What Is a PAC File? Proxy Auto-Config Explained
A PAC file is a JavaScript FindProxyForURL function that tells a browser which proxy to use per URL. Learn PAC syntax, helper functions, WPAD, and security.
SparkProxy·Proxy Basic
Tag
#FindProxyForURL
Everything tagged FindProxyForURL.
#FindProxyForURL articles
Trending Now
Guides
How to Test Proxies: Complete Guide to Proxy Testing in 2026
Guides
Selenium Proxy: Setup, Auth & Rotation (2026 Guide)
Comparisons
Best Antidetect Browsers: Top 12 Compared for 2026
Proxy Basic
What Is a Proxy Server? Meaning & How It Works (2026)
Guides
CAPTCHA Solver with Machine Learning: Build & Troubleshoot (2026)
Proxy Basic
Anonymous Proxy: What It Is, How It Works, and Its Limits
Guides
Ethical Web Scraping: Rate Limiting & robots.txt Guide (2026)
Proxy Basic
Proxy Ports Explained: 80, 443, 8080 & Which to Use
Guides
How to Avoid Getting Your Proxy Blocked
Guides