Technology history for bookseries.org
Stack size over time
From 11 detected technologies in Jan 2019 to 36 in May 2026 (peak 43).
Currently detected
- Google Analytics since Jan 2019
- MySQL since Jan 2019
- PHP since Jan 2019
- jQuery since Jan 2019
- jQuery Migrate since Jan 2019
- WordPress since Jan 2019
- Yoast SEO since Jan 2019
- Twitter typeahead.js since Mar 2019
- Bootstrap since Dec 2019
- reCAPTCHA since Mar 2020
- LiteSpeed since Apr 2021
- Google Publisher Tag since Jul 2021
- Google Tag Manager since Jul 2021
- Prebid since Jul 2021
- PubMatic since Jul 2021
- core-js since Oct 2021
- Amazon Advertising since Oct 2021
- Contact Form 7 since Feb 2022
- Twenty Sixteen since Feb 2022
- Rubicon Project since Feb 2022
- comScore since Apr 2022
- OpenX since Apr 2022
- 33Across since Apr 2022
- Adobe Audience Manager since Apr 2022
- AdThrive since Apr 2022
- TripleLift since Apr 2022
- Popper since Apr 2022
- Snowplow Analytics since Jul 2022
- Open Graph since Sep 2022
- HTTP/3 since Sep 2022
- Amazon ALB since Jun 2023
- Amazon Web Services since Jun 2023
- Pojo.me since Jun 2023
- Microsoft ASP.NET since Sep 2023
- ID5 since Oct 2023
- Priority Hints since May 2026
Previously used
- DoubleClick Campaign Manager (DCM) Nov 2023 to Sep 2025 · 1 yr
- Google AdSense Jan 2019 to Sep 2025 · 6 yrs
- AppNexus Apr 2022 to Jul 2025 · 3 yrs
- Confiant Jun 2023 to Jul 2025 · 2 yrs
- Cloudflare Jan 2024 to Feb 2025 · 1 yr
- Cloudflare Bot Management Jan 2024 to Feb 2025 · 1 yr
- Oracle Moat Measurement Jan 2024 to Jun 2024 · 5 mo
- GumGum Feb 2024 to Feb 2024 · 1 mo
- Unpkg May 2022 to Mar 2023 · 10 mo
- web-vitals May 2022 to Mar 2023 · 10 mo
- Criteo Apr 2022 to Aug 2022 · 4 mo
- Integral Ad Science Jul 2022 to Jul 2022 · 1 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- Babel Jun 2021 to Mar 2022 · 9 mo
- Choices May 2021 to Nov 2021 · 6 mo
- Wheelio Oct 2021 to Oct 2021 · 1 mo
- Lodash Mar 2021 to Apr 2021 · 1 mo
- Apache HTTP Server Jan 2019 to Mar 2021 · 2 yrs
- Disqus Jan 2019 to Jan 2021 · 2 yrs
- React Nov 2019 to Jun 2020 · 7 mo
- OpenSSL Jan 2019 to Feb 2019 · 1 mo
Timeline
2025 8 added · 11 dropped · 1 switched
- added TripleLift Dec 2025 · Advertising
- dropped 33Across Nov 2025 · Advertising
- dropped DoubleClick Campaign Manager (DCM) Nov 2025 · Advertising
- dropped Google AdSense Nov 2025 · Advertising
- added OpenX Nov 2025 · Advertising
- dropped OpenX Oct 2025 · Advertising
- dropped AppNexus Sep 2025 · Advertising
- dropped Confiant Sep 2025 · Security
- added DoubleClick Campaign Manager (DCM) Sep 2025 · Advertising
- added Google AdSense Sep 2025 · Advertising
- dropped TripleLift Sep 2025 · Advertising
- dropped Google AdSense Aug 2025 · Advertising
- added Amazon ALB May 2025 · Load balancers
- added Amazon Web Services May 2025 · PaaS
- added AppNexus Apr 2025 · Advertising
- dropped Cloudflare Apr 2025 · CDN
- dropped AppNexus Mar 2025 · Advertising
- switched Cloudflare Bot Management Confiant Mar 2025 · Security
- added Microsoft ASP.NET Mar 2025 · Web frameworks
- dropped Confiant Feb 2025 · Security
2024 14 added · 12 dropped · 1 switched
- dropped DoubleClick Campaign Manager (DCM) Nov 2024 · Advertising
- dropped 33Across Oct 2024 · Advertising
- dropped Microsoft ASP.NET Oct 2024 · Web frameworks
- added Cloudflare Jul 2024 · CDN
- added Cloudflare Bot Management Jul 2024 · Security
- added DoubleClick Campaign Manager (DCM) Jul 2024 · Advertising
- added Google AdSense Jul 2024 · Advertising
- added Microsoft ASP.NET Jul 2024 · Web frameworks
