Master the Art of Staying Undetected While Web Scraping
Websites use bot detection to protect their servers from being overwhelmed, prevent data theft, and maintain user experience. Understanding how these systems work is crucial for developing effective bypass strategies.
This guide is for educational purposes and legitimate business use cases. Always respect websites' Terms of Service and applicable laws. Consider seeking permission before scraping large amounts of data.
Anti-detect browsers are specialized tools that allow you to create multiple browser profiles with unique fingerprints.
Professional anti-detect browser with advanced fingerprint management. Supports Chrome and Firefox profiles.
Contact for pricingEnterprise-grade solution with Mimic (Chrome) and Stealthfox (Firefox) browsers.
Contact for pricingBudget-friendly option with good fingerprint spoofing capabilities.
Contact for pricing# Python example - Random delays between requests
import time
import random
def smart_delay():
# Random delay between 1-5 seconds
delay = random.uniform(1.0, 5.0)
time.sleep(delay)
# Use between requests
response = requests.get(url)
smart_delay() # Wait before next request
# Python example - User-Agent rotation
user_agents = [
'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36'
]
headers = {
'User-Agent': random.choice(user_agents),
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'keep-alive',
}
Rotate between common resolutions: 1920x1080, 1366x768, 1440x900, 1280x720
Match your proxy location's timezone and use appropriate language settings
Use browsers that can spoof WebGL renderer and canvas fingerprints
Disable or spoof browser plugins that can be fingerprinted
Best for avoiding detection. Real IP addresses from ISPs.
Mobile carrier IPs. Excellent for social media scraping.
Fast and cheap, but easier to detect and block.
Most popular service with support for all CAPTCHA types including reCAPTCHA v2/v3.
High-quality service with fast response times and good accuracy.
Budget-friendly option with reliable service.
Industrial-strength framework with built-in proxy support and request rotation.
AdvancedBrowser automation with stealth plugins for JavaScript-heavy sites.
IntermediateWeb browser automation with extensive language support.
BeginnerStealth plugin for Puppeteer to avoid detection.
EssentialModified ChromeDriver that's harder to detect.
PopularStealth plugin for Playwright automation.
NewAlways read and understand the website's Terms of Service before scraping. Many sites explicitly prohibit automated access.
Respect robots.txt files, which indicate which parts of a site should not be accessed by crawlers.
Comply with GDPR, CCPA, and other data protection regulations when collecting personal information.
Consider the impact of your scraping on the website's servers and other users. Avoid overloading systems.
A: Using high-quality residential proxies combined with proper request rate limiting. These two factors alone can dramatically improve your success rate.
A: No. Free proxies are unreliable, often already blocked, and may compromise your security. Invest in quality proxy services for better results.
A: Start with 1-2 requests per second and monitor the responses. Some sites can handle more, others require slower rates. Always err on the side of caution.
A: It depends on what and how you scrape. Public data is generally okay, but you must respect Terms of Service and applicable laws. Consult legal experts for commercial projects.
A: Browser automation (Puppeteer, Selenium) renders JavaScript but is slower and more detectable. HTTP requests are faster but can't handle dynamic content. Choose based on your needs.
A: Use browser automation tools like Puppeteer or Playwright with stealth plugins, or reverse-engineer the API calls to get data directly.
Our experts can handle the technical complexity while you focus on your business