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Web Scraping · Proxynet Blog – Page 4

  1. Published

    Sessions and Cookies in Python: Logging In With requests

    requests.Session carries cookies between requests and keeps a session alive. Read the CSRF token from the form, verify the login and store the session on disk.

    Written by: Acar Diveroli

  2. Published

    What Is Scrapy and How to Use It With a Proxy

    In Scrapy, a proxy is set through the request meta field or a middleware. Setup, authentication, AutoThrottle settings and rotation, explained with code.

    Written by: Acar Diveroli

  3. Published

    What Is TLS Fingerprinting and JA3? How It Works

    A TLS fingerprint is an identifier built from the cipher and extension lists in a client's ClientHello. How JA3 and JA4 are computed, and what a proxy changes.

    Written by: Acar Diveroli

  4. Published

    Why Are AI Shopping Agents Blocked on Websites?

    Shopping agents hit bot protection because sites can't tell a human from an authorised agent. We explain why, and new fixes such as signed agents.

    Written by: Acar Diveroli

  5. Published

    Concurrency vs Parallelism: What Sets Scraping Speed?

    Concurrency makes use of waiting time, parallelism makes use of CPU power. We explain which one speeds up scraping, with Python and Node.js examples.

    Written by: Acar Diveroli

  6. Published

    CSS Selector vs XPath: Which One for Web Scraping?

    CSS selectors are short and readable, while XPath can also select by text and parent elements. We compare syntax, speed and Python examples for both methods.

    Written by: Acar Diveroli

  7. Published

    Web Scraping with GPT-6 Astra: What Changed?

    GPT-6 Astra improves page understanding and browser control, but it does not solve blocks, CAPTCHAs, or rate limits. Its real place in a scraping flow.

    Written by: Acar Diveroli

  8. Published

    What Are Honeypot Traps and How Do They Affect Scraping?

    Honeypots are hidden links that visitors never see but bots get caught on. We explain how they work and how they flag a scraper, without teaching evasion.

    Written by: Acar Diveroli

  9. Published

    HTTP Status Codes in Web Scraping: 403, 407, 429, 503

    403, 407, 429 and 503 responses point to different problems in scraping. We explain what each code means, its causes and how to retry properly with Retry-After.

    Written by: Acar Diveroli

  10. Published

    HTTPX vs. Requests vs. AIOHTTP Compared

    Requests is simple and synchronous, AIOHTTP is async, and HTTPX offers both. Proxy usage, performance, and which library fits which project, with code examples.

    Written by: Acar Diveroli

  11. Published

    What Is a robots.txt File and How Do You Read It?

    robots.txt is the file where a site tells bots which paths not to crawl. We explain the Disallow, Allow and Crawl-delay rules and how to read it with Python.

    Written by: Acar Diveroli

  12. Published

    How to Automate SEO Rank Tracking

    Checking rankings by hand doesn't scale. We walk through automated rank tracking with the Search Console API, SERP data and location-based queries.

    Written by: Acar Diveroli

  13. Published

    Static vs Dynamic Pages: Do You Need a Headless Browser?

    Dynamic pages load their content later with JavaScript, so a simple request comes back empty. We explain with examples when a headless browser is needed.

    Written by: Acar Diveroli

  14. Published

    Web Scraping: JavaScript or Python?

    Python stands out with its data-processing libraries; JavaScript excels at dynamic pages and browser automation. We compare which language suits your project.

    Written by: Acar Diveroli

  15. Published

    How to Scrape Websites Without Getting Blocked

    Scrapers are usually blocked because of rate limits, missing headers and a single IP. We explain how to collect data by the rules without overloading the site.

    Written by: Acar Diveroli

  1. Sessions and Cookies in Python: Logging In With requests

    Tutorial

    Published

  2. What Is Scrapy and How to Use It With a Proxy

    Web Scraping

    Published

  3. What Is TLS Fingerprinting and JA3? How It Works

    Web Scraping

    Published

  4. Why Are AI Shopping Agents Blocked on Websites?

    AI

    Published

  5. Concurrency vs Parallelism: What Sets Scraping Speed?

    Comparison

    Published

  6. CSS Selector vs XPath: Which One for Web Scraping?

    Comparison

    Published

  7. Web Scraping with GPT-6 Astra: What Changed?

    AI

    Published

  8. What Are Honeypot Traps and How Do They Affect Scraping?

    Web Scraping

    Published

  9. HTTP Status Codes in Web Scraping: 403, 407, 429, 503

    Web Scraping

    Published

  10. HTTPX vs. Requests vs. AIOHTTP Compared

    Comparison

    Published

  11. What Is a robots.txt File and How Do You Read It?

    Web Scraping

    Published

  12. How to Automate SEO Rank Tracking

    Use Cases

    Published

  13. Static vs Dynamic Pages: Do You Need a Headless Browser?

    Comparison

    Published

  14. Web Scraping: JavaScript or Python?

    Comparison

    Published

  15. How to Scrape Websites Without Getting Blocked

    Web Scraping

    Published