Website speed is not only a score. Visitors feel the delay when the first useful content appears late, a form is difficult to use, or an image shifts the page while they are reading. Start with the pages and actions that matter most to customers.
Practical improvements include right-sized images, stable layout dimensions, fewer blocking assets, simpler scripts, useful caching, and testing on a normal mobile connection. Measure before and after so performance work is connected to a better customer journey.
Review this topic from a visitor’s point of view as well as from a technical or SEO report. Confirm that the main answer appears early, the next action is clear, the page works on a normal phone, and important content is available in the initial HTML. Then use real enquiries, search questions, and support records to decide what to improve next.