Speedometer 3: Building a benchmark that represents the web

Speedometer 3.0, a collaborative effort between browser vendors, enhances the optimization of web applications through benchmark analysis. With a multi-stakeholder governance model, the updated benchmark represents diverse perspectives and workflows, aiming to improve the user experience across browsers. The new workloads capture the evolution of the web, including complex DOM layouts, SVG and canvas rendering, and more realistic user journeys. The inclusion of frameworks was determined based on HTTP Archive data and discussions with browser vendors, providing a representative sample. The addition of a web-component-based workload expands the benchmark's scope. Validation using Chrome runtime-call-stats indicates a more balanced representation of web APIs, with less focus on innerHTML and greater attention to DOM APIs. The benchmark includes TodoMVC, Complex DOM, Single-page-applications, Charting Apps & Dashboards, and Code Editors to simulate typical user interactions. By representing a broader range of web use cases, Speedometer 3.0 enables browser vendors to optimize performance in areas that matter most to users. This collaborative approach ensures that improvements made to browser engines benefit users regardless of their preferred browser. The benchmark continues to evolve, aiming to accurately reflect the changing landscape of the web.