Technology history for problemsphysics.com
Stack size over time
From 9 detected technologies in Apr 2018 to 10 in Jun 2026 (peak 38).
Currently detected
- Google AdSense since Apr 2018
- Google Font API since Apr 2018
- Google Tag Manager since Aug 2018
- reCAPTCHA since Apr 2022
- Apache HTTP Server since Oct 2022
- jsDelivr since Apr 2023
- Funding Choices since May 2025
- GoDaddy since May 2025
- KaTeX since May 2026
- WhatsApp Business Chat since May 2026
Previously used
- Cloudflare Mar 2020 to Apr 2025 · 5 yrs
- Ezoic Apr 2021 to Apr 2025 · 4 yrs
- HTTP/3 Sep 2022 to Apr 2025 · 2 yrs
- Quantcast Measure Aug 2018 to Apr 2025 · 6 yrs
- web-vitals Feb 2022 to Apr 2025 · 3 yrs
- Bootstrap Sep 2018 to Jan 2025 · 6 yrs
- core-js Oct 2021 to Jan 2025 · 3 yrs
- Google Hosted Libraries Feb 2022 to Jan 2025 · 2 yrs
- ID5 Oct 2023 to Jan 2025 · 1 yr
- jQuery Apr 2018 to Jan 2025 · 6 yrs
- Open Graph Sep 2022 to Jan 2025 · 2 yrs
- Ubuntu Oct 2022 to Jan 2025 · 2 yrs
- VideoJS Nov 2022 to May 2024 · 1 yr
- 33Across Oct 2023 to Oct 2023 · 1 mo
- Adobe Audience Manager Jun 2022 to Oct 2023 · 1 yr
- Amazon Advertising Jun 2021 to Oct 2023 · 2 yrs
- AppNexus Aug 2018 to Oct 2023 · 5 yrs
- Cart Functionality Mar 2023 to Oct 2023 · 7 mo
- Conversant Consent Tool Aug 2023 to Oct 2023 · 2 mo
- Criteo Aug 2018 to Oct 2023 · 5 yrs
- Google Analytics Aug 2018 to Oct 2023 · 5 yrs
- Google Analytics Enhanced eCommerce Mar 2023 to Oct 2023 · 7 mo
- Google Publisher Tag Feb 2021 to Oct 2023 · 2 yrs
- OpenX Jan 2022 to Oct 2023 · 1 yr
- Prebid Apr 2023 to Oct 2023 · 6 mo
- Rubicon Project Jan 2022 to Oct 2023 · 1 yr
- Smart Ad Server May 2023 to Oct 2023 · 5 mo
- Snowplow Analytics Oct 2021 to Oct 2023 · 2 yrs
- Tapad Mar 2023 to Oct 2023 · 7 mo
- DoubleClick Campaign Manager (DCM) Nov 2022 to Aug 2023 · 9 mo
- PubMatic Nov 2020 to Aug 2023 · 2 yrs
- Amazon ALB Jan 2023 to Jul 2023 · 6 mo
- Amazon Web Services Jan 2023 to Jul 2023 · 6 mo
- Cloudflare Bot Management Dec 2021 to Jun 2023 · 1 yr
- theTradeDesk Apr 2023 to Jun 2023 · 2 mo
- GumGum Apr 2022 to Mar 2023 · 11 mo
- Choices May 2021 to Dec 2022 · 1 yr
- Cloudflare Network Error Logging Feb 2022 to Oct 2022 · 8 mo
- Nginx Apr 2018 to Sep 2022 · 4 yrs
- Google Core Web Vitals Sep 2021 to Jan 2022 · 4 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Quantcast Choice Aug 2020 to Jul 2021 · 11 mo
- Outbrain Apr 2018 to May 2021 · 3 yrs
- Facebook Dec 2018 to Mar 2021 · 2 yrs
- Font Awesome Apr 2018 to Mar 2021 · 2 yrs
- Twitter Aug 2018 to Mar 2021 · 2 yrs
- comScore Apr 2018 to Feb 2021 · 2 yrs
- DoubleClick Ad Exchange (AdX) Apr 2018 to Feb 2021 · 2 yrs
- Varnish Apr 2018 to Dec 2019 · 1 yr
- DoubleClick for Publishers (DFP) Aug 2018 to Aug 2019 · 1 yr
- Google Plus Aug 2018 to Jun 2019 · 10 mo
Timeline
2026 4 added
- added jsDelivr May 2026 · CDN
- added KaTeX May 2026 · JavaScript graphics
- added WhatsApp Business Chat May 2026 · Live chat
- added Google Font API Mar 2026 · Font scripts
2025 3 added · 10 dropped · 1 switched
- dropped Cloudflare Jun 2025 · CDN
- dropped Ezoic Jun 2025 · Analytics
- dropped HTTP/3 Jun 2025 · Miscellaneous
- dropped Quantcast Measure Jun 2025 · Analytics
- dropped web-vitals Jun 2025 · JavaScript libraries
- added Funding Choices May 2025 · Cookie compliance
