Teaching or conference talk · for some experience
IR Lecture 10: Crawlers
This video is about 6 years old. Search advice changes quickly, so check this against current guidance.
About this video
Web crawlers are responsible for a large share of internet traffic, according to this lecture, which explains how they work, why crawling is hard and gives a short look at Nutch.
Good to know: University-style theory rather than SEO advice
Why watch it
A university-style lecture on how web crawlers work and why crawling is hard, with a short look at the open source crawler Nutch. Theory rather than SEO advice.
On the same topics
Official source
Do sitemaps still matter?
Sells in this field
Sitemaps are often treated as an afterthought - Carlos Manuel Sánchez Donate
Trade press or conference
065: Optimizing “Crawl Budget” To Improve Your Web Traffic w/Vanessa Fox