netTrekker Readability Scores
netTrekker measures websites for readability on a point scale of 1 to 5, where 1 corresponds to low reading difficulty and 5 corresponds to high reading difficulty. netTrekker then prominently displays a score for each website, and even provides quick refinement options that allow you to click to websites of your desired readability level.
Example of a netTrekker readability score:
netTrekker Readability Scores
The relationship between grade levels and the netTrekker readability scores is
given here:
| netTrekker Readability Score |
 |
 |
 |
 |
 |
 |
| Grade-Level Readability Equivalent |
1 - 3
|
4 - 6
|
7 - 8
|
9 - 10
|
11 - 13
|
See Below |
The netTrekker readability score is a composite, an average of the scores generated by four long-standing readability formulas and the Lexile® Framework for Reading:
- Automated Readability Index (ARI)
- Flesch-Kincaid Index
- Gunning Fog Index (GFI)
- McLaughlin SMOG Readability Formula
- Lexile® Framework for Reading
Additional readability scores generated by netTrekker are reported for comparison using these common devices for measuring readability:
The documentation for the style and diction programs used by netTrekker to generate readability scores can be found at http://www.sunsite.ualberta.ca/Documentation/Gnu/diction-0.7/man/style.1.html.
Viewing All Readability Measures
To view all readability measures for a website, simply click on the 
button. This button can be found on every search result.
Example of using the "More" button:
If you would like to always see the calculated readability measures directly for each search result, consider customizing your search result to include the "everything" view.
| * | N/A Scores Occasionally netTrekker is unable to calculate a readability score for a website. Learn more. |
