office365.com

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office365.com is ranked #110 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 4 places in four weeks. The domain was registered on Jun 20, 2005, 21 years, 3 months ago, through MarkMonitor Inc., and is paid up until Jun 20, 2027. It is served through Azure Front Door.

Global rank

#110

▲ 3 this week

Domain age

21 years

since Jun 20, 2005

Technologies

detected on the homepage

SEO score

87/100

homepage checks

Popularity rank

#110 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #99.

Weekly Tranco rank (lower is more popular).

See where office365.com sits in the top 10,000

Domain registration

Registered: Jun 20, 2005 (21 years, 3 months ago)
Expires: Jun 20, 2027
Registrar: MarkMonitor Inc.
Name servers: ns1-07.azure-dns.com, ns2-07.azure-dns.net, ns3-07.azure-dns.org, ns4-07.azure-dns.info
DNSSEC: Signed

From the registry's public RDAP record, checked Oct 1, 2026.

Technology stack

CDN

Azure Front Door

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

87/100

https://www.microsoft.com/en-us/microsoft-365?ms.url=office365com

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17 passed · 6 warnings · 0 failed

Content

✓Title65 characters
✓Meta description161 characters
✓H1 headingExactly one H1
✓Subheadings8 H2 headings
✓Image alt textAll 94 images have alt text
✓Content lengthAbout 3,539 words

Indexing

✓IndexableNo noindex directive
✓Canonical URLhttps://www.microsoft.com/en-us/microsoft-365
✓robots.txtFound
✓XML sitemapFound
✓Language attributeen-US
ihreflang62 language alternates
!Structured dataNo JSON-LD or microdata

Social sharing

!Open Graph2 of 3 key tags set
✓Twitter / X cardsummary

Technical

✓HTTPSServed over HTTPS
✓Mobile viewportFound
✓FaviconFound
✓Character encodingUTF-8

Security headers

✓Strict-Transport-SecuritySet
!Content-Security-PolicyNot set
!Clickjacking protectionNot set
!X-Content-Type-OptionsNot set
!Referrer-PolicyNot set

Server response

Final URL: https://www.microsoft.com/en-us/microsoft-365?ms.url=office365com
HTTP status: 200
Server: —
Response time: 3.40 s (first byte 3.38 s, from our scanner in a US data centre)
HTML size: 492 KB
Compression: gzip

Sites ranked near office365.com

Rank	Website	Registered	Built with
#105	cdninstagram.com	2014	—
#106	cloudflare-dns.com	2018	Cloudflare, Font Awesome, Google Fonts
#107	epicgames.com	1995	Cloudflare
#108	ui.com	1995	Amazon CloudFront, Google Analytics
#109	nic.ru	—	—
#111	openai.com	2007	Cloudflare
#112	3gppnetwork.org	2002	—
#113	samsung.com	1994	Akamai
#114	shiabank.com	2025	—
#115	aws.dev	2019	—

Questions about office365.com

How popular is office365.com?

office365.com is #110 worldwide in the Tranco list published Oct 13, 2026.

How old is office365.com?

office365.com was registered on Jun 20, 2005, which makes the domain 21 years, 3 months old.

What is office365.com built with?

We detected Azure Front Door on its homepage.

Who is the registrar of office365.com?

MarkMonitor Inc., according to the registry's RDAP record.