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2026-08-01 crawl · observed, not inferred

Technology used by k2-systems.com

73
technologies detected
k2 systems gmbh
company
201-500
employees
renewables & environment
industry
germany
location

Full detected stack

Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.

JavaScript libraries
lit-html3.3.2↩ Jun 2024lit-element4.2.2↩ Jun 2024core-js3.39.0↩ May 2022Select2↩ Aug 2022jQuery Migrate3.4.1↩ May 2022jQuery3.7.1↩ Jan 2019Hammer.js2.0.7↩ Aug 2022core-js3.25.5↩ May 2022jQuery3.7.1↩ Jan 2019
Miscellaneous
Webpack↩ Dec 2022PWA↩ Aug 2022PWA↩ Aug 2022Open Graph↩ Sept 2022HTTP/3↩ Sept 2022Webpack↩ Dec 2022Babel↩ Aug 2022Open Graph↩ Sept 2022
Security
HSTS↩ Sept 2022reCAPTCHA↩ Feb 2023HSTS↩ Sept 2022Cloudflare Bot Management↩ Oct 2022HSTS↩ Sept 2022Cloudflare Bot Management↩ Oct 2022
Webmail
Proton Mail↩ Mar 2026Microsoft 365↩ Aug 2022Proton Mail↩ Mar 2026Microsoft 365↩ Aug 2022Microsoft 365↩ Aug 2022
WordPress plugins
HubSpot WordPress plugin11.3.69↩ Feb 2025Contact Form 76.1.6|6.1.6↩ May 2022Yoast SEO28.2|28.2↩ May 2022WPML4.9.6|4.9.6↩ Mar 2023Site Kit1.184.0|1.184.0↩ Feb 2026
CDN
jsDelivr↩ Oct 2022Cloudflare↩ Aug 2022Cloudflare↩ Aug 2022Google Hosted Libraries↩ Nov 2022
UI frameworks
Tailwind CSS↩ Apr 2022Tailwind CSS↩ Apr 2022Tailwind CSS↩ Apr 2022
Analytics
HubSpot Analytics↩ Feb 2025Linkedin Insight Tag↩ Apr 2025Google Analytics↩ Jan 2019
Maps
Google Maps↩ Apr 2019Leaflet1.9.3↩ Aug 2022
PaaS
Amazon Web Services↩ Sept 2021WP Engine↩ May 2022
Marketing automation
HubSpot↩ Nov 2024HubSpot↩ Nov 2024
Video players
Twitch Player↩ Dec 2024Twitch Player↩ Dec 2024
Advertising
Microsoft Advertising↩ Dec 2024Microsoft Advertising↩ Dec 2024
Appointment scheduling
Calendly↩ Dec 2024Calendly↩ Dec 2024
Cookie compliance
Usercentrics↩ Dec 2024Usercentrics↩ Dec 2024
Tag managers
Google Tag Manager↩ Jan 2019Google Tag Manager↩ Jan 2019
Issue trackers
Sentry↩ Aug 2022
JavaScript graphics
Three.js148↩ Mar 2023
Load balancers
Amazon ALB↩ Sept 2021
JavaScript frameworks
Vue.js↩ Sept 2020
User onboarding
Userpilot↩ Apr 2022
CMS
WordPress↩ May 2022
Databases
MySQL↩ May 2022
Programming languages
PHP↩ Jan 2019
SEO
Yoast SEO Premium28.2↩ May 2022
Performance
Priority Hints↩ Aug 2024
Font scripts
Twitter Emoji (Twemoji)↩ May 2022
Operating systems
Ubuntu↩ May 2020
Web servers
Apache HTTP Server2.4.52↩ Dec 2022
Comment systems
Livefyre1.9.3↩ Aug 2022
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