Price tracking tool: Real-time price comparison system

How do you play around with price tracking tools? Hands-on tips to save money

Recently, a lot of friends asked Lao Zhang, said online shopping is always big data to kill, the same product in different platforms price difference can be up to 30%. this matter I specifically did a test, found that a brand hair dryer in the three platforms price difference of up to 87 dollars, if there is no real-time monitoring tool, the ordinary user can not be discovered.

Three Reasons Why You Must Use Proxy IPs for Price Monitoring

Trying to get my own price comparison system.The biggest headache is getting your IP blockedThe first is a real case. To cite a real case: last year, an e-commerce platform to request more than 5 times per minute IP directly black. This time it is necessary to rely on proxy IP:

1. Rotate different IP addresses to simulate real user behavior
2. Access to pricing strategies for different regions (some items will be priced regionally)
3. Break through the limit of access frequency of single IP

Here's the kicker.Residential Proxy IPThe importance of the Many platforms are now able to recognize server room IPs, and the success rate of using residential IPs can be increased by more than 60%. We recommend ipipgo service provider, their residential IP pool covers 200+ cities, especially suitable for this need to simulate the real user scenarios.

Build your own price comparison system in five minutes

In Python, for example, you can get a basic version of a monitoring tool with the requests library + proxy IP. Note these key points:

import requests
from time import sleep

def check_price(url):
    proxies = {
        "http": "http://username:password@gateway.ipipgo.com:9020",
        "https": "http://username:password@gateway.ipipgo.com:9020"
    }

    try.
        response = requests.get(url, proxies=proxies, timeout=10)
         Add the price parsing logic here
        return price
    except Exception as e.
        print("Crawl error:", str(e))
        return None

while True: current_price = check_price("Price")
    current_price = check_price("Product Link")
    if current_price < set threshold: send_alert("check_price("Product Link")")
        send_alert("Price drop alert!")
    sleep(3600) check once an hour

focus on: Proxy account to go to the official website of ipipgo to register to get, their new users to send 1G traffic trial. It is recommended to set random intervals (e.g. 55-65 minutes) to avoid fixed cycles being recognized.

A Guide to Avoiding the Pit: Mistakes People Make with 90%s

White QA: you must have encountered these problems before

Q: Can't I build my own proxy server?
A: self-built agent maintenance costs are too high, ipipgo this kind of professional service providers 1 month cost is not enough to buy a cup of coffee, the key is to save the heart

Q: Why do you recommend ipipgo?
A: They have three major advantages: ① IP survival time of up to 6 hours ② support on-demand customized city lines ③ 7 × 24 hours live customer service

Q: Will I be sued by the platform?
A: As long as no malicious crawling is involved (no more than 3 requests per second is recommended), normal price comparison falls under the legal category. It is safer with ipipgo's compliance package

Practical skills: this use proxy IP efficiency doubled

It is recommended to use proxy IPs in groups of three:

1. High Frequency Group: 10 IP polling for regular requests
2. Backup group: 5 IPs for unexpected blocking
3. Special group: 3 mobile network IPs to capture exclusive mobile prices

ipipgo's admin backend can create such grouping policies directly, and also set up auto-switching rules. Recently they came out with a smart routing feature that automatically selects the fastest line, and the measured latency has been reduced by about 40%.

Final reminder: the comparison tool should be setEarly warning of price fluctuationsThe suggestion is alerted when it exceeds 5%. With the historical price curve function, you can clearly see the merchant's price adjustment set. Next time you encounter a big promotion, don't be silly and order directly!