Table 4 Descriptive statistics of web accessibility errors (N = 44,241) on physics curriculum webpages published on institutional webpages (N = 73), by error type
Standards aligned with errors | Number of errors | % of all errors | |
|---|---|---|---|
Perceivable | Level A, 1.3.1, Information and relationships | 17,564 | 39.7% |
Level A, 1.1.1, Non-text content | 11,965 | 27.0% | |
Level AA, 1.4.4, Resize text | 4436 | 10.0% | |
Level A, 1.4.3, Contrast (minimum) | 413 | < 1% | |
Level A, 1.3.2, Meaningful sequence | 250 | < 1% | |
Level A, 1.2.2, Captions (prerecorded) | 1 | < 1% | |
Operable | Level A, 2.4.4, Link purpose (in context) | 6514 | 14.7% |
Level A, 2.1.1, Keyboard | 616 | 1.4% | |
Level A, 2.4.1, Bypass blocks | 118 | < 1% | |
Level AA, 2.4.6, Headings and labels | 88 | < 1% | |
Level A, 2.4.3, Focus order | 20 | < 1% | |
Level A, 2.4.2, Page titled | 2 | < 1% | |
Understandable | Level A, 3.3.2, Labels or instructions | 1089 | 2.5% |
Level A, 3.2.4, Consistent identification | 33 | < 1% | |
Level A, 3.2.1, On focus | 20 | < 1% | |
Level A, 3.1.1, Language of page | 14 | < 1% | |
Robust | Level A, 4.1.2, Name, role, value | 4937 | 11.2% |
Level A, 4.1.1, Parsing | 49 | < 1% | |
Total | 44,241 | ||