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Proxynet Blog – Page 3

  1. 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

  2. Published

    dns_probe_finished_nxdomain: What It Means and How to Fix It

    dns_probe_finished_nxdomain means DNS says the site's name does not exist: a typo, an expired domain, a cached answer or a filter. Fixes for every device.

    Written by: Acar Diveroli

  3. Published

    How to Fix err_connection_refused (Site Refused to Connect)

    err_connection_refused means your browser reached the server, but nothing accepted the connection on that port. Fixes for visitors, phones, localhost and code.

    Written by: Acar Diveroli

  4. Published

    How to Fix err_connection_reset (Connection Reset by Peer)

    err_connection_reset means an open connection to the site was cut by a reset signal. How to find who cut it and fix it on a computer, a phone and in code.

    Written by: Acar Diveroli

  5. Published

    err_connection_timed_out: Site Took Too Long to Respond

    err_connection_timed_out means the site never answered your browser's request to connect. How to tell if it's the site or your network, and how to fix it.

    Written by: Acar Diveroli

  6. Published

    How to Fix err_quic_protocol_error in Chrome and Edge

    err_quic_protocol_error means Chrome's HTTP/3 (QUIC) connection broke while a page was loading, usually due to antivirus, a firewall or a VPN. How to fix it.

    Written by: Acar Diveroli

  7. Published

    Secure Connection Failed in Firefox: Causes and Fixes

    Secure Connection Failed means Firefox could not finish the encrypted handshake with a site. What pr_end_of_file_error and other codes mean, and how to fix it.

    Written by: Acar Diveroli

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

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

    Tutorial

    Published

  2. dns_probe_finished_nxdomain: What It Means and How to Fix It

    Tutorial

    Published

  3. How to Fix err_connection_refused (Site Refused to Connect)

    Tutorial

    Published

  4. How to Fix err_connection_reset (Connection Reset by Peer)

    Tutorial

    Published

  5. err_connection_timed_out: Site Took Too Long to Respond

    Tutorial

    Published

  6. How to Fix err_quic_protocol_error in Chrome and Edge

    Tutorial

    Published

  7. Secure Connection Failed in Firefox: Causes and Fixes

    Tutorial

    Published

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

    Web Scraping

    Published

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

    Web Scraping

    Published

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

    Web Scraping

    Published

  11. Puppeteer Proxy Setup: Authentication, Rotation and SOCKS5

    Integration

    Published

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

    Comparison

    Published