More phones than people
The Internet here is sometimes working. Sometimes it is even fast. But sometimes it is slower than a snail.
Transferring all the old pages is a big work. We do not only transfer them, but we update them, insert new information and verify all links
We also make the pages as interactive as possible. And unfortunately some old-style content cannot be put into the responsive format.
To make the page responsive, we have to rewrite it from scratch.