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.

ntp.org is hosted on SERVERCENTRAL - DEFT.COM, US.

What is ntp.org's SEO score?

ntp.org scored 80/100 for SEO in the latest analysis (great).

What is ntp.org's overall website score?

ntp.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

ntp.org

NTP: Network Time Protocol

Last scanned Jul 14, 2026, 1:28 PM

Overall score

Great

Summary

This website uses Apache hosted on SERVERCENTRAL - DEFT.COM, US. SEO is good (80/100) and accessibility is fair (60/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No H1 heading found.

SEO

2 issue(s) found

100

Performance

712 ms

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Organization

Company details published in this site's own structured data.

Facebook

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.

Google Analytics Apache

Hosting & CDN

Hosting provider: SERVERCENTRAL - DEFT.COM, US
CDN provider: —
IP address: 204.93.207.22
ASN: AS23352 (SERVERCENTRAL - DEFT.COM, US)

DNS records

Type	Value
A	204.93.207.22 209.148.110.246
AAAA	2001:5a8:601:7::80:0 2001:1838:2000:41b::80:0
MX	mail2.ntp.org mail1.ntp.org
TXT	v=spf1 a mx ip4:204.93.207.0/27 ~all
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

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: 82
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 · 0 broken

Images

10 total · 7 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

608 B · 82.5 KB

Page size

8.9 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 0
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

No H1 heading found
No structured data (JSON-LD) found

Scan details

Requested URL: https://ntp.org
Final URL: https://www.ntp.org/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 712 ms
HTML size: 8.9 KB
Redirect chain: https://ntp.org → https://www.ntp.org/

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?: ntp.org is hosted on SERVERCENTRAL - DEFT.COM, US.
What is ntp.org's SEO score?: ntp.org scored 80/100 for SEO in the latest analysis (great).
What is ntp.org's overall website score?: ntp.org has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.