ntp.org
NTP: Network Time Protocol
Last scanned Jul 29, 2026, 11:00 AM · 11 views
Overall score
Fair
Summary
The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase. This website uses Apache. SEO is fair (70/100) and accessibility is fair (60/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No H1 heading found.
The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase.
Top issues to fix
9 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.
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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
603 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-3 overall since Jul 15, 2026
- Overall
- 77
- SEO
- 70
- Security
- 75
- Performance
- 100
- Accessibility
- 60
Organization
Company details published in this site's own structured data.
The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase.
Meta tags
- Title
- NTP: Network Time Protocol
- Description
- The NTP Project conducts Research and Development in NTP, a protocol designed to synchronize the clocks of computers over a network to a common timebase.
- Canonical
- https://www.ntp.org/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- INDEX, FOLLOW
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- www.ntp.org
- Valid from
- Jul 7, 2026
- Valid to
- Oct 5, 2026
- Days until expiry
- 67
- SAN domains
- www.ntp.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 3
Links
9 internal · 9 external · 18 broken
Images
10 total · 7 missing alt
Scripts / Styles
5 scripts · 2 stylesheets
JS / CSS size
608 B · 0 B
Page size
8.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://ntp.org
- Final URL
- https://www.ntp.org/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 603 ms
- HTML size
- 8.9 KB
- Redirect chain
- https://ntp.org → https://www.ntp.org/
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Frequently asked questions
- What technology does ntp.org use?
- ntp.org is built with Google Analytics, Apache.
- Is ntp.org secure (HTTPS)?
- Yes. ntp.org uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Oct 5, 2026.
- Who hosts ntp.org?
- Hosting provider information for ntp.org is not available yet.
- What is ntp.org's SEO score?
- ntp.org scored 70/100 for SEO in the latest analysis (fair).
- What is ntp.org's overall website score?
- ntp.org has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
- Has ntp.org's score changed over time?
- ntp.org's overall score has declined by 3 points (from 80 to 77) since Jul 15, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card