Technology history for centrica.com

Stack size over time

From 4 detected technologies in Apr 2018 to 37 in Jun 2026 (peak 39).

Currently detected

Google Tag Manager since Apr 2018
PHP since Jun 2018
jQuery since Jun 2018
Microsoft ASP.NET since Oct 2019
FancyBox since Oct 2019
Flickity since Oct 2019
OneTrust since Apr 2021
Azure since Jun 2022
Azure Front Door since Jun 2022
Microsoft 365 since Aug 2022
Knockout.js since Sep 2022
Open Graph since Sep 2022
HSTS since Sep 2022
Apache HTTP Server since Sep 2022
Webpack since Sep 2022
Apple iCloud Mail since Jan 2023
jQuery Migrate since Jun 2023
RSS since Jun 2023
Google Font API since Jun 2023
LiteSpeed since Jun 2023
MySQL since Jun 2023
WordPress since Jun 2023
HTTP/3 since Jun 2023
Yoast SEO since Jun 2023
DocuSign since Nov 2023
Cloudflare since Dec 2023
Cloudflare Bot Management since Dec 2023
LazySizes since Dec 2023
Vimeo since Dec 2023
Bootstrap since Jun 2024
jQuery CDN since Jun 2024
Amazon Web Services since Jun 2024
jsDelivr since Jun 2024
Popper since Jun 2024
Microsoft Clarity since Apr 2025
Envoy since May 2025
Microsoft Advertising since Dec 2025

Previously used

Azure Monitor Jun 2023 to Apr 2026 · 2 yrs
Microsoft Application Insights Jan 2023 to Apr 2026 · 3 yrs
Java May 2024 to May 2024 · 1 mo
Babel Mar 2020 to Nov 2023 · 3 yrs
Chart.js Oct 2019 to Nov 2023 · 4 yrs
core-js Aug 2021 to Nov 2023 · 2 yrs
Fireblade Oct 2019 to Nov 2023 · 4 yrs
Isotope Jul 2021 to Nov 2023 · 2 yrs
Umbraco Oct 2023 to Nov 2023 · 1 mo
Vue.js Apr 2018 to Nov 2023 · 5 yrs
Tailwind CSS Apr 2022 to Apr 2022 · 1 mo
Linkedin Insight Tag Jul 2021 to Nov 2021 · 4 mo
Wheelio Sep 2021 to Oct 2021 · 1 mo
Polyfill Oct 2019 to Aug 2021 · 1 yr
IIS Oct 2019 to Jul 2020 · 9 mo
Windows Server Oct 2019 to Jul 2020 · 9 mo
Drupal Apr 2018 to Aug 2019 · 1 yr
Facebook Jul 2018 to Aug 2019 · 1 yr
Google Analytics Jun 2018 to Aug 2019 · 1 yr
Hotjar Jun 2018 to Aug 2019 · 1 yr
Nginx Jun 2018 to Aug 2019 · 1 yr
Incapsula Apr 2018 to May 2018 · 1 mo

Timeline

2026 2 dropped

dropped Azure Monitor Jun 2026 · Analytics
dropped Microsoft Application Insights Jun 2026 · RUM

2025 3 added

added Microsoft Advertising Dec 2025 · Advertising
added Envoy May 2025 · Reverse proxies
added Microsoft Clarity Apr 2025 · Analytics

2024 1 added · 6 dropped

dropped Java Jul 2024 · Programming languages
added Java May 2024 · Programming languages
dropped Chart.js Jan 2024 · JavaScript graphics
dropped core-js Jan 2024 · JavaScript libraries
dropped Isotope Jan 2024 · JavaScript libraries
dropped Umbraco Jan 2024 · CMS
dropped Vue.js Jan 2024 · JavaScript frameworks

2023 11 added · 3 dropped · 2 switched

added Azure Monitor Dec 2023 · Performance
switched Fireblade Cloudflare Dec 2023 · CDN
added Cloudflare Bot Management Dec 2023 · Security
added LazySizes Dec 2023 · JavaScript libraries
added Microsoft Application Insights Dec 2023 · RUM
added Vimeo Dec 2023 · Video players
switched Babel DocuSign Nov 2023 · Miscellaneous
added Microsoft ASP.NET Oct 2023 · Web frameworks
added Umbraco Oct 2023 · CMS
dropped Azure Monitor Aug 2023 · Analytics
dropped Microsoft Application Insights Aug 2023 · RUM
added Azure Monitor Jun 2023 · Analytics
added Microsoft Application Insights Jun 2023 · RUM
dropped Microsoft Application Insights Mar 2023 · RUM
added Apple iCloud Mail Jan 2023 · Webmail
added Microsoft Application Insights Jan 2023 · RUM

