What is HTTP 499? First understand the problem where the brothers engaged in web development should have seen this broken code - HTTP 499. Simply put is that the client suddenly give up and do not do, such as the user can not wait for the page to load directly off the browser. At this time, the server has not finished passing data, only ...

Teach you to use proxy IP to the crawler "renewal" Brothers engaged in crawling should have encountered such a scenario: the code is clearly no problem, but suddenly stuck, and then after a while directly to you to report an error. At this time, eighty percent of the site's anti-climbing mechanism stared at, just like playing the game by the system check...

When the crawler hit the Facebook copper and iron wall The old iron people who are involved in data collection know that Facebook's anti-climbing system is stronger than a security door. Ordinary server room agents are like wearing work clothes to break into the banquet hall, minutes by the security guards out. At this time, it is necessary to move out of the residential agent of this magic weapon, it is like letting the crawler wear a neighbor...

French proxy IP in the end can do what? These scenarios you may not have thought of friends engaged in network projects know that the French IP is sometimes particularly important. To cite a real example, last year there is a red wine purchasing buddy, with ordinary IP is always the French e-commerce platform sealed, change the static residential IP immediately resolved. Here said ...

2026年免费代理IP现状：能捡漏还是纯坑爹？ 最近好多人在后台问老张，网上那些免费代理IP到底能不能用。这事儿就像路边摊的烤串，闻着香但吃完可能拉肚子。先说结论：应急能用，长期用必翻车。今年爬虫党明…

When the crawler meets JSON data, proxy IP can help what help? Many just learned to crawl partners have encountered this situation: obviously got the web page to return the data, open a look at all the dense JSON strings, this time we have to come out of our json.loads () to help. However, the light will not parse ...

What is the use of mobile proxy? What are you most afraid of when surfing the web nowadays? It's not the slow speed of the Internet, it's the IP being blocked at any time! Old Zhang, who is engaged in data collection, has recently been so worried that his hair has turned white - the account he just registered has not been used for two days, and the system prompts "access abnormality". At this time, if there is a reliable...

When the crawler meets the fire? Try this set of proxy IP combo punch The old iron people who are involved in data collection should understand that now the website anti-climbing mechanism is getting more and more ruthless. Yesterday can still use the crawler, today may be blocked IP. If you don't have some proxy IP skills, you will have to stop working in minutes. We do not organize those false today ...

The Secret Weapon All Data People Use Recently, I ran into an old man who does cross-border e-commerce, and he said that the biggest headache every day is that he can't guess what foreigners are searching for lately. If you use Google Trends to check the data, it will always show some unpleasant results. Later, I found a way - using residential agents with Google Trends API, I can dig...