Technology history for calibre-ebook.com
Stack size over time
From 4 detected technologies in Apr 2018 to 38 in Jun 2026 (peak 43).
Currently detected
- jQuery since Apr 2018
- Google Analytics since Apr 2018
- Nginx since Apr 2018
- PayPal since Jul 2018
- PHP since Jul 2020
- WordPress since Jul 2020
- MySQL since Jul 2020
- Prebid since Aug 2020
- Google Tag Manager since Aug 2020
- AppNexus since Aug 2020
- Quantcast Measure since Nov 2020
- PubMatic since Dec 2020
- Google Publisher Tag since Feb 2021
- Amazon Advertising since Jun 2021
- OpenX since Jul 2021
- TripleLift since Jul 2021
- Patreon since Jul 2021
- 33Across since Jul 2021
- core-js since Sep 2021
- PayPal Marketing Solutions since Nov 2021
- Rubicon Project since Nov 2021
- WordPress.com since Nov 2021
- reCAPTCHA since Apr 2022
- Sendgrid since Aug 2022
- Zendesk since Aug 2022
- Snowplow Analytics since Sep 2022
- Google Analytics Enhanced eCommerce since Oct 2022
- Cart Functionality since Oct 2022
- Adobe Audience Manager since Oct 2022
- RSS since Dec 2022
- Tapad since Jan 2023
- Confiant since Jun 2023
- ID5 since Oct 2023
- Cloudflare since Jul 2024
- Cloudflare Bot Management since Jul 2024
- Bootstrap since Nov 2024
- GoDaddy since Dec 2025
- Wurfl since Apr 2026
Previously used
- Microsoft ASP.NET Oct 2021 to Feb 2026 · 4 yrs
- GumGum Mar 2025 to Mar 2025 · 1 mo
- Criteo Aug 2020 to Nov 2024 · 4 yrs
- Smart Ad Server Nov 2023 to Oct 2024 · 11 mo
- Google AdSense Apr 2018 to Jul 2024 · 6 yrs
- Admiral Nov 2022 to Feb 2024 · 1 yr
- jsDelivr Apr 2023 to Jan 2024 · 9 mo
- Sphinx Aug 2018 to Aug 2023 · 5 yrs
- Amazon ALB Apr 2023 to Jul 2023 · 3 mo
- Amazon Web Services Apr 2023 to Jul 2023 · 3 mo
- DoubleClick for Publishers (DFP) Aug 2020 to Jul 2023 · 2 yrs
- Pygments Aug 2018 to Jul 2023 · 4 yrs
- Quantcast Choice Nov 2020 to Jul 2023 · 2 yrs
- Underscore.js Aug 2018 to Mar 2023 · 4 yrs
- C Feb 2023 to Feb 2023 · 1 mo
- Integral Ad Science Nov 2022 to Feb 2023 · 3 mo
- Facebook Pixel Oct 2022 to Jan 2023 · 3 mo
- comScore Nov 2020 to Nov 2022 · 2 yrs
- Google Font API Jul 2020 to Jun 2022 · 1 yr
- Gravatar Jul 2020 to Jun 2022 · 1 yr
- Jetpack Feb 2022 to Jun 2022 · 4 mo
- Twitter Emoji (Twemoji) Jul 2020 to Jun 2022 · 1 yr
- Yoast SEO Nov 2020 to Jun 2022 · 1 yr
- Ad Lightning Jun 2021 to May 2022 · 11 mo
- Google Remarketing Tag Aug 2021 to May 2022 · 9 mo
- District M Jul 2021 to Apr 2022 · 9 mo
- Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
- IIS Oct 2021 to Feb 2022 · 4 mo
- Salesforce Audience Studio Oct 2021 to Feb 2022 · 4 mo
- Windows Server Oct 2021 to Feb 2022 · 4 mo
- Automattic Apr 2021 to Oct 2021 · 6 mo
- Lodash Jul 2021 to Oct 2021 · 3 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Babel Jul 2020 to Jul 2021 · 1 yr
- jQuery Migrate Jul 2020 to Jan 2021 · 6 mo
- Blogger Aug 2018 to Jun 2020 · 1 yr
- Google Plus Aug 2018 to Jun 2020 · 1 yr
- Java Aug 2018 to Jun 2020 · 1 yr
- OpenGSE Aug 2018 to Jun 2020 · 1 yr
- Python Aug 2018 to Jun 2020 · 1 yr
- Lazy.js Aug 2018 to Apr 2020 · 1 yr
- MathJax Oct 2018 to Jan 2019 · 3 mo
Timeline
2026 5 added · 3 dropped
