| Critical | An element with a role that hides child elements contains focusable child elements.
role=tab role=tab role=tab role=tab role=tab | WCAG 2.1 A 4.1.2
Section 508 (2017) A 4.1.2
ARIA 1.1 Presentational Children
| 1888 1891 1894 1897 1900
...
|
| Critical | iframe and frame elements must have a title attribute.
| WCAG 2.1 A 4.1.2
Section 508 (2017) A 4.1.2
| 1208 1244 1249 1285 1321
...
|
| Critical | Each a element must contain text or an img with an alt attribute.
| WCAG 2.1 A F89
Section 508 (2017) A F89
| 1861 3177 3180 3183 3336
...
|
| Critical | The allowtransparency attribute on the iframe element is obsolete.
Use CSS instead.
| HTML5
| 1208 1244 1249 1285 1321
...
|
| Critical | The frameborder attribute on the iframe element is obsolete.
Use CSS instead.
| HTML5
| 1208 1244 1249 1285 1321
...
|
| Critical | The marginheight attribute on the iframe element is obsolete.
Use CSS instead.
| HTML5
| 1208 1244 1249 1285 1321
...
|
| Critical | The marginwidth attribute on the iframe element is obsolete.
Use CSS instead.
| HTML5
| 1208 1244 1249 1285 1321
...
|
| Critical | The scrolling attribute on the iframe element is obsolete.
Use CSS instead.
| HTML5
| 1208 1244 1249 1285 1321
...
|
| Critical | The element link must not appear as a descendant of the body element
unless the link element has an
itemprop attribute or has a
rel attribute whose value is one of
dns-prefetch,
modulepreload,
pingback,
preconnect,
prefetch,
preload,
prerender, or
stylesheet.
| HTML5
| 1387 1388 1389 |
| Critical | Attribute :name not allowed on element.
| HTML5
| 246 |
| Critical | Element meta is missing one or more required attributes.
Missing itempropproperty | HTML5
| 246 |
| Critical | Element style not allowed as child element in this context.
| HTML5
| 132 155 177 206 229
...
|
| Critical | Bogus comment. <! must be followed by -- or DOCTYPE or [CDATA[ with no intervening spaces.
| HTML5
| 123 145 146 168 190
...
|
| Critical | Start tag body seen but an element of the same type was already open.
| HTML5
| 249 |
| Critical | Stray end tag head.
| HTML5
| 247 |
| Critical | A link element must have an as attribute for rel=preload, may have an as attribute for rel=modulepreload or rel=prefetch and cannot have an as attribute for other rel values.
| HTML5
| 1191 1194 1197 1200 |
| Critical | This link is broken. The page could not be found on the target web server.
Broken link: https://taowebsite.com.vn/wp-content/themes/generatepress/js/combine-menu.js?ver=3.1.3 404 Not Found | Broken Link
| 3421 |
| Very Important | Ensure that text and background colors have enough contrast.
The text color to background color contrast ratio after composition is:
3.69 with
color: rgb(255,255,255);background-color: rgb(27,153,71);font-size: 11.25pt;font-weight: 400;
3.69 with
color: rgb(255,255,255);background-color: rgb(27,153,71);font-size: 11.25pt;font-weight: 400;
3.69 with
color: rgb(255,255,255);background-color: rgb(27,153,71);font-size: 11.25pt;font-weight: 400;
3.69 with
color: rgb(255,255,255);background-color: rgb(27,153,71);font-size: 10.50pt;font-weight: 400;
3.69 with
color: rgb(255,255,255);background-color: rgb(27,153,71);font-size: 10.50pt;font-weight: 400; | WCAG 2.1 AA 1.4.3
Section 508 (2017) AA 1.4.3
| 1535 1538 1541 1551 1554
...
|
| Very Important | Omitting img width or height attributes makes the page layout jump about as images load.
| Usability.gov 14:3
W3C
| 3338 |
| 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 :hover transition: all 0.3s :hover transition: all 0.3s :hover transition: all 0.3s :hover transition: all 0.3s | WCAG 2.1 2.3.3
| 1889 1892 1895 1898 1901
...
|
| Important | Ensure that text and background colors have a 7:1 contrast ratio.
The text color to background color contrast ratio after composition is:
4.86 with
color: rgb(32,178,88);background-color: rgb(44,48,39);font-size: 11.25pt;font-weight: 400;
4.86 with
color: rgb(32,178,88);background-color: rgb(44,48,39);font-size: 11.25pt;font-weight: 400; | WCAG 2.1 AAA 1.4.6
| 3345 3347 |
| Important | Avoid specifying a new window as the target of a link with target=_blank.
| WCAG 2.1 AAA F22
| 3177 3180 3183 3187 3190
...
|
| Important | Search engines may penalize invisible text where text color is nearly identical to the background color.
The colors used are:
color: ;background-color: ;
color: ;background-color: ; | Google
Yahoo
Bing
| 638 643 |
| Important | Syntax errors in the head of the document prevent reliable extraction of meta tags and page titles.
| Google
| 247 249 |
| Important | No meta description tag found. Use a description tag that accurately describes the contents of a web page.
| Yahoo
Google
Bing
| 1 |
| Important | Use at least a 12-point font on all web pages.
| Usability.gov 11:8
| 517 |
| Important | Possible misuse of aria-label.
| HTML5
| 1207 1243 1248 1284 1320
...
|