| Critical | alt text should not contain placeholders like 'picture' or 'spacer'.
alt='SEObox' | WCAG 2.1 A F30
Section 508 (2017) A F30
| 661 |
| Critical | Invalid CSS selector.
: : : : : | CSS Validation
| 403 403 418 418 426
...
|
| Critical | CSS Validation Error.
| CSS Validation
| 403 418 426 |
| Critical | The interactive element button must not
appear as a descendant of the a element.
| HTML5
WCAG 2.1 A 4.1.1
Section 508 (2017) A 4.1.1
| 1188 1188 1188 1188 |
| Critical | The element button must not appear as a descendant of the a element.
| HTML5
WCAG 2.1 A 4.1.1
Section 508 (2017) A 4.1.1
| 1188 1188 1188 1188 |
| Critical | Attribute _ not allowed on element.
| HTML5
| 502 |
| Critical | Attribute type not allowed on element.
| HTML5
| 563 576 |
| Critical | Attribute xero-data-name not allowed on element.
| HTML5
| 43 |
| Critical | Bad value for attribute type.
Expected a token character or '/' but saw type=button | HTML5
| 789 |
| Critical | Element style not allowed as child element in this context.
| HTML5
| 817 834 |
| Critical | Duplicate id - the same ID is used on more than one element.
id=message-field id=message-field | HTML5
WCAG 2.1 A 4.1.1
Section 508 (2017) A 4.1.1
| 706 716 |
| Critical | No p element in scope but a p end tag seen.
| HTML5
| 563 576 |
| Critical | Saw " when expecting an attribute name. Probable cause: = missing immediately before.
| HTML5
| 502 |
| Critical | Stray start tag style.
| HTML5
| 817 |
| Critical | A link element with an as attribute must have a rel attribute that contains the value preload or the value modulepreload.
| HTML5
| 626 |
| Critical | Offer an HTML site map to your users with links that point to the important parts of your site. Links embedded in menus, list boxes, and similar elements are not accessible to web crawlers unless they appear in your site map. If the site map is larger than 100 or so links, you may want to break the site map into separate pages.
| Google
Bing
| 1 |
| Very Important | Omitting img width or height attributes makes the page layout jump about as images load.
| Usability.gov 14:3
W3C
| 905 925 932 940 984
...
|
| Important | Don't use CSS animations or transitions in interactions without giving the user a way to turn them off.
:hover transition: all 0.3s | WCAG 2.1 2.3.3
| 979 |
| Important | Ensure that text and background colors have a 7:1 contrast ratio.
The text color to background color contrast ratio after composition is: 5.02 with
color: rgb(111,111,111);background-color: rgb(255,255,255);font-size: 10.50pt;font-weight: 400; | WCAG 2.1 AAA 1.4.6
| 1175 |
| Important | Search engines may penalize invisible text where text color is nearly identical to the background color.
The colors used are: color: rgb(255,255,255);background-color: rgb(255,255,255); color: rgb(255,255,255);background-color: rgb(255,255,255); color: rgb(255,255,255);background-color: rgb(255,255,255); color: rgb(255,255,255);background-color: rgb(255,255,255); | Google
Yahoo
Bing
| 707 708 714 714 |
| Important | Use at least a 12-point font on all web pages.
| Usability.gov 11:8
| 399 442 |
| Less Important | Use site maps for web sites that have many pages.
| Usability.gov 7:10
| 1 |