- added Cloudflare May 2026 · CDN
- added Cloudflare Bot Management May 2026 · Security
- dropped Cloudflare Apr 2026 · CDN
- dropped Cloudflare Bot Management Apr 2026 · Security
- dropped Microsoft ASP.NET Apr 2026 · Web frameworks
- added Wurfl Apr 2026 · JavaScript libraries
- added Cloudflare Feb 2026 · CDN
- added Cloudflare Bot Management Feb 2026 · Security
2025 2 added · 4 dropped
- added GoDaddy Dec 2025 · Hosting
- dropped Cloudflare May 2025 · CDN
- dropped Cloudflare Bot Management May 2025 · Security
- dropped GumGum May 2025 · Advertising
- added GumGum Mar 2025 · Advertising
- dropped Criteo Jan 2025 · Advertising
2024 12 added · 10 dropped
- added Cloudflare Dec 2024 · CDN
- added Cloudflare Bot Management Dec 2024 · Security
- added Microsoft ASP.NET Dec 2024 · Web frameworks
- dropped Smart Ad Server Dec 2024 · Advertising
- added Bootstrap Nov 2024 · UI frameworks
- added Prebid Nov 2024 · Advertising
- dropped Cloudflare Sep 2024 · CDN
- dropped Cloudflare Bot Management Sep 2024 · Security
- dropped Google AdSense Sep 2024 · Advertising
- added Snowplow Analytics Sep 2024 · Analytics
- added Cloudflare Jul 2024 · CDN
- added Cloudflare Bot Management Jul 2024 · Security
- added PubMatic Jun 2024 · Advertising
- added 33Across May 2024 · Advertising
- dropped PubMatic May 2024 · Advertising
- dropped Admiral Apr 2024 · Miscellaneous
- dropped Snowplow Analytics Apr 2024 · Analytics
- dropped jsDelivr Mar 2024 · CDN
- dropped Prebid Mar 2024 · Advertising
- added Smart Ad Server Mar 2024 · Advertising
- dropped Smart Ad Server Feb 2024 · Advertising
- added Adobe Audience Manager Jan 2024 · Segmentation
2023 17 added · 18 dropped
- added Smart Ad Server Nov 2023 · Advertising
- added Cart Functionality Oct 2023 · Ecommerce
- added Google Analytics Enhanced eCommerce Oct 2023 · Analytics
- added ID5 Oct 2023 · Advertising
- dropped Sphinx Oct 2023 · Documentation
- added Tapad Oct 2023 · Advertising
- dropped Amazon ALB Sep 2023 · Load balancers
- dropped Amazon Web Services Sep 2023 · PaaS
- dropped DoubleClick for Publishers (DFP) Sep 2023 · Advertising
- dropped Pygments Sep 2023 · Miscellaneous
- dropped Quantcast Choice Sep 2023 · Cookie compliance
- dropped Adobe Audience Manager Aug 2023 · Segmentation
- dropped Cart Functionality Jun 2023 · Ecommerce
- added Confiant Jun 2023 · Security
- dropped Google Analytics Enhanced eCommerce Jun 2023 · Analytics
- dropped Tapad Jun 2023 · Advertising
- dropped 33Across May 2023 · Advertising
- dropped Underscore.js May 2023 · JavaScript libraries
- added Adobe Audience Manager Apr 2023 · Segmentation
- added Amazon ALB Apr 2023 · Load balancers
- added Amazon Web Services Apr 2023 · PaaS
- dropped C Apr 2023 · Programming languages
- dropped Integral Ad Science Apr 2023 · Advertising
- added jsDelivr Apr 2023 · CDN
- added Prebid Apr 2023 · Advertising
- added Snowplow Analytics Apr 2023 · Analytics
- dropped Facebook Pixel Mar 2023 · Analytics
- added C Feb 2023 · Programming languages
- added Cart Functionality Jan 2023 · Ecommerce
- dropped comScore Jan 2023 · Analytics
