Errors
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Bad value “0-4 jaar/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/#” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/tag/baby--en-peuterboeken/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/tag/opvoeding/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/tag/prentenboeken/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/zoeken/voorlezen/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/zoeken/binnenspeelzand” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/tag/buitenspeelgoed/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/tag/Poppen(kast)/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/zoeken/*/cat/Puzzel” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “0-4 jaar/tag/kraamcadeaus/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/#” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-1/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-2/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-3/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-4/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-5/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-6/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-7/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/doelgroep/Groep-8/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/aardrijkskunde/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/bewegingsonderwijs/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/creatief/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/engels/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/geschiedenis/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/informatica/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/levensbeschouwing/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/muziek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/natuur-en-techniek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/nederlands/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/rekenen/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/sociaal-emotioneel/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/verkeer/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/(Faal)angst/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/AD(H)D/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Autismespectrum/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Beelddenken/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Bijspijkeren/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Dyscalculie/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Dyslexie/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Hoogbegaafdheid/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Hoogsensitiviteit/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/NT2/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/leerbehoefte/Speciaal-onderwijs/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/tag/energizers/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/tag/klaslokaal” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/leerkracht/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/tag/educatieve-cadeaus/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “4-12 jaar/vakgebied/ouders/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/#” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/aardrijkskunde/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/bewegingsonderwijs/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/biologie/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/CKV/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/duits/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/economie/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/engels/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/frans/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/geschiedenis/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/ICT/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/klasieke-talen/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/levensbeschouwing/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/maatschappijleer” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/muziek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/NASK/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/nederlands/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/spaans/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/techniek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/wiskunde/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/doelgroep/HAVO|VWO-bovenbouw/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/doelgroep/HAVO|VWO-onderbouw/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/doelgroep/VMBO-bovenbouw/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/doelgroep/VMBO-onderbouw/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/tag/energizers/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/docent/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “12-18 jaar/vakgebied/ouders/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/bookshelf/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/#” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/bedrijfskunde/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/communicatie/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/exacte-wetenschappen/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/geneeskunde/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/geschiedenis/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/kunst-en-cultuur/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/marketing/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/mens-en-maatschappij/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/onderwijs/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/psychologie/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/recht/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/scriptie-schrijven/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/taal-en-letteren/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “vanaf 18/vakgebied/techniek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Stray end tag “div”.
The “align” attribute on the “input” element is obsolete. Use CSS instead.
Duplicate ID “1”.
Duplicate ID “2”.
Duplicate ID “3”.
Duplicate ID “4”.
Duplicate ID “5”.
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Bad value “/onderwijskalender/Zomervakantie Midden_469.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/onderwijskalender/Zomervakantie Noord_470.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/onderwijskalender/Kinderboekenweek 2018_474.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Vasco het voetbalvarkentje_237617.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/0-4 jaar/cat/Boek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Sammie en Beer - Sammie gaat naar school _239051.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Sammies eerste nacht_237824.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/4-12 jaar/vakgebied/Rekenen/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/4-12 jaar/vakgebied/Rekenen/cat/Hulpmiddel/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Samenleesboeken serie 9_416860.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/4-12 jaar/vakgebied/Nederlands/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/4-12 jaar/vakgebied/Nederlands/cat/Boek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Educatieve posters kleuters_409181.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/4-12 jaar/vakgebied/Rekenen/cat/Poster/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Magneet- en schrijfbord_417230.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Docent/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Docent/cat/bord/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/The Dutch Way. Leren, lesgeven en leiderschap in het Nederlandse onderwijs_410543.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Docent/cat/Boek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Engels/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Engels/cat/digitaal/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Sterrenkunde voor in bed, op het toilet of in bad (ebook)_295708.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Exacte wetenschappen/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Exacte wetenschappen/cat/Ebook/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/Fantoomlichaam, stigmatisatie en geesteswetenschappelijk onderzoek_295681.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Mens en maatschappij/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Mens en maatschappij/cat/Boek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/De social teacher_349332.html” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Onderwijs/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Bad value “/12-18 jaar/vakgebied/Onderwijs/cat/Boek/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.
Stray end tag “font”.
The “align” attribute on the “p” element is obsolete. Use CSS instead.
Stray end tag “a”.
The “valign” attribute on the “td” element is obsolete. Use CSS instead.
The “hspace” attribute on the “img” element is obsolete. Use CSS instead.
Stray end tag “td”.
Bad value “/?opdr=service&pag=ervaringen delen” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
No “p” element in scope but a “p” end tag seen.
The “width” 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 “td” element is obsolete. Use CSS instead.
Stray end tag “button”.
The “font” element is obsolete. Use CSS instead.
End tag “a” violates nesting rules.
No “font” element in scope but a “font” end tag seen.
Bad value “?opdr=service&pag=ervaringen delen” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Stray start tag “br”.
Cannot recover after last error. Any further errors will be ignored.
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
The first occurrence of ID “1” was here.
The first occurrence of ID “2” was here.
The first occurrence of ID “3” was here.
The first occurrence of ID “4” was here.
The first occurrence of ID “5” was here.