====== Mandatory requirements ======

  * i18n support (UTF-8 encoding)

  * efficient (native compilation if possible)

  * ability to bookmark pages

  * support of cookies and more generally state between pages

  * help against attacks (XSS, SQL injection, ...)

  * database backend

  * transactional support (at least correct handling of concurrent updates)


====== Optional requirements? ======

  * interface with current OCaml code?