- added GoDaddy May 2025 · Hosting
- dropped Bootstrap Mar 2025 · UI frameworks
- dropped core-js Mar 2025 · JavaScript libraries
- dropped Google Hosted Libraries Mar 2025 · CDN
- dropped Open Graph Mar 2025 · Miscellaneous
- dropped Ubuntu Mar 2025 · Operating systems
- switched ID5 Google AdSense Feb 2025 · Advertising
- added reCAPTCHA Feb 2025 · Security
2024 3 added · 4 dropped · 1 switched
- switched jQuery core-js Dec 2024 · JavaScript libraries
- added ID5 Dec 2024 · Advertising
- dropped core-js Oct 2024 · JavaScript libraries
- added core-js Aug 2024 · JavaScript libraries
- dropped VideoJS Jul 2024 · Video players
- added VideoJS May 2024 · Video players
- dropped core-js Mar 2024 · JavaScript libraries
- dropped VideoJS Mar 2024 · Video players
2023 51 added · 31 dropped
- dropped 33Across Dec 2023 · Advertising
- dropped Adobe Audience Manager Dec 2023 · Segmentation
- dropped Amazon Advertising Dec 2023 · Advertising
- dropped AppNexus Dec 2023 · Advertising
- dropped Cart Functionality Dec 2023 · Ecommerce
- dropped Conversant Consent Tool Dec 2023 · Cookie compliance
- dropped Criteo Dec 2023 · Advertising
- dropped Google Analytics Dec 2023 · Analytics
- dropped Google Analytics Enhanced eCommerce Dec 2023 · Analytics
- dropped Google Publisher Tag Dec 2023 · Advertising
- dropped ID5 Dec 2023 · Advertising
- dropped jsDelivr Dec 2023 · CDN
- dropped OpenX Dec 2023 · Advertising
- dropped Prebid Dec 2023 · Advertising
- dropped Rubicon Project Dec 2023 · Advertising
- dropped Smart Ad Server Dec 2023 · Advertising
- dropped Snowplow Analytics Dec 2023 · Analytics
- dropped Tapad Dec 2023 · Advertising
- added 33Across Oct 2023 · Advertising
- dropped DoubleClick Campaign Manager (DCM) Oct 2023 · Advertising
- dropped Google AdSense Oct 2023 · Advertising
- added ID5 Oct 2023 · Advertising
- dropped PubMatic Oct 2023 · Advertising
- dropped reCAPTCHA Oct 2023 · Security
- dropped Amazon ALB Sep 2023 · Load balancers
- dropped Amazon Web Services Sep 2023 · PaaS
- dropped Cloudflare Bot Management Aug 2023 · Security
- added Conversant Consent Tool Aug 2023 · Cookie compliance
- added core-js Aug 2023 · JavaScript libraries
- dropped theTradeDesk Aug 2023 · Advertising
- added Cloudflare Bot Management Jun 2023 · Security
- added Google Publisher Tag Jun 2023 · Advertising
- added Adobe Audience Manager May 2023 · Segmentation
- added Amazon Advertising May 2023 · Advertising
- added Amazon ALB May 2023 · Load balancers
- added Amazon Web Services May 2023 · PaaS
- added Apache HTTP Server May 2023 · Web servers
- added AppNexus May 2023 · Advertising
- added Bootstrap May 2023 · UI frameworks
- added Cart Functionality May 2023 · Ecommerce
- added Cloudflare May 2023 · CDN
- dropped Cloudflare Bot Management May 2023 · Security
- added Criteo May 2023 · Advertising
- added DoubleClick Campaign Manager (DCM) May 2023 · Advertising
- added Ezoic May 2023 · Advertising
- added Google AdSense May 2023 · Advertising
- added Google Analytics May 2023 · Analytics
- added Google Analytics Enhanced eCommerce May 2023 · Analytics
- added Google Hosted Libraries May 2023 · CDN
- dropped Google Publisher Tag May 2023 · Advertising
- added Google Tag Manager May 2023 · Tag managers
- dropped GumGum May 2023 · Advertising
