nul-online.de Website Information

Daily Unique Visits: 843

Daily Page Views: 1,686

Income Per Day: $5

Estimated Value: $1,200

nul-online.de is registered under .DE top-level domain. Please check other sites in .DE zone.

No name server records were found.

and is probably hosted by LEITWERK AG. See the full list of other websites hosted by LEITWERK AG.

The highest website nul-online.de position in Alexa rank database was 77084 and the lowest rank position was 999394. Current position of nul-online.de in Alexa rank database is 850748.

Desktop speed score of nul-online.de (76/100) is better than the results of 61.81% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of nul-online.de is unknown.

Mobile speed of nul-online.de is unknown.

nul-online.de Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

nul-online.de whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Domain: nul-online.de
Status: connect

nul-online.de server information

Servers Location

nul-online.de desktop page speed rank

Last tested: 2019-04-10

Desktop Speed Medium

76/100

nul-online.de Desktop Speed Test Quick Summary

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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.nul-online.de/javascript/jquery/2.1.4/jquery.min.js
https://www.nul-online.de/javascript/CMS/bannerResponsive.js
https://www.nul-online.de/Vorlagen/Webapp/CMS/_def…dist/foundation.min.js
https://www.nul-online.de/Vorlagen/Webapp/CMS/_def…sel/slick/slick.min.js
https://use.typekit.net/zpf7lcs.js
https://ulmer.adspirit.de/adscript.php?pid=251&ord=432617052755671
https://ulmer.adspirit.de/adscript.php?pid=252&ord=432617052755671
https://ulmer.adspirit.de/adscript.php?pid=253&ord=432617052755671

Optimize CSS Delivery of the following:

https://www.nul-online.de/Vorlagen/Webapp/CMS/_def…tsplanung.css?20150719

priority - 3Enable compression

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priority - 1Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://ulmer.adspirit.de/adasync.min.js (expiration not specified)
https://ssl.google-analytics.com/ga.js (2 hours)

priority - 0Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 1.7KiB (37% reduction).

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priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 1.7KiB (11% reduction).

Minifying https://www.nul-online.de/ could save 1.7KiB (11% reduction) after compression.

nul-online.de Desktop Resource Breakdown

Total Resources	101
Number of Hosts	8
Static Resources	63
JavaScript Resources	15
CSS Resources	3

nul-online.de HTML validation

Errors

Malformed byte sequence: “fc”.

Line: 5 Column: - 26
"......" Line: 6 Column: - 212
"......" Line: 8 Column: - 51
"......" Line: 24 Column: - 171
"......" Line: 222 Column: - 149
"......" Line: 247 Column: - 75
"......" Line: 270 Column: - 23
"......" Line: 283 Column: - 149
"......" Line: 419 Column: - 170
"......" Line: 439 Column: - 207
"......" Line: 441 Column: - 174
"......" Line: 462 Column: - 170
"......" Line: 462 Column: - 204
"......" Line: 482 Column: - 127
"......" Line: 483 Column: - 247
"......" Line: 504 Column: - 131
"......" Line: 504 Column: - 175
"......" Line: 674 Column: - 47
"......" Line: 679 Column: - 203
"......"

Malformed byte sequence: “d6”.

Line: 5 Column: - 40
"......" Line: 6 Column: - 65
"......" Line: 8 Column: - 65
"......" Line: 24 Column: - 185
"......"

Malformed byte sequence: “f6”.

Line: 6 Column: - 138
"......" Line: 6 Column: - 159
"......" Line: 420 Column: - 87
"......" Line: 420 Column: - 231
"......" Line: 483 Column: - 68
"......" Line: 483 Column: - 156
"......" Line: 504 Column: - 166
"......"

Malformed byte sequence: “e4”.

Line: 6 Column: - 199
"......" Line: 364 Column: - 29
"......" Line: 366 Column: - 74
"......" Line: 420 Column: - 25
"......" Line: 440 Column: - 182
"......" Line: 440 Column: - 209
"......" Line: 441 Column: - 21
"......" Line: 441 Column: - 188
"......" Line: 504 Column: - 28
"......" Line: 504 Column: - 135
"......" Line: 504 Column: - 179
"......" Line: 661 Column: - 235
"......"