- dropped Cloudflare Jun 2024 · CDN
- dropped Cloudflare Bot Management Jun 2024 · Security
- added ID5 Jun 2024 · Advertising
- dropped Microsoft ASP.NET Jun 2024 · Web frameworks
- switched Oracle Moat Measurement Snowplow Analytics Jun 2024 · Analytics
- added core-js May 2024 · JavaScript libraries
- dropped ID5 May 2024 · Advertising
- added Cloudflare Apr 2024 · CDN
- added Cloudflare Bot Management Apr 2024 · Security
- dropped GumGum Apr 2024 · Advertising
- added Microsoft ASP.NET Apr 2024 · Web frameworks
- dropped Cloudflare Mar 2024 · CDN
- dropped Cloudflare Bot Management Mar 2024 · Security
- added GumGum Feb 2024 · Advertising
- added Cloudflare Jan 2024 · CDN
- added Cloudflare Bot Management Jan 2024 · Security
- dropped DoubleClick Campaign Manager (DCM) Jan 2024 · Advertising
- dropped Google AdSense Jan 2024 · Advertising
- added Oracle Moat Measurement Jan 2024 · Analytics
2023 39 added · 11 dropped
- dropped Microsoft ASP.NET Dec 2023 · Web frameworks
- added DoubleClick Campaign Manager (DCM) Nov 2023 · Advertising
- added Google AdSense Nov 2023 · Advertising
- added ID5 Oct 2023 · Advertising
- dropped Snowplow Analytics Oct 2023 · Analytics
- dropped Amazon ALB Sep 2023 · Load balancers
- dropped Amazon Web Services Sep 2023 · PaaS
- added Microsoft ASP.NET Sep 2023 · Web frameworks
- added Amazon ALB Jun 2023 · Load balancers
- added Amazon Web Services Jun 2023 · PaaS
- added Confiant Jun 2023 · Security
- dropped core-js Jun 2023 · JavaScript libraries
- added Google Publisher Tag Jun 2023 · Advertising
- added Pojo.me Jun 2023 · Accessibility
- added Snowplow Analytics Jun 2023 · Analytics
- added 33Across May 2023 · Advertising
- added Adobe Audience Manager May 2023 · Segmentation
- added AdThrive May 2023 · Advertising
- added Amazon Advertising May 2023 · Advertising
- added AppNexus May 2023 · Advertising
- added Bootstrap May 2023 · UI frameworks
- added comScore May 2023 · Analytics
- added Contact Form 7 May 2023 · WordPress plugins
- added Google Analytics May 2023 · Analytics
- dropped Google Publisher Tag May 2023 · Advertising
- added Google Tag Manager May 2023 · Tag managers
- added HTTP/3 May 2023 · Miscellaneous
- added jQuery May 2023 · JavaScript libraries
- added jQuery Migrate May 2023 · JavaScript libraries
- added LiteSpeed May 2023 · Web servers
- added MySQL May 2023 · Databases
- added Open Graph May 2023 · Miscellaneous
- added OpenX May 2023 · Advertising
- added PHP May 2023 · Programming languages
- added Popper May 2023 · Miscellaneous
- added Prebid May 2023 · Advertising
- added reCAPTCHA May 2023 · Security
- added Rubicon Project May 2023 · Advertising
- added TripleLift May 2023 · Advertising
- added Twenty Sixteen May 2023 · WordPress themes
- added Twitter typeahead.js May 2023 · JavaScript libraries
- dropped Unpkg May 2023 · CDN
- dropped web-vitals May 2023 · JavaScript libraries
- added WordPress May 2023 · CMS
- added Yoast SEO May 2023 · WordPress plugins
- added Unpkg Mar 2023 · CDN
- added web-vitals Mar 2023 · JavaScript libraries
- dropped Unpkg Feb 2023 · CDN
- dropped web-vitals Feb 2023 · JavaScript libraries
- dropped Snowplow Analytics Jan 2023 · Analytics
2022 51 added · 8 dropped · 1 switched
- dropped Criteo Dec 2022 · Advertising
- added Unpkg Dec 2022 · CDN
- added web-vitals Dec 2022 · JavaScript libraries
- dropped Integral Ad Science Nov 2022 · Advertising
- dropped Unpkg Nov 2022 · CDN
- dropped web-vitals Nov 2022 · JavaScript libraries
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added 33Across Aug 2022 · Advertising
