Table 2.

Mean readability ^a for all sites, top 10 hits, and by URL extension (.com vs. other); p-values for t-tests also included

Readability test	Mean	Standard deviation	Top 10	.com	Other	p-value
FKGL	9.80	2.84	8.86	10.53	9.43	0.034
GFI	9.77	3.90	9.22	10.35	9.47	0.144
CLI	11.39	3.91	11.09	11.95	11.11	0.154
SMOG	11.00	2.65	10.64	11.29	10.85	0.213
FRE	42.66	18.41	48.81	37.05	45.55	0.014

^a FRE, Flesch Reading Ease; FKGL, Flesch Kincaid Grade Level; GFI, Gunning Fog Index; CLI, Coleman-Liau Index; SMOG, Simple Measure of Gobbledygook