This document provides a step-by-step guide to conducting an SEO website audit in 2018. It discusses why SEO audits are important, outlining the audit process and key elements to examine, including: auditing core website elements like site/domain age, canonicals, robots.txt files, and .htaccess files; checking on-page content, user metrics, traffic metrics, and link building metrics; examining the site's quality score; and performing basic penalty checks. The goal of the audit is to understand how the site performs against competitors and identify opportunities to help it rank faster.