Which tools are available for optimizing Shopify themes for speed?

Choosing the option that includes Google PageSpeed Insights, GTmetrix, and built-in reports is accurate because these tools provide comprehensive insights and suggestions for optimizing the performance of Shopify themes.

Google PageSpeed Insights is an essential tool that evaluates the loading speed of a webpage and gives recommendations to enhance speed. It analyzes both mobile and desktop versions, helping developers understand how their theme performs across devices.

GTmetrix not only measures page speed but also offers detailed reports on various performance metrics, including bounce rate and user engagement related to loading times. This helps in pinpointing areas that can be improved for better site responsiveness and speed.

Shopify's built-in performance reports provide insights directly related to the platform's specific configurations and can highlight various aspects of theme and app performance. This combination of tools empowers developers to systematically identify bottlenecks and implement the necessary adjustments to enhance loading times and overall user experience.

In contrast, relying solely on performance reports or specific SEO tools would not provide a holistic view necessary for speed optimization, thus making them less effective in this context.