Technology history for 21cars.com
Stack size over time
From 15 detected technologies in Jun 2023 to 19 in Jun 2026 (peak 24).
Currently detected
- American Express since Jun 2023
- Apple Pay since Jun 2023
- Cart Functionality since Jun 2023
- HTTP/3 since Jun 2023
- Mastercard since Jun 2023
- PayPal since Jun 2023
- Visa since Jun 2023
- Cloudflare since Jun 2023
- HSTS since Jun 2023
- Open Graph since Jun 2023
- Hostpoint since Jun 2023
- Priority Hints since Jun 2023
- Shop Pay since Jun 2023
- Shopify since Jun 2023
- Google Pay since Jun 2023
- WhatsApp Business Chat since Mar 2024
- Microsoft Advertising since Apr 2025
- jsDelivr since Dec 2025
- Klarna Checkout since Feb 2026
Previously used
- YouTube Apr 2026 to Apr 2026 · 1 mo
- Swiper Dec 2025 to Feb 2026 · 2 mo
- Cloudflare Bot Management Nov 2023 to Jan 2026 · 2 yrs
- core-js Aug 2023 to May 2025 · 1 yr
- Elevar Mar 2025 to May 2025 · 2 mo
- Facebook Pixel Aug 2023 to May 2025 · 1 yr
- Google Analytics Aug 2023 to May 2025 · 1 yr
- Google Tag Manager Aug 2023 to May 2025 · 1 yr
- TikTok Pixel Aug 2023 to May 2025 · 1 yr
- Envoy Apr 2024 to Apr 2024 · 1 mo
- Google Hosted Libraries Jul 2023 to Nov 2023 · 4 mo
- jQuery Jul 2023 to Nov 2023 · 4 mo
Timeline
2026 3 added · 4 dropped
- added jsDelivr Jun 2026 · CDN
- dropped YouTube Jun 2026 · Video players
- dropped jsDelivr Apr 2026 · CDN
- dropped Swiper Apr 2026 · JavaScript libraries
- added YouTube Apr 2026 · Video players
- dropped Cloudflare Bot Management Mar 2026 · Security
- added Klarna Checkout Feb 2026 · Payment processors
2025 9 added · 6 dropped
- added jsDelivr Dec 2025 · CDN
- added Swiper Dec 2025 · JavaScript libraries
- added Cloudflare Bot Management Nov 2025 · Security
- dropped core-js Jul 2025 · JavaScript libraries
- dropped Elevar Jul 2025 · Analytics
- dropped Facebook Pixel Jul 2025 · Analytics
- dropped Google Analytics Jul 2025 · Analytics
- dropped Google Tag Manager Jul 2025 · Tag managers
- dropped TikTok Pixel Jul 2025 · Analytics
- added Google Analytics Apr 2025 · Analytics
- added Microsoft Advertising Apr 2025 · Advertising
- added core-js Mar 2025 · JavaScript libraries
- added Elevar Mar 2025 · Analytics
- added Facebook Pixel Mar 2025 · Analytics
- added TikTok Pixel Mar 2025 · Analytics
2024 4 added · 10 dropped
- added Mastercard Aug 2024 · Payment processors
- added Visa Aug 2024 · Payment processors
- dropped Mastercard Jul 2024 · Payment processors
- dropped Visa Jul 2024 · Payment processors
- dropped Envoy Jun 2024 · Reverse proxies
- dropped Cloudflare Bot Management Apr 2024 · Security
- added Envoy Apr 2024 · Reverse proxies
- added WhatsApp Business Chat Mar 2024 · Live chat
- dropped core-js Jan 2024 · JavaScript libraries
- dropped Facebook Pixel Jan 2024 · Analytics
- dropped Google Analytics Jan 2024 · Analytics
- dropped Google Hosted Libraries Jan 2024 · CDN
- dropped jQuery Jan 2024 · JavaScript libraries
- dropped TikTok Pixel Jan 2024 · Analytics
2023 8 added
- added Cloudflare Bot Management Nov 2023 · Security
- added core-js Aug 2023 · JavaScript libraries
- added Facebook Pixel Aug 2023 · Analytics
- added Google Analytics Aug 2023 · Analytics
- added Google Tag Manager Aug 2023 · Tag managers
- added TikTok Pixel Aug 2023 · Analytics
- added Google Hosted Libraries Jul 2023 · CDN
- added jQuery Jul 2023 · JavaScript libraries