---
id: 2916
title: "Lazy Loading, the Why and How to's"
source_domain: hackerone.com
source_url: "https://www.hackerone.com/blog/lazy-loading-why-and-how-tos"
published_at: "2020-11-24T00:00:00Z"
tags: ["cloud", "performance", "frontend", "web-development", "lazy-loading", "images"]
phying_url: "https://phying.com/item/2916"
lang: en
---

# Lazy Loading, the Why and How to's

## Summary

Explains lazy loading for images: deferring non-critical resources with data attributes and fallbacks, and measuring load-time gains via DevTools on Fast 3G.

## Intelligence Metadata

- **Sources:** hackerone.com
- **Published:** 2020-11-24T00:00:00Z
- **Original:** https://www.hackerone.com/blog/lazy-loading-why-and-how-tos
- **Phying News:** https://phying.com/item/2916