New security measure

IMPORTANT (updated) I’ve now changed the security level from “critical” to “high”. Thanks all for your indulgence. Many of you will have experienced slow response times and/or error messages on Monday. This morning, … Read more >>

Site Feedback

This page is where you can provide feedback relating to Fifteensquared or raise issues regarding the website itself. Comments posted before 12/03/2025 can be found here. New comments can be posted here. If you … Read more >>