t5k.org
Registreret
Sideanalyseopdateringsdato:
2026/06/04 21:59:18
Sidste whois opdateringsdato:
2026/03/13 12:14:53
Domænestatus
Registreret
Betalt indtil
15.12.2026
Tilgængelig fra
14.01.2027
×
![Skærmbillede af hjemmesiden i fuld skærm]()
t5k.org Skærmbillede af hjemmesiden
SEO-score
65.07%
95
Score opnået
146
Maksimal score
Hovedoplysninger
Titel: PrimePages: prime number research records and results
Beskrivelse: Access to hundreds of pages of award-winning information on prime numbers--with links to thousands of pages elsewhere. We host the searchable database of the 5000 largest known primes (updated hourly). We also have a glossary, top 10 records lists, prime-music, programs, free downloads, and much more!
Nøgleord: ukendt
Sidekodning:
utf-8
Brødtekst og servertegnsæt er forskellige!
Side filstørrelse: 21 KB
Serverinformation
IP: 45.55.123.225
Beliggenhed: United States,US,Clifton,07014,40.8364,-74.1403,America/New_York
Http server: apache/2.4.52 (ubuntu)
Metatags liste
- charset: utf-8
- name: viewport content: width=device-width, initial-scale=1, shrink-to-fit=no
- equiv: x-ua-compatible content: ie=edge
- name: Author content: Chris K. Caldwell
- name: description content: Access to hundreds of pages of award-winning information on prime numbers--with links to thousands of pages elsewhere. We host the searchable database of the 5000 largest known primes (updated hourly). We also have a glossary, top 10 records lists, prime-music, programs, free downloads, and much more!
- name: keywords content: prime, primes, composite, number theory, mathematics, Mersenne, largest known primes, primality, factorization, GIMPS, integer, new, big, recent
Interne links
Whois information
domain_name: t5k.org
update_date: 2025-12-05T00:40:07.411Z
update_time: 1764895207
creation_date: 2022-12-15T00:00:18.212Z
creation_time: 1671062418
expiration_date: 2026-12-15T00:00:18.212Z
Whois rå data
Domain Name: T5K.ORG
Registrar: Squarespace Domains II LLC
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Registry Expiry Date: 2026-12-15T00:00:18.212Z
Creation Date: 2022-12-15T00:00:18.212Z
Updated Date: 2025-12-05T00:40:07.411Z
Name Server: NS-CLOUD-D4.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-D1.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-D3.GOOGLEDOMAINS.COM
Name Server: NS-CLOUD-D2.GOOGLEDOMAINS.COM
REGISTRAR Contact: Squarespace Domains II LLC
>>> Last update of RDAP database: 2026-03-13T12:14:53Z
Robots.txt
User-agent: *
Disallow: /avoid_this/
Disallow: /manual/
Disallow: /en_US/
Disallow: /usage/
Disallow: /TE/
Disallow: /bin/
Disallow: /bios/newcode.php
Disallow: /bios/edit.php
Disallow: /primes/newcode.php
Disallow: /primes/submit.php
Disallow: /curios/submit.php
Disallow: /curios/page.php?rank
Disallow: *generic_edit.php
Disallow: /primes/search.php
Disallow: /primes/generic_edit.php
Disallow: /bios/top20.php?type
Disallow: /bios/top20.php\?type
Crawl-delay: 30
User-agent: LinkChecker
Disallow:
## Due to a bug in linklint, must first specify a disallow in order for
## for all other directories to be allowed. Feel free to add other
## disallows below the first disallow line.
User-agent: LinkLint
Disallow: /workaroundForLinkLintRandomDirForConfig
Allow: *
SEO revision
Teknisk SEO
✓
Svarkode
200
Status 200 OK - siden indlæses korrekt.
!
Tegnkodning
Page: utf-8, Header:
Uoverensstemmelse mellem tegnkodning mellem HTML- og HTTP-headere.
✓
Sidestørrelse
21860 bytes
Sidestørrelse acceptabel til hurtig indlæsning.
✓
Ressourcer
11 total
Optimalt antal ressourcer.
✓
Hreflang Tags
0 hreflang tags
Tilføj hreflang-tags, hvis du har flersproget indhold.
✓
Robots.txt
Exists
Robots.txt-fil fundet.
!
Sitemap
Not found
Tilføj sitemap.xml og referer til det i robots.txt.
✓
HTTPS
Yes
Sikker HTTPS-forbindelse aktiveret.
✓
Kompression
gzip
Gzip eller Zstd-komprimering aktiveret for hurtigere indlæsning.
!
Caching
Not set
Tilføj cache-kontroloverskrifter for at forbedre indlæsningshastigheden for tilbagevendende besøgende.
✓
Sidehastighed
1.00 ms
Fremragende læssehastighed.
On-Page SEO
✓
Titel
PrimePages: prime number research records and results
God titellængde (30-60 tegn).
!
Meta beskrivelse
Access to hundreds of pages of award-winning information on prime numbers--with links to thousands of pages elsewhere. We host the searchable database of the 5000 largest known primes (updated hourly). We also have a glossary, top 10 records lists, prime-music, programs, free downloads, and much more! Lenght:302
Metabeskrivelsen er for lang. Reducer til 100-160 tegn.
✓
H1 Overskrift
1 found - "The
PrimePages: prime number research &
records"
Godt - enkelt H1 overskrift fundet.
!
Ordtælling
322
Indholdet noget kort. Udvid til 500+ ord for optimal SEO.
!
Kanonisk tag
Tilføj kanonisk tag for at forhindre duplikatindholdsproblemer.
✓
Duplicate Meta
[]
Ingen duplikerede metatags fundet.
✓
Nøgleord
Meta søgeord er valgfri (bruges ikke af større søgemaskiner).
Indhold og UX
✓
Sprog
en
Sprog attribut korrekt indstillet.
✓
Billeder
3 total, 0 missing ALT
Alle billeder har korrekt ALT-tekst.
✓
Udsigtsport
width=device-width, initial-scale=1, shrink-to-fit=no
Viewport-metatag korrekt indstillet til mobilenheder.
!
Åbn Graph
Missing: og:title, og:description, og:image, og:url
Tilføj manglende OpenGraph-tags til deling på sociale medier:og:title, og:description, og:image, og:url
!
Strukturerede data
0 JSON-LD scripts
Tilføj strukturerede data (JSON-LD) for at få udvidede uddrag og bedre SEO.
Stillinger i Google
Søgesætninger - Google
| Position | Udtryk | Side | Uddrag |
|---|---|---|---|
| 3 | / |