www.statlect.com
Registered
Page analyze update date:
2026/03/18 17:02:34
Last whois update date:
2026/08/04 10:13:53
Domain Status
Registered
Paid till
10.06.2030
Available from
10.07.2030
×
![Fullscreen website screenshot]()
www.statlect.com Website screenshot
SEO Score
73.29%
107
Score achieved
146
Maximum score
Main Information
Title: Statlect, the digital textbook | Probability, statistics, matrix algebra
Description: Online book containing hundreds of lectures on probability, statistics and matrix algebra. Ideal for self-study.
Keywords: unknown
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 63 KB
Server Information
IP: 207.7.90.46
Location: United States,US,37.751,-97.822,America/Chicago
Http Server: apache
Meta Tags List
- equiv: Content-Type content: text/html;charset=utf-8
- name: viewport content: width=device-width, initial-scale=1, maximum-scale=1.0
- name: description content: Online book containing hundreds of lectures on probability, statistics and matrix algebra. Ideal for self-study.
- name: google-site-verification content: _ZevGCR6RvM3Ft3IJK7UySfciIAVjflZ-ntyNJmWtEY
Internal Links
External Links
Whois Information
domain_name: statlect.com
update_date: 2021-11-17T20:03:42Z
update_time: 1637179422
creation_date: 2010-06-10T12:49:33Z
creation_time: 1276174173
expiration_date: 2030-06-10T12:49:33Z
Whois Raw Data
Domain Name: STATLECT.COM
Registrar: NameSilo, LLC
Domain Status: client transfer prohibited
Creation Date: 2010-06-10T12:49:33Z
Registry Expiry Date: 2030-06-10T12:49:33Z
Updated Date: 2021-11-17T20:03:42Z
Name Server: GINA.NS.CLOUDFLARE.COM
Name Server: LEIF.NS.CLOUDFLARE.COM
REGISTRAR Contact: NameSilo, LLC
>>> Last update of RDAP database: 2026-08-04T10:13:53Z
Robots.txt
User-agent: * Disallow: /e_book.pdf Disallow: /time_varying_regression.pdf Allow: / Sitemap: https://www.statlect.com/sitemap.xml
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
64808 bytes
Page size acceptable for fast loading.
✓
Resources
18 total
Optimal number of resources.
✓
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
gzip
Gzip or Zstd compression enabled for faster loading.
✓
Caching
max-age=10800
Cache-control headers properly set.
✓
Page Speed
1.26 ms
Excellent loading speed.
On-Page SEO
!
Title
Statlect, the digital textbook | Probability, statistics, matrix algebra
Title too long. Reduce to 30-60 characters to avoid truncation.
✓
Meta Description
Online book containing hundreds of lectures on probability, statistics and matrix algebra. Ideal for self-study. Lenght:112
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "Digital textbook on probability and statistics"
Good - single H1 heading found.
✓
Word Count
846
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
Meta keywords are optional (not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
✓
Images
13 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width, initial-scale=1, maximum-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
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 6 | /matrix-algebra/vec-... | ||
| 7 | /matrix-algebra/vec-... |