Crawler Proxy: Rotating IP Anti-Blocking Service Provider

Why are crawlers always blocked? You may have stepped on these three potholes

What is the biggest headache for friends engaged in crawling? It's not the code errors, not the data garbled, but theJust ran up and got IP blocked.. A lot of newbies think they can just buy any agent and it works:

1. Use a fixed IP frantic request, people's websites in 5 minutes to pull black
2. Poor proxy IP quality, even 10 requests can not hold up to the failure of the
3. Switching IP is too troublesome, you have to restart the crawler program manually.

It's like using the same key to unlock the door 100 times... who will the security guards arrest if not you? The real solution is really just one sentence:Let the IP switch at any time like the Sichuan opera changing faceThe

Dynamic IP pool is the king of anti-blocking

There are two types of agency services on the market:

You have to go with dynamic proxies for crawlers, especially ones likeipipgoThis kind of service provider specializes in rotating IPs. They have tens of millions of IP addresses in their IP pool, and they automatically change to a new vest with every request, so the site is simply too late to block.

Hands on with ipipgo to build a protective shield

In the case of ipipgo's rotating agents, for example, the access process is simpler than bubblegum:
1. Select the "Dynamic Residential Agent" package after registering.
2. Set the proxy port in the crawler code (remember to turn on the automatic switch)
3. Set the request interval parameter, do not let the new IP come up to the rush

Their backend can see IP change records in real time, like this:
1st request ➔ Japan IP
2nd request ➔ Germany IP
3rd request ➔ Brazilian IP...
Each IP is used only once and then discarded, perfectly avoiding the wind control system.

Choose a service provider by looking at these four hard indicators

Don't just look at the price, these parameters determine life and death:
- IP pool size: at least a million to start
- Success rate: less than 95% direct passes
- Protocol support: must have both HTTP/HTTPS
- Geographic location: be able to specify country or city

ipipgo has done a pretty conscientious job with this piece, especially theirFailure Retry MechanismThe service will automatically switch to 3 spare IPs if a request fails. If an IP fails a request, it will automatically switch to 3 spare IPs to take over, which is much more reliable than those services that get stuck when they fail.

Frequently Asked Questions First Aid Kit

Q: How often is it appropriate to change IPs?
A:Look at the target site's anti-climbing intensity. Ordinary site 1 minute to change 1 time, harsh e-commerce site is best to change every request.

Q: What should I do if I slow down after using a proxy?
A:Check if geolocation filtering is on. ipipgo suggests prioritizing transit nodes in your home country, and the latency can be controlled within 200ms.

Q: Do free proxies work?
A:Don't! Those public proxy pools have long since been gripped by reptilians, and using them is the same as running around naked.

As a final rant, the whole anti-blocking thing is like a cat and mouse game. Instead of tossing your own IP pool, you should find an IP pool like theipipgoSuch a service provider specializing in rotating agents. Their intelligent routing algorithms do have two brushes, our team climbed the price data of an e-commerce platform, ran for 3 months without turning over. Remember, professional things to professional IP, we spend energy on data cleaning does not smell good?