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Line: 13 Column: 2 - 28
"....de" /> <meta charset="ISO-8859-1"> <met..." Line: 717 Column: 2 - 28
"...> <head> <meta charset="ISO-8859-1"> </hea..."

Bad value “ISO-8859-1” for attribute “charset” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Line: 13 Column: 2 - 28
"....de" /> <meta charset="ISO-8859-1"> <met..."

Duplicate ID “mainmenu”.

Line: 172 Column: 33 - 77
"...r-medium"><ul class="menu align-right" id="mainmenu" > <li c..." Line: 214 Column: 4 - 52
"...acer"> <ul class="menu vertical canvas" id="mainmenu" > <li c..."

Duplicate ID “menuID_50725”.

Line: 276 Column: 1 - 31
"...gation" > <li class="" id="menuID_50725"><a hre..."

Duplicate ID “menuID_65398”.

Line: 277 Column: 6 - 47
"...</a> </li><li class="has-submenu" id="menuID_65398"><a hre..."

Duplicate ID “menuID_1114”.

Line: 279 Column: 1 - 30
"...rtical" > <li class="" id="menuID_1114"><a hre..."

Duplicate ID “menuID_180461”.

Line: 281 Column: 1 - 43
".../ul></li> <li class="has-submenu" id="menuID_180461"><a hre..."

Duplicate ID “menuID_180462”.

Line: 283 Column: 1 - 32
"...rtical" > <li class="" id="menuID_180462"><a hre..."

Duplicate ID “menuID_180463”.

Line: 284 Column: 6 - 37
"...</a> </li><li class="" id="menuID_180463"><a hre..."

Duplicate ID “menuID_180411”.

Line: 286 Column: 1 - 43
".../ul></li> <li class="has-submenu" id="menuID_180411"><a hre..."

Duplicate ID “menuID_1113”.

Line: 288 Column: 1 - 30
"...rtical" > <li class="" id="menuID_1113"><a hre..."

Duplicate ID “menuID_1331”.

Line: 289 Column: 6 - 35
"...</a> </li><li class="" id="menuID_1331"><a hre..."

Duplicate ID “menuID_82030”.

Line: 290 Column: 6 - 36
"...</a> </li><li class="" id="menuID_82030"><a hre..."

Duplicate ID “menuID_180388”.

Line: 291 Column: 6 - 37
"...</a> </li><li class="" id="menuID_180388"><a hre..."

Duplicate ID “menuID_160500”.

Line: 292 Column: 6 - 48
"...</a> </li><li class="has-submenu" id="menuID_160500"><a hre..."

Duplicate ID “menuID_180412”.

Line: 293 Column: 6 - 37
"...</a> </li><li class="" id="menuID_180412"><a hre..."

Duplicate ID “menuID_1119”.

Line: 294 Column: 6 - 35
"...</a> </li><li class="" id="menuID_1119"><a hre..."

Malformed byte sequence: “a9”.

Line: 413 Column: - 13
"......" Line: 434 Column: - 13
"......"

Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)

Line: 413 Column: - 19
"... <small>�&nbspprivat</small> ..." Line: 434 Column: - 19
"... <small>�&nbspNABU NRW | Bern..."

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Line: 417 Column: 45 - 51
"...28.03.2018</time></h5> ..." Line: 438 Column: 45 - 51
"...28.03.2018</time></h5> ..." Line: 459 Column: 45 - 51
"...28.03.2018</time></h5> ..." Line: 480 Column: 45 - 51
"...28.03.2018</time></h5> ..." Line: 501 Column: 45 - 51
"...28.03.2018</time></h5> ..."

Malformed byte sequence: “84”.

Line: 441 Column: - 58
"......" Line: 462 Column: - 181
"......" Line: 504 Column: - 69
"......"

Malformed byte sequence: “93”.

Line: 441 Column: - 68
"......" Line: 462 Column: - 209
"......" Line: 504 Column: - 92
"......"

Malformed byte sequence: “96”.

Line: 461 Column: - 186
"......" Line: 483 Column: - 90
"......"

Malformed byte sequence: “df”.

Line: 462 Column: - 146
"......" Line: 483 Column: - 113
"......" Line: 708 Column: - 19
"......"

Attribute “noresize” not allowed on element “iframe” at this point.

