Table 2.
Accessibility guidelines violated by the evaluated websites.
| WCAG Reference |
Number of violations |
||||
|---|---|---|---|---|---|
| Rule ID | Rule | Health_1 | Health_2 | COVID_1 | COVID_2 |
| 1.1.1 | All non-text content must have a text alternative, such as alt text (Level A) | 1 | 1 | 2 | 10 |
| 1.3.1 | Any visual effect used to indicate meaning (e.g. indentation) must have metadata to convey that meaning to accessibility tools (Level A) | 2 | 2 | 1 | 1 |
| 1.4.3 | Meaningful text must have a sufficiently high contrastwith the background (Level AA) | 11 | 12 | 6 | 3 |
| 2.1.1 | The website must be navigable using only a keyboard (Level A) | 0 | 0 | 1 | 1 |
| 2.4.1 | It must be possible to bypass blocks of repeated text (Level A) | 1 | 1 | 1 | 1 |
| 2.4.2 | Every page must have a descriptive title (Level A) | 1 | 1 | 1 | 1 |
| 2.4.4 | A link's text must describe what it links to (Level AA) | 137 | 138 | 10 | 11 |
| 2.4.6 | Headings and labels must be descriptive (Level AA) | 2 | 2 | 1 | 1 |
| 3.3.2 | Any field that accepts user input must have a label to describe its purpose (Level A) | 1 | 1 | 1 | 1 |