Technology history for 21cats.org
Stack size over time
From 14 detected technologies in Jul 2022 to 16 in Jun 2026 (peak 41).
Currently detected
- jQuery since Jul 2022
- jQuery Migrate since Jul 2022
- PHP since Jul 2022
- WordPress since Jul 2022
- GeneratePress since Jul 2022
- MySQL since Jul 2022
- Google Analytics since Aug 2022
- Open Graph since Sep 2022
- RSS since Dec 2022
- GeneratePress GP Premium since Apr 2023
- Priority Hints since Jun 2023
- RankMath SEO since Dec 2023
- Nginx since Mar 2024
- Really Simple SSL & Security since Apr 2024
- Burst since Jun 2024
- WordPress Block Editor since Jul 2024
Previously used
- Contact Form 7 Jul 2022 to Sep 2025 · 3 yrs
- Twitter Emoji (Twemoji) Jul 2022 to May 2024 · 1 yr
- WordPress Super Cache Mar 2024 to Apr 2024 · 1 mo
- Cloudflare Jul 2022 to Feb 2024 · 1 yr
- HTTP/3 Sep 2022 to Feb 2024 · 1 yr
- core-js Jul 2022 to Jan 2024 · 1 yr
- Ezoic Jul 2022 to Jan 2024 · 1 yr
- Google Tag Manager Aug 2022 to Jan 2024 · 1 yr
- Quantcast Measure Jul 2022 to Jan 2024 · 1 yr
- web-vitals Jul 2022 to Jan 2024 · 1 yr
- Adobe Audience Manager Nov 2022 to Aug 2023 · 9 mo
- Amazon Advertising Aug 2023 to Aug 2023 · 1 mo
- AppNexus Sep 2022 to Aug 2023 · 11 mo
- Cart Functionality Aug 2023 to Aug 2023 · 1 mo
- Cloudflare Bot Management Dec 2022 to Aug 2023 · 8 mo
- Conversant Consent Tool Aug 2023 to Aug 2023 · 1 mo
- Criteo Aug 2022 to Aug 2023 · 1 yr
- DoubleClick Campaign Manager (DCM) Jun 2023 to Aug 2023 · 2 mo
- Funding Choices Aug 2023 to Aug 2023 · 1 mo
- Google AdSense Aug 2022 to Aug 2023 · 1 yr
- Google Analytics Enhanced eCommerce Aug 2023 to Aug 2023 · 1 mo
- Google Publisher Tag Aug 2022 to Aug 2023 · 1 yr
- jsDelivr Jun 2023 to Aug 2023 · 2 mo
- OpenX Sep 2022 to Aug 2023 · 11 mo
- Prebid Sep 2022 to Aug 2023 · 11 mo
- PubMatic Dec 2022 to Aug 2023 · 8 mo
- reCAPTCHA Aug 2022 to Aug 2023 · 1 yr
- Rubicon Project Aug 2022 to Aug 2023 · 1 yr
- Snowplow Analytics Sep 2022 to Aug 2023 · 11 mo
- Tapad Aug 2023 to Aug 2023 · 1 mo
- VideoJS Jun 2023 to Aug 2023 · 2 mo
- Amazon ALB May 2023 to Jun 2023 · 1 mo
- Amazon Web Services May 2023 to Jun 2023 · 1 mo
- theTradeDesk Aug 2022 to Jun 2023 · 10 mo
- Cloudflare Network Error Logging Jul 2022 to Oct 2022 · 3 mo
Timeline
2025 1 dropped
- dropped Contact Form 7 Nov 2025 · WordPress plugins
2024 7 added · 10 dropped
- added Google Analytics Jul 2024 · Analytics
- dropped Twitter Emoji (Twemoji) Jul 2024 · Font scripts
- added WordPress Block Editor Jul 2024 · Page builders
- added Burst Jun 2024 · Analytics
- dropped WordPress Super Cache Jun 2024 · WordPress plugins
- added Twitter Emoji (Twemoji) May 2024 · Font scripts
- dropped Cloudflare Apr 2024 · CDN
- dropped Google Analytics Apr 2024 · Analytics
- dropped HTTP/3 Apr 2024 · Miscellaneous
- added Really Simple SSL & Security Apr 2024 · Security
- dropped core-js Mar 2024 · JavaScript libraries
- dropped Ezoic Mar 2024 · Analytics
- dropped Google Tag Manager Mar 2024 · Tag managers
- added Nginx Mar 2024 · Web servers
- dropped Quantcast Measure Mar 2024 · Analytics
- dropped web-vitals Mar 2024 · JavaScript libraries
- added WordPress Super Cache Mar 2024 · WordPress plugins
2023 23 added · 33 dropped · 4 switched
- added RankMath SEO Dec 2023 · WordPress plugins
- dropped Twitter Emoji (Twemoji) Nov 2023 · Font scripts
- dropped Adobe Audience Manager Oct 2023 · Segmentation
- dropped Amazon Advertising Oct 2023 · Advertising
