Comprehensive explanation of "search engine crawl"

Web page capture brings infinite business opportunities to enterprises , It can help them make strategic decisions based on public data . however , Before we start to consider implementing web crawling in daily business operations , Determining the value of information is critical . In this article ,Oxylabs Will crawl around search engines 、 Useful data sources 、 Discuss the main challenges and solutions .

What is search engine crawl ？

Search engine crawl is automatic collection URL、 Describe the process of public data such as information and other information from search engines .

To obtain publicly available data through search engines , Special automation tools must be used , Search engine crawler .

Useful data sources from search engines

Usually , Enterprises from SERP（ Search engine results page ） Collect public data to improve your ranking , And bring more organic traffic to its website . Some enterprises will even crawl search engine results and provide their own insights , In order to help other companies stand out from search results .

Search engine results crawl

The most basic information that enterprises collect from search engines is the keywords related to their industry and the ranking of search engine result pages . By understanding the best practices to improve the ranking of search engine results pages , Enterprises can generally determine whether they should follow the practices of their competitors .

SEO monitor

Most of the time , Using the search crawler helps SEO monitor . Search engine results page provides a variety of public information , Include page title 、 describe 、 Rich text abstracts and knowledge maps .

Digital advertising

By crawling search results , Digital advertisers can know when and where competitors' advertisements are displayed , So as to gain competitive advantage . Of course , This does not mean that digital advertisers can use these data to copy other advertisements .

Picture capture

In some cases , Capturing publicly available images from search engines can help achieve a variety of purposes , Such as brand protection and SEO Strategy improvement .

To avoid any potential risks , Please be sure to consult your legal counsel before capturing the picture .

Shopping results capture

Popular search engines have their own shopping platforms , For many enterprises to promote their products . Collect price 、 Comment on 、 Public information such as product titles and descriptions can also help monitor and understand competitors' product brands 、 Pricing and marketing strategy .

News capture

News platform is a popular search engine , It has become one of the important resources for media researchers and enterprises . The latest information from mainstream news portals converges , Make it a huge public database , Can be used for various purposes .

Other data sources

Researchers can also collect public data about specific scientific cases from many other search engine data sources . The most noteworthy is academic search engine , It includes the scientific publications of the whole network . among , title 、 link 、 Quote 、 Related links 、 author 、 Publishers and clips are public data that can be collected for research .

Whether capturing search engine results is legal ？

The legitimacy of web crawling has always been a controversial topic among practitioners in the field of data collection . It is worth noting that , Without violating any laws relating to the source target or the data itself , Web crawling is allowed . therefore ,Oxylabs​​​​​​​ It is recommended that you seek legal advice before carrying out any form of capture activities .

How to grab search results ？

Search engines are using increasingly sophisticated methods to detect and screen web crawlers , This means that more measures must be taken to avoid being shielded .

• To capture search engine results , You can use agent . Through agency , You can access geographically restricted data , So as to reduce the shielding risk .

• Rotation IP Address . You should not use the same for a long time IP Address search engine crawl . To avoid shielding , It is recommended that you do it in the web page crawl project IP Rotation .

• Optimize the grab process . Collecting a large amount of data at one time will increase the screening risk . Please avoid sending a large number of requests to the server .

• Set up The most common HTTP header And fingerprints . This is a very important but often overlooked method , Help reduce the risk of web crawler being blocked .

• Look at the HTTP Cookie Management strategy . You should replace it every time IP Disable after address HTTP Cookie Or clear it . Constantly explore the most appropriate method for your search engine crawling process .

  Data collection solutions ：SERP Reptiles API

  Although the above tips may be helpful , But following these tips is not easy . You may prefer to focus on data analysis rather than data collection . Consider this ,Oxylabs Launched a more relaxed 、 More effective search engine results page data collection solutions ——SERP Reptiles API.

  With this powerful tool , You can extract massive public data in real time from mainstream search engines .SERP Reptiles API It has become a keyword data collection 、 An effective assistant in advertising data tracking and brand protection .

  The challenge of search engine crawling

  Capturing the data of search engine results page can create great value for all kinds of enterprises , But at the same time It brings many challenges , It makes the process of web page crawling quite complicated .

  IP shielding

  without Plan properly ,IP Shielding may cause many problems . Search engines can identify users IP Address . In the process of web page grabbing , The web crawler sends a lot of requests to the server , To get the required information . If these requests always come from the same IP Address , This will result in the address being masked as coming from an abnormal user .

  CAPTCHA Verification Code

  Another common safety measure is CAPTCHA Verification Code . If the system suspects that a user is an automated program , Will pop up CAPTCHA Captcha test , Ask the user to input the corresponding verification code or identify the object in the picture . You must use sophisticated web crawler to handle CAPTCHA Verification Code , Because such verification often leads to IP shielding .

  Unstructured data

  Extracting data is only half the success . If the acquired data is unstructured data that is difficult to interpret , Then all efforts may be in vain . therefore , Before choosing a web crawler , Think carefully about the data format you want to return .

  summary

  Search engines provide all kinds of valuable public data . With this information , Enterprises can make decisions based on accurate data and implement effective business strategies , So as to stand out in the market , Achieve revenue growth . If you have any questions or want to try our products , You can see Our article , You can also visit our at any time Website Contact customer service , We will do everything we can to help .