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Web Scraping · Proxynet Blog

  1. Published

    400 Bad Request Error: What It Means and How to Fix It

    400 bad request means the server got a request it could not accept: a broken link, oversized cookies or invalid data. How visitors and developers fix it.

    Written by: Acar Diveroli

  2. Published

    401 Unauthorized Error: What It Means and How to Fix It

    A 401 unauthorized error means the site or API got no valid credentials. Visitors fix it by signing in again; developers check the header, scheme and token.

    Written by: Acar Diveroli

  3. Published

    Job Posting Data: Sources, Fields and How Companies Use It

    Job posting data is the structured record of online vacancies: title, employer, location, pay and dates. Where it comes from, how to normalize it, who uses it.

    Written by: Acar Diveroli

  4. Published

    Real Estate Data Scraping: Listings, Prices and Trends

    Real estate data scraping turns public listings into price per m², days on market and price-cut signals. Sources ranked, legal limits, and when an API fits.

    Written by: Acar Diveroli

  5. Published

    Web Scraping Cost: Build Your Own or Use a Scraping API?

    Web scraping tools are free; running them is not. The eight cost items of a self-built scraper, measured page weights and when a scraping API is cheaper.

    Written by: Acar Diveroli

  6. Published

    Web Scraping for RAG: From HTML to Clean Markdown Chunks

    Web scraping for RAG turns pages into clean Markdown chunks a retriever can index. The full pipeline, HTML vs Markdown token counts and a tested Python script.

    Written by: Acar Diveroli

  7. Published

    Web Scraping vs RPA: Differences and When to Use Each

    RPA robots operate programs through the screen like a person; web scraping reads pages over HTTP and returns structured data. We compare cost, scale and fit.

    Written by: Acar Diveroli

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  1. 400 Bad Request Error: What It Means and How to Fix It

    Tutorial

    Published

  2. 401 Unauthorized Error: What It Means and How to Fix It

    Tutorial

    Published

  3. Job Posting Data: Sources, Fields and How Companies Use It

    Use Cases

    Published

  4. Real Estate Data Scraping: Listings, Prices and Trends

    Use Cases

    Published

  5. Web Scraping Cost: Build Your Own or Use a Scraping API?

    Web Scraping

    Published

  6. Web Scraping for RAG: From HTML to Clean Markdown Chunks

    AI

    Published

  7. Web Scraping vs RPA: Differences and When to Use Each

    Comparison

    Published

  8. 403 Forbidden Error: What It Means and How to Fix It

    Tutorial

    Published

  9. ChromeDriver Version Mismatch: Fixing Session Not Created

    Tutorial

    Published

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

    Tutorial

    Published

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

    Web Scraping

    Published

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

    Web Scraping

    Published