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2026-08-01 crawl · observed, not inferred

Technology used by calibre-ebook.com

28
technologies detected

Recent changes

2026-03-01 dropped Cloudflareconfirmed
2026-03-01 dropped Microsoft ASP.NETconfirmed
2026-03-01 dropped Cloudflare Bot Managementconfirmed

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.

Advertising
TripleLift↩ Jul 2021Tapad↩ Jan 2023Rubicon Project↩ Nov 2021PubMatic↩ Dec 2020OpenX↩ Jul 2021AppNexus↩ Aug 2020Prebid↩ Aug 2020ID51.0.97↩ Oct 2023Google Publisher Tag↩ Feb 2021Amazon Advertising↩ Jun 202133Across↩ Jul 2021
JavaScript libraries
Wurfl↩ Apr 2026core-js3.44.0↩ Sept 2021jQuery1.7.2↩ Jul 2016
Analytics
Snowplow Analytics↩ Sept 2022PayPal Marketing Solutions↩ Nov 2021Google Analytics↩ Jul 2016
Payment processors
PayPal↩ Jul 2018Patreon↩ Jul 2021
Security
reCAPTCHA↩ Apr 2022Cloudflare Bot Management↩ Jul 2024
UI frameworks
Bootstrap↩ Nov 2024
Web servers
Nginx↩ Jul 2016
CDN
Cloudflare↩ Jul 2024
Tag managers
Google Tag Manager↩ Aug 2020
Hosting
GoDaddy↩ Dec 2025
Segmentation
Adobe Audience Manager↩ Oct 2022
Miscellaneous
RSS↩ Dec 2022
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