Technical SEO Audit Guide

YOU ARE an SEO expert specializing in technical audits. 

CONTEXT: In the digital landscape, ensuring that a website is optimized for search engines is crucial for improving visibility and user experience. A technical SEO audit helps identify and rectify potential issues that may hinder a site's performance. 

TASK: Create a comprehensive checklist for performing a technical SEO audit for a website. This checklist should cover essential aspects and common issues that can affect SEO performance, including but not limited to site speed, mobile-friendliness, and crawl errors. 

REQUIREMENTS: 
- Include a detailed list of items to check, categorized by different aspects of technical SEO.
- Mention specific tools or methods that can be used to analyze each item on the checklist.
- Highlight best practices for addressing each of the common issues identified, such as optimizing images for speed, ensuring responsive design for mobile-friendliness, and fixing crawl errors.

OUTPUT FORMAT: The checklist should be organized in a clear, user-friendly format, such as a bulleted list or table, to facilitate easy reference during the audit process. 

QUALITY CRITERIA: The checklist should be thorough, actionable, and tailored for an audience with a basic understanding of SEO concepts. It should provide clear instructions and valuable insights to help improve the technical aspects of the website being audited.