- added HTTP/3 May 2023 · Miscellaneous
- added jQuery May 2023 · JavaScript libraries
- added jsDelivr May 2023 · CDN
- added Open Graph May 2023 · Miscellaneous
- added OpenX May 2023 · Advertising
- added Prebid May 2023 · Advertising
- added PubMatic May 2023 · Advertising
- added Quantcast Measure May 2023 · Analytics
- added reCAPTCHA May 2023 · Security
- added Rubicon Project May 2023 · Advertising
- added Smart Ad Server May 2023 · Advertising
- added Snowplow Analytics May 2023 · Analytics
- added Tapad May 2023 · Advertising
- added theTradeDesk May 2023 · Advertising
- added Ubuntu May 2023 · Operating systems
- added VideoJS May 2023 · Video players
- added web-vitals May 2023 · JavaScript libraries
- added jsDelivr Apr 2023 · CDN
- added Prebid Apr 2023 · Advertising
- added Snowplow Analytics Apr 2023 · Analytics
- added theTradeDesk Apr 2023 · Advertising
- added Cart Functionality Mar 2023 · Ecommerce
- added Cloudflare Bot Management Mar 2023 · Security
- added Google Analytics Enhanced eCommerce Mar 2023 · Analytics
- added GumGum Mar 2023 · Advertising
- added Tapad Mar 2023 · Advertising
- dropped Choices Feb 2023 · JavaScript libraries
- dropped Cloudflare Bot Management Feb 2023 · Security
- added Amazon ALB Jan 2023 · Load balancers
- added Amazon Web Services Jan 2023 · PaaS
2022 38 added · 9 dropped · 2 switched
- added Cloudflare Bot Management Dec 2022 · Security
- dropped Cloudflare Network Error Logging Dec 2022 · Issue trackers
- added Criteo Nov 2022 · Advertising
- added DoubleClick Campaign Manager (DCM) Nov 2022 · Advertising
- added VideoJS Nov 2022 · Video players
- switched Nginx Apache HTTP Server Oct 2022 · Web servers
- added Ubuntu Oct 2022 · Operating systems
- added HTTP/3 Sep 2022 · Miscellaneous
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon Advertising Aug 2022 · Advertising
- added AppNexus Aug 2022 · Advertising
- added Choices Aug 2022 · JavaScript libraries
- added Cloudflare Aug 2022 · CDN
- dropped Cloudflare Bot Management Aug 2022 · Security
- added Cloudflare Network Error Logging Aug 2022 · Issue trackers
- dropped Criteo Aug 2022 · Advertising
- added Ezoic Aug 2022 · Analytics
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added Google Hosted Libraries Aug 2022 · CDN
- added Google Publisher Tag Aug 2022 · Advertising
- added Google Tag Manager Aug 2022 · Tag managers
- added jQuery Aug 2022 · JavaScript libraries
- added Nginx Aug 2022 · Web servers
- added PubMatic Aug 2022 · Advertising
- added Quantcast Measure Aug 2022 · Analytics
- added reCAPTCHA Aug 2022 · Security
- added Rubicon Project Aug 2022 · Advertising
- added web-vitals Aug 2022 · JavaScript libraries
- added Bootstrap Jul 2022 · UI frameworks
- dropped GumGum Jul 2022 · Advertising
- added Adobe Audience Manager Jun 2022 · Segmentation
- dropped Bootstrap Jun 2022 · UI frameworks
- dropped Rubicon Project Jun 2022 · Advertising
- dropped core-js May 2022 · JavaScript libraries
- added Google AdSense May 2022 · Advertising
- added Bootstrap Apr 2022 · UI frameworks
- added Cloudflare Bot Management Apr 2022 · Security
- added GumGum Apr 2022 · Advertising
- added reCAPTCHA Apr 2022 · Security
- dropped Bootstrap Feb 2022 · UI frameworks
- dropped Cloudflare Bot Management Feb 2022 · Security
