What powers office365.com?
Last seen Feb 2024 · 16 technologies across 11 categories
Analytics
ClickTale
since Jun 2018
comScore
since Jun 2018
Google Analytics
since Jun 2018
Optimizely
since Jun 2018
JavaScript Frameworks
Load balancers
Azure Front Door
since Jun 2023
Marketing Automation
Marketo
since Jun 2018
Miscellaneous
Webpack
since Sep 2022
Operating systems
Windows Server
since Aug 2018
PaaS
Azure
since Sep 2021
Security
HSTS
since Sep 2022
Web Frameworks
Microsoft ASP.NET
since May 2017
Web Servers
Widgets
Facebook
since Jun 2018
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 67% phone
- 33% desktop
United States
United Kingdom
France
Italy
Canada
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.85 / 10 · ranked #636 of all domains
19,191 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Registered Jun 2005 (21 years) via MarkMonitor Inc., renews Jun 2027
- Hosted on Microsoft (20.119.0.28)
- DNS: Azure DNS
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed, CAA
- SSL: Microsoft, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 1,983, 62 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.office365.com | 8 |
| status.office365.com | 6 |
| outlook.office365.com | 4 |