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HTML Validation Result of w3schools.com
After validating, we found 13 errors and 4 warnings.
13 Errors
1. Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.) 3 occurrences
On
line 8473,
column 7
On line 8723, column 7
On line 8868, column 7
'...</script> <style> #subt...'
On line 8723, column 7
'...</script> <style> .topn...'
On line 8868, column 7
'...</script> <style> .belo...'
2. CSS: “xxborder-left”: Property “xxborder-left” doesn't exist. 1 occurrence
On
line 8515,
column 47
'...(40, 42, 53,0.5); } #btn_co...'
3. CSS: “xborder-right”: Property “xborder-right” doesn't exist. 2 occurrences
On
line 8532,
column 48
On line 8562, column 47
'...(40, 42, 53,0.5); xbackgroun...'
On line 8562, column 47
'...(40, 42, 53,0.5); height:33p...'
4. CSS: “xbackground”: Property “xbackground” doesn't exist. 1 occurrence
On
line 8533,
column 18
'...ckground: red; } ...'
5. CSS: “xbackground-color”: Property “xbackground-color” doesn't exist. 1 occurrence
On
line 8536,
column 27
'...und-color:#282A35; ba...'
6. CSS: “xxbackground-color”: Property “xxbackground-color” doesn't exist. 1 occurrence
On
line 8549,
column 28
'...und-color:#282A35; ba...'
7. CSS: Parse Error. 4 occurrences
On
line 8572,
column 24
On line 8573, column 2
On line 10220, column 18
On line 10221, column 2
'...important; } #sub...'
On line 8573, column 2
'...!important; } #subtopnav::-w...'
On line 10220, column 18
'...color:#FFF4A3!; } .footerlinks...'
On line 10221, column 2
'...lor:#FFF4A3!; } .footerlinks_1...'
8. Duplicate attribute “alt”. 1 occurrence
On
line 9484,
column 98
'...ding="lazy" alt="Track your pr...'
9. CSS: “wixdth”: Property “wixdth” doesn't exist. 1 occurrence
On
line 9566,
column 68
'...> </div> <hr style="margin:0;border:2px solid grey;wixdth:50%;mxargin:auto;"> <div ...'
10. CSS: “mxargin”: Property “mxargin” doesn't exist. 1 occurrence
On
line 9566,
column 68
'...> </div> <hr style="margin:0;border:2px solid grey;wixdth:50%;mxargin:auto;"> <div ...'
11. Stray end tag “div”. 2 occurrences
On
line 10175,
column 6
On line 10176, column 6
'...> </div> </div> </div...'
On line 10176, column 6
'...v> </div> </div> <div ...'
12. Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.) 3 occurrences
On
line 10178,
column 7
On line 10322, column 7
On line 10375, column 7
'...ntainer"> <style> #wrap...'
On line 10322, column 7
'...rapper"> <style> @medi...'
On line 10375, column 7
'...v> </div> <style> /*Rem...'
13. Attribute “alt” not allowed on element “a” at this point. 1 occurrence
On
line 10364,
column 97
'...nks_1"> <a href="//www.w3schools.com" class="ga-bottom" aria-label="W3Schools.com" alt="W3Schools.com"> <...'
4 Warnings
1. The “type” attribute is unnecessary for JavaScript resources. 1 occurrence
On
line 65,
column 52
'... </style> <script data-cfasync="false" type="text/javascript"> uic_p...'
2. Trailing slash on void elements has no effect and interacts badly with unquoted attribute values. 21 occurrences
On
line 954,
column 10
On line 1591, column 20
On line 3797, column 18
On line 3837, column 20
On line 4895, column 16
On line 4934, column 20
On line 5727, column 58
On line 6264, column 16
On line 6304, column 20
On line 6322, column 22
On line 6804, column 24
On line 6836, column 24
On line 6921, column 28
On line 9483, column 85
On line 9514, column 167
On line 9520, column 170
On line 9542, column 187
On line 9586, column 120
On line 9600, column 118
On line 9613, column 90
On line 9641, column 106
'... <input id="tnb-google-search-input" type="text" placeholder="Search..." autocomplete="off" onkeydown="TopNavBar.googleSearchAttachKeyPressHandler(event)" aria-label="Search field" oninput="TopNavBar.searchWithSuggestions(this)" onfocus="TopNavBar.searchWithSuggestions(this)" onblur="TopNavBar.searchFieldLostFocus(event)" /> ...'
