Technology history for paperfree.cn
Stack size over time
From 2 detected technologies in Apr 2018 to 3 in Jun 2025 (peak 5).
Currently detected
Previously used
- C Feb 2023 to Feb 2023 · 1 mo
- Baidu Analytics (百度统计) Jan 2023 to Jan 2023 · 1 mo
- Open Graph Jan 2023 to Jan 2023 · 1 mo
Timeline
2023 1 added · 3 dropped
- dropped C May 2023 · Programming languages
- dropped Baidu Analytics (百度统计) Apr 2023 · Analytics
- dropped Open Graph Apr 2023 · Miscellaneous
- added C Feb 2023 · Programming languages