"Could you generate an intricate, evidence-based audit report elucidating the current search engine optimization (SEO) performance of [COMPANY NAME], including a granular breakdown of its organic traffic, domain authority, page speed, backlink profile, keyword rankings, and other pertinent SEO metrics? Could you further perform a competitive intelligence analysis, contrasting [COMPANY NAME]'s SEO metrics with those of its primary market competitors, with a particular focus on the specified keyword [KEYWORD] and related long-tail variations? In addition, could you delineate the underlying algorithms and ranking factors employed by prominent search engines, such as Google, Bing, and Yahoo, with a comprehensive explanation of recent algorithm updates and their implications for [COMPANY NAME]'s SEO strategy? Furthermore, could you devise a strategic SEO roadmap, integrating both on-page and off-page optimization tactics, covering aspects such as keyword optimization, meta-data tuning, URL structuring, content optimization, image optimization, schema markup implementation, internal linking, and mobile optimization for on-page SEO, and link-building strategies, social signals, local SEO, influencer outreach, and guest blogging for off-page SEO? Also, could you suggest potential content marketing strategies in alignment with SEO objectives, including topic clustering, skyscraper technique, and content repurposing, and technical SEO modifications required for improving site performance, user experience, and crawlability, such as page speed optimization, proper utilization of robots.txt and XML sitemaps, structured data implementation, and addressing 404 errors and redirects issues?Finally, could you identify high-potential link-building opportunities and provide actionable recommendations for acquiring quality backlinks, while adhering to Google's Webmaster Guidelines, to augment our domain authority, rankings, and online visibility?"