GoLang web application example. We can use net/http to create a web app in Go. ResponseWriter can write HTML output. HTML template and Redis example. The first step to web scraping is being able to make an HTTP request. Let's look a very basic HTTP GET request and how to check the response code and view the content. Note the default timeout of an HTTP request using the default transport is forever. // makehttprequest.go.
Colly provides a clean interface to write any kind of crawler/scraper/spider
With Colly you can easily extract structured data from websites, which can be used for a wide range of applications, like data mining, data processing or archiving.
Features
- Clean API
- Fast (>1k request/sec on a single core)
- Manages request delays and maximum concurrency per domain
- Automatic cookie and session handling
- Sync/async/parallel scraping
- Distributed scraping
- Caching
- Automatic encoding of non-unicode responses
- Robots.txt support
- Google App Engine support
Batteries included
Colly comes with all the tools you need for scraping.
Open Source
Golang Web Api
Development of Colly is community driven and public.