- added Cloudflare Network Error Logging Feb 2022 · Issue trackers
- added Google Hosted Libraries Feb 2022 · CDN
- switched Google Core Web Vitals web-vitals Feb 2022 · RUM
- added AppNexus Jan 2022 · Advertising
- added Criteo Jan 2022 · Advertising
- added OpenX Jan 2022 · Advertising
- added Rubicon Project Jan 2022 · Advertising
2021 11 added · 14 dropped · 2 switched
- added Cloudflare Bot Management Dec 2021 · Security
- dropped Google AdSense Dec 2021 · Advertising
- dropped Snowplow Analytics Dec 2021 · IaaS
- dropped Wheelio Dec 2021 · Widgets
- added core-js Oct 2021 · JavaScript libraries
- added PubMatic Oct 2021 · Advertising
- added Snowplow Analytics Oct 2021 · IaaS
- added Google Core Web Vitals Sep 2021 · RUM
- dropped Quantcast Choice Sep 2021 · Cookie compliance
- switched Outbrain Wheelio Sep 2021 · Widgets
- added Amazon Advertising Jun 2021 · Advertising
- dropped AppNexus Jun 2021 · Advertising
- added Google AdSense Jun 2021 · Advertising
- added Quantcast Choice Jun 2021 · Cookie compliance
- added Choices May 2021 · Miscellaneous
- dropped Facebook May 2021 · Widgets
- dropped Font Awesome May 2021 · Font scripts
- dropped Google Font API May 2021 · Font scripts
- dropped Twitter May 2021 · Widgets
- dropped DoubleClick Ad Exchange (AdX) Apr 2021 · Advertising
- switched comScore Ezoic Apr 2021 · Analytics
- dropped Google AdSense Apr 2021 · Advertising
- dropped Criteo Mar 2021 · Advertising
- added Outbrain Mar 2021 · Widgets
- dropped PubMatic Mar 2021 · Advertising
- dropped Quantcast Choice Mar 2021 · Cookie compliance
- added Google Publisher Tag Feb 2021 · Advertising
2020 6 added · 4 dropped
- added AppNexus Nov 2020 · Advertising
- added PubMatic Nov 2020 · Advertising
- added Bootstrap Oct 2020 · UI frameworks
- dropped Outbrain Oct 2020 · Widgets
- added Quantcast Choice Aug 2020 · Cookie compliance
- dropped Bootstrap May 2020 · UI Frameworks
- added Outbrain Apr 2020 · Widgets
- dropped AppNexus Mar 2020 · Advertising Networks
- added Cloudflare Mar 2020 · CDN
- dropped Varnish Feb 2020 · Cache Tools
2019 21 added · 5 dropped
- added Bootstrap Dec 2019 · Web Frameworks
- dropped Bootstrap Oct 2019 · Web Frameworks
- dropped DoubleClick for Publishers (DFP) Oct 2019 · Advertising Networks
- dropped Google Plus Aug 2019 · Widgets
- dropped Outbrain Jul 2019 · Widgets
- added Bootstrap May 2019 · Web Frameworks
- dropped Bootstrap Apr 2019 · Web Frameworks
- added AppNexus Mar 2019 · Advertising Networks
- added comScore Mar 2019 · Analytics
- added Criteo Mar 2019 · Advertising Networks
- added DoubleClick Ad Exchange (AdX) Mar 2019 · Advertising Networks
- added DoubleClick for Publishers (DFP) Mar 2019 · Advertising Networks
- added Facebook Mar 2019 · Widgets
- added Font Awesome Mar 2019 · Font Scripts
- added Google AdSense Mar 2019 · Advertising Networks
- added Google Analytics Mar 2019 · Analytics
- added Google Font API Mar 2019 · Font Scripts
- added Google Plus Mar 2019 · Widgets
- added Google Tag Manager Mar 2019 · Tag Managers
- added jQuery Mar 2019 · JavaScript Libraries
- added Nginx Mar 2019 · Web Servers
- added Outbrain Mar 2019 · Widgets
- added Quantcast Measure Mar 2019 · Analytics
- added Twitter Mar 2019 · Widgets
- added Varnish Mar 2019 · Cache Tools
- added Bootstrap Feb 2019 · Web Frameworks