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Developer ToolsAlternative to Beautiful SoupAlternative to ScrapyAlternative to Apify

Colly

Lightning fast and elegant web scraping framework for Go with concurrency support.

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LicenseApache-2.0
GitHub stars22.5k
Last commit1 weeks ago
Tags6 topics
Data MiningCrawlerFastConcurrentWeb ScrapingGolang
Overview

Why consider Colly?

Colly provides a clean interface to write any kind of web scraper and crawler in Go. It handles multi-threading, rate limiting, distributed crawling via Redis, and automatic cookie storage.

Guided learning

Learn Colly by building

Practical setup notes, real use cases, and copy-ready examples in one focused guide.

1 min read 2 sections
In this guide2 sections

Overview of Colly

Colly is engineered for high concurrency, capable of scraping over 1,000 requests per second on a single machine with minimal memory consumption.

Go Code Example

go
1package main
2
3import (
4 "fmt"
5 "github.com/gocolly/colly/v2"
6)
7
8func main() {
9 c := colly.NewCollector()
10 c.OnHTML("a[href]", func(e *colly.HTMLElement) {
11 fmt.Println(e.Attr("href"))
12 })
13 c.Visit("https://example.com")
14}

Colly is licensed under the Apache License Version 2.0.

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Colly FAQs

Colly is listed as a Developer Tools tool on TiloBox. Review the overview, features, and official documentation on this page to decide whether it solves your specific workflow.

Start with the project's GitHub repository and official website for supported installation and deployment instructions. Test the setup with representative data or a small project before rolling it out more widely.

Colly is listed under the Apache-2.0 license. Read the complete license text and the project's notices before using, modifying, or distributing the software.

Production readiness depends on your requirements. Review maintenance activity, security practices, documentation, backup and upgrade procedures, and compatibility with your stack; then validate it in a non-production environment.

Colly is listed as an alternative to Beautiful Soup. Compare the core workflow, deployment model, integrations, and licensing against your must-have requirements before switching.