When the e-commerce data hit the R language old iron Recently a lot of e-commerce friends with me to spit, said that the data with Excel pickpocket is like using chopsticks to eat steak - laborious! Today we will nag how to use the R language rvest package the whole point of real. Focus on those sites anti-climbing mechanism, and our savior proxy IP in the end how to use ...

Is the free agent list reliable or not? Recently, many friends have asked me if those online platforms that boast "3000+ free agents worldwide" can be used. This is something that needs to be broken down. First of all, free agents are really like the supermarket tasting goods, can taste a fresh but no matter how full. For example, some platforms claim that every hour...

How does the Google Reverse Image Search API actually work? Anyone who does image search knows that Google's official API is getting harder and harder to deal with. First of all, the charge is ridiculously expensive, every thousand requests to charge 5 U.S. dollars, do a batch processing can make your wallet hemorrhage. Secondly, the geographic restrictions are particularly strict, many countries IP simply...

What to do when a website throws a 429 warning at you? The brothers who engage in data crawling must have seen this annoying prompt - 429 Too Many Requests. just like you go to the bank to do business, the teller to see you frequently insert the card directly lock the machine. At this time the most direct method of cracking, is to change the person to change the card to continue to do. The most direct way to crack the problem is to change the person who has the card and then continue to do it.

Proxy IP in the API authentication in the wonderful use of people in the call need to authenticate the authority of the API, often encountered by the server to limit the situation. Take a real scenario: the price monitoring system of an e-commerce platform, hundreds of times a day to access the data interface, the result of the third day of the IP was blocked. this time it is necessary to proxy IP...

Teach you to use cURL to hang proxy to grab data The old iron should be crawlers understand, direct bare access to the site in a minute to be blocked IP. this time we have to sacrifice the proxy IP this magic weapon, today we take the Swiss Army Knife in the command line cURL to demonstrate how to use the proxy IP to safely grip the data. First of all, the whole point ...

Where to choose a German agent? Frankfurt server room has a doorway Recently a lot of cross-border e-commerce friends to find me complaining, said the German e-commerce platform wind control is becoming more and more stringent, and not moving to seal the store. In fact, the key problem lies in the IP address - using domestic IP to log on to overseas platforms is as eye-catching as wearing a down jacket in a sauna. ...

These pits have you stepped on? Enterprises to buy proxy IP the most easy to pay tuition Doing data capture Mr. Zhang last week to find me complaining, just bought 5000 proxy IP has not been used for three days, half of them are invalid. Doing advertising Li is even worse, because of the repeated use of IP was blocked six advertising accounts. Now many proxies on the market...

First, why is your crawler always blocked?IP address is exposed! Recently, an e-commerce friend complained to me that the crawler script he wrote was blocked in three days. I took a look at the log records and found that the problem - this buddy with their own broadband IP rigid platform anti-climbing system, deserved to be blocked ah! It's like going to the supermarket to try the food...