What can random IP generation really do? Watch these scenarios to understand
Guys may have encountered such a situation: obviously their network speed is not bad, but some sites just can not open. Or do data collection, just grab a few pages on the blocked IP. this time if you canSwitch between IP addresses of different regions anytime, anywhere, things are much better.
To give a real example, those who do e-commerce often have toprice comparison monitoring. For the same product, the price difference between a Beijing user and a Guangzhou user may be tens of dollars. If you can use local real IP to visit, the data you get is reliable. Another example is to do APP promotion, you have to verify that the ad material seen in different cities is not the right version, this time there are not a few regional IP can not play.
Self-built proxy server vs. off-the-shelf service - what's the best deal?
The first reaction of many technical old man is to build their own proxy server, but the actual operation of the pit know quite a lot. Let's make a table to compare:
Build Your Own Server | Services such as ipipgo | |
---|---|---|
Initial cost | Buy servers + O&M at least 3000/month | Try it for as little as $9.90 |
Number of IPs | Dozens of fixed IPs at the end of the day | Dynamic pools with millions of IPs |
Geographical coverage | You'll have to find your own server room. | 200+ country regions automatically assigned |
maintenance difficulty | Fighting the firewall every day. | API calls are ready to go |
Special note: The biggest pitfall of self-hosted servers is theIPs are easily taggedThe first thing I'd like to do is to get a new server for my friend to use. Last year, there is a crawler friend, spend a lot of money to get 20 servers, the results of three days by the target site blacklisted, blood money.
Hands-on with ipipgo for geographic simulation
Here's an example of an e-commerce price comparison scenario in five steps:
1. Go to the ipipgo website to register (for newcomers).3-Day Free TrialDon't miss it.)
2. Select "Dynamic IP Pool" on the console - select the desired city.
3. Copy the API access address to the crawler scripts
4. Setting up automatic IP change for every 5 requests
5. Start a timed task to run the data automatically every day
Here's the key point.Request frequency control. It is recommended to set it up like this:
30-second breaks for every 10 pages scratched → replace with a new IP → Random wait of 3-8 secondsAnd then continue. This is less likely to trigger backcrawl and more efficient.
Don't step on these potholes.
- Don't buy a shared IP pool on the cheap, nine out of ten users will be blocked.
- testing phaseBe sure to keep a log.If something goes wrong, it can be pinpointed quickly.
- Don't be so tough when it comes to CAPTCHA, go on the coding platform.
- Highest collection success rate from 2-5am (loose website protection strategy)
- Overseas IP remember to match the time zone parameter, otherwise it will be easy to be exposed
QA time: what you might want to ask
Q: Do I need to maintain my own IP library?
A: No need at all! ipipgo's IP pool is automatically updated every hour, much more reliable than our own maintenance.
Q: Will it be troublesome to switch IPs?
A: Their home API supportsAutomatic switching by count/timeYou can just set up the strategy in the background, you don't have to do it manually at all.
Q: What should I do if I am blocked?
A: ipipgo has an "IP First Aid Mode", which detects abnormalities and automatically switches lines, and has been tested to reduce the probability of banning 80%.
Finally said a heartfelt: instead of tossing the self-built agent, it is better to directly on the ipipgo this kind of professional services. Now the market competition is fierce, each family is fighting the quality of service. Like their family just recently on-lineReal-time IP quality monitoringFunctions, which IP can be used, which will be scrapped, the background to see clearly, than their own blind folding much better.