Errors:
Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
Bad value “(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 1)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 320px) and (device-height: 480px) and (-webkit-device-pixel-ratio: 2)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 320px) and (device-height: 568px) and (-webkit-device-pixel-ratio: 2)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 375px) and (device-height: 667px) and (-webkit-device-pixel-ratio: 2)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 414px) and (device-height: 736px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 3)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 414px) and (device-height: 736px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 3)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 768px) and (device-height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 1)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 768px) and (device-height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 1)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 768px) and (device-height: 1024px) and (orientation: landscape) and (-webkit-device-pixel-ratio: 2)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
Bad value “(device-width: 768px) and (device-height: 1024px) and (orientation: portrait) and (-webkit-device-pixel-ratio: 2)” for attribute “media” on element “link”: Expected a CSS media feature but saw “device-width” instead.
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
The “width” attribute on the “table” element is obsolete. Use CSS instead.
The “summary” attribute on the “table” element is obsolete. Consider describing the structure of the “table” in a “caption” element or in a “figure” element containing the “table”; or, simplify the structure of the “table” so that no description is needed.
The “border” attribute on the “table” element is obsolete. Use CSS instead.
The “align” attribute on the “tr” element is obsolete. Use CSS instead.
The “valign” attribute on the “tr” element is obsolete. Use CSS instead.
The “width” attribute on the “td” element is obsolete. Use CSS instead.
The “align” attribute on the “td” element is obsolete. Use CSS instead.
The “abbr” attribute on the “td” element is obsolete. Consider instead beginning the cell contents with concise text, followed by further elaboration if needed.
Element “input” is missing required attribute “alt”.
Bad value “” for attribute “height” on element “img”: The empty string is not a valid non-negative integer.
Bad value “https://www.scope-online.de/upload_weka/3011 Pump Front View_1635140.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Waage Ohaus_1623488.png” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Global warfare between bacteria and fungi in soil CREDITS - Hildebrand-Krolik in collaboration with Campbell Medical Illustration - EMBL_1617041.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Sampling site_China Peking_Hauptstrasse_1517364.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Food Fraud_1516430.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Attribute “value” not allowed on element “input” at this point.
No space between attributes.
Attribute “)” not allowed on element “form” at this point.
Bad value “https://www.scope-online.de/upload_weka/3011 Pump Front View_1635137.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Global warfare between bacteria and fungi in soil CREDITS - Hildebrand-Krolik in collaboration with Campbell Medical Illustration - EMBL_1617039.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Sampling site_China Peking_Hauptstrasse_1517362.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
Bad value “https://www.scope-online.de/upload_weka/Bild 1-web_1618629.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.
The element “header” must not appear as a descendant of the “footer” element.
Warnings:
The “language” attribute on the “script” element is obsolete. You can safely omit it.
The “navigation” role is unnecessary for element “nav”.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
A table row was 5 columns wide, which is less than the column count established by the first row (7).
Attribute “)” is not serializable as XML 1.0.