What powers 
opensky.com?
Last seen Aug 2026 · 55 technologies across 25 categories
Advertising
AppNexus
since Nov 2020
Criteo
since Nov 2018
Google Publisher Tag
since Feb 2021
ID5
since Oct 2023
Microsoft Advertising
since Feb 2021
OpenX
since Jun 2021
Prebid
since Dec 2022
PubMatic
since Feb 2021
Rubicon Project
since Jun 2021
Tapad
since Jan 2023
TripleLift
since Jun 2021
Analytics
Google Analytics
since Jan 2018
Google Analytics Enhanced eCommerce
since Jan 2018
Hotjar
since Oct 2018
Pinterest Conversion Tag
since Jun 2021
Quantcast Measure
since Nov 2020
Snowplow Analytics
since Dec 2022
Authentication
Google Sign-in
since Jul 2023
Caching
CDN
Cloudflare
since Mar 2018
jsDelivr
since Jan 2023
CMS
Documentation
Zendesk
since May 2020
Ecommerce
Cart Functionality
since Oct 2020
Shopify
since Feb 2024
Sendgrid
since Aug 2022
Font scripts
Google Font API
since May 2020
Hosting
GoDaddy
since May 2025
JavaScript frameworks
JavaScript libraries
Underscore.js
since Jun 2018
Live chat
Re:amaze
since May 2025
Miscellaneous
Payment processors
PayPal
since Nov 2018
Programming languages
RUM
New Relic
since Oct 2020
Search engines
Security
Cloudflare Bot Management
since Oct 2021
Confiant
since Jun 2023
HSTS
since Sep 2022
reCAPTCHA
since Oct 2018
Segmentation
Adobe Audience Manager
since May 2023
Tag managers
Google Tag Manager
since May 2017
Web frameworks
Ruby on Rails
since May 2020
Webmail
Google Workspace
since Aug 2022
Widgets
Wisepops
since Nov 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 54% desktop
- 46% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #340,060 of all domains
187 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Registered May 1996 (30 years) via GoDaddy.com, LLC, renews May 2031
- Hosted on Amazon Web Services (13.248.243.5)
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: GoDaddy, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 715,590, 12 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.opensky.com | 43 |
| opensky.com | 11 |
| support.opensky.com | 11 |