2025’s top REST API questions and answers. Learn fundamentals, best practices, and real-world examples.

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September 18, 2025

No‑Code Automation for Developers: Architecture, Integration Patterns, and Essential Tools

See how developers can harness no-code platforms with the right architecture, APIs, and tools. Learn where no-code fits, when to extend it, and how to scale with Browserless.

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September 15, 2025

What is a Headless Browser? Key Features, Benefits, and Uses Explained

Unlock automation at scale with headless browsers, scraping, rendering, stealth, and stability powered by Browserless.

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September 2, 2025

Puppeteer PDF: Complete 2025 Guide to HTML-to-PDF Generation

Learn Puppeteer PDF generation with copy-paste examples for HTML to PDF. Updated for 2025 with formatting tips, troubleshooting, and production-ready scaling.

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August 14, 2025

How the Browserless Sessions API Keeps Your Automation on Track

A deep-dive guide to using the Browserless Sessions API, covering when to use it, how to configure it, and best practices for maintaining stateful automation.

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August 12, 2025

More Real-World n8n Use Cases with Browserless

3 new real-world workflows using Browserless + n8n: authenticated scraping, PDF generation, AI website audit.

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August 8, 2025

Is Web Scraping Legal? A 2025 Guide to Laws, Ethics, and Best Practices

Learn when web scraping is legal, when it becomes risky, and how to build scraping workflows that stay compliant in 2025.

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August 5, 2025

What Is a User Agent? A Complete Guide for 2025

Learn what a user agent is, how it affects web requests and automation, and how to use it responsibly in scraping and scripting workflows.

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July 21, 2025

Automate Web Tasks with Zapier, Make & Browserless: No Code, Real Power

Build powerful browser automations using Zapier or Make with Browserless no backend or full-code setup needed.

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July 14, 2025

Best Language for Web Scraping: Python vs JavaScript A Practical Comparison

Compare Python and JavaScript for web scraping: tools, performance, and real-world examples. Discover how Browserless simplifies scaling scraping in any language.

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July 8, 2025

Web Scraping vs Data Mining: Understanding the Differences, Use Cases & Best Practices

Understand the differences between web scraping and data mining, and learn when to use each method individually or in combination. Get real examples, tools, best practices, and code walkthroughs for smarter data strategies.

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June 26, 2025

Browserless Hybrid Automation: Faster Speed, Mobile Power, and Seamless Human + Bot Workflows

Discover how Browserless Hybrid Automation blends bots and humans across desktop and mobile web, unlocking faster, smarter, and more scalable workflows.

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June 10, 2025

Using Browserless + n8n + AI Agents to Power Smart Web Automation Workflows

Discover how to build smart, scalable web automation workflows using Browserless, n8n, and AI agents like Claude or ChatGPT. Learn from real-world examples that cover pricing intelligence and lead qualification.

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May 22, 2025

Scraping with Playwright: A Developer’s Guide to Scalable, Undetectable Data Extraction

A hands-on developer guide to scraping JavaScript-heavy websites with Playwright. Learn how to scale, avoid detection, and automate scraping tasks with BQL.

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May 20, 2025

The Ultimate Guide to Puppeteer Web Scraping in 2025

A practical deep dive into scraping modern websites with Puppeteer in 2025. Learn how to deal with JavaScript rendering, CAPTCHAs, SPAs, and scale your scrapers with Browserless.

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May 16, 2025

Bypass Cloudflare with Puppeteer

A hands-on guide to bypassing Cloudflare using Puppeteer. Learn how to use stealth plugins, proxy rotation, and CAPTCHA solvers to scrape even the most protected websites.

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May 13, 2025

Bypass Cloudflare with Playwright

Cloudflare makes scraping tough, but not impossible. Learn how to use Playwright, stealth plugins, proxies, and even Browserless BQL to defeat modern bot protection.

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April 28, 2025

How to Migrate from Selenium Grid to BrowserQL

Learn how to transition from Selenium Grid to BrowserQL with a step-by-step guide. Simplify your browser automation and remove infrastructure overhead.

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April 28, 2025

How to Scrape Etsy with BQL

Discover how to easily extract product listings, prices, and seller details from Etsy using BQL Handle CAPTCHAs, bot detection, and dynamic content.

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April 11, 2025

How to Use Browserless with CrewAI

Learn how to supercharge CrewAI agents with Browserless to scrape real-time web data efficiently. Reduce token usage, bypass bot detection, and extract information like a pro.

