// archives

Archive for June, 2013

Advanced methods of speeding up web sites

There are a raft of ways to speed up web sites. There are popular ways, like caching the compiled code with apc or similar. People try swapping out their web server, for faster ones. Then you can cache whole web pages, or sql queries, or even more complex partial parts of pages. Then you can […]

Don’t use email for ecommerce

I lectured about this a few years ago to MBA students. Email is inherently insecure. You can’t really prove where an email came from. If your ecommerce, with customers or suppliers, relies on email exchange then you are open to abuse. If someone intercedes a fake email, in with your real emails, how is your […]