Technology history for quizlet.com
Stack size over time
From 6 detected technologies in Jun 2018 to 34 in Jun 2026 (peak 35).
Currently detected
- Cloudflare since Jun 2018
- comScore since Jun 2018
- Google Analytics since Jun 2018
- Google Tag Manager since Jun 2018
- Quantcast Measure since Jun 2018
- React since Jun 2018
- jQuery since Mar 2019
- Zendesk since Mar 2020
- Google Cloud since Aug 2020
- Apple Sign-in since Feb 2021
- Google Sign-in since Feb 2021
- core-js since Sep 2021
- Facebook Pixel since Oct 2021
- Twitter Ads since Oct 2021
- TikTok Pixel since Oct 2021
- Envoy since Nov 2021
- Cloudflare Bot Management since Nov 2021
- Reddit Ads since Nov 2021
- Appsflyer since Feb 2022
- Google Cloud CDN since Apr 2022
- DocuSign since Aug 2022
- Google Workspace since Aug 2022
- PWA since Aug 2022
- Sendgrid since Aug 2022
- Salesforce since Aug 2022
- YouTube since Sep 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Profitwell since Oct 2022
- Apple iCloud Mail since Aug 2023
- cdnjs since Nov 2023
- PerimeterX since Dec 2023
- lit-element since Jun 2026
- lit-html since Jun 2026
Previously used
- Mautic Jan 2024 to Jan 2024 · 1 mo
- Impact Aug 2023 to Dec 2023 · 4 mo
- Moment.js Feb 2020 to Oct 2023 · 3 yrs
- OneTrust Oct 2020 to Oct 2023 · 3 yrs
- Ruby Feb 2020 to Oct 2023 · 3 yrs
- Ruby on Rails Feb 2020 to Oct 2023 · 3 yrs
- Solvvy Feb 2022 to Jan 2023 · 11 mo
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Webpack Feb 2020 to Aug 2022 · 2 yrs
- Facebook Feb 2020 to Apr 2022 · 2 yrs
- Twitter Analytics Oct 2021 to Apr 2022 · 6 mo
- Snap Pixel Oct 2021 to Feb 2022 · 4 mo
- Podsights Oct 2021 to Jan 2022 · 3 mo
- theTradeDesk Oct 2021 to Jan 2022 · 3 mo
- Google Ads Conversion Tracking Oct 2021 to Dec 2021 · 2 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Quantcast Choice Aug 2020 to Jul 2021 · 11 mo
- Font Awesome Feb 2020 to Jan 2021 · 11 mo
- TinyMCE Dec 2020 to Jan 2021 · 1 mo
- reCAPTCHA Oct 2019 to Oct 2019 · 1 mo
- Lodash Jun 2019 to Sep 2019 · 3 mo
- Leaflet Sep 2018 to Oct 2018 · 1 mo
Timeline
2026 3 added
- added lit-element Jun 2026 · JavaScript libraries
- added lit-html Jun 2026 · JavaScript libraries
- added Reddit Ads Apr 2026 · Advertising
2025 2 added
- added TikTok Pixel Sep 2025 · Analytics
- added Envoy Mar 2025 · Reverse proxies
2024 2 added · 3 dropped
- dropped TikTok Pixel Jul 2024 · Analytics
- dropped Mautic Mar 2024 · Marketing automation
- dropped Impact Feb 2024 · Affiliate programs
- added Mautic Jan 2024 · Marketing automation
- added TikTok Pixel Jan 2024 · Analytics
2023 9 added · 5 dropped
- dropped Moment.js Dec 2023 · JavaScript libraries
- dropped OneTrust Dec 2023 · Cookie compliance
- added PerimeterX Dec 2023 · Security
- dropped Ruby Dec 2023 · Programming languages
- dropped Ruby on Rails Dec 2023 · Web frameworks
- added cdnjs Nov 2023 · CDN
- added Apple iCloud Mail Aug 2023 · Webmail
- added Impact Aug 2023 · Affiliate programs
- added OneTrust Aug 2023 · Cookie compliance
- added jQuery May 2023 · JavaScript libraries
- added Moment.js May 2023 · JavaScript libraries
- added Ruby May 2023 · Programming languages
- added Ruby on Rails May 2023 · Web frameworks
- dropped Solvvy Mar 2023 · Live chat
2022 30 added · 12 dropped
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added Profitwell Oct 2022 · Analytics
- dropped Webpack Oct 2022 · Miscellaneous
- dropped Envoy Sep 2022 · Reverse proxies
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added YouTube Sep 2022 · Video players
- added Apple Sign-in Aug 2022 · Authentication
- added Appsflyer Aug 2022 · Analytics
- added Cloudflare Bot Management Aug 2022 · Security
