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Web Scraping · Proxynet Blog

  1. Published

    403 Forbidden Error: What It Means and How to Fix It

    403 forbidden means the server understood your request but refuses it: a login, IP, country or firewall rule says no. What visitors, owners and coders can do.

    Written by: Acar Diveroli

  2. Published

    ChromeDriver Version Mismatch: Fixing Session Not Created

    This version of ChromeDriver only supports Chrome version N means Chrome updated and the driver did not. Let Selenium Manager match them, or pin both.

    Written by: Acar Diveroli

  3. Published

    CORS Error: What "Blocked by CORS Policy" Means and Fixes

    A CORS error means the browser would not let your page read another origin's response. Here is what blocked by CORS policy means and how to fix it.

    Written by: Acar Diveroli

  4. Published

    HTTP 402 Payment Required: Pay Per Crawl and x402 Explained

    HTTP 402 Payment Required means the server wants payment before it serves a resource. Why the code sat unused for decades and how pay per crawl and x402 use it.

    Written by: Acar Diveroli

  5. Published

    Pardon Our Interruption: Why a Site Thinks You Are a Bot

    Pardon Our Interruption is Imperva's bot check. Turn on JavaScript and cookies, slow down, pause blockers and VPNs, then reload or write to the site.

    Written by: Acar Diveroli

  6. Published

    Please Enable JS and Disable Any Ad Blocker: What It Means

    Please enable JS and disable any ad blocker is DataDome's bot check fallback. Allow the site in your blocker, turn on JavaScript, drop the VPN and reload.

    Written by: Acar Diveroli

  7. Published

    Puppeteer Proxy Setup: Authentication, Rotation and SOCKS5

    Puppeteer takes a proxy through Chrome's --proxy-server flag or per browser context, with page.authenticate() for the login. Tested examples and errors.

    Written by: Acar Diveroli

  8. Published

    Puppeteer vs Playwright: Which One Should You Pick?

    Puppeteer drives Chrome and Firefox from Node.js; Playwright adds WebKit, four languages and a test runner. We compare proxies, waiting and MCP servers.

    Written by: Acar Diveroli

  9. Published

    TypeError: fetch failed in Node.js: Causes and Fixes

    TypeError: fetch failed in Node.js hides the real error in err.cause. Learn to read it and fix DNS, connection, timeout, certificate and proxy causes.

    Written by: Acar Diveroli

  10. Published

    Unable to Get Local Issuer Certificate: Causes and Fixes

    Unable to get local issuer certificate means your tool cannot find the CA that signed the server's chain. The three causes and fixes for Python, npm, Git, curl.

    Written by: Acar Diveroli

  11. Published

    What Is a WAF (Web Application Firewall)? How It Works

    A WAF (web application firewall) checks HTTP requests before they reach a site and blocks attacks. Where it sits, how rules decide and what block pages mean.

    Written by: Acar Diveroli

  12. Published

    What Is a Web Scraping API? How It Works and When to Use One

    A web scraping API fetches pages for you: send a URL, and it handles proxies, rendering and retries, then returns HTML, JSON or Markdown. When to use one.

    Written by: Acar Diveroli

  1. 403 Forbidden Error: What It Means and How to Fix It

    Tutorial

    Published

  2. ChromeDriver Version Mismatch: Fixing Session Not Created

    Tutorial

    Published

  3. CORS Error: What "Blocked by CORS Policy" Means and Fixes

    Tutorial

    Published

  4. HTTP 402 Payment Required: Pay Per Crawl and x402 Explained

    Web Scraping

    Published

  5. Pardon Our Interruption: Why a Site Thinks You Are a Bot

    Web Scraping

    Published

  6. Please Enable JS and Disable Any Ad Blocker: What It Means

    Web Scraping

    Published

  7. Puppeteer Proxy Setup: Authentication, Rotation and SOCKS5

    Integration

    Published

  8. Puppeteer vs Playwright: Which One Should You Pick?

    Comparison

    Published

  9. TypeError: fetch failed in Node.js: Causes and Fixes

    Tutorial

    Published

  10. Unable to Get Local Issuer Certificate: Causes and Fixes

    Tutorial

    Published

  11. What Is a WAF (Web Application Firewall)? How It Works

    Web Scraping

    Published

  12. What Is a Web Scraping API? How It Works and When to Use One

    Web Scraping

    Published