Technology history for justanswer.jp
Stack size over time
From 3 detected technologies in Apr 2018 to 45 in Jun 2026.
Currently detected
- Cloudflare since Apr 2018
- jQuery since Apr 2018
- Microsoft ASP.NET since Apr 2018
- Google Analytics since Jun 2018
- Twitter since Jun 2018
- AddThis since Jun 2018
- Google Analytics Enhanced eCommerce since Jun 2018
- Hammer.js since Aug 2018
- PHP since Aug 2018
- Segment since Aug 2018
- Drupal since Aug 2018
- jQuery UI since Aug 2018
- Adobe DTM since Jan 2019
- jQuery Migrate since Dec 2020
- Quantcast Choice since Dec 2020
- Quantcast Measure since Dec 2020
- Mouse Flow since Dec 2020
- Optimizely since Dec 2020
- Moat since Feb 2021
- core-js since Aug 2021
- Twitter Ads since Nov 2021
- Cart Functionality since Nov 2021
- Cloudflare Bot Management since Nov 2021
- Facebook Login since Nov 2021
- Google Hosted Libraries since Mar 2022
- Microsoft Advertising since Jul 2022
- Microsoft 365 since Aug 2022
- HTTP/3 since Sep 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Dynatrace since Oct 2022
- React since Oct 2022
- Impact since Oct 2022
- Dynatrace RUM since Oct 2022
- Emotion since Oct 2022
- Express since Oct 2022
- Node.js since Oct 2022
- RSS since Dec 2022
- Trustpilot since Jun 2023
- Bootstrap since Jun 2023
- Google Pay since Jul 2023
- PostHog since Feb 2025
- Amazon S3 since Oct 2025
- Amazon Web Services since Oct 2025
- Priority Hints since Dec 2025
Previously used
- Webpack Dec 2023 to Sep 2025 · 1 yr
- styled-components Oct 2022 to Apr 2024 · 1 yr
- Transcend Feb 2024 to Mar 2024 · 1 mo
- Backbone.js Jun 2018 to Dec 2022 · 4 yrs
- Underscore.js Jun 2018 to Dec 2022 · 4 yrs
- Google Tag Manager Oct 2021 to Sep 2022 · 11 mo
- Google Remarketing Tag Oct 2021 to May 2022 · 7 mo
- IIS Jun 2018 to May 2022 · 3 yrs
- Windows Server Jun 2018 to May 2022 · 3 yrs
- Facebook Jun 2018 to Apr 2022 · 3 yrs
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Google Ads Conversion Tracking Sep 2021 to Sep 2021 · 1 mo
- Lodash Sep 2021 to Sep 2021 · 1 mo
- Google Plus Jun 2018 to Nov 2018 · 5 mo
Timeline
2025 4 added · 1 dropped
- added Priority Hints Dec 2025 · Performance
- dropped Webpack Nov 2025 · Miscellaneous
- added Amazon S3 Oct 2025 · CDN
- added Amazon Web Services Oct 2025 · PaaS
- added PostHog Feb 2025 · Analytics
2024 1 added · 2 dropped
- dropped styled-components Jun 2024 · JavaScript frameworks
- dropped Transcend May 2024 · Cookie compliance
- added Transcend Feb 2024 · Cookie compliance
2023 11 added · 2 dropped
- added Webpack Dec 2023 · Miscellaneous
- added Google Pay Jul 2023 · Payment processors
- added Bootstrap Jun 2023 · UI frameworks
- added Trustpilot Jun 2023 · Reviews
- added Emotion May 2023 · JavaScript frameworks
- added Express May 2023 · Web frameworks
- added HSTS May 2023 · Security
- added Node.js May 2023 · Programming languages
- added Open Graph May 2023 · Miscellaneous
- added React May 2023 · JavaScript frameworks
- added styled-components May 2023 · JavaScript frameworks
- dropped Backbone.js Feb 2023 · JavaScript frameworks
- dropped Underscore.js Feb 2023 · JavaScript libraries
2022 26 added · 8 dropped · 1 switched
- dropped Google Tag Manager Dec 2022 · Tag managers
- added RSS Dec 2022 · Miscellaneous
