Our blog reading levels . . .

According to this website these are our reading levels for our blog:
http://juicystudio.com/services/readability.php#readweb



Reading Level Results

Summary Value

Total sentences
710
Total words
3943
Average words per Sentence
5.55
Words with 1 Syllable
2361
Words with 2 Syllables
751
Words with 3 Syllables
360
Words with 4 or more Syllables
471
Percentage of word with three or more syllables
21.08%
Average Syllables per Word
1.73
Gunning Fog Index (Measure of how many years of schooling it'd take to understand our blog)
10.65
Flesch Reading Ease (100 is the least difficult to understand and you should aim for 60-70)
54.72
Flesch-Kincaid Grade (Approximate number of years in school it takes to understand our blog)
7.01

So it looks like we write at about a 7th grade level. I don't know what that's supposed to mean.