Crawler Proxy Dynamic ip why will be blocked? ip overuse recognition mechanism

First, why is your proxy IP always blocked? This layer of windowpaper must be broken

engage in crawling the old iron the biggest headache, is just with a good proxy IP not two days on the break. This thing is like going to the bathhouse rubbing - you think you hide quite well, in fact, the bath masters early on your back of the red birthmarks to see clearly. Website IP blocking routine, to put it bluntly on the three axes:

1. Unbelievably high frequency of requests

Imagine you hold a horn in the market shouting prices, shouting 50 times a minute "cabbage 50 cents", next to the food sellers do not take the broom to drive you only strange. The site will keep an eye on the same IP request interval, if more than 10 times faster than the normal human operation, directly pull the black no deal.

2. Behavioral patterns too robotic

Normal people brush the web page will randomly pause, switch pages, and crawlers are often like clockwork frogs - clicking rhythm is completely fixed. Some sites even count the time it takes for the page to load. Real users take 3 seconds to load an image, but your machine does it in 0.5 seconds, so it's not obvious that it's wearing out its welcome.

 The flip side: fixed interval access
import time
for page in range(100):
    requests.get(url, proxies=proxy)
    time.sleep(1.0) wait 1 second each time, immediately exposed

Second, the website to identify the seven weapons of IP

Don't think that changing the IP will be able to muddle through, now the site's detection means more sensitive than the supermarket scanning gun. Give you a peek at the common detection mechanism:

As a chestnut, when using ipipgo dynamic residential proxies, it is recommended to pair it with a randomized delay strategy like this:

 Correct posture: random delay + automatic IP change
from random import uniform
ip_pool = ipipgo.get_proxies() get dynamic IP pools

for page in range(100): proxy = random.choice(ip_pool)
    proxy = random.choice(ip_pool)
    requests.get(url, proxies=proxy)
    time.sleep(uniform(1.5, 5.0)) random wait 1.5-5 seconds

Third, ipipgo anti-blocking practical manual

Our Dynamic Residential Agent has 90 million + real home IPs, but you have to be able to use a good knife, right? Remember these three life-saving phrases:

1. Principle of equalization of flows

Don't catch a single IP to death, it is recommended that a single IP request no more than 200 times per hour. You can set up automatic switching rules like when you use the ipipgo enterprise package:

 Example of configuring an automatic switching rule
proxy_config = {
    "rotation": "per_request", change IP per request
    "sticky_session": False, "max_usage": 150 Maximum of 150 sessions for a single IP.
    "max_usage": 150 Maximum number of times a single IP can be used.
}

2. Fingerprint camouflage package

Remember to change your User-Agent every time you visit, preferably with a different browser fingerprint. It's like going out on a date and changing your clothes, don't always wear the same plaid shirt:

headers = {
    "User-Agent": random.choice(ua_list),
    "Accept-Language": "en-US,en;q=0.9",
    "X-Forwarded-For": proxy.ip Work with proxy IPs
}

IV. Soul torture QA time

Q: What should I choose between a dynamic IP and a static IP?

A: Crawlers that need to change IPs frequently choose dynamic residences (such as shoe-grabbing scripts), and businesses that need long-term stable IPs use static residences (such as account raising).

Q: What are the rotation sessions in the ipipgo package?

A: It's like changing the chopsticks in a hot pot, using a new IP for each request is called rotation mode, and keeping the same IP is called sticky session. It is recommended to use sticky session for CAPTCHA recognition and rotational mode for data collection.

Q: How do I detect if my IP is blocked?

A: Three tips to teach you to check yourself:

1. Directly visit the home page of the website to see if it jumps the verification code

2. Using the curl command to measure the key interface return status code

3. View IP health scores in the ipipgo console

V. Ultimate advice for veteran drivers

In the end, the key to preventing blocking isMake the site think you're a real person. When using ipipgo Dynamic Residential Proxy, remember the three don'ts: don't time fixed access, don't fix the order of operations, and don't ignore anomaly detection. It's like playing hide-and-seek, don't always hide in the same closet.

And finally, a hard sell: dynamic proxy support for ipipgo Enterprise Edition!City-level positioning + smart rotation strategyThe IP health degree monitoring system is a self-developed system, which can suppress the probability of IP blocking to below 5%. New user registration to send 5G test traffic, enough for you to catch 100,000 level data (secret code, do not ask, really no hidden promo code).