Technology history for letters.org
Stack size over time
From 8 detected technologies in May 2018 to 35 in Jun 2026 (peak 36).
Currently detected
- Google Font API since May 2018
- jQuery since May 2018
- jQuery Migrate since May 2018
- Google AdSense since May 2018
- WordPress since May 2018
- Google Analytics since Jun 2018
- MySQL since Jun 2018
- Google Tag Manager since Jun 2018
- PHP since Jun 2018
- Google Publisher Tag since Feb 2021
- core-js since Sep 2021
- Cart Functionality since Nov 2021
- LazySizes since Feb 2022
- Media.net since Feb 2022
- Autoptimize since Feb 2022
- reCAPTCHA since Apr 2022
- Snowplow Analytics since May 2022
- HSTS since Oct 2022
- Open Graph since Oct 2022
- RSS since Dec 2022
- Cloudflare since Feb 2023
- Cloudflare Bot Management since Feb 2023
- jsDelivr since Mar 2023
- Criteo since May 2023
- Lodash since Sep 2023
- Contact Form 7 since Sep 2023
- Vue.js since Sep 2023
- ID5 since Oct 2023
- OpenX since Oct 2023
- Really Simple SSL & Security since Apr 2024
- Genesis theme since Dec 2024
- Hostinger since Oct 2025
- Hostinger CDN since Oct 2025
- All in One SEO since Oct 2025
- HTTP/3 since Oct 2025
Previously used
- 33Across Oct 2023 to Nov 2025 · 2 yrs
- Nginx May 2018 to Sep 2025 · 7 yrs
- Twitter Emoji (Twemoji) Jun 2020 to Sep 2025 · 5 yrs
- Prebid Sep 2021 to Feb 2024 · 2 yrs
- RankMath SEO Nov 2022 to Aug 2023 · 9 mo
- C Feb 2023 to Feb 2023 · 1 mo
- Amazon ALB Nov 2021 to Aug 2022 · 9 mo
- Amazon Web Services Nov 2021 to Aug 2022 · 9 mo
- DoubleClick for Publishers (DFP) Jun 2018 to Mar 2022 · 3 yrs
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Babel Jul 2021 to Aug 2021 · 1 mo
- SpotX May 2021 to Jun 2021 · 1 mo
- WP Rocket May 2018 to May 2020 · 2 yrs
- AppNexus Mar 2020 to Mar 2020 · 1 mo
- DoubleClick Campaign Manager (DCM) Mar 2020 to Mar 2020 · 1 mo
- Plesk May 2018 to Jul 2018 · 2 mo
- Webpack Jul 2018 to Jul 2018 · 1 mo
- webpack-2 Jun 2018 to Jun 2018 · 1 mo
Timeline
2026 1 dropped
- dropped 33Across Jan 2026 · Advertising
2025 9 added · 2 dropped
- dropped Nginx Nov 2025 · Web servers
- dropped Twitter Emoji (Twemoji) Nov 2025 · Font scripts
- added All in One SEO Oct 2025 · WordPress plugins
- added Hostinger Oct 2025 · Hosting
- added Hostinger CDN Oct 2025 · CDN
- added HTTP/3 Oct 2025 · Miscellaneous
- added 33Across Jan 2025 · Advertising
- added Criteo Jan 2025 · Advertising
- added Google Publisher Tag Jan 2025 · Advertising
- added OpenX Jan 2025 · Advertising
- added Snowplow Analytics Jan 2025 · Analytics
2024 2 added · 8 dropped
- added Genesis theme Dec 2024 · WordPress themes
- dropped 33Across Nov 2024 · Advertising
- dropped Criteo Nov 2024 · Advertising
- dropped Google Publisher Tag Nov 2024 · Advertising
- dropped OpenX Nov 2024 · Advertising
- dropped Snowplow Analytics Nov 2024 · Analytics
- dropped ID5 Apr 2024 · Advertising
- dropped jsDelivr Apr 2024 · CDN
- dropped Prebid Apr 2024 · Advertising
- added Really Simple SSL & Security Apr 2024 · Security
2023 16 added · 2 dropped · 1 switched
- added 33Across Oct 2023 · Advertising
- added ID5 Oct 2023 · Advertising
- added OpenX Oct 2023 · Advertising
- switched RankMath SEO Contact Form 7 Sep 2023 · WordPress plugins
- added core-js Sep 2023 · JavaScript libraries
- added jQuery Migrate Sep 2023 · JavaScript libraries
- added Lodash Sep 2023 · JavaScript libraries
- added Media.net Sep 2023 · Advertising
- added Twitter Emoji (Twemoji) Sep 2023 · Font scripts
- added Vue.js Sep 2023 · JavaScript frameworks
- added Google Publisher Tag Jun 2023 · Advertising
- added Criteo May 2023 · Advertising
- dropped Google Publisher Tag May 2023 · Advertising
- dropped C Apr 2023 · Programming languages
- added jsDelivr Mar 2023 · CDN
- added Prebid Mar 2023 · Advertising
- added C Feb 2023 · Programming languages
- added Cloudflare Feb 2023 · CDN
- added Cloudflare Bot Management Feb 2023 · Security
2022 26 added · 12 dropped
- added RSS Dec 2022 · Miscellaneous
- dropped Amazon ALB Nov 2022 · Load balancers
- dropped Amazon Web Services Nov 2022 · PaaS
