stattrek.com
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Sideanalyseopdateringsdato:
2026/05/21 20:54:19
Sidste whois opdateringsdato:
2026/06/14 22:56:56
Domænestatus
Registreret
Betalt indtil
21.06.2029
Tilgængelig fra
21.07.2029
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stattrek.com Skærmbillede af hjemmesiden
SEO-score
78.08%
114
Score opnået
146
Maksimal score
Hovedoplysninger
Titel: Statistics and Probability
Beskrivelse: Free tutorials cover AP statistics, probability, survey sampling, regression, ANOVA, and matrix algebra. Written and video lessons. Online calculators.
Nøgleord: statistics, probability, survey sampling, statistics help, statistics calculator, statistics for dummies, statistics tutorial, statistics tutorials, AP Statistics, Advanced Placement Statistics, statistics formula, statistics definition
Sidekodning:
utf-8
Side filstørrelse: 56 KB
Serverinformation
IP: 66.45.231.26
Beliggenhed: United States,US,37.751,-97.822,America/Chicago
Http server: microsoft-iis/10.0
Kodning: utf-8
Drevet af: asp.net
Metatags liste
- charset: utf-8
- name: viewport content: width=device-width, initial-scale=1.0
- name: description content: Free tutorials cover AP statistics, probability, survey sampling, regression, ANOVA, and matrix algebra. Written and video lessons. Online calculators.
- name: keywords content: statistics, probability, statistics tutorials, statistics lessons, statistics calculators, statistical calculators
- name: HandheldFriendly content: True
- name: verify-v1 content: +0J0xaq/yux0LKo8uD9ySvoxaHURfUH+VYWDlBx9xgg=
- name: msvalidate.01 content: A581D5768CB65BE7E6F936E4B571699E
Interne links
Eksterne links
Whois information
domain_name: stattrek.com
update_date: 2025-10-02T23:13:35Z
update_time: 1759446815
creation_date: 2004-06-21T21:19:59Z
creation_time: 1087852799
expiration_date: 2029-06-21T21:19:59Z
Whois rå data
Domain Name: STATTREK.COM
Registrar: GoDaddy.com, LLC
Domain Status: client delete prohibited
Domain Status: client renew prohibited
Domain Status: client transfer prohibited
Domain Status: client update prohibited
Creation Date: 2004-06-21T21:19:59Z
Registry Expiry Date: 2029-06-21T21:19:59Z
Updated Date: 2025-10-02T23:13:35Z
Name Server: NS1.STATTREK.COM
Name Server: NS2.STATTREK.COM
REGISTRAR Contact: GoDaddy.com, LLC
>>> Last update of RDAP database: 2026-06-14T22:56:56Z
Robots.txt
User-agent: * Disallow: /data/ Disallow: /dist/ Disallow: /error/ Disallow: /img/ Disallow: /jq/ Disallow: /js/ Disallow: /junk/ Disallow: /scss/ Disallow: /admin/ Disallow: /error/ Disallow: /Shared/ Disallow: /template/ Sitemap: https://www.stattrek.com/sitemap.xml
SEO revision
Teknisk SEO
✓
Svarkode
200
Status 200 OK - siden indlæses korrekt.
✓
Tegnkodning
Page: utf-8, Header: utf-8
Tegnkodning konsekvent mellem HTML og overskrifter.
✓
Sidestørrelse
57716 bytes
Sidestørrelse acceptabel til hurtig indlæsning.
✓
Ressourcer
30 total
Moderat antal ressourcer. Overvej at kombinere filer.
✓
Hreflang Tags
0 hreflang tags
Tilføj hreflang-tags, hvis du har flersproget indhold.
✓
Robots.txt
Exists
Robots.txt-fil fundet.
✓
Sitemap
Declared in robots.txt
Sitemap erklæret i robots.txt.
✓
HTTPS
Yes
Sikker HTTPS-forbindelse aktiveret.
!
Kompression
br
Aktiver gzip- eller zstd-komprimering for at reducere filstørrelser.
!
Caching
Not set
Tilføj cache-kontroloverskrifter for at forbedre indlæsningshastigheden for tilbagevendende besøgende.
✓
Sidehastighed
1.1 ms
Fremragende læssehastighed.
On-Page SEO
!
Titel
Statistics and Probability
Titlen er for kort. Udvid til 30-60 tegn for bedre SEO.
✓
Meta beskrivelse
Free tutorials cover AP statistics, probability, survey sampling, regression, ANOVA, and matrix algebra. Written and video lessons. Online calculators. Lenght:151
God metabeskrivelseslængde (100-160 tegn).
✓
H1 Overskrift
1 found - "Statistics and Probability"
Godt - enkelt H1 overskrift fundet.
✓
Ordtælling
584
God indholdslængde (500-2000 ord anbefales).
!
Kanonisk tag
Tilføj kanonisk tag for at forhindre duplikatindholdsproblemer.
✓
Duplicate Meta
[]
Ingen duplikerede metatags fundet.
✓
Nøgleord
statistics, probability, survey sampling, statistics help, statistics calculator, statistics for dummies, statistics tutorial, statistics tutorials, AP Statistics, Advanced Placement Statistics, statistics formula, statistics definition
Meta-nøgleord indstillet (bemærk: bruges ikke af større søgemaskiner).
Indhold og UX
✓
Sprog
en
Sprog attribut korrekt indstillet.
✓
Billeder
0 total, 0 missing ALT
Alle billeder har korrekt ALT-tekst.
✓
Udsigtsport
width=device-width, initial-scale=1.0
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
1 JSON-LD scripts
Strukturerede data (JSON-LD) fundet.
Stillinger i Google
Søgesætninger - Google
| Position | Udtryk | Side | Uddrag |
|---|---|---|---|
| 13 | / |