Google Search Crawler Proxy IP | Anti-Crawler HF Access Stabilization Solution

Real User Scenario: Why is Google Crawler Always Blocked?

Anyone who has done data crawling knows that frequent visits to the Google search results page with a fixed IP will result in a CAPTCHA pop-up window in less than half an hour. This is not Google against anyone, but all high-frequency access to the server will trigger the defense mechanism. The server will record the access behavior of each IP, and when an address is found to initiate a large number of requests in a short period of time, it will be automatically determined as machine behavior.

Take a specific scenario: a cross-border e-commerce team needs to crawl Google's top 10 pages of product rankings every day. With a single server to capture directly, the first three requests can be normal to obtain data, the fourth on the 403 error code. This time simply reduce the frequency of requests will affect the efficiency of work, and theProxy IP Pool Rotation TechnologyThat's the fundamental solution.

Dynamic Residential IP vs Data Center IP Decision

There are two common types of proxy IPs on the market, and choosing the wrong one can lead to a more sensitive anti-climbing mechanism:

Courtesy of ipipgo90 million+ family home IPsComing from real home broadband, the usage record of each IP is no different from that of ordinary Internet users. In particular, its dynamic IP pool, which automatically switches between residential IPs in different countries every time you connect, improves survival time by 3-5 times over static IPs in crawler scenarios.

Three Steps to Build an Anti-Blocking Crawler System

Take the Python crawler as an example of core protection via ipipgo:

1. Request header camouflage
Randomly switch User-Agent in headers, it is recommended to prepare at least 20 sets of different browser logos. ipipgo's API interface can automatically carry real device information for mobile/PC.

2. IP rotation mechanism
Setting up automatic IP switching for every 3 completed requests, code example:

proxies = {
  "http": "http://username:password@gateway.ipipgo.com:端口",
  "https": "http://username:password@gateway.ipipgo.com:端口"
}

3. Request interval control
Although residential IPs are stealthy, it is still recommended to set a random delay of 3-8 seconds. Irregular intervals can be generated using timestamp fetch modeling.

A practical guide to avoiding the pit

Encountering these three signals indicates a problem with the agent configuration:

1. Continuous 403/429 status codes
2. The web page returns the CAPTCHA page
3. IP survival time less than 10 minutes

Solution:
Immediately stop the current crawler and check if the proxy license has expired. Check the IP usage history in the ipipgo console, and if IPs in a certain region fail frequently, it is recommended to switch to a residential IP in a laxly regulated region, such as Scandinavia.

Frequently Asked Questions QA

Q: How to test if the proxy IP is valid?
A: Test connectivity with the curl command first:
curl --proxy http://用户名:密码@gateway address -I https://www.google.com
Observe if the returned HTTP status code is 200

Q: How to deal with IP blocked?
A: Don't change the new IP immediately, this will be recognized as abnormal behavior. Wait for 15-30 minutes before enabling a new residential proxy, it is recommended to prioritize the use of ipipgo'sHigh Stash Residential IPThe egress traffic of such IPs is mixed with normal users and is much more stealthy.

Q: What if I need to collect data from multiple countries?
A: ipipgo support global 240 + countries and regions directed IP access, add country_code field in the API request parameters to specify the target country, for example&country_code=DEGet a German residential IP.