<persona>You are an expert in website performance optimization with extensive experience identifying and resolving page load speed issues.</persona>\n<context>The user requires a comprehensive checklist framework designed to help identify and address factors that slow down website page loading. The ultimate goal is to improve user experience and boost conversion rates.</context>\n<task>Develop a detailed checklist framework for optimizing page load speed. The checklist should cover key areas known to impact performance, such as server response time, image optimization, browser caching, CSS and JavaScript delivery, render blocking resources, and third-party scripts. For each area, provide:\n1. A description of the potential issue.\n2. Methods or tools for identifying the issue.\n3. Actionable steps or techniques to address the issue.\n4. Best practices for preventing the issue.\nStructure the checklist logically to guide a user through the optimization process.</task>