AMP

Accelerated Mobile Pages format and tooling for fast, cacheable mobile web content.

Overview

AMP (Accelerated Mobile Pages) is an open-source web component framework designed to create fast, user-first experiences across multiple formats. It provides a structured approach to building websites, interactive stories, dynamic emails, and high-performance ads by enforcing performance best practices at the framework level.

The framework works by applying seven core optimizations: asynchronous JavaScript execution, static resource sizing, non-blocking extensions, third-party script sandboxing, inline CSS with size limits, efficient font loading, and GPU-accelerated animations. These constraints ensure pages load instantly and remain responsive even on slower connections.

AMP supports multiple use cases including publisher websites, e-commerce platforms, advertising networks, and email senders. It's maintained by the OpenJS Foundation and has been adopted by major organizations like the Washington Post, Booking.com, and numerous publishers and advertisers worldwide.

Key features

Pre-built web components library
Asynchronous JavaScript execution
Static resource sizing
Inline CSS with 50KB limit
GPU-accelerated animations
Third-party script sandboxing
Support for websites, stories, ads, and emails
Instant page preloading

Pros

Pages load instantly with optimized performance
Reduced complexity through enforced constraints
Comprehensive component library available
Works on both AMP and non-AMP pages
Strong community and extensive documentation
Proven results: 23% increase in returning users, 75% conversion rate improvements

Cons

Strict CSS and JavaScript limitations may require learning curve
Limited to inline styles with 50KB maximum
Custom JavaScript restricted to amp-script component
Requires understanding of AMP-specific constraints
Not suitable for highly complex custom interactions

Use this if

You need to build fast-loading web experiences, want to improve mobile performance metrics, are building ads or emails that need instant load times, or want to leverage a mature open-source framework with strong community support.

Skip this if

You require unlimited custom JavaScript, need complex client-side interactions beyond AMP's scope, or prefer frameworks without performance constraints.

Best for

Publishers building fast mobile websitesE-commerce sites needing high conversion ratesAdvertisers creating high-performance adsEmail senders building interactive messagesTeams prioritizing page speed and user experience

Alternatives

Next.jsGatsbyNuxt.jsHugoJekyll

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