Website review stattrek.com
Statistics and Probability
Generated on March 11 2026 02:02 AM
Old data? UPDATE !
The score is 72/100
SEO Content
Title
Statistics and Probability
Length : 26
Perfect, your title contains between 10 and 70 characters.
Description
Free tutorials cover AP statistics, probability, survey sampling, regression, ANOVA, and matrix algebra. Written and video lessons. Online calculators.
Length : 151
Great, your meta description contains between 70 and 160 characters.
Keywords
statistics, probability, statistics tutorials, statistics lessons, statistics calculators, statistical calculators
Good, your page contains meta keywords.
Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 7 | 3 | 0 | 2 | 5 |
- [H1] Statistics and Probability
- [H2] Online Tutorials
- [H2] AP Statistics
- [H2] Random Number Generator
- [H2] Sample Size Calculator
- [H2] Stat Toolbox
- [H2] Acknowledgments
- [H2] Citation
- [H3] Discrete probability distributions
- [H3] Continuous probability distributions
- [H3] Special-purpose calculators
- [H5] Browse Site
- [H5] Support Stat Trek
- [H6] Tutorials
- [H6] AP Statistics
- [H6] Online Statistical Tables
- [H6] Stat Tools
- [H6] Help
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 22%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 47 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Stat Trek | Internal | Passing Juice |
| Tutorials | Internal | Passing Juice |
| Search | Internal | Passing Juice |
| Overview | Internal | Passing Juice |
| AP statistics | Internal | Passing Juice |
| Probability | Internal | Passing Juice |
| Regression | Internal | Passing Juice |
| ANOVA | Internal | Passing Juice |
| Survey sampling | Internal | Passing Juice |
| Matrix algebra | Internal | Passing Juice |
| AP statistics video tutorial | Internal | Passing Juice |
| Practice test 1 | Internal | Passing Juice |
| Practice test 2 | Internal | Passing Juice |
| AP formulas | Internal | Passing Juice |
| Binomial | Internal | Passing Juice |
| Chi-square | Internal | Passing Juice |
| f Dist | Internal | Passing Juice |
| Geometric | Internal | Passing Juice |
| Hypergeometric | Internal | Passing Juice |
| Multinomial | Internal | Passing Juice |
| Negative binomial | Internal | Passing Juice |
| Normal | Internal | Passing Juice |
| Poisson | Internal | Passing Juice |
| t Dist | Internal | Passing Juice |
| Random numbers | Internal | Passing Juice |
| Statistics | Internal | Passing Juice |
| Probability | Internal | Passing Juice |
| Bayes rule | Internal | Passing Juice |
| Combinations & permutations | Internal | Passing Juice |
| Factorial | Internal | Passing Juice |
| Bartlett's test | Internal | Passing Juice |
| Event counter | Internal | Passing Juice |
| Sample size | Internal | Passing Juice |
| Statistics dictionary | Internal | Passing Juice |
| Problems and solutions | Internal | Passing Juice |
| Formulas | Internal | Passing Juice |
| Notation | Internal | Passing Juice |
| Useful resources | Internal | Passing Juice |
| Acklam algorithm | External | noFollow |
| Barnes VB implementation | External | noFollow |
| https://stattrek.com/ | Internal | Passing Juice |
| Introduction to Statistics | External | Passing Juice |
| About | Internal | Passing Juice |
| Contact | Internal | Passing Juice |
| Privacy | Internal | Passing Juice |
| Terms | Internal | Passing Juice |
| Advertise on Stat Trek | External | Passing Juice |
SEO Keywords
Keywords Cloud
sample stat sampling survey calculator statistics problems test size probability
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| statistics | 21 |  |
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| calculator | 14 |  |
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| probability | 10 | |
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| test | 9 | |
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| survey | 7 | |
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Usability
Url
Domain : stattrek.com
Length : 12
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.stattrek.com/sitemap.xml |
Robots.txt
https://stattrek.com/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
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