Design a web crawler
- Step 1: Outline use cases and constraints. Gather requirements and scope the problem. ...
- Step 2: Create a high level design. Outline a high level design with all important components.
- Step 3: Design core components. Dive into details for each core component. ...
- Step 4: Scale the design.
What is a web crawler system design?
Web Crawler Design For Interview Questions. ... Also known as spider, spiderbot, and crawler, a web crawler is a preliminary step in most applications where several sources on the World Wide Web are to be utilized. No wonder, Google and all other search engines use web crawlers to collect data from websites.
What is web crawler example?
For example, Google has its main crawler, Googlebot, which encompasses mobile and desktop crawling. But there are also several additional bots for Google, like Googlebot Images, Googlebot Videos, Googlebot News, and AdsBot. Here are a handful of other web crawlers you may come across: DuckDuckBot for DuckDuckGo.
