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This article mainly explains "what is the reason for anti-crawler on the website". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. let's study and learn "what is the reason for anti-crawler on the website?"

There are many business or web pages on the Internet that do not require user login. These login-free pages usually contain a large amount of aggregated information, such as news portals. Video portal. Search engines, which are public, can be captured by crawlers.

Why should the website be anti-crawler?

Crawlers account for a high proportion of the total PV, resulting in a waste of server resources.

The cost of using the program to make URL requests to obtain data is very low, which causes a large number of low-quality web crawlers to run rampant on the network, resulting in a large number of visits to the target website, resulting in a large consumption of server resources, slightly affecting the access speed of normal users, or causing website services to be unavailable.

The resources that the company can inquire about for free are acquired in batches and lose their competitiveness.

The price of many software can be queried directly in the non-login state, if there is no worry, competitors can copy web page information in batches and grab the price of the software. Resources and other information, over a long time, the competitiveness of enterprises will be greatly reduced.

What kind of reptile are we fighting?

1, malicious competition, scalpers use malicious crawlers to cross the airline's low-cost tickets, while initiating a batch of machine requests to occupy seats.

It leads to the waste caused by the continuous occupation of flight seat resources, and finally leads to the high vacancy rate of flights, which brings business losses to airlines and harms the interests of normal users.

2. No one wants to stop themselves. Nearly 60% of Internet traffic is caused by crawlers.

The site has set restrictions on these crawlers. To prevent crawlers from crawling data. Even when grabbing data, the reptile will still work tirelessly. That's because some crawlers reside on a server and are in an unclaimed state.

3, peer competitors, companies need data to analyze user behavior, defects of their own products and competitors' information.

Will crawl past competitors' information, such as e-commerce sites. Recruitment websites will crawl the product information of competitors, in order to ensure the competitiveness of their products, enterprises often aim at this kind of crawler products.

4. The number of hits on the website.

The purpose of advertising is often to get in touch with the potential consumers in line with the location of the website, but because of the click fraud caused by malicious crawlers, the click rate of the advertisement is falsely high, which makes the website bear the click cost that it should not bear. It has brought the actual loss of benefits to the website.

Thank you for your reading. The above is the content of "what is the reason for anti-crawler on the website?" after the study of this article, I believe you have a deeper understanding of what is the reason for anti-crawler on the website. the specific use of the situation also needs to be verified by practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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