Line: 585 Column: 3 - 211
"...llout"> <iframe width="127" height="200" noresize="noresize" scrolling="no" frameborder="0" marginheight="0" marginwidth="0" src="//ulmer.adspirit.de/adframe.php?pid=362&ord=431870803616204" ALLOWTRANSPARENCY="true"> <a ..." Line: 594 Column: 3 - 211
"...llout"> <iframe width="127" height="200" noresize="noresize" scrolling="no" frameborder="0" marginheight="0" marginwidth="0" src="//ulmer.adspirit.de/adframe.php?pid=363&ord=431870803616204" ALLOWTRANSPARENCY="true"> <a ..." Line: 603 Column: 3 - 211
"...llout"> <iframe width="127" height="200" noresize="noresize" scrolling="no" frameborder="0" marginheight="0" marginwidth="0" src="//ulmer.adspirit.de/adframe.php?pid=364&ord=431870803616204" ALLOWTRANSPARENCY="true"> <a ..." Line: 612 Column: 3 - 211
"...llout"> <iframe width="127" height="200" noresize="noresize" scrolling="no" frameborder="0" marginheight="0" marginwidth="0" src="//ulmer.adspirit.de/adframe.php?pid=365&ord=431870803616204" ALLOWTRANSPARENCY="true"> <a ..."

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Text not allowed in element “iframe” in this context.

Line: 586 Column: 4 - 5
"...true"> <a href=..." Line: 586 Column: 6 - 89
"...ue"> <a href="//ulmer.adspirit.de/adnoclick.php?pid=362&ord=431870803616204" target="_top"> <..." Line: 587 Column: 5 - 6
"...top"> <img src..." Line: 587 Column: 7 - 98
"...p"> <img src="//ulmer.adspirit.de/adnoframe.php?pid=362&ord=431870803616204" alt="Hier klicken!"/> </..." Line: 588 Column: 4 - 6
"...en!"/> </a> </..." Line: 588 Column: - 7
"..."/> </a> </i..." Line: 595 Column: 4 - 5
"...true"> <a href=..." Line: 595 Column: 6 - 89
"...ue"> <a href="//ulmer.adspirit.de/adnoclick.php?pid=363&ord=431870803616204" target="_top"> <..." Line: 596 Column: 5 - 6
"...top"> <img src..." Line: 596 Column: 7 - 98
"...p"> <img src="//ulmer.adspirit.de/adnoframe.php?pid=363&ord=431870803616204" alt="Hier klicken!"/> </..." Line: 597 Column: 4 - 6
"...en!"/> </a> </..." Line: 597 Column: - 7
"..."/> </a> </i..." Line: 604 Column: 4 - 5
"...true"> <a href=..." Line: 604 Column: 6 - 89
"...ue"> <a href="//ulmer.adspirit.de/adnoclick.php?pid=364&ord=431870803616204" target="_top"> <..." Line: 605 Column: 5 - 6
"...top"> <img src..." Line: 605 Column: 7 - 98
"...p"> <img src="//ulmer.adspirit.de/adnoframe.php?pid=364&ord=431870803616204" alt="Hier klicken!"/> </..." Line: 606 Column: 4 - 6
"...en!"/> </a> </..." Line: 606 Column: - 7
"..."/> </a> </i..." Line: 613 Column: 4 - 5
"...true"> <a href=..." Line: 613 Column: 6 - 89
"...ue"> <a href="//ulmer.adspirit.de/adnoclick.php?pid=365&ord=431870803616204" target="_top"> <..." Line: 614 Column: 5 - 6
"...top"> <img src..." Line: 614 Column: 7 - 98
"...p"> <img src="//ulmer.adspirit.de/adnoframe.php?pid=365&ord=431870803616204" alt="Hier klicken!"/> </..." Line: 615 Column: 4 - 6
"...en!"/> </a> </..." Line: 615 Column: - 7
"..."/> </a> </i..."

Stray doctype.

Line: 714 Column: 1 - 15
"...t"> <!DOCTYPE html> <html..." Line: 744 Column: 1 - 15
"...> </html> <!DOCTYPE html> <html..."

Stray start tag “html”.

Line: 715 Column: 1 - 6
"...YPE html> <html> <head..." Line: 745 Column: 1 - 6
"...YPE html> <html> <head..."

