defender.microsoft.com
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Last scanned Jul 23, 2026, 12:52 PM
Overall score
Fair
Summary
This website is hosted on Azure. SEO is fair (50/100) and accessibility is good (75/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- United States
- Hosted on Azure
Top issues to fix
10 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+4 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
356 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Meta tags
- Title
- Sign in to your account
- Description
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=yes
- Robots meta
- none
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- Azure
- CDN provider
- —
- IP address
- 20.190.145.141
- ASN
- AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- stamp2.login.microsoftonline.com
- Valid from
- Jun 15, 2026
- Valid to
- Dec 12, 2026
- Days until expiry
- 142
- SAN domains
- stamp2.login.microsoftonline.com, login.microsoftonline-int.com, login.microsoftonline-p.com, login.microsoftonline.com, login2.microsoftonline-int.com, login2.microsoftonline.com, loginex.microsoftonline-int.com, loginex.microsoftonline.com, stamp2.login.microsoftonline-int.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 6 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 3 external · 1 broken
Images
2 total · 1 missing alt
Scripts / Styles
9 scripts · 1 stylesheets
JS / CSS size
397 KB · 20.1 KB
Page size
45.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://defender.microsoft.com
- Final URL
- https://login.microsoftonline.com/common/oauth2/authorize?client_id=80ccca67-54bd-44ab-8625-4b79c4dc7775&response_type=code%20id_token&scope=openid%20profile&state=OpenIdConnect.AuthenticationProperties%3DQTlsw8PFBs0NX48Wiw14tgqZ6BQi7OsHWlRubBEhLw60VJ21CnejIcbDeS4fX0H88o0XBdlyeWHwphRM_NQI2-02EvGAF2eEjtgif_d7hCb51xxBTplhie5TI1cH53G-xfweq9BUBC641CcPHJBJIg&response_mode=form_post&nonce=639204081563252616.NzY2NzRiNmUtZjRmOS00ZWJkLWEyMDQtNmE4ODljMzBiYzc2YzI1ODNmOGUtYjM4YS00MGU0LTk0ZTAtMGEyZWNlY2U2ODVl&client-request-id=788af9c3-49e8-415c-840d-f23120813ed0&redirect_uri=https%3A%2F%2Fsecurity.microsoft.com%2F&x-client-SKU=ID_NET472&x-client-ver=8.16.0.0
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 356 ms
- HTML size
- 45.4 KB
- Redirect chain
- https://defender.microsoft.com → https://security.microsoft.com → https://login.microsoftonline.com/common/oauth2/authorize?client_id=80ccca67-54bd-44ab-8625-4b79c4dc7775&response_type=code%20id_token&scope=openid%20profile&state=OpenIdConnect.AuthenticationProperties%3DQTlsw8PFBs0NX48Wiw14tgqZ6BQi7OsHWlRubBEhLw60VJ21CnejIcbDeS4fX0H88o0XBdlyeWHwphRM_NQI2-02EvGAF2eEjtgif_d7hCb51xxBTplhie5TI1cH53G-xfweq9BUBC641CcPHJBJIg&response_mode=form_post&nonce=639204081563252616.NzY2NzRiNmUtZjRmOS00ZWJkLWEyMDQtNmE4ODljMzBiYzc2YzI1ODNmOGUtYjM4YS00MGU0LTk0ZTAtMGEyZWNlY2U2ODVl&client-request-id=788af9c3-49e8-415c-840d-f23120813ed0&redirect_uri=https%3A%2F%2Fsecurity.microsoft.com%2F&x-client-SKU=ID_NET472&x-client-ver=8.16.0.0
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Frequently asked questions
- What technology does defender.microsoft.com use?
- We did not detect any specific technologies for defender.microsoft.com in the latest scan.
- Is defender.microsoft.com secure (HTTPS)?
- Yes. defender.microsoft.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Dec 12, 2026.
- Who hosts defender.microsoft.com?
- defender.microsoft.com is hosted on Azure.
- What is defender.microsoft.com's SEO score?
- defender.microsoft.com scored 50/100 for SEO in the latest analysis (fair).
- What is defender.microsoft.com's overall website score?
- defender.microsoft.com has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card