[Blog](https://scrapfly.io/blog) / [blocking](https://scrapfly.io/blog/tag/blocking) # \# blocking 61 articles about blocking [All](https://scrapfly.io/blog) [ai](https://scrapfly.io/blog/tag/ai) [anti-bot](https://scrapfly.io/blog/tag/anti-bot) [api](https://scrapfly.io/blog/tag/api) [beautifulsoup](https://scrapfly.io/blog/tag/beautifulsoup) [blocking](https://scrapfly.io/blog/tag/blocking) [cloud-browser](https://scrapfly.io/blog/tag/cloud-browser) [crawling](https://scrapfly.io/blog/tag/crawling) [css-selectors](https://scrapfly.io/blog/tag/css-selectors) [curl](https://scrapfly.io/blog/tag/curl) [data-parsing](https://scrapfly.io/blog/tag/data-parsing) [debugging](https://scrapfly.io/blog/tag/debugging) [ecommerce](https://scrapfly.io/blog/tag/ecommerce) [fashion](https://scrapfly.io/blog/tag/fashion) [frameworks](https://scrapfly.io/blog/tag/frameworks) [golang](https://scrapfly.io/blog/tag/golang) [graphql](https://scrapfly.io/blog/tag/graphql) [headless-browser](https://scrapfly.io/blog/tag/headless-browser) [hidden-api](https://scrapfly.io/blog/tag/hidden-api) [http](https://scrapfly.io/blog/tag/http) [httpx](https://scrapfly.io/blog/tag/httpx) [java](https://scrapfly.io/blog/tag/java) [javascript](https://scrapfly.io/blog/tag/javascript) [jupyter](https://scrapfly.io/blog/tag/jupyter) [nodejs](https://scrapfly.io/blog/tag/nodejs) [parsel](https://scrapfly.io/blog/tag/parsel) [php](https://scrapfly.io/blog/tag/php) [playwright](https://scrapfly.io/blog/tag/playwright) [project](https://scrapfly.io/blog/tag/project) [proxies](https://scrapfly.io/blog/tag/proxies) [puppeteer](https://scrapfly.io/blog/tag/puppeteer) [python](https://scrapfly.io/blog/tag/python) [r](https://scrapfly.io/blog/tag/r) [real-estate](https://scrapfly.io/blog/tag/real-estate) [requests](https://scrapfly.io/blog/tag/requests) [ruby](https://scrapfly.io/blog/tag/ruby) [scaling](https://scrapfly.io/blog/tag/scaling) [scrapeguide](https://scrapfly.io/blog/tag/scrapeguide) [scrapy](https://scrapfly.io/blog/tag/scrapy) [screenshots](https://scrapfly.io/blog/tag/screenshots) [selenium](https://scrapfly.io/blog/tag/selenium) [seo](https://scrapfly.io/blog/tag/seo) [tools](https://scrapfly.io/blog/tag/tools) [typescript](https://scrapfly.io/blog/tag/typescript) [web-scraping](https://scrapfly.io/blog/tag/web-scraping) [wget](https://scrapfly.io/blog/tag/wget) [xpath](https://scrapfly.io/blog/tag/xpath) ## // 61 results Search articles [ blocking playwright selenium ### Is Chrome CDP Detectable? CDP vs WebDriver for Browser Automation Chrome CDP is not stealth by itself. Learn how CDP, WebDriver, Playwright, Puppeteer, nodriver, Camoufox, and cloud browsers affec... Sep 11, 2026 18 min read ](https://scrapfly.io/blog/posts/chrome-cdp-stealth-browser-automation-detection-explained) [ python blocking scrapy ### 9 Mechanisms to Check When Your Scrapy Spider Gets Blocked in 2026 Diagnostic walkthrough for a blocked Scrapy spider, covering IP reputation, rate shape, cookie and session state, header order, TL... Aug 31, 2026 22 min read ](https://scrapfly.io/blog/posts/why-scrapy-spider-gets-blocked) [ python blocking api ### 9 Best E-commerce Web Scraping Tools for Developers in 2026 Retrieval, access, extraction, discovery, browser, or screenshots? Pick the narrowest e-commerce scraping tool that fixes your bro... Aug 27, 2026 21 min read ](https://scrapfly.io/blog/posts/best-e-commerce-web-scraping-tools) [ python blocking headless-browser ### How to Scrape Skyscanner Flight Prices in Python (2026) Learn how to scrape Skyscanner flight results in Python by building deep-link URLs, rendering the search, and capturing the itiner... Aug 14, 2026 24 min read ](https://scrapfly.io/blog/posts/how-to-scrape-skyscanner) [ python blocking api ### How to Scrape DigiKey Electronic Component Data in 2026 Scrape DigiKey pricing, stock, and parametric specs past its Cloudflare challenge, and