Technology history for planetmath.org
Stack size over time
From 3 detected technologies in Apr 2018 to 4 in Jun 2026 (peak 7).
Currently detected
- Apache HTTP Server since Apr 2018
- OpenSSL since Sep 2018
- HSTS since Sep 2022
- Red Hat since Mar 2024
Previously used
- CentOS Apr 2018 to Feb 2024 · 5 yrs
- mod_perl Apr 2018 to Feb 2024 · 5 yrs
- Perl Jun 2018 to Feb 2024 · 5 yrs
- PHP Jun 2018 to Feb 2024 · 5 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
Timeline
2024 3 dropped · 1 switched
- dropped mod_perl Apr 2024 · Web server extensions
- dropped Perl Apr 2024 · Programming languages
- dropped PHP Apr 2024 · Programming languages
- switched CentOS Red Hat Mar 2024 · Operating systems
2022 1 added
- added HSTS Sep 2022 · Security
2021 1 added · 1 dropped
2019 1 added
- added OpenSSL Mar 2019 · Web Server Extensions