What powers discalendar.app?
Last seen Oct 2026 · 19 technologies across 11 categories
Analytics
Cloudflare Browser Insights
since Jun 2022
Microsoft Clarity
since Oct 2026
CDN
Cloudflare
since Jun 2022
Development
Turbopack
since Sep 2026
Issue trackers
Sentry
since Sep 2026
JavaScript frameworks
Miscellaneous
Performance
Cloudflare Rocket Loader
since Oct 2026
Cloudflare Zaraz
since Sep 2026
Priority Hints
since Sep 2026
Programming languages
Node.js
since Jun 2022
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Sep 2026
UI frameworks
Tailwind CSS
since Sep 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.26 / 10 · ranked #66,607,987 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.2 MB · 101 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.40.219, IPv6)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 102,451,569
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Rocket Loader Oct 2026
- dropped core-js Oct 2026
- dropped Google Analytics Oct 2026
- dropped Google Font API Oct 2026
- dropped jsDelivr Oct 2026
- detected Microsoft Clarity Oct 2026
- dropped Nuxt.js Oct 2026
- dropped Vue.js Oct 2026
- dropped Vuetify Oct 2026
- detected Cloudflare Zaraz Sep 2026
- detected Google Tag Manager Sep 2026
- detected Next.js Sep 2026
- detected Next.js App Router Sep 2026
- detected Priority Hints Sep 2026
- detected React Sep 2026
- detected Sentry Sep 2026
- detected Tailwind CSS Sep 2026
- detected Turbopack Sep 2026