1. A reverse proxy will usually be faster since it doesn't have to execute an "code" (even a cut-down framework). 2. Some sites will be "read-only" and your re

1. A reverse proxy will usually be faster since it doesn't have to execute an "code" (even a cut-down framework). 2. Some sites will be "read-only" and your really can serve everyone with exactly the same content. 3. Legacy codebase/programmers may not be able to use more scalable techniques so a reverse proxy is the best solution.