- dropped Lodash Nov 2022 · JavaScript libraries
- dropped Wheelio Nov 2022 · Widgets
- added Emotion Oct 2022 · JavaScript frameworks
- added Express Oct 2022 · Web frameworks
- added Impact Oct 2022 · Affiliate programs
- added Node.js Oct 2022 · Programming languages
- added React Oct 2022 · JavaScript frameworks
- added styled-components Oct 2022 · JavaScript frameworks
- added HSTS Sep 2022 · Security
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added AddThis Aug 2022 · Widgets
- added Backbone.js Aug 2022 · JavaScript frameworks
- added Cart Functionality Aug 2022 · Ecommerce
- added Cloudflare Bot Management Aug 2022 · Security
- added core-js Aug 2022 · JavaScript libraries
- added Facebook Login Aug 2022 · Authentication
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Tag Manager Aug 2022 · Tag managers
- added Microsoft 365 Aug 2022 · Webmail
- added Microsoft Advertising Aug 2022 · Advertising
- added Microsoft ASP.NET Aug 2022 · Web frameworks
- switched Google Ads Conversion Tracking Moat Aug 2022 · Analytics
- added Twitter Aug 2022 · Widgets
- added Twitter Ads Aug 2022 · Advertising
- added Underscore.js Aug 2022 · JavaScript libraries
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped IIS Jul 2022 · Web servers
- added Microsoft Advertising Jul 2022 · Advertising
- dropped Windows Server Jul 2022 · Operating systems
- dropped Facebook Jun 2022 · Widgets
- dropped Tailwind CSS Jun 2022 · UI frameworks
- added Tailwind CSS Apr 2022 · UI frameworks
2021 7 added · 1 dropped
- added Cart Functionality Nov 2021 · Ecommerce
- added Cloudflare Bot Management Nov 2021 · Security
- added Google Remarketing Tag Oct 2021 · Retargeting
- added Google Tag Manager Oct 2021 · Tag managers
- added Wheelio Sep 2021 · Widgets
- added core-js Aug 2021 · JavaScript libraries
- dropped Moat Apr 2021 · Analytics
- added Moat Feb 2021 · Analytics
2019 11 added · 9 dropped
- added Adobe DTM Mar 2019 · Tag Managers
- added Cloudflare Mar 2019 · CDN
- added Drupal Mar 2019 · CMS
- added Google Analytics Mar 2019 · Analytics
- added Google Analytics Enhanced eCommerce Mar 2019 · Analytics
- added Hammer.js Mar 2019 · JavaScript Libraries
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery UI Mar 2019 · JavaScript Libraries
- added PHP Mar 2019 · Programming Languages
- added Segment Mar 2019 · Analytics
- dropped AddThis Jan 2019 · Widgets
- added Adobe DTM Jan 2019 · Tag Managers
- dropped Backbone.js Jan 2019 · JavaScript Frameworks
- dropped Facebook Jan 2019 · Widgets
- dropped Google Plus Jan 2019 · Widgets
- dropped IIS Jan 2019 · Web Servers
- dropped Microsoft ASP.NET Jan 2019 · Web Frameworks
- dropped Twitter Jan 2019 · Widgets
- dropped Underscore.js Jan 2019 · JavaScript Libraries
- dropped Windows Server Jan 2019 · Operating Systems
2018 10 added
- added AddThis Jun 2018 · Widgets
- added Backbone.js Jun 2018 · JavaScript Frameworks
- added Facebook Jun 2018 · Widgets
- added Google Analytics Jun 2018 · Analytics
- added Google Analytics Enhanced eCommerce Jun 2018 · Analytics
- added Google Plus Jun 2018 · Widgets
- added IIS Jun 2018 · Web Servers
- added Twitter Jun 2018 · Widgets
- added Underscore.js Jun 2018 · JavaScript Frameworks
- added Windows Server Jun 2018 · Operating Systems