The performance of a website directly affects its visibility on search engines, affecting the site's ability to pull in and retain visitors. Consequently, it's essential to conduct a thorough SEO audit to identify any potential problems that could be hampering your website’s performance.

An SEO audit is a method that helps you identify challenges that could be preventing your site from ranking on search engines. These troubles can range from technical errors to content-related problems.

A significant aspect of website performance is speed. A slow website not only creates a poor user experience but also influences search engine rankings. By an SEO audit, you can identify reasons for slow website speed and take corrective measures.

In addition, an SEO audit also focuses on the quality of content on your website. High-quality, pertinent content is crucial for higher search engine rankings. The audit can reveal if your website possesses duplicate content, irrelevant keywords, or poorly optimized meta titles, leading to poor SEO performance.

Additionally, an SEO audit can help you know whether your website is appropriately optimized for mobile devices. With most of internet users accessing the web via mobile devices, it's crucial that your website is optimized for mobile viewing for better user experience and bettered search engine rankings.

Moreover, an SEO audit can disclose any broken links or webpages that are resulting in 404 errors, both of which can adversely impact user experience and SEO ranking. The audit is meant to highlight these errors, allowing you to fix them promptly and improve your site’s performance.

Finally, it’s important to mention that an SEO audit also assists in developing an website performance efficient SEO strategy. By understanding what's working and what's not, you would be able to devise a strategy that's personalized to your website's unique needs which will boost its performance, increase visibility, and draw in more visitors.

To sum up, the importance of website performance and a thorough SEO audit shouldn't be underestimated. Remember to conduct regular SEO audits to identify and fix possible issues that could be affecting your site's performance. This proactive approach will keep your website modernized, user-friendly, and well-ranked in search results, thus driving more traffic and ultimately, realizing business success.