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April 3, 2025

Build a ChatGPT Operator Alternative, with DeepSeek + BrowserQL

Build your own AI agent with browser control, similar to ChatGPT’s Operator, using DeepSeek and BrowserQL

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March 27, 2025

How to Scrape Glassdoor with BrowserQL

Discover how to extract job listings, salaries, and company reviews from Glassdoor using BQL. Overcome challenges like CAPTCHAs, bot detection, and dynamic content with an efficient scraping workflow.

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March 27, 2025

Scraping Network Requests: How It Works and Why It Matters

Learn how to scrape network requests to extract data more efficiently. Discover how request and response monitoring provides cleaner, faster access to structured data from modern websites.

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March 12, 2025

Simplified Web Scraping With Our New Mapping Feature

Our new mapping feature makes web scraping easier by allowing developers to extract structured data with minimal code. Learn how to use mapSelector to streamline your workflow and handle dynamic content efficiently.

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February 21, 2025

Cutting Proxy Usage with Reconnects

Reduce proxy usage by up to 90% with reconnects. Learn how to optimize web scraping workflows using BrowserQL for session reuse, speed, and efficiency

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February 14, 2025

How To Bypass Cloudflare When Scraping

Struggling with Cloudflare blocking your scrapers? Learn how to bypass bot detection, handle CAPTCHAs, and rotate IPs using open-source tools and BrowserQL.

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February 11, 2025

Ultimate Guide to Web Scraping with JavaScript & Node.js (2025 Edition)

Learn JavaScript and Node.js web scraping with Axios, Cheerio, Puppeteer, and BrowserQL. Handle dynamic content, CAPTCHAs, and bot detection for scalable workflows.

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February 7, 2025

How to Scrape Protected Websites with ChatGPT

How to scrape websites with ChatGPT, including bypassing bot detectors using BrowserQL.

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February 4, 2025

How to Scrape Shopify Stores with BrowserQL

Discover how to easily scrape Shopify stores for pricing, inventory, and product data with BQL.

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January 30, 2025

How to Scrape Indeed with BrowserQL

How to scrape Indeed, including bypassing bot detection using BrowserQL

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January 22, 2025

How to Scrape Reddit with BrowserQL

How to scrape Reddit, including bypassing bot detection using BrowserQL

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January 14, 2025

How to Scrape Walmart.com with BrowserQL

How to scrape Walmart, including getting past bot detectors using BrowserQL

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January 7, 2025

How to Scrape Yelp With Browserless

Learn how to scrape Yelp data with Browserless. Follow our step-by-step guide with anti-bot techniques to save time and boost your data collection ROI.

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December 18, 2024

How To Scrape Zillow With Phone Numbers

How do you scrape Zillow with phone numbers? Read our complete guide here.

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December 12, 2024

eBay Web Scraper Guide: Puppeteer, Playwright & Python Examples

Learn to scrape eBay data with Browserless. Follow our step-by-step guide with anti-bot techniques to save time and boost your data collection ROI.

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November 7, 2024

How to Deploy Puppeteer on GCP Compute Engines, Complete with Dependencies

How to deploy Puppeteer on GCP Compute Engines, complete with separate Chrome browsers and missing dependencies.

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October 29, 2024

How to Deploy Playwright on GCP Compute Engines

How to deploy Playwright and Chrome on GCP Virtual Machines, complete with VM selection and dependencies.

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October 10, 2024

How to Deploy Playwright on Azure VMs, Complete with Dependencies

How to deploy Playwright and Chrome on Azure Virtual Machines, complete with working dependencies.

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October 4, 2024

How to Deploy Puppeteer on Azure VM, Complete with Dependencies

How to deploy Puppeteer on Azure Virtual Machines, complete with separate Chrome browsers and missing dependencies.

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September 17, 2024

How to Deploy Playwright on AWS EC2

How to deploy Playwright and Chrome on AWS EC2, complete with advice on depencies, operating systems and configuring the environment.

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September 13, 2024

How to Deploy Puppeteer on AWS EC2, Including Setup and Dependencies

How to deploy Puppeteer on AWS EC2, complete with tested solutions for OS compatibility and missing dependencies.

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August 30, 2024

How to Debug Playwright & Puppeteer Automations With Effective Logging

Debugging automations without the right logs wastes time and resources. Check out our guide to learn how to set up logs and efficiently troubleshoot issues.