On line 1591, column 20
'... <input id="filter-tutorials-input" oninput="TopNavBar.filter(event, 'nav_tutorials')" type="text" class="filter-input" placeholder="Filter..." aria-label="Tutorials filter input" /> ...'
On line 3797, column 18
'... <br /> ...'
On line 3837, column 20
'... <input id="filter-exercises-input" oninput="TopNavBar.filter(event, 'nav_exercises')" type="text" class="filter-input" placeholder="Filter..." aria-label="Exercises filter bar" /> ...'
On line 4895, column 16
'... <br /> ...'
On line 4934, column 20
'... <input id="filter-certified-input" oninput="TopNavBar.filter(event, 'nav_certified')" type="text" class="filter-input" placeholder="Filter..." aria-label="Certificate filter bar" /> ...'
On line 5727, column 58
'... <br class="w3-hide-large w3-hide-small" /> ...'
On line 6264, column 16
'... <br /> ...'
On line 6304, column 20
'... <input id="filter-services-input" oninput="TopNavBar.filter(event, 'nav_services')" type="text" class="filter-input" placeholder="Filter..." aria-label="Services filter bar" /> ...'
On line 6322, column 22
'... <br /> ...'
On line 6804, column 24
'... <img class="w3-hide-medium" src="/images/colorpicker2000.png" alt="A circular color wheel showing the gradation of colors in the spectrum" loading="lazy" style=" margin-left: 15px; width: 35px; position: absolute; top: 15px; right: 15px; " /> ...'
On line 6836, column 24
'... <img class="w3-hide-medium" src="/signup/lynxlogo.svg" alt="Lynx logo" style=" margin-left: 15px; width: 35px; position: absolute; top: 7px; right: 15px; " /> ...'
On line 6921, column 28
'... <br /> ...'
On line 9483, column 85
'...> <source srcset="dashboard1.webp" type="image/webp" style="max-width:100%;" /> ...'
On line 9514, column 167
'...e> <source srcset="codeeditor.webp" type="image/webp" style="width:100%;height:auto;display:block;border-bottom-left-radius:4px;border-bottom-right-radius:4px;" /> ...'
On line 9520, column 170
'...> <source srcset="/tryit/best2.webp" type="image/webp" style="width:100%;height:auto;display:block;border-bottom-left-radius:4px;border-bottom-right-radius:4px;" /> ...'
On line 9542, column 187
'...re> <source srcset="/spaces/dynamicspaces.webp" type="image/webp" style="border:2px solid #f1f1f1;border-radius:5px;max-width:100%;width:850px;margin-bottom: 55px; margin-top: 20px;" /> ...'
On line 9586, column 120
'...> <source srcset="/images/classroom.webp" type="image/webp" style="width:100%;max-width:500px;margin-top:16px;" /> ...'
On line 9600, column 118
'...re> <source srcset="/images/colorpicker.webp" type="image/webp" style="width:150px;height:128px;margin-top:16px;" /> ...'
On line 9613, column 90
'...re> <source style="margin:16px 0;" srcset="/images/w3lynx_200.webp" type="image/webp" /> ...'
On line 9641, column 106
'...> <source srcset="w3css_templates.webp" type="image/webp" style="width:100%;margin:16px 0 20px 0" /> ...'
3. Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073) 1 occurrence
On
line 1019,
column 19
'... <i></i> </a...'
4. Possible misuse of “aria-label”. (If you disagree with this warning, file an issue report or send e-mail to [email protected].) 1 occurrence
On
line 6915,
column 17
'... <div class="serviceslink ga-top-drop ga-top-drop-services-contact-us" title="Contact Us" aria-label="Contact Us" > ...'
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