Site Report

This tab shows pages that do not comply with W3C standards.

Status	Summary
	W3C HTML/XHTML Validation - Some pages fail validation.
	W3C CSS Validation - Some pages fail validation.
	W3C Deprecated Features - No issues found.

Priority	Description and URL	Guideline and Line#	Count
Priority 1 15 issues on 3 pages
	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	1 pages
	https://taowebsite.com.vn/	Line 1191 1194 1197 1200
	Attribute :name not allowed on element.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 246
	Bogus comment. <! must be followed by -- or DOCTYPE or [CDATA[ with no intervening spaces.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 123 145 146 168 190 ...
	Element meta is missing one or more required attributes.	HTML5	1 pages
	Missing itempropproperty https://taowebsite.com.vn/	Line 246
	Element style not allowed as child element in this context.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 132 155 177 206 229 ...
	Invalid value for CSS property.	CSS Validation	1 pages
	padding: none padding: none https://taowebsite.com.vn/wp-content/plugins/social-warfare/assets/css/style.min.css?ver=4.3.0	Line 593 616
	Start tag body seen but an element of the same type was already open.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 249
	Stray end tag head.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 247
	The allowtransparency attribute on the iframe element is obsolete. Use CSS instead.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 1208 1244 1249 1285 1321 ...
	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	1 pages
	https://taowebsite.com.vn/	Line 1387 1388 1389
	The frameborder attribute on the iframe element is obsolete. Use CSS instead.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 1208 1244 1249 1285 1321 ...
	The marginheight attribute on the iframe element is obsolete. Use CSS instead.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 1208 1244 1249 1285 1321 ...
	The marginwidth attribute on the iframe element is obsolete. Use CSS instead.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 1208 1244 1249 1285 1321 ...
	The scrolling attribute on the iframe element is obsolete. Use CSS instead.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 1208 1244 1249 1285 1321 ...
	Too many values for CSS property.	CSS Validation	1 pages
	If a global CSS property value like inherit, initial or unset has been used, then no other property values are allowed.
	flex-direction justify-content align-items flex-direction justify-content https://taowebsite.com.vn/wp-includes/css/dist/block-library/style.min.css?ver=6.0.1	Line 335 335 335 339 339 ...
Priority 3 1 issues on 1 pages
	Possible misuse of aria-label.	HTML5	1 pages
	https://taowebsite.com.vn/	Line 1207 1243 1248 1284 1320 ...
Informative These messages are for information only and do not indicate errors or conformance problems
	Property or at-rule is vendor specific.	CSS Validation	6 pages
	Properties and at-rules prefixed by a dash or underscore, the zoom property and the expression() function are vendor specific and only work on one browser engine.
	-webkit-appearance -ms-flex -webkit-box-ordinal-group -ms-flex-order -webkit-transition https://taowebsite.com.vn/	Line 425 948 950 951 1118
	-webkit-user-select -moz-user-select -ms-user-select -o-user-select -webkit-font-smoothing https://taowebsite.com.vn/wp-content/plugins/easy-table-of-contents/assets/css/screen.min.css?ver=2.0.17	Line 33 33 33 33 49 ...
	-webkit-clip-path https://taowebsite.com.vn/wp-content/plugins/related-posts-by-taxonomy/includes/assets/css/styles.css?ver=6.0.1	Line 10
	-webkit-touch-callout -o-object-fit -o-object-fit -o-object-fit -webkit-mask-image https://taowebsite.com.vn/wp-includes/css/dist/block-library/style.min.css?ver=6.0.1	Line 79 128 168 196 224 ...
	This issue was found on another 2 pages. The trial version is limited to showing issues on 4 pages.
	Expand all 17 issues