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August 21, 2024

How to Select and Maintain CI Runners for Playwright

How to fix slow or flaky CI/CD test suites, through properly upgrading and maintaining test runners. Covers symptoms of small runners and how to plan an upgrade

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August 8, 2024

Event Handling and Promises in Web Scraping

How to avoid common anti-patterns in web scraping, particularly in event handling and promises, including detailed code examples.

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July 5, 2024

How to Deploy Playwright on an Azure Functions App

Want to deploy Playwright on an Azure Functions App? This 4-step guide will show you how to get past size limitations and automate browser tasks.

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June 28, 2024

How to Run Playwright Automations on Heroku

Looking to automate browser tasks on Heroku? Use this tutorial to learn how to integrate Playwright for seamless browser automation in the cloud.

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June 19, 2024

Keep Puppeteer browsers alive with our Reconnect API

How to reuse a Chrome instance for multiple Puppeteer scripts with our /reconnect API, to speed up scraping or avoid repeat log ins.

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June 13, 2024

How to Run Parallel Lighthouse Tests In Your CI Pipeline

How to run high volume Lighthouse tests as part of your continuous integration pipeline. Includes an overview of the benefits, and running concurrent tests with Browserless's /performance API

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June 6, 2024

How to Deploy Puppeteer on Google Cloud Functions

Looking to deploy Puppeteer on GCP? This guide includes the code required to run Puppeteer in a Function, including dealing with challenges such as compressed browsers.

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May 22, 2024

How to Deploy Puppeteer on Azure Functions for Browser Automation

How to deploy Puppeteer on Azure Functions, including instructions for using compressed browsers compatible with file size limits and saving outputs to a blob.

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May 7, 2024

How to run Puppeteer on Heroku for Web Automation

Want to automate tasks on the web using Puppeteer-core and Heroku? This tutorial will walk you through the process and help you get started quickly.

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April 29, 2024

How to Deploy Playwright on AWS Lambda

How to move your Playwright scripts onto AWS Lambda, with code examples for the required library files and layers.

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March 28, 2024

Automatically solve any captcha as part of your Playwright or Puppeteer script

Easily add captcha solving to your Puppeteer or Playwright scripts with our API, for web scraping and other automations.

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March 20, 2024

How to Deploy Puppeteer on AWS Lambda

How to deploy Puppeteer on AWS Lambda, including the use of puppeteer-core and sending generated files to an S3 bucket.

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February 29, 2024

Deploying Playwright with Vercel for Effective End-to-End Testing

How to deploy Playwright on Vercel, with separately hosted browsers. Complete with code examples, you'll be up and running in no time.

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February 26, 2024

Announcing the /unblock API from Browserless, a new approach to dodging bot detectors

The /unblock API clears away bot fingerprints at the CDP level, to truly humanize your Puppeteer automations.

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February 20, 2024

How to use Puppeteer with Netlify

How to use Puppeteer on Netlify for tasks such as screenshots or PDF exports. This guide uses puppeteer-core with a separate Chrome instance.

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January 23, 2024

How to Optimize Puppeteer Automations

Speed up your Puppeteer scraping and automations with practical tips on reusing browsers, cache management, and resource optimization.

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December 18, 2023

Running scripts for Browserless using Zapier

You can run automations fully on the cloud by using Browserless with Zapier. Here's a quick guide on how to set up your first Zap.

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December 15, 2023

How to generate Puppeteer scripts with Chrome's recorder

How to turn website interactions into Puppeteer scripts using Chrome's inbuilt Recorder, then run them through Browserless's API with a few tweaks.

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December 13, 2023

Migrating from Selenium to Playwright

Outlining the advantages of Playwright over Selenium, with a detailed guide for how to convert your scripts and ditch the Grid.

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September 5, 2023

How to extract travel data at scale with Puppeteer

How to extract travel data at scale with Puppeteer

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August 22, 2023

WaitUntil option for Puppeteer and Playwright

Picking the best waitUntil option to use can be tricky, let's dive into the details of how each one works and how to pick the best one for each scenario.

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December 7, 2022

Turning sites into structured data | How to get JSON file from Wikipedia

In this article, we'll show you how you can turn any site into a structured data. The example is Wikipedia website to JSON.

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August 3, 2022

How to create a time-lapse traffic with Browserless

Take a look at how to create time-lapse traffic using Browserless open source web automation tool for developers.

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January 27, 2022

What is browserless?

This post gives an introduction to web automation with Browserless. Learn the most common use cases, libraries that work with browserless, and features the service provides.

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