- dropped AppNexus Oct 2023 · Advertising
- dropped Cart Functionality Oct 2023 · Ecommerce
- dropped Cloudflare Bot Management Oct 2023 · Security
- dropped Criteo Oct 2023 · Advertising
- dropped DoubleClick Campaign Manager (DCM) Oct 2023 · Advertising
- dropped Google AdSense Oct 2023 · Advertising
- dropped Google Analytics Enhanced eCommerce Oct 2023 · Analytics
- dropped Google Publisher Tag Oct 2023 · Advertising
- dropped jsDelivr Oct 2023 · CDN
- dropped OpenX Oct 2023 · Advertising
- dropped Prebid Oct 2023 · Advertising
- added Priority Hints Oct 2023 · Performance
- dropped PubMatic Oct 2023 · Advertising
- dropped Rubicon Project Oct 2023 · Advertising
- dropped Tapad Oct 2023 · Advertising
- dropped VideoJS Oct 2023 · Video players
- added Adobe Audience Manager Aug 2023 · Segmentation
- added Amazon Advertising Aug 2023 · Advertising
- dropped Amazon ALB Aug 2023 · Load balancers
- dropped Amazon Web Services Aug 2023 · PaaS
- added AppNexus Aug 2023 · Advertising
- added Cart Functionality Aug 2023 · Ecommerce
- switched reCAPTCHA Cloudflare Bot Management Aug 2023 · Security
- switched Funding Choices Conversant Consent Tool Aug 2023 · Cookie compliance
- added core-js Aug 2023 · JavaScript libraries
- switched Conversant Consent Tool Funding Choices Aug 2023 · Cookie compliance
- switched Snowplow Analytics Google Analytics Enhanced eCommerce Aug 2023 · Analytics
- dropped Priority Hints Aug 2023 · Performance
- added Tapad Aug 2023 · Advertising
- dropped theTradeDesk Aug 2023 · Advertising
- added Criteo Jun 2023 · Advertising
- added DoubleClick Campaign Manager (DCM) Jun 2023 · Advertising
- added Google AdSense Jun 2023 · Advertising
- added Google Publisher Tag Jun 2023 · Advertising
- added jsDelivr Jun 2023 · CDN
- added OpenX Jun 2023 · Advertising
- added Prebid Jun 2023 · Advertising
- added Priority Hints Jun 2023 · Performance
- added Snowplow Analytics Jun 2023 · Analytics
- added VideoJS Jun 2023 · Video players
- added Amazon ALB May 2023 · Load balancers
- added Amazon Web Services May 2023 · PaaS
- dropped Cloudflare Bot Management May 2023 · Security
- dropped Criteo May 2023 · Advertising
- dropped Google Publisher Tag May 2023 · Advertising
- dropped core-js Apr 2023 · JavaScript libraries
- added GeneratePress GP Premium Apr 2023 · WordPress plugins
- dropped Google AdSense Apr 2023 · Advertising
- added PubMatic Apr 2023 · Advertising
- added Criteo Mar 2023 · Advertising
- dropped PubMatic Mar 2023 · Advertising
- dropped Criteo Feb 2023 · Advertising
- dropped OpenX Feb 2023 · Advertising
- dropped Prebid Feb 2023 · Advertising
- dropped Snowplow Analytics Feb 2023 · Analytics
- dropped Adobe Audience Manager Jan 2023 · Segmentation
2022 18 added · 2 dropped
- dropped AppNexus Dec 2022 · Advertising
- added Cloudflare Bot Management Dec 2022 · Security
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added PubMatic Dec 2022 · Advertising
- added RSS Dec 2022 · Miscellaneous
- added Adobe Audience Manager Nov 2022 · Segmentation
- added AppNexus Sep 2022 · Advertising
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added OpenX Sep 2022 · Advertising
- added Prebid Sep 2022 · Advertising
- added Snowplow Analytics Sep 2022 · Analytics
- added Criteo Aug 2022 · Advertising
- added Google AdSense 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 reCAPTCHA Aug 2022 · Security
- added Rubicon Project Aug 2022 · Advertising
- added theTradeDesk Aug 2022 · Advertising