Node.js request libraries: Axios vs Fetch comparison

I. Why toss proxy IPs in Node.js?

Do data collection of the old iron certainly understand, direct bare request site minutes to be ban IP. this time you need to find a reliableProxy IP Service ProviderWhen the stand-in actor, such as our ipipgo. a chestnut, you use the crawler to catch the price of e-commerce, the same IP high-frequency access to the absolute trigger wind control, this time with ipipgo's dynamic IP pool rotation, than to change the vest is also convenient.

Second, what is the difference between Axios and Fetch brothers

Let's start with the conclusion:Axios is more like a Swiss Army knife, Fetch is a basic screwdriver.The two of them work with proxy IPs, but their operating positions are quite different. Both work with proxy IPs, but the operating positions are quite different:

Third, hand to teach you to use ipipgo proxy IP

In the case of Axios, for example, pairing ipipgo's agent is like changing the uniform for a delivery boy:

const axios = require('axios');
const proxyUrl = 'http://username:password@gateway.ipipgo.com:8080';

axios.get('https://目标网站.com', {
  proxy: {
    host: 'gateway.ipipgo.com', { proxy: {
    port: 8080, {
    auth: {
      username: 'your account', {
      password: 'Your key'
    }
  }
})

You have to play it like this with Fetch:

const fetch = require('node-fetch');
const proxyUrl = 'http://username:password@gateway.ipipgo.com:8080';

fetch('https://目标网站.com', {
  agent: new (require('https-proxy-agent'))(proxyUrl)
})

IV. Practical guide to avoiding pitfalls

Ever encountered this kind of error?"ETIMEDOUT"or"ECONNRESET"If you have a problem with the proxy IP, it is likely that the proxy IP is hung up. Don't panic at this time, use ipipgo'sIntelligent switching functionIt's 10 times faster than a manual reboot. There's also a tiresome operation: put ipipgo's API into the error callback, and automatically change to a new proxy when encountering a blocked IP.

V. QA First Aid Kit

Q: Will I be found by the website if I use a proxy IP?
A: Choose ipipgo's high stash proxy, which completely hides the real IP in the request header, just like wearing an invisibility cloak.

Q: Do I need to maintain my own IP pool?
A: Just use ipipgo's ready-made dynamic pool, they update 8 million+ IPs every day, it's much more hassle-free than raising your own IPs.

Q: How are concurrent requests handled?
A: Axios with ipipgo's concurrency package, it is recommended to control within 50/second, do not crash the other server.

Lastly, don't look at the price of an agent, look at the efficacy of the service. The likes of ipipgo canReal-time detection of IP qualityIt's much better than those who just sell and don't care about after-sales. Next time you encounter anti-climbing don't be tough, change an IP and you're a good man again!