- added RankMath SEO Nov 2022 · WordPress plugins
- added Amazon ALB Aug 2022 · Load balancers
- added Amazon Web Services Aug 2022 · PaaS
- added Autoptimize Aug 2022 · WordPress plugins
- added Cart Functionality Aug 2022 · Ecommerce
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Font API Aug 2022 · Font scripts
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added jQuery Aug 2022 · JavaScript libraries
- added LazySizes Aug 2022 · Performance
- added MySQL Aug 2022 · Databases
- added Nginx Aug 2022 · Web servers
- added PHP Aug 2022 · Programming languages
- added reCAPTCHA Aug 2022 · Security
- added Snowplow Analytics Aug 2022 · Analytics
- added WordPress Aug 2022 · CMS
- dropped Amazon ALB Jun 2022 · Load balancers
- dropped Amazon Web Services Jun 2022 · PaaS
- dropped DoubleClick for Publishers (DFP) May 2022 · Advertising
- dropped Media.net May 2022 · Advertising
- added Snowplow Analytics May 2022 · Analytics
- added Amazon ALB Apr 2022 · Load balancers
- added Amazon Web Services Apr 2022 · PaaS
- dropped core-js Apr 2022 · JavaScript libraries
- dropped Prebid Apr 2022 · Advertising
- added reCAPTCHA Apr 2022 · Security
- added Autoptimize Feb 2022 · Performance
- dropped jQuery Migrate Feb 2022 · JavaScript libraries
- added LazySizes Feb 2022 · JavaScript libraries
- added Media.net Feb 2022 · Advertising
- dropped Twitter Emoji (Twemoji) Feb 2022 · Font scripts
- dropped Amazon ALB Jan 2022 · Load balancers
- dropped Amazon Web Services Jan 2022 · PaaS
2021 11 added · 4 dropped · 1 switched
- dropped Wheelio Dec 2021 · Widgets
- added Amazon ALB Nov 2021 · Load balancers
- added Amazon Web Services Nov 2021 · PaaS
- added Cart Functionality Nov 2021 · Ecommerce
- dropped Babel Oct 2021 · Miscellaneous
- added core-js Sep 2021 · JavaScript libraries
- switched SpotX Prebid Sep 2021 · Advertising
- added Wheelio Sep 2021 · Widgets
- added Babel Jul 2021 · Miscellaneous
- added Google Tag Manager Jul 2021 · Tag managers
- added jQuery Migrate Jul 2021 · JavaScript libraries
- added Twitter Emoji (Twemoji) Jul 2021 · Font scripts
- added SpotX May 2021 · Advertising
- dropped Google Tag Manager Mar 2021 · Tag managers
- dropped Twitter Emoji (Twemoji) Mar 2021 · Miscellaneous
- added Google Publisher Tag Feb 2021 · Advertising
2020 6 added · 7 dropped
- dropped jQuery Migrate Oct 2020 · JavaScript libraries
- dropped WP Rocket Jul 2020 · Caching
- added DoubleClick for Publishers (DFP) Jun 2020 · Advertising
- added Google Tag Manager Jun 2020 · Tag managers
- added Twitter Emoji (Twemoji) Jun 2020 · Miscellaneous
- dropped AppNexus May 2020 · Advertising Networks
- dropped DoubleClick Campaign Manager (DCM) May 2020 · Advertising Networks
- dropped Google Tag Manager May 2020 · Tag Managers
- added AppNexus Mar 2020 · Advertising Networks
- added DoubleClick Campaign Manager (DCM) Mar 2020 · Advertising Networks
- added Google Tag Manager Mar 2020 · Tag Managers
- dropped DoubleClick for Publishers (DFP) Feb 2020 · Advertising Networks
- dropped Google Tag Manager Feb 2020 · Tag Managers
2019 14 added · 5 dropped
- added DoubleClick for Publishers (DFP) Sep 2019 · Advertising Networks
- added Google Tag Manager Sep 2019 · Tag Managers
- dropped DoubleClick for Publishers (DFP) Jul 2019 · Advertising Networks
- dropped Google Tag Manager Jul 2019 · Tag Managers
- added DoubleClick for Publishers (DFP) Mar 2019 · Advertising Networks
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added Nginx Mar 2019 · Web Servers
- added PHP Mar 2019 · Programming Languages
- added WordPress Mar 2019 · Blogs
- added WP Rocket Mar 2019 · Cache Tools
- dropped Plesk Feb 2019 · Hosting Panels
- dropped Webpack Feb 2019 · Miscellaneous
- dropped webpack-2 Jan 2019 · Miscellaneous
2018 7 added
- added Webpack Jul 2018 · Miscellaneous
- added DoubleClick for Publishers (DFP) Jun 2018 · Advertising Networks
- added Google Analytics Jun 2018 · Analytics
- added Google Tag Manager Jun 2018 · Tag Managers
- added MySQL Jun 2018 · Databases
- added PHP Jun 2018 · Programming Languages
- added webpack-2 Jun 2018 · Miscellaneous