www.gap-system.org
Registered
Page analyze update date:
2026/06/22 22:25:38
Last whois update date:
2026/06/08 11:02:27
Domain Status
Registered
Paid till
28.07.2027
Available from
27.08.2027
×
![Fullscreen website screenshot]()
www.gap-system.org Website screenshot
SEO Score
53.42%
78
Score achieved
146
Maximum score
Main Information
Title: Start | GAP
Description: GAP system for computational discrete algebra, especially computational group theory
Keywords: unknown
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 21 KB
Server Information
IP: 131.246.120.130
Location: Germany,DE,Kaiserslautern,67655,49.4379,7.7622,Europe/Berlin
Http Server: nginx
Meta Tags List
- charset: UTF-8
- equiv: X-UA-Compatible content: IE=Edge
- name: viewport content: width=device-width, initial-scale=1
- name: color-scheme content: light dark
- name: generator content: Jekyll v4.4.1
- property: og:title content: Start
- property: og:locale content: en_US
- property: og:url content: https://www.gap-system.org/
- property: og:site_name content: GAP
- property: og:type content: website
- name: twitter:card content: summary
- property: twitter:title content: Start
- equiv: Content-Type content: text/html; charset=utf-8
- name: Description content: GAP system for computational discrete algebra, especially computational group theory
- name: Keywords content: GAP,group theory,computational group theory,algebra,computational algebra,computational discrete algebra,mathematical computation
Internal Links
External Links
Whois Information
domain_name: gap-system.org
update_date: 2026-06-05T10:41:25.053Z
update_time: 1780656085
creation_date: 2000-07-28T12:24:19.345Z
creation_time: 964787059
expiration_date: 2027-07-28T12:24:19Z
Whois Raw Data
Domain Name: GAP-SYSTEM.ORG
Registrar: Key-Systems GmbH
Domain Status: client transfer prohibited
Domain Status: renew period
Registry Expiry Date: 2027-07-28T12:24:19Z
Creation Date: 2000-07-28T12:24:19.345Z
Updated Date: 2026-06-05T10:41:25.053Z
Name Server: NS1.RPTU.DE
Name Server: NS2.RPTU.DE
REGISTRAR Contact: Key-Systems GmbH
>>> Last update of RDAP database: 2026-06-08T11:02:27Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
21555 bytes
Page size acceptable for fast loading.
✓
Resources
15 total
Optimal number of resources.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
3.37 ms
Excellent loading speed.
On-Page SEO
!
Title
Start | GAP
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
GAP system for computational discrete algebra, especially computational group theory Lenght:84
Meta description too short. Expand to 100-160 characters.
✓
H1 Heading
1 found - "GAP – A System for Computational Discrete Algebra"
Good - single H1 heading found.
!
Word Count
322
Content somewhat short. Expand to 500+ words for optimal SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
en-us
Language attribute properly set.
!
Images
1 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width, initial-scale=1
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:description, og:image
Add missing OpenGraph tags for social media sharing: og:description, og:image
✓
Structured Data
1 JSON-LD scripts
Structured data (JSON-LD) found.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 2 | / | ||
| 5 | / | ||
| 5 | / | ||
| 9 | / |