- added Facebook Pixel Jan 2023 · Analytics
- added Google Analytics Enhanced eCommerce Jan 2023 · Analytics
- dropped Prebid Jan 2023 · Advertising
- dropped Snowplow Analytics Jan 2023 · Analytics
- added Tapad Jan 2023 · Advertising
2022 35 added · 17 dropped · 1 switched
- dropped Adobe Audience Manager Dec 2022 · Segmentation
- dropped Cart Functionality Dec 2022 · Ecommerce
- dropped Facebook Pixel Dec 2022 · Analytics
- dropped Google Analytics Enhanced eCommerce Dec 2022 · Analytics
- added RSS Dec 2022 · Miscellaneous
- added Adobe Audience Manager Oct 2022 · Segmentation
- added Cart Functionality Oct 2022 · Ecommerce
- added Facebook Pixel Oct 2022 · Analytics
- added Google Analytics Enhanced eCommerce Oct 2022 · Analytics
- added Snowplow Analytics Sep 2022 · Analytics
- added 33Across Aug 2022 · Advertising
- added Amazon Advertising Aug 2022 · Advertising
- added AppNexus Aug 2022 · Advertising
- added comScore Aug 2022 · Analytics
- added core-js Aug 2022 · JavaScript libraries
- added Criteo Aug 2022 · Advertising
- added DoubleClick for Publishers (DFP) Aug 2022 · Advertising
- dropped Google Font API Aug 2022 · Font scripts
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- dropped Jetpack Aug 2022 · WordPress plugins
- added MySQL Aug 2022 · Databases
- added OpenX Aug 2022 · Advertising
- added Patreon Aug 2022 · Payment processors
- added PayPal Marketing Solutions Aug 2022 · Analytics
- added PHP Aug 2022 · Programming languages
- added PubMatic Aug 2022 · Advertising
- switched Gravatar Pygments Aug 2022 · Miscellaneous
- added Quantcast Choice Aug 2022 · Cookie compliance
- added Quantcast Measure Aug 2022 · Analytics
- added reCAPTCHA Aug 2022 · Security
- added Rubicon Project Aug 2022 · Advertising
- added Sendgrid Aug 2022 · Email
- added Sphinx Aug 2022 · Documentation
- added TripleLift Aug 2022 · Advertising
- dropped Twitter Emoji (Twemoji) Aug 2022 · Font scripts
- added Underscore.js Aug 2022 · JavaScript libraries
- added WordPress Aug 2022 · CMS
- added WordPress.com Aug 2022 · PaaS
- dropped Yoast SEO Aug 2022 · WordPress plugins
- added Zendesk Aug 2022 · Documentation
- dropped Ad Lightning Jul 2022 · Advertising
- dropped Google Remarketing Tag Jul 2022 · Retargeting
- dropped District M Jun 2022 · Advertising
- dropped Tailwind CSS Jun 2022 · UI frameworks
- dropped IIS Apr 2022 · Web servers
- dropped Microsoft ASP.NET Apr 2022 · Web frameworks
- dropped Prebid Apr 2022 · Advertising
- added reCAPTCHA Apr 2022 · Security
- dropped Salesforce Audience Studio Apr 2022 · Segmentation
- added Tailwind CSS Apr 2022 · UI frameworks
- dropped Windows Server Apr 2022 · Operating systems
- added Jetpack Feb 2022 · WordPress plugins
2021 27 added · 11 dropped · 3 switched
- dropped Wheelio Dec 2021 · Widgets
- added PayPal Marketing Solutions Nov 2021 · Analytics
- added Rubicon Project Nov 2021 · Advertising
- switched Automattic WordPress.com Nov 2021 · PaaS
- added Yoast SEO Nov 2021 · SEO
- added IIS Oct 2021 · Web servers
- added Microsoft ASP.NET Oct 2021 · Web frameworks
- added Salesforce Audience Studio Oct 2021 · Segmentation
