With the development of the Internet, more and more people choose to book travel accommodation online, and Booking, as the world's largest online hotel booking platform, has naturally become one of people's preferred websites.
First, we need to understand what an agent is. A proxy is a server that acts as a middleman between the client and the target server, receiving the client's request and forwarding it to the target server.
When crawling web pages, the proxy can hide the user's real IP address to prevent it from being blocked by the target server, and can also speed up the crawling process.
HTTP proxy is the simplest and most commonly used proxy method. It can hide the user's real IP address by setting HTTP request headers, and can change the IP address by setting a proxy pool to avoid being blocked by the target server.
In addition, the HTTP proxy can also set the request delay and concurrency number to improve crawling efficiency. However, you may encounter some problems when using an HTTP proxy to crawl Booking web pages.
Therefore, using a headless browser to crawl the Booking web page can obtain more accurate and complete data. In addition, the headless browser can also set the request delay and concurrency number to improve crawling efficiency.
However, headless browsers also have some disadvantages compared to HTTP proxies. First of all, running a headless browser consumes more resources, which may lead to slower crawling speeds. Secondly, headless browsers may be recognized by the target server and take anti-crawler measures, resulting in crawling failure.
Because the HTTP proxy can change the IP address by setting up a proxy pool to avoid being blocked by the target server, and can set the request delay and concurrency number to improve the crawling efficiency.
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