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You're reading from  Go Web Scraping Quick Start Guide

Product typeBook
Published inJan 2019
Reading LevelIntermediate
PublisherPackt
ISBN-139781789615708
Edition1st Edition
Languages
Go
Tools
golearn
Concepts
Data Analysis
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Author (1)
Vincent Smith
Vincent Smith
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Vincent Smith

Vincent Smith has been a software engineer for 10 years, having worked in various fields from health and IT to machine learning, and large-scale web scrapers. He has worked for both large-scale Fortune 500 companies and start-ups alike and has sharpened his skills from the best of both worlds. While obtaining a degree in electrical engineering, he learned the foundations of writing good code through his Java courses. These basics helped spur his career in software development early in his professional career in order to provide support for his team. He fell in love with the process of teaching computers how to behave and set him on the path he still walks today.
Read more about Vincent Smith

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Breadth-first versus depth-first crawling

Now that you have the ability to navigate to different pages, as well as the ability to avoid getting stuck in a loop, you have one more important choice to make when crawling a website. In general, there are two main approaches to covering all pages by following links: breadth-first, and depth-first. Imagine that you are scraping a single web page that contains 20 links. Naturally, you would follow the first link on the page. On the second page, there are ten more links. Herein lies your decision: follow the first link on the second page, or go back to the second link on the first page.

Depth-first

If you choose to follow the first link on the second page, this would be considered...

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Go Web Scraping Quick Start Guide
Published in: Jan 2019Publisher: PacktISBN-13: 9781789615708
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Vincent Smith

Vincent Smith has been a software engineer for 10 years, having worked in various fields from health and IT to machine learning, and large-scale web scrapers. He has worked for both large-scale Fortune 500 companies and start-ups alike and has sharpened his skills from the best of both worlds. While obtaining a degree in electrical engineering, he learned the foundations of writing good code through his Java courses. These basics helped spur his career in software development early in his professional career in order to provide support for his team. He fell in love with the process of teaching computers how to behave and set him on the path he still walks today.
Read more about Vincent Smith

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