E-commerce website crawling: e-commerce agent data collection program

Why do e-commerce crawlers always roll over in real-world scenarios?

Do e-commerce data collection of the old iron understand, the most headache is just climb a few pages on the blocked IP. last year, there is a price comparison software team, with their own office network to capture data, the results of the next day the entire company IP segment was an e-commerce platform black, even normal access to the site are affected.

There's aThe key point that kills me.: Now the anti-crawl mechanism of the e-commerce platform has long been not just look at the frequency of visits. They will synthesize the judgment:

• Jump paths for different stores accessed from the same IP
• Standard deviation of page dwell time
• Mechanical degree of mouse trajectory
• Even the similarity of browser fingerprints

The right way to open a proxy IP

Many newbies think that just buy a proxy pool can solve the problem, in fact, there are many ways to go. Last year, during the double eleven, we have tested the effect of different proxy service providers:

Here's the kicker.Hybrid Proxy Pool for ipipgo, its home-originated intelligent routing technology does have two tricks up its sleeve. For example, it automatically uses a residential IP when grabbing the product detail page, and switches to a 4G dynamic IP when grabbing and monitoring, which is more than 40% higher than the success rate of a single type of proxy.

Teach you to build a collection system by hand

Here's a real-world level configuration scenario (in Python, for example):

import requests
from itertools import cycle

 API interface provided by ipipgo
PROXY_API = "https://ipipgo.com/api/get_proxy?token=YOUR_TOKEN"

def get_ipipgo_proxies():
    resp = requests.get(PROXY_API)
    return [f"{p['protocol']}://{p['ip']}:{p['port']}" for p in resp.json()]

proxy_pool = cycle(get_ipgo_proxies())

for page in range(1, 100): current_proxy = next(proxies)
    current_proxy = next(proxy_pool)
    try: current_proxy = next(proxy_pool)
        response = requests.get(
            url='https://target-site.com/products', proxies={"http": current_proxy, "https
            proxies={"http": current_proxy, "https": current_proxy},
            headers={
                'User-Agent': 'Mozilla/5.0 (Windows NT 10.0) AppleWebKit/537.36'
            },
            timeout=8
        )
         Processing data logic...
    except Exception as e.
        print(f "Failed with {current_proxy}, automatically switch to the next one.")

Be careful not to step in these three potholes:

1. Don't write dead User-Agent in code, have at least 50 common UA rotations ready to go
2. Don't set the timeout more than 10 seconds, or it will be easily recognized by the anti-climbing system.
3. Don't fight the captcha, change ipipgo's 4GIP and try again!

A Tearful Account of Practical Experience

Points summarized last year while helping a clothing company do competitive monitoring:

• price grabbing1 second/time intervalsafest
• Capturing comments should beSimulates real reading time(Random stops of 3-8 seconds)
• Recommended for store front page crawlingchrome headless mode+Dynamic IP
• Success rate of collection at 2-5am is higher than during the day by about 30%

Frequently Asked Questions QA

Q: What should I do if my proxy IP often times out?
A: eighty percent of the use of poor-quality agents, it is recommended to change into ipipgo enterprise-level packages, which has a special BGP optimization line

Q: How do I break the slider validation when I encounter it?
A: Don't try again and again on the same IP, use ipipgo's second cut IP function, change the IP and then with the automated test tool to deal with the

Q: What if I need to collect overseas e-commerce data?
A: ipipgo's global nodes cover 50+ countries, remember to add country_code=US in the API parameter.

Tell the truth.

Proxy IP this line of water is very deep, some service providers claim that millions of IP pool, in fact, are virtual machines forged. The main reason for choosing ipipgo is that it's the best way to get the most out of your home.Real Operator Partnership ResourcesThe IPs of these sites are all licensed. Last time, their technical director gave me a demonstration of black technology - according to the strength of the target site's anti-climbing automatically adjust the IP switching strategy, this is really not seen by other families.

Finally, do not use free proxy in the collection program, those IPs have been marked rotten by the major e-commerce platforms. Once I tested an open source proxy pool, 43 out of 50 IP actually in the blacklist, a waste of time.