February 2018
Beginner to intermediate
364 pages
10h 32m
English
Content preview from Python Web Scraping Cookbook
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Crawling using the sitemap
A sitemap is a protocol that allows a webmaster to inform search engines about URLs on a website that are available for crawling. A webmaster would want to use this as they actually want their information to be crawled by a search engine. The webmaster wants to make that content available for you to find, at least through search engines. But you can also use this information to your advantage.
A sitemap lists the URLs on a site, and allows a webmasters to specify additional information about each URL:
- When it was last updated
- How often the content changes
- How important the URL is in relation to others
Sitemaps are useful on websites where:
- Some areas of the website are not available through the browsable interface; ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.