Stray start tag “head”.

Line: 716 Column: 1 - 6
"...l> <html> <head> <met..." Line: 746 Column: 1 - 6
"...l> <html> <head> <met..."

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Line: 717 Column: - 27
"...set="ISO-8859-1"> </head> <bod..."

Attribute “charset” not allowed on element “meta” at this point.

Line: 717 Column: 2 - 28
"...> <head> <meta charset="ISO-8859-1"> </hea..."

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

Line: 717 Column: 2 - 28
"...> <head> <meta charset="ISO-8859-1"> </hea..."

A document must not include more than one “meta” element with a “charset” attribute.

Line: 717 Column: 2 - 28
"...> <head> <meta charset="ISO-8859-1"> </hea..."

Stray end tag “head”.

Line: 718 Column: 1 - 7
"...-8859-1"> </head> <body..."

Start tag “body” seen but an element of the same type was already open.

Line: 719 Column: 1 - 6
"...> </head> <body> <di..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 727 Column: 6 - 128
"...nk"> <img class="gruener_stellenmarkt_logo" src="../../_default_foundation6_zeitschriften/images/logo_gruener_stellenmarkt.png"> <..."

End tag for “body” seen, but there were unclosed elements.

Line: 742 Column: 1 - 7
"...spacer"> </body> </htm..."

Unclosed element “section”.

Line: 711 Column: 2 - 28
"...print"> <section id="brickboxlist"> ..."

Unclosed element “div”.

Line: 709 Column: 1 - 59
"...rge-8 --> <div class="large-4 columns show-for-large hide-for-print"> <se..." Line: 343 Column: 10 - 26
"... <div class="row"><!-- w..." Line: 342 Column: 7 - 37
"..."> <div id="main-content-wrapper"> ..." Line: 333 Column: 6 - 61
"...er> <div class="off-canvas-content" data-off-canvas-content> ..." Line: 112 Column: 5 - 46
"...iv> <div id="page_wrapper" class="row column"> ..." Line: 101 Column: 4 - 46
"...div> <div id="sky_wrapper_do_not_delete_please"> ..." Line: 90 Column: 3 - 64
"...pper"> <div class="off-canvas-wrapper-inner" data-off-canvas-wrapper> ..." Line: 88 Column: 2 - 33
"... <body> <div class="off-canvas-wrapper"> <d..."

Cannot recover after last error. Any further errors will be ignored.

Line: 746 Column: 1 - 6
"...l> <html> <head> <met..."

Warnings

The first occurrence of ID “mainmenu” was here.

Line: 117 Column: 4 - 36
"...only"> <ul class="menu" id="mainmenu" > <li c..." Line: 117 Column: 4 - 36
"...only"> <ul class="menu" id="mainmenu" > <li c..."

The first occurrence of ID “menuID_50725” was here.

Line: 215 Column: 1 - 31
"...inmenu" > <li class="" id="menuID_50725"><a hre..."

The first occurrence of ID “menuID_65398” was here.

Line: 216 Column: 6 - 44
"...</a> </li><li class="hasChild" id="menuID_65398"><a hre..."

The first occurrence of ID “menuID_1114” was here.

Line: 218 Column: 1 - 30
"...l menu" > <li class="" id="menuID_1114"><a hre..."

The first occurrence of ID “menuID_180461” was here.

Line: 220 Column: 1 - 40
".../ul></li> <li class="hasChild" id="menuID_180461"><a hre..."

The first occurrence of ID “menuID_180462” was here.

Line: 222 Column: 1 - 32
"...l menu" > <li class="" id="menuID_180462"><a hre..."

The first occurrence of ID “menuID_180463” was here.

Line: 223 Column: 6 - 37
"...</a> </li><li class="" id="menuID_180463"><a hre..."

The first occurrence of ID “menuID_180411” was here.

Line: 225 Column: 1 - 40
".../ul></li> <li class="hasChild" id="menuID_180411"><a hre..."

The first occurrence of ID “menuID_1113” was here.

Line: 227 Column: 1 - 30
"...l menu" > <li class="" id="menuID_1113"><a hre..."

The first occurrence of ID “menuID_1331” was here.

