How can D Forum load so fast?

[Era Scarecrow via Digitalmars-d]

On Friday, 10 March 2017 at 09:08:16 UTC, CasparKielwein wrote:
> On Friday, 10 March 2017 at 09:00:15 UTC, Era Scarecrow wrote:
>>  I'd rather we backtrack to more basic Apache/PHP/MySQL and 
>> minimal JS without cross scripting or the like.
>
> The Forum is actually written in D. As far as I know the author 
> is Vladimir Panteleev.

  I was actually referring in general for the majority of the web, 
not for the D Forums.