stattrek.com
Registered
Page analyze update date:
2026/05/21 20:54:19
Last whois update date:
2026/06/14 22:56:56
Domain Status
Registered
Paid till
21.06.2029
Available from
21.07.2029
×
![Fullscreen website screenshot]()
stattrek.com Website screenshot
SEO Score
78.08%
114
Score achieved
146
Maximum score
Main Information
Title: Statistics and Probability
Description: Free tutorials cover AP statistics, probability, survey sampling, regression, ANOVA, and matrix algebra. Written and video lessons. Online calculators.
Keywords: statistics, probability, survey sampling, statistics help, statistics calculator, statistics for dummies, statistics tutorial, statistics tutorials, AP Statistics, Advanced Placement Statistics, statistics formula, statistics definition
Page Encoding:
utf-8
Page Filesize: 56 KB
Server Information
IP: 66.45.231.26
Location: United States,US,37.751,-97.822,America/Chicago
Http Server: microsoft-iis/10.0
Encoding: utf-8
Powered by: asp.net
Meta Tags List
- 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
Internal Links
External 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 Raw 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 Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
57716 bytes
Page size acceptable for fast loading.
✓
Resources
30 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 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
br
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
1.1 ms
Excellent loading speed.
On-Page SEO
!
Title
Statistics and Probability
Title too short. Expand to 30-60 characters for better SEO.
✓
Meta Description
Free tutorials cover AP statistics, probability, survey sampling, regression, ANOVA, and matrix algebra. Written and video lessons. Online calculators. Lenght:151
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "Statistics and Probability"
Good - single H1 heading found.
✓
Word Count
584
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
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 keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
✓
Images
0 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width, initial-scale=1.0
Viewport meta tag properly set for mobile devices.
!
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
1 JSON-LD scripts
Structured data (JSON-LD) found.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 13 | / |