High performance HTML

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Sam Dutton’s blog

High performance HTML

How can you improve the performance of web pages?

Most developers look to JavaScript and image optimisation, server configuration, file minification and concatenation – even CSS tweaks.

Poor old HTML gets neglected, despite being the core language of the web.

HTML payloads are big and getting bigger. Pages on most top-100 sites require around 40k of HTML per page. Sites such as Amazon and Yahoo use thousands of lines of HTML per page. The youtube.com home page currently clocks in at a whopping 3.5K HTML elements.

Reducing HTML complexity and the number of elements in a page won’t improve parse time much – but well crafted HTML is a crucial foundation for building fast-loading pages and layouts that respond successfully to different viewport sizes.

In this article you’ll find out how to write clean, concise HTML that enables you to create content that loads fast and works well across…

View original post 2,181 more words

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