Speed Metrics Guide

Faster websites offer a better user experience and typically have higher conversion rates. It can be challenging to know where to invest to meaningfully improve a website's speed. Investing correctly to improve speed starts with understanding how to correctly measure speed and knowing how to use those measurements to identify the biggest opportunities.

Speed Metrics Guide helps marketers, SEOs, business leaders, designers, and everybody else involved in website performance select the right metrics to use to optimize their website's speed. Each chapter examines a specific metric, discusses what it measures, why the metric matters and what tactics will help improve that metric.

WHAT YOU'LL LEARN

* The best metrics and tools to help you measure website speed, including Google's Core Web Vitals
* How and when to best use each metric
* Where each metric fits within the website loading process
* How to use each metric to find different ways of improving website speed

WHO THIS BOOK IS FOR

Non-technical audience, including marketers, SEOs, designers, and UX professionals.

MATTHEW EDGAR is a partner at Colorado-based Elementive (www.elementive.com), a consulting firm specializing in technical SEO. Author of Elements of a Successful Website and Tech SEO Guide, Matthew has worked in the web performance field since 2001. He has been interviewed by Forbes, American Express, and other publications about analytics, CRO, UX, and SEO. He regularly speaks at conferences and teaches workshops, including speaking at MozCon, SMX, MarTech and teaching courses with O’Reilly Media. Matthew holds a Master’s in Information and Communications Technology from the University of Denver. Learn more and connect at MatthewEdgar.net.

Part 1. Initial Connection

* DNS Lookup Time
* Time to First Byte (TTFB)
Part 2. Displaying the Page

* DOMContentLoaded Time (DCL Time)
* Total Requests and Transfer Size
* First Contentful Paint (FCP)
Part 3. Completing the Website Load

* Chapter 6 - Time to Interactive (TTI) and Total Blocking Time (TBT)
* Total Load Time
Part 4. Core Web Vitals

* Largest Contentful Paint (LCP)
* Cumulative Layout Shift (CLS)
* Interaction to Next Paint (INP)
* Conclusion: Choosing Website Speed Metrics