Technology history for robotstxt.org
Stack size over time
From 4 detected technologies in Apr 2018 to 8 in Jun 2026.
Currently detected
- DoubleClick Ad Exchange (AdX) since Apr 2018
- Google AdSense since Apr 2018
- Apache HTTP Server since Apr 2018
- Debian since May 2020
- Google Tag Manager since Oct 2021
- reCAPTCHA since Apr 2022
- Funding Choices since Jul 2024
- Google Font API since Nov 2025
Previously used
- Snowplow Analytics Aug 2025 to Aug 2025 · 1 mo
- Google Analytics Jun 2018 to Jul 2024 · 6 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Ubuntu Apr 2018 to Apr 2020 · 2 yrs
Timeline
2026 1 added · 1 dropped
- added Google Tag Manager Feb 2026 · Tag managers
- dropped Google Tag Manager Jan 2026 · Tag managers
2025 2 added · 1 dropped
- added Google Font API Nov 2025 · Font scripts
- dropped Snowplow Analytics Nov 2025 · Analytics
- added Snowplow Analytics Aug 2025 · Analytics
2024 1 added · 1 dropped
- dropped Google Analytics Sep 2024 · Analytics
- added Funding Choices Jul 2024 · Cookie compliance
2023 6 added
- added Apache HTTP Server May 2023 · Web servers
- added Debian May 2023 · Operating systems
- added DoubleClick Ad Exchange (AdX) May 2023 · Advertising
- added Google AdSense May 2023 · Advertising
- added Google Analytics May 2023 · Analytics
- added reCAPTCHA May 2023 · Security
2022 8 added · 1 dropped
- added Google Tag Manager Oct 2022 · Tag managers
- dropped Google Tag Manager Sep 2022 · Tag managers
- added Apache HTTP Server Aug 2022 · Web servers
- added Debian Aug 2022 · Operating systems
- added DoubleClick Ad Exchange (AdX) Aug 2022 · Advertising
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added reCAPTCHA Aug 2022 · Security
- added reCAPTCHA Apr 2022 · Security
2021 3 added · 2 dropped
- dropped Wheelio Dec 2021 · Widgets
- added Google Tag Manager Oct 2021 · Tag managers
- added Wheelio Sep 2021 · Widgets
- added Google Analytics Jun 2021 · Analytics
- dropped Google Analytics Mar 2021 · Analytics
2020 1 added · 1 dropped
2019 5 added
- added Apache HTTP Server Mar 2019 · Web Servers
- added DoubleClick Ad Exchange (AdX) Mar 2019 · Advertising Networks
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Ubuntu Mar 2019 · Operating Systems
2018 1 added
- added Google Analytics Jun 2018 · Analytics