Line: 228 Column: 6 - 35
"...</a> </li><li class="" id="menuID_1331"><a hre..."

The first occurrence of ID “menuID_82030” was here.

Line: 229 Column: 6 - 36
"...</a> </li><li class="" id="menuID_82030"><a hre..."

The first occurrence of ID “menuID_180388” was here.

Line: 230 Column: 6 - 37
"...</a> </li><li class="" id="menuID_180388"><a hre..."

The first occurrence of ID “menuID_160500” was here.

Line: 231 Column: 6 - 45
"...</a> </li><li class="hasChild" id="menuID_160500"><a hre..."

The first occurrence of ID “menuID_180412” was here.

Line: 233 Column: 6 - 37
"...u" > </ul><li class="" id="menuID_180412"><a hre..."

The first occurrence of ID “menuID_1119” was here.

Line: 234 Column: 6 - 35
"...</a> </li><li class="" id="menuID_1119"><a hre..."

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 355 Column: 7 - 235
"...8"> <img src="/Vorlagen/Webapp/Cache/CMS/10023/2018_NTcwOTQyOQ.JPG" border="0" width="180" alt="Naturschutz und Landschaftsplanung Ausgabe 3/2018" title="Naturschutz und Landschaftsplanung Ausgabe 3/2018" class="print_cover" /> ..." Line: 410 Column: 162 - 387
"...9D9D2128"><img src="/Vorlagen/Webapp/Cache/CMS/10023/jedicke-eckhard-gespiegelt_NTQ3MzgxNg-320x234.JPG" border="0" width="320" height="234" alt="Prof. Dr. Eckhard Jedicke" title="Prof. Dr. Eckhard Jedicke" class="float-center" /></a> ..." Line: 431 Column: 172 - 351
"...9D9D2128"><img src="/Vorlagen/Webapp/Cache/CMS/10023/claus-mayr_NTM5NDQzNg-320x213.JPG" border="0" width="320" height="213" alt="Claus Mayr" title="Claus Mayr" class="float-center" /></a> ..."

Empty heading.

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"...</h5> <h4 class="dachzeile"><a hre..." Line: 481 Column: 5 - 26
"...</h5> <h4 class="dachzeile"><a hre..." Line: 502 Column: 5 - 26
"...</h5> <h4 class="dachzeile"><a hre..."

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nul-online.de Ping

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nul-online.de TRACEROUTE

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priority - 19Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 180.9KiB (31% reduction).

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 8 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 3Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 26.2KiB (59% reduction).

priority - 1Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

priority - 0Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 1.7KiB (37% reduction).

priority - 0Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

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nul-online.de Desktop Resource Breakdown

nul-online.de HTML validation

Errors

Malformed byte sequence: “fc”.

Malformed byte sequence: “d6”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e4”.

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “ISO-8859-1” for attribute “charset” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Duplicate ID “mainmenu”.

Duplicate ID “menuID_50725”.

Duplicate ID “menuID_65398”.

Duplicate ID “menuID_1114”.

Duplicate ID “menuID_180461”.

Duplicate ID “menuID_180462”.

Duplicate ID “menuID_180463”.

Duplicate ID “menuID_180411”.

Duplicate ID “menuID_1113”.

Duplicate ID “menuID_1331”.

Duplicate ID “menuID_82030”.

Duplicate ID “menuID_180388”.

Duplicate ID “menuID_160500”.

Duplicate ID “menuID_180412”.

Duplicate ID “menuID_1119”.

Malformed byte sequence: “a9”.

Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&amp;”.)

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Malformed byte sequence: “84”.

Malformed byte sequence: “93”.

Malformed byte sequence: “96”.

Malformed byte sequence: “df”.

Attribute “noresize” not allowed on element “iframe” at this point.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

Text not allowed in element “iframe” in this context.

Stray doctype.

Stray start tag “html”.

Stray start tag “head”.

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Attribute “charset” not allowed on element “meta” at this point.

Element “meta” is missing one or more of the following attributes: “content”, “itemprop”, “property”.

A document must not include more than one “meta” element with a “charset” attribute.

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

End tag for “body” seen, but there were unclosed elements.

Unclosed element “section”.

Unclosed element “div”.

Cannot recover after last error. Any further errors will be ignored.

Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)