What powers casper.aero?
Last seen Aug 2026 · 20 technologies across 11 categories
Analytics
Google Analytics
since Sep 2020
Comment systems
Font scripts
Google Font API
since Sep 2021
JavaScript graphics
JavaScript libraries
Moment Timezone
since Dec 2020
Swiper
since Sep 2022
Maps
Google Maps
since Sep 2020
Miscellaneous
PWA
since Aug 2022
Programming languages
PHP
since Sep 2021
UI frameworks
Web servers
Apache HTTP Server
since Sep 2020
Webmail
Google Workspace
since Aug 2022
Microsoft 365
since Apr 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 91% phone
- 9% desktop
Netherlands
United States
United Kingdom
France
Australia
Hungary
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.90 / 10 · ranked #256,800 of all domains
83 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 5.5 MB · 57 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AS-ZXCS (185.220.175.157)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 1,100,689, 37 hosts
- Verified with: 1Password, KnowBe4, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| akl.flighttracking.casper.aero | 14 |
| ein.noiselab.casper.aero | 14 |
| glz.flighttracking.casper.aero | 14 |
| lwr.flighttracking.casper.aero | 14 |
| rtm.flighttracking.casper.aero | 14 |
| sks.flighttracking.casper.aero | 14 |
| vkl.flighttracking.casper.aero | 14 |
| bas.flighttracking.casper.aero | 13 |
| bne.flighttracking.casper.aero | 13 |
| bud.flighttracking.casper.aero | 13 |
| cph.flighttracking.casper.aero | 13 |
| ein.flighttracking.casper.aero | 13 |
| tls.flighttracking.casper.aero | 13 |
| cph.flight-analyzer.casper.aero | 11 |
| geluidsmeetnetvliegbases.noiselab.casper.aero | 10 |
| edi.noiselab.casper.aero | 9 |
| tls.noiselab.casper.aero | 8 |
| casper.aero | 6 |
| flighttracker.casper.aero | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft 365 Apr 2026