Mechanical sympathy implies that you tailor for very specific use cases. For example my blog: Most visitors read a single article and leave. Optimization: Serv

Mechanical sympathy implies that you tailor for very specific use cases. For example my blog: Most visitors read a single article and leave. Optimization: Serve page as one big blob if possible. Inline the CSS. Avoid images and widgets. Social buttons are implemented as CSS-styled links without Javascript-iframe-img stuff.