What to do when a website is waving its hands at you? Recently, a friend doing data crawling complained to me that his program was running and suddenly received a 429 status code, just like going to the supermarket to buy something was stopped by the security guard and said, "Buy too much today and come back tomorrow". This situation is professionally called request frequency...

Why crawl Yelp must use residential agent? The old iron engaged in web crawling know, like Yelp such a big platform anti-climbing mechanism than the cell gate control is more strict. Last year, I used a data center IP to crawl, just sent a few requests to be blocked IP, so angry that I almost smashed the keyboard. Later found that the residential proxy is the king, especially...

Teach you to use Python to retrieve the local proxy IP library Brothers engaged in network crawlers should understand that the local storage of hundreds of thousands of proxy IP is too normal. Today we take Python to disk a disk of these proxy IP in the JSON file, teach you how to quickly filter out the quality of resources can be used. Don't panic, ...

Free agent in the end reliable or not? Test experience sharing Finding a free proxy on the Internet is like picking fruit in the vegetable market - look at the bright and shiny, a bite may be sour teeth. Recently, I helped a friend to do a data collection project and tested 37 free proxy sources, and the result is less than 10%. There is a Russian proxy IP, and the test shows...

What is the use of Warsaw Residential Agent? Recently, a lot of cross-border e-commerce friends are asking about the Polish agent, especially the Warsaw residential IP, to put it bluntly, this thing is like a "local ID card", let's say you do Polish e-commerce platform Allegro, with the Warsaw IP log in the account, the platform will not...

What is the use of Irish proxy? Dublin IP can help you do something Recently, a friend always asked, want to get an Irish proxy IP in the end what is the use? Let's put it this way, if you are doing cross-border e-commerce, you want to see the price of local goods; or engaged in overseas marketing, you need to simulate the behavior of local users; or to do data capture ...

Teach you to pick a reliable proxy IP Recently, many friends doing e-commerce asked me why they collect commodity information is always blocked by the site? This thing is frankly the same as using the same ID card to go to the bank every day to withdraw money like, of course, the site to be vigilant. This time we need to proxy IP to help us take turns to change the vest, so that the net...

Crawler always be blocked IP, try this trick to save the life of the skills Do data crawl old drivers understand, the most headache is the target site suddenly blocked IP. two days ago, an e-commerce comparison of friends and I spit out, just run half an hour program IP was blacklisted. In fact, this thing really do not blame the site hard, frequent requests who are...