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- added core-js Aug 2022 · JavaScript libraries
- added DocuSign Aug 2022 · Miscellaneous
- added Facebook Pixel Aug 2022 · Analytics
- added Google Cloud Aug 2022 · IaaS
- added Google Cloud CDN Aug 2022 · CDN
- added Google Sign-in Aug 2022 · Authentication
- added Google Workspace Aug 2022 · Email
- added jQuery Aug 2022 · JavaScript libraries
- added Moment.js Aug 2022 · JavaScript libraries
- added PWA Aug 2022 · Miscellaneous
- added Ruby Aug 2022 · Programming languages
- added Ruby on Rails Aug 2022 · Web frameworks
- added Salesforce Aug 2022 · CRM
- added Sendgrid Aug 2022 · Email
- added Solvvy Aug 2022 · Live chat
- added Twitter Ads Aug 2022 · Advertising
- added Webpack Aug 2022 · Miscellaneous
- added Zendesk Aug 2022 · Issue trackers
- dropped OneTrust Jul 2022 · Cookie compliance
- dropped Facebook Jun 2022 · Widgets
- dropped Twitter Analytics Jun 2022 · Analytics
- dropped TikTok Pixel May 2022 · Analytics
- added Google Cloud CDN Apr 2022 · CDN
- dropped Snap Pixel Apr 2022 · Advertising
- dropped Google Ads Conversion Tracking Mar 2022 · Analytics
- added OneTrust Mar 2022 · Cookie compliance
- dropped Podsights Mar 2022 · Advertising
- dropped Reddit Ads Mar 2022 · Advertising
- dropped theTradeDesk Mar 2022 · Advertising
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Solvvy Feb 2022 · Live chat
2021 21 added · 9 dropped · 2 switched
- added Cloudflare Bot Management Nov 2021 · Security
- added Envoy Nov 2021 · Reverse proxies
- added Reddit Ads Nov 2021 · Advertising
- switched Wheelio Facebook Oct 2021 · Widgets
- added Facebook Pixel Oct 2021 · Analytics
- added Google Ads Conversion Tracking Oct 2021 · Analytics
- added Podsights Oct 2021 · Advertising
- added Snap Pixel Oct 2021 · Advertising
- added theTradeDesk Oct 2021 · Advertising
- added TikTok Pixel Oct 2021 · Analytics
- added Twitter Ads Oct 2021 · Advertising
- added Twitter Analytics Oct 2021 · Analytics
- added core-js Sep 2021 · JavaScript libraries
- dropped OneTrust Sep 2021 · Cookie compliance
- added Wheelio Sep 2021 · Widgets
- added Moment.js Jul 2021 · JavaScript libraries
- switched Quantcast Choice OneTrust Jul 2021 · Cookie compliance
- added Quantcast Choice Jul 2021 · Cookie compliance
- added Ruby Jul 2021 · Programming languages
- added Ruby on Rails Jul 2021 · Web frameworks
- added Webpack Jul 2021 · Miscellaneous
- added Zendesk May 2021 · CMS
- dropped Font Awesome Mar 2021 · Font scripts
- dropped Moment.js Mar 2021 · JavaScript libraries
- dropped Quantcast Choice Mar 2021 · Cookie compliance
- dropped Ruby Mar 2021 · Programming languages
- dropped Ruby on Rails Mar 2021 · Web frameworks
- dropped TinyMCE Mar 2021 · Rich text editors
- dropped Webpack Mar 2021 · Miscellaneous
- added Apple Sign-in Feb 2021 · Social logins
- added Google Sign-in Feb 2021 · Social logins
- dropped OneTrust Jan 2021 · Cookie compliance
2020 6 added · 4 dropped
- added Quantcast Choice Dec 2020 · Cookie compliance
- dropped Quantcast Choice Nov 2020 · Cookie compliance
- added OneTrust Oct 2020 · Cookie compliance
- added Google Cloud Aug 2020 · CDN
- added Quantcast Choice Aug 2020 · Cookie compliance
- dropped Zendesk Aug 2020 · CMS
- dropped Facebook May 2020 · Widgets
- added Zendesk Mar 2020 · Live Chat
- added Facebook Feb 2020 · Widgets
- dropped reCAPTCHA Jan 2020 · Captchas
2019 3 added · 2 dropped
- dropped jQuery Nov 2019 · JavaScript Libraries
- dropped Lodash Nov 2019 · JavaScript Libraries
- added reCAPTCHA Oct 2019 · Captchas
- added Lodash Jun 2019 · JavaScript Libraries
- added jQuery Mar 2019 · JavaScript Libraries