learn when the official API v4 is the bette... Aug 13, 2026 22 min read ](https://scrapfly.io/blog/posts/how-to-scrape-digikey) [ http python blocking ### 8 Best Python HTTP Clients for Web Scraping in 2026 Compare 8 Python HTTP clients for scraping on async, HTTP/2, HTTP/3, TLS impersonation, and maintenance, with runnable examples. Aug 11, 2026 20 min read ](https://scrapfly.io/blog/posts/best-python-http-clients) [ blocking tools anti-bot ### Browser Fingerprint Testing Tools for Web Scraping in 2026 A layer-by-layer diagnostic guide to Scrapfly's fingerprint and bot detection tools, what detectable results mean, and how to fix ... Aug 07, 2026 17 min read ](https://scrapfly.io/blog/posts/best-browser-fingerprint-testing-tools) [ blocking ### How to Bypass AWS WAF when Web Scraping in 2026 Learn how AWS WAF Bot Control detects web scrapers across five layers, how to identify an AWS WAF block from its response signatur... Jul 24, 2026 14 min read ](https://scrapfly.io/blog/posts/how-to-bypass-aws-waf-when-web-scraping) [ blocking headless-browser scrapeguide ### Puppeteer vs Playwright for Web Scraping Puppeteer vs Playwright for web scraping, compared on browsers, waiting, contexts, CDP, speed, and stealth, with a decision guide ... Jul 20, 2026 14 min read ](https://scrapfly.io/blog/posts/puppeteer-vs-playwright) [ python blocking headless-browser ### Best Stealth Browsers for Web Scraping in 2026 A neutral, benchmark-literate ranking of the best open-source stealth browsers for web scraping in 2026, with the success, speed, ... Jul 15, 2026 17 min read ](https://scrapfly.io/blog/posts/best-stealth-browsers) [ http blocking proxies ### Akamai Bot Manager: Understanding \_abck Cookies and Sensor Data Deep technical guide to Akamai Bot Manager detection layers, \_abck and ak\_bmsc cookies, sensor data mechanics, JavaScript challe... Jul 13, 2026 14 min read ](https://scrapfly.io/blog/posts/akamai-bot-manager-understanding-abck-cookies-and-sensor-data) [ blocking ### How Anti-Bot Detection Works Discover how anti-bot systems work by assigning a 'trust score' to every request. This guide breaks down the 5 key detection layer... Jul 07, 2026 17 min read ](https://scrapfly.io/blog/posts/how-anti-bot-detection-works) 1 [2](https://scrapfly.io/blog/tag/blocking?page=2) [3](https://scrapfly.io/blog/tag/blocking?page=3) … [6](https://scrapfly.io/blog/tag/blocking?page=6) [ ](https://scrapfly.io/blog/tag/blocking?page=2) Page 1 of 6 · 61 articles ## ? Quick Answers about blocking - [ Q Web scraping - what is HTTP 403 status code? ](https://scrapfly.io/blog/answers/403-status-code) - [ Q Web scraping - what is HTTP 429 status code? ](https://scrapfly.io/blog/answers/429-status-code) - [ Q What is 444 status code and how to avoid it? ](https://scrapfly.io/blog/answers/444-status-code) - [ Q Web scraping - what is HTTP 499 status code? ](https://scrapfly.io/blog/answers/499-status-code) - [ Q Web scraping - what is HTTP 503 status code? ](https://scrapfly.io/blog/answers/503-status-code) - [ Q Web scraping - what is HTTP 520 status code? ](https://scrapfly.io/blog/answers/520-status-code) - [ Q What are Cloudflare Errors 1006, 1007, 1008? ](https://scrapfly.io/blog/answers/cloudflare-error-1006-1007-1008-access-denied) - [ Q What is Cloudflare Error 1009? ](https://scrapfly.io/blog/answers/cloudflare-error-1009-access-denied-country-or-region-banned) - [ Q What is Cloudflare Error 1010? ](https://scrapfly.io/blog/answers/cloudflare-error-1010-browser-signature) - [ Q What is Cloudflare Error 1020? ](https://scrapfly.io/blog/answers/cloudflare-error-1020-access-denied) - [ Q How to scrape Perimeter X: Please verify you are human? ](https://scrapfly.io/blog/answers/perimeterx-verify-press-and-hold) ## Ready to scale your web scraping? Anti-bot bypass, browser rendering, and rotating proxies, all in one API. [Try Scrapfly for FREE](https://scrapfly.io/register)