Technology history for attn.jp
Stack size over time
From 4 detected technologies in Aug 2022 to 4 in Jun 2026 (peak 5).
Currently detected
- Apache HTTP Server since Aug 2022
- FreeBSD since Aug 2022
- OpenSSL since Aug 2022
- PHP since Aug 2022
Previously used
- HSTS Sep 2025 to Jan 2026 · 4 mo
Timeline
2026 1 dropped
- dropped HSTS May 2026 · Security