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Go Web Scraping Quick Start Guide
Go Web Scraping Quick Start Guide

Go Web Scraping Quick Start Guide: Implement the power of Go to scrape and crawl data from the web

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Go Web Scraping Quick Start Guide

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Key benefits

  • Use Go libraries like Goquery and Colly to scrape the web
  • Common pitfalls and best practices to effectively scrape and crawl
  • Learn how to scrape using the Go concurrency model

Description

Web scraping is the process of extracting information from the web using various tools that perform scraping and crawling. Go is emerging as the language of choice for scraping using a variety of libraries. This book will quickly explain to you, how to scrape data data from various websites using Go libraries such as Colly and Goquery. The book starts with an introduction to the use cases of building a web scraper and the main features of the Go programming language, along with setting up a Go environment. It then moves on to HTTP requests and responses and talks about how Go handles them. You will also learn about a number of basic web scraping etiquettes. You will be taught how to navigate through a website, using a breadth-first and then a depth-first search, as well as find and follow links. You will get to know about the ways to track history in order to avoid loops and to protect your web scraper using proxies. Finally the book will cover the Go concurrency model, and how to run scrapers in parallel, along with large-scale distributed web scraping.

Who is this book for?

Data scientists, and web developers with a basic knowledge of Golang wanting to collect web data and analyze them for effective reporting and visualization.

What you will learn

  • Implement Cache-Control to avoid unnecessary network calls
  • Coordinate concurrent scrapers
  • Design a custom, larger-scale scraping system
  • Scrape basic HTML pages with Colly and JavaScript pages with chromedp
  • Discover how to search using the "strings" and "regexp" packages
  • Set up a Go development environment
  • Retrieve information from an HTML document
  • Protect your web scraper from being blocked by using proxies
  • Control web browsers to scrape JavaScript sites

Product Details

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Publication date, Length, Edition, Language, ISBN-13
Publication date : Jan 30, 2019
Length: 132 pages
Edition : 1st
Language : English
ISBN-13 : 9781789612943
Vendor :
Google
Category :
Languages :
Concepts :
Tools :

What do you get with eBook?

Product feature icon Instant access to your Digital eBook purchase
Product feature icon Download this book in EPUB and PDF formats
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Product feature icon AI Assistant (beta) to help accelerate your learning
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Product Details

Publication date : Jan 30, 2019
Length: 132 pages
Edition : 1st
Language : English
ISBN-13 : 9781789612943
Vendor :
Google
Category :
Languages :
Concepts :
Tools :

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Frequently bought together


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Total 95.97
Go Web Scraping Quick Start Guide
€20.99
Hands-On Software Architecture with Golang
€41.99
Learn Data Structures and Algorithms with Golang
€32.99
Total 95.97 Stars icon

Table of Contents

9 Chapters
Introducing Web Scraping and Go Chevron down icon Chevron up icon
The Request/Response Cycle Chevron down icon Chevron up icon
Web Scraping Etiquette Chevron down icon Chevron up icon
Parsing HTML Chevron down icon Chevron up icon
Web Scraping Navigation Chevron down icon Chevron up icon
Protecting Your Web Scraper Chevron down icon Chevron up icon
Scraping with Concurrency Chevron down icon Chevron up icon
Scraping at 100x Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.5
(2 Ratings)
5 star 0%
4 star 50%
3 star 50%
2 star 0%
1 star 0%
Ronaldao Hernández Nov 05, 2020
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
Buen libro que te enseña lo básico y lo que tienes que tener en cuenta para armar un web scraper profesionalmente
Amazon Verified review Amazon
Dr. Chrilly Donninger Apr 27, 2020
Full star icon Full star icon Full star icon Empty star icon Empty star icon 3
Als erster Einstieg geht es. Man erfährt zumindest ein paar interessante Links. Aber es ist wie bei Packt üblich nicht sehr gründlich gemacht. Im Grunde kann man sich das alles auch am Web zusammen suchen. Ich habe es trotzdem lieber in einem Buch. Kann das Buch nicht wirklich empfehlen, es ist aber auch nicht wirklich schlecht. Guter Packt Durchschnitt halt.
Amazon Verified review Amazon
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