- added Adobe Audience Manager Aug 2022 · Segmentation
- added AdThrive Aug 2022 · Advertising
- added Amazon Advertising Aug 2022 · Advertising
- added AppNexus Aug 2022 · Advertising
- switched Tailwind CSS Bootstrap Aug 2022 · UI frameworks
- added comScore Aug 2022 · Analytics
- added Contact Form 7 Aug 2022 · WordPress plugins
- added core-js Aug 2022 · JavaScript libraries
- added Criteo Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added jQuery Aug 2022 · JavaScript libraries
- added jQuery Migrate Aug 2022 · JavaScript libraries
- added LiteSpeed Aug 2022 · Web servers
- added MySQL Aug 2022 · Databases
- added OpenX Aug 2022 · Advertising
- added PHP Aug 2022 · Programming languages
- added Popper Aug 2022 · Miscellaneous
- added Prebid Aug 2022 · Advertising
- added PubMatic Aug 2022 · Advertising
- added reCAPTCHA Aug 2022 · Security
- added Rubicon Project Aug 2022 · Advertising
- added TripleLift Aug 2022 · Advertising
- added Twenty Sixteen Aug 2022 · WordPress themes
- added Twitter typeahead.js Aug 2022 · JavaScript libraries
- added WordPress Aug 2022 · CMS
- added Yoast SEO Aug 2022 · WordPress plugins
- added Amazon Advertising Jul 2022 · Advertising
- added Integral Ad Science Jul 2022 · Advertising
- added Snowplow Analytics Jul 2022 · Analytics
- dropped Amazon Advertising May 2022 · Advertising
- dropped Babel May 2022 · Miscellaneous
- added Unpkg May 2022 · CDN
- added web-vitals May 2022 · JavaScript libraries
- added 33Across Apr 2022 · Advertising
- added Adobe Audience Manager Apr 2022 · Segmentation
- added AdThrive Apr 2022 · Advertising
- added AppNexus Apr 2022 · Advertising
- added comScore Apr 2022 · Analytics
- added Criteo Apr 2022 · Advertising
- added OpenX Apr 2022 · Advertising
- added Popper Apr 2022 · Miscellaneous
- added reCAPTCHA Apr 2022 · Security
- added Tailwind CSS Apr 2022 · UI frameworks
- added TripleLift Apr 2022 · Advertising
- added Contact Form 7 Feb 2022 · WordPress plugins
- added Rubicon Project Feb 2022 · Advertising
- added Twenty Sixteen Feb 2022 · WordPress themes
- dropped Choices Jan 2022 · Miscellaneous
- dropped Google AdSense Jan 2022 · Advertising
2021 9 added · 6 dropped · 1 switched
- added Twitter typeahead.js Dec 2021 · JavaScript libraries
- dropped Wheelio Dec 2021 · Widgets
- dropped reCAPTCHA Oct 2021 · Security
- added Google Publisher Tag Jul 2021 · Advertising
- added Google Tag Manager Jul 2021 · Tag managers
- added Prebid Jul 2021 · Advertising
- added PubMatic Jul 2021 · Advertising
- added Babel Jun 2021 · Miscellaneous
- added Bootstrap Jun 2021 · UI frameworks
- dropped Lodash Jun 2021 · JavaScript libraries
- dropped Twitter typeahead.js Jun 2021 · JavaScript libraries
- added Choices May 2021 · Miscellaneous
- switched Apache HTTP Server LiteSpeed Apr 2021 · Web servers
- dropped Bootstrap Mar 2021 · UI frameworks
- dropped Disqus Mar 2021 · Comment systems
- added Lodash Mar 2021 · JavaScript libraries
2020 1 dropped
- dropped React Aug 2020 · JavaScript frameworks
2019 13 added · 1 dropped
- added Bootstrap Dec 2019 · Web Frameworks
- added React Nov 2019 · JavaScript Frameworks
- dropped OpenSSL Apr 2019 · Web Server Extensions
- added Apache HTTP Server Mar 2019 · Web Servers
- added Disqus Mar 2019 · Comment Systems
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added PHP Mar 2019 · Programming Languages
- added Twitter typeahead.js Mar 2019 · JavaScript Libraries
- added WordPress Mar 2019 · Blogs
- added Yoast SEO Mar 2019 · SEO