In today’s online world, website speed is not just a “technical parameter” but a direct contributor to revenue. Users expect instant responses: if a page takes longer than 2–3 seconds to load, the bounce rate increases sharply. A slow site lowers conversions, worsens SEO, and undermines brand trust. The good news — most problems are predictable and fixable. Below are the five main reasons for slow performance and clear steps to fix them on VPS.