nmap.org
Registered
Page analyze update date:
2026/02/10 04:01:48
Last whois update date:
2026/01/12 08:33:02
Domain Status
Registered
Paid till
18.01.2029
Available from
17.02.2029
×
![Fullscreen website screenshot]()
nmap.org Website screenshot
SEO Score
58.22%
85
Score achieved
146
Maximum score
Main Information
Title: Nmap: the Network Mapper - Free Security Scanner
Description: Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Keywords: Nmap,Security Scanner,Port Scanner,Network Security,Hacking
Page Encoding:
unknown
Body and server charset are different!
Page Filesize: 17 KB
Server Information
IP: 50.116.1.184
Location: United States,US,Fremont,94536,37.5625,-122.0004,America/Los_Angeles
Encoding: utf-8
Whois Information
domain_name: nmap.org
update_date: 2023-08-31T05:05:15.792Z
update_time: 1693458315
creation_date: 1999-01-18T05:00:00.745Z
creation_time: 916635600
expiration_date: 2029-01-18T05:00:00Z
Whois Raw Data
Domain Name: NMAP.ORG
Registrar: Dynadot Inc
Domain Status: client transfer prohibited
Registry Expiry Date: 2029-01-18T05:00:00Z
Creation Date: 1999-01-18T05:00:00.745Z
Updated Date: 2023-08-31T05:05:15.792Z
Name Server: NS1.LINODE.COM
Name Server: NS2.LINODE.COM
Name Server: NS3.LINODE.COM
Name Server: NS4.LINODE.COM
Name Server: NS5.LINODE.COM
REGISTRAR Contact: Dynadot Inc
>>> Last update of RDAP database: 2026-01-12T11:33:02Z
Robots.txt
# We don't block any particular robot software in robots.txt, as we
# judge them by behavior rather than name. Abusive IPs which make
# hundreds of requests in a short period of time will be IP banned.
User-agent: *
Disallow: /favicon/*/
# Disallow crawling search results (search page itself is ok)
Disallow: /search.html?*
Disallow: /search/?*
# Request that robots don't download our releases, but they can view the index.
#Disallow: /dist/
#Allow: /dist/$
#Disallow: /dist-old/
#Allow: /dist-old/$
# Mailman
Allow: /mailman/listinfo/
Disallow: /mailman/
Sitemap: https://nmap.org/sitemap.xml.gz
SEO Audit
Technical SEO
✓
Response Code
HTTP/1.1 200 OK
Status 200 OK - page loads correctly.
!
Character Encoding
Page: , Header: utf-8
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
18420 bytes
Page size acceptable for fast loading.
✓
Resources
0 total
Optimal number of resources.
✓
Hreflang Tags
hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
Not detected
Enable gzip or zstd compression to reduce file sizes.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
0.01 ms
Excellent loading speed.
On-Page SEO
✓
Title
Nmap: the Network Mapper - Free Security Scanner
Good title length (30-60 characters).
✓
Meta Description
Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc. Lenght:143
Good meta description length (100-160 characters).
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
!
Word Count
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Nmap,Security Scanner,Port Scanner,Network Security,Hacking
Meta keywords set (note: not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
✓
Images
0 total, 0 missing ALT
All images have proper ALT text.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 1 | / | ||
| 1 | / | ||
| 1 | / | ||
| 1 | / | ||
| 1 | / | ||
| 1 | / | ||
| 1 | / | ||
| 2 | / | ||
| 2 | /man/ru/man-nse.html | ||
| 2(-1) | /man/ru/man-os-detection.html |
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 33 | / | ||
| 36 | / |