- added Windows Server Oct 2021 · Operating systems
- dropped Yoast SEO Oct 2021 · SEO
- switched Lodash core-js Sep 2021 · JavaScript libraries
- added Wheelio Sep 2021 · Widgets
- added Google Remarketing Tag Aug 2021 · Retargeting
- added 33Across Jul 2021 · Advertising
- added Babel Jul 2021 · Miscellaneous
- added comScore Jul 2021 · Analytics
- added Criteo Jul 2021 · Advertising
- added District M Jul 2021 · Advertising
- added Google Tag Manager Jul 2021 · Tag managers
- switched Babel Gravatar Jul 2021 · Miscellaneous
- added Lodash Jul 2021 · JavaScript libraries
- added OpenX Jul 2021 · Advertising
- added Patreon Jul 2021 · Payment processors
- added Prebid Jul 2021 · Advertising
- added Sphinx Jul 2021 · Documentation
- added TripleLift Jul 2021 · Advertising
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added Ad Lightning Jun 2021 · Advertising
- added Amazon Advertising Jun 2021 · Advertising
- dropped comScore Jun 2021 · Analytics
- dropped Google Tag Manager Jun 2021 · Tag managers
- added Automattic Apr 2021 · PaaS
- dropped Babel Mar 2021 · Miscellaneous
- dropped Criteo Mar 2021 · Advertising
- dropped Gravatar Mar 2021 · Miscellaneous
- dropped jQuery Migrate Mar 2021 · JavaScript libraries
- dropped Prebid Mar 2021 · Advertising
- dropped Sphinx Mar 2021 · Documentation tools
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- added Google Publisher Tag Feb 2021 · Advertising
- added jQuery Migrate Jan 2021 · JavaScript libraries
2020 17 added · 6 dropped · 1 switched
- added PubMatic Dec 2020 · Advertising
- added comScore Nov 2020 · Analytics
- added Quantcast Choice Nov 2020 · Cookie compliance
- added Quantcast Measure Nov 2020 · Analytics
- added Yoast SEO Nov 2020 · SEO
- dropped jQuery Migrate Sep 2020 · JavaScript libraries
- added AppNexus Aug 2020 · Advertising
- added Criteo Aug 2020 · Advertising
- added DoubleClick for Publishers (DFP) Aug 2020 · Advertising
- dropped Google Plus Aug 2020 · Widgets
- added Google Tag Manager Aug 2020 · Tag managers
- dropped Java Aug 2020 · Programming languages
- dropped OpenGSE Aug 2020 · Web servers
- added Prebid Aug 2020 · Advertising
- dropped Python Aug 2020 · Programming languages
- added Babel Jul 2020 · Miscellaneous
- added Google Font API Jul 2020 · Font scripts
- added Gravatar Jul 2020 · Miscellaneous
- added jQuery Migrate Jul 2020 · JavaScript libraries
- added MySQL Jul 2020 · Databases
- added PHP Jul 2020 · Programming languages
- added Twitter Emoji (Twemoji) Jul 2020 · Miscellaneous
- switched Blogger WordPress Jul 2020 · Blogs
- dropped Lazy.js Jun 2020 · JavaScript Libraries
2019 9 added · 1 dropped
- added Blogger Mar 2019 · Blogs
- added Google Plus Mar 2019 · Widgets
- added Java Mar 2019 · Programming Languages
- added Lazy.js Mar 2019 · JavaScript Libraries
- dropped MathJax Mar 2019 · JavaScript Graphics
- added OpenGSE Mar 2019 · Web Servers
- added Pygments Mar 2019 · Miscellaneous
- added Python Mar 2019 · Programming Languages
- added Sphinx Mar 2019 · Documentation Tools
- added Underscore.js Mar 2019 · JavaScript Libraries