Readability and overall technical quality of web pages
| Type of page | N | Flesch–Kincaid Grade Level Index* mean (95% CL) | Overall technical quality* mean (95% CL) |
|---|---|---|---|
| All | 87 | 8.0 (7.3–8.7) | 7.1 (6.8–7.4) |
| Retail | 64 | 7.5 (6.7–8.3) | 7.2 (7.0–7.3) |
| Non-retail | 23 | 9.5 (8.1–10.8) | 6.9 (5.6–8.1) |
| Organisation | 9 | 9.3 (7.4–11.2) | 5.4 (4.8–6.1) |
| Educational | 6 | 8.8 (3.9–13.7) | 5.5 (2.6–8.4) |
| News | 6 | 10.6 (8.2–12.9) | 10.8 (8.9–12.8) |
| Government | 1 | 11.2 (N/A) | 5.0 (N/A) |
| Sponsored link | 1 | 6.1 (N/A) | 6.0 (N/A) |
*Indicates statistically significant mean difference for retail versus non-retail (Wilcoxon rank sum test p≤0.05).