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Web Scraping · Proxynet Blog – Page 2

  1. Published

    How to POST JSON with Python Requests: cURL Equivalents

    To POST JSON with Python Requests, call requests.post(url, json=data) and the Content-Type is set for you. See how data=, params=, headers and cURL flags map.

    Written by: Acar Diveroli

  2. Published

    How to Build a Web Crawler in Python, Step by Step

    A Python web crawler queues the links it finds from a start URL and visits each page once. We build the queue, URL normalization, depth limit and scope in code.

    Written by: Acar Diveroli

  3. Published

    What Is BeautifulSoup and How Do You Use It in Python?

    BeautifulSoup is a Python library that turns downloaded HTML into a searchable tree. We cover parser choice, find_all versus select, and reading HTML tables.

    Written by: Acar Diveroli

  4. Published

    How to Download All Images From a Website Without Code

    To download all images from a web page, save it in Chrome as "Webpage, Complete" or use a bulk image extension. We also explain why some come out small.

    Written by: Enver Kaya

  5. Published

    How to Find a Website's Sitemap and List All Its Pages

    Check the Sitemap line in robots.txt first, then common paths like /sitemap.xml. We show how to read sitemap indexes, .gz files and lastmod with Python.

    Written by: Acar Diveroli

  6. Published

    How to Fix JSONDecodeError: Expecting Value in Python

    JSONDecodeError: Expecting Value means the parser found no JSON at the first character: the body is empty, HTML or plain text. Here is how to find the cause.

    Written by: Acar Diveroli

  7. Published

    Max Retries Exceeded With URL: What It Means and How to Fix

    Max retries exceeded with url is a wrapper around the real connection error in Requests. The cause sits in the Caused by part; here is how to read and fix it.

    Written by: Acar Diveroli

  8. Published

    Python Encoding Errors: How to Fix UnicodeDecodeError

    Python encoding errors come from bytes decoded with the wrong codec. Learn to fix UnicodeDecodeError in files, the Windows console and scraped web pages.

    Written by: Acar Diveroli

  9. Published

    Web Scraping vs Web Crawling: What Is the Difference?

    Web crawling finds which pages exist by following links; web scraping pulls fields like price or title from them. We compare the two with Scrapy code.

    Written by: Acar Diveroli

  10. Published

    Cloudflare Scraper: Why Requests Get Blocked and What Works

    A Cloudflare scraper gets blocked when its requests score as a bot. Learn to read the block you hit, then pick a legitimate route that still gets you the data.

    Written by: Acar Diveroli

  11. Published

    What Is Agentic Web Scraping and How Does It Work?

    In agentic web scraping the agent navigates the page itself, decides the next step and extracts data against a schema. We explain the loop, cost and limits.

    Written by: Acar Diveroli

  12. Published

    What Is an AI Web Scraper and How Does It Work?

    An AI web scraper hands field extraction to an AI model instead of fixed selectors. We walk through the working steps, tool types and limits.

    Written by: Acar Diveroli

  1. How to POST JSON with Python Requests: cURL Equivalents

    Tutorial

    Published

  2. How to Build a Web Crawler in Python, Step by Step

    Web Scraping

    Published

  3. What Is BeautifulSoup and How Do You Use It in Python?

    Web Scraping

    Published

  4. How to Download All Images From a Website Without Code

    Web Scraping

    Published

  5. How to Find a Website's Sitemap and List All Its Pages

    Web Scraping

    Published

  6. How to Fix JSONDecodeError: Expecting Value in Python

    Tutorial

    Published

  7. Max Retries Exceeded With URL: What It Means and How to Fix

    Tutorial

    Published

  8. Python Encoding Errors: How to Fix UnicodeDecodeError

    Web Scraping

    Published

  9. Web Scraping vs Web Crawling: What Is the Difference?

    Comparison

    Published

  10. Cloudflare Scraper: Why Requests Get Blocked and What Works

    Web Scraping

    Published

  11. What Is Agentic Web Scraping and How Does It Work?

    AI

    Published

  12. What Is an AI Web Scraper and How Does It Work?

    Web Scraping

    Published