2022 19 added · 2 dropped

added HSTS Sep 2022 · Security
added Open Graph Sep 2022 · Miscellaneous
added Azure Aug 2022 · PaaS
added Azure Front Door Aug 2022 · Load balancers
added Babel Aug 2022 · Miscellaneous
added Chart.js Aug 2022 · JavaScript graphics
added core-js Aug 2022 · JavaScript libraries
added FancyBox Aug 2022 · JavaScript libraries
added Fireblade Aug 2022 · CDN
added Flickity Aug 2022 · JavaScript libraries
added Google Tag Manager Aug 2022 · Tag managers
added Isotope Aug 2022 · JavaScript libraries
added jQuery Aug 2022 · JavaScript libraries
added Microsoft 365 Aug 2022 · Webmail
added OneTrust Aug 2022 · Cookie compliance
added Vue.js Aug 2022 · JavaScript frameworks
added Azure Jun 2022 · PaaS
added Azure Front Door Jun 2022 · Load balancers
dropped Tailwind CSS Jun 2022 · UI frameworks
added Tailwind CSS Apr 2022 · UI frameworks
dropped Linkedin Insight Tag Jan 2022 · Analytics

2021 10 added · 7 dropped

dropped Wheelio Dec 2021 · Widgets
dropped Polyfill Oct 2021 · JavaScript libraries
added Wheelio Sep 2021 · Widgets
added core-js Aug 2021 · JavaScript libraries
added Babel Jul 2021 · Miscellaneous
added Chart.js Jul 2021 · JavaScript graphics
added FancyBox Jul 2021 · JavaScript libraries
added Flickity Jul 2021 · JavaScript libraries
added Isotope Jul 2021 · JavaScript libraries
added Linkedin Insight Tag Jul 2021 · Analytics
added Vue.js Jul 2021 · JavaScript frameworks
added OneTrust Apr 2021 · Cookie compliance
dropped Babel Mar 2021 · Miscellaneous
dropped Chart.js Mar 2021 · JavaScript graphics
dropped FancyBox Mar 2021 · JavaScript libraries
dropped Flickity Mar 2021 · JavaScript libraries
dropped Vue.js Mar 2021 · JavaScript frameworks

2020 2 added · 3 dropped

dropped IIS Sep 2020 · Web servers
dropped Microsoft ASP.NET Sep 2020 · Web frameworks
dropped Windows Server Sep 2020 · Operating systems
added Fireblade Apr 2020 · CDN
added Babel Mar 2020 · Miscellaneous

2019 8 added · 7 dropped

dropped Fireblade Dec 2019 · CDN
dropped Drupal Nov 2019 · CMS
dropped Facebook Nov 2019 · Widgets
dropped Google Analytics Nov 2019 · Analytics
dropped Hotjar Nov 2019 · Analytics
dropped Nginx Nov 2019 · Reverse Proxy
dropped PHP Nov 2019 · Programming Languages
added Drupal Mar 2019 · CMS
added Facebook Mar 2019 · Widgets
added Google Analytics Mar 2019 · Analytics
added Google Tag Manager Mar 2019 · Tag Managers
added Hotjar Mar 2019 · Analytics
added jQuery Mar 2019 · JavaScript Libraries
added Nginx Mar 2019 · Web Servers
added PHP Mar 2019 · Programming Languages

2018 6 added · 2 dropped

added Facebook Jul 2018 · Widgets
dropped Incapsula Jul 2018 · CDN
added Google Analytics Jun 2018 · Analytics
added Hotjar Jun 2018 · Analytics
added jQuery Jun 2018 · JavaScript Frameworks
added Nginx Jun 2018 · Web Servers
added PHP Jun 2018 · Programming Languages
dropped Vue.js Jun 2018 · JavaScript Frameworks

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