Errors:
CSS: “xbackground”: Property “xbackground” doesn't exist.
CSS: “_noFocusLine”: Parse Error.
CSS: “xmargin-right”: Property “xmargin-right” doesn't exist.
CSS: “xdisplay”: Property “xdisplay” doesn't exist.
CSS: “xheight”: Property “xheight” doesn't exist.
CSS: “text-overflow”: “none” is not a “text-overflow” value.
CSS: “float”: “auto” is not a “float” value.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
CSS: “xtop”: Property “xtop” doesn't exist.
Attribute “lazyload” not allowed on element “img” at this point.
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)
The “main” element must not appear as a descendant of the “section” element.
Bad value “(min-width: 1800px) w” for attribute “sizes” on element “source”: Bad CSS number token: Expected a minus sign or a digit but saw “w” instead at “(min-width: 1800px) w”.
Bad value “https://propelrr.com/wp-content/uploads/2020/04/propelrr-airplane-largescreen.png” for attribute “srcset” on element “source”: No width specified for image “https://propelrr.com/wp-c…-airplane-largescreen.png”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)
Bad value “(min-width: 650px) 1200w” for attribute “sizes” on element “source”: Expected units (one of “em”, “ex”, “ch”, “rem”, “vw”, “vh”, “vmin”, “vmax”, “cm”, “mm”, “q”, “in”, “pc”, “pt”, “px”) but found “w” at “(min-width: 650px) 1200w”.
Bad value “https://propelrr.com/wp-content/uploads/2020/01/plane-desktop.png” for attribute “srcset” on element “source”: No width specified for image “https://propelrr.com/wp-c…2020/01/plane-desktop.png”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)
Bad value “(min-width: 320px) 414w” for attribute “sizes” on element “source”: Expected units (one of “em”, “ex”, “ch”, “rem”, “vw”, “vh”, “vmin”, “vmax”, “cm”, “mm”, “q”, “in”, “pc”, “pt”, “px”) but found “w” at “(min-width: 320px) 414w”.
Bad value “https://propelrr.com/wp-content/uploads/2020/01/plane-mobile.jpg” for attribute “srcset” on element “source”: No width specified for image “https://propelrr.com/wp-c…/2020/01/plane-mobile.jpg”. (When the “sizes” attribute is present, all image candidate strings must specify a width.)
Attribute “loading” not allowed on element “img” at this point.
Element “noscript” not allowed as child of element “picture” in this context. (Suppressing further errors from this subtree.)
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Element “img” is missing required attribute “src”.
Bad value “tel:+632 7 978 0883” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “tel:+1 619 838 8339” for attribute “href” on element “a”: Illegal character in scheme data: space is not allowed.
Bad value “true” for attribute “async” on element “script”.
Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.
Warnings:
The “main” role is unnecessary for element “main”.
Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.