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Message Summary

contains errors

CSE HTML Validator Enterprise generated 26 error messages and 23 warning messages when checking this web page. In fact, this web page generated so many errors that HTML Validator terminated the check before it went through the entire document. These problems could damage this web page's search engine rankings as well as cause viewing problems for visitors. It is highly recommended that any problems be corrected. Why validate?

URL: <http://www.kavo.pl/PL/Aktualno%c5%9bci.aspx>, Charset: utf-8, Local Time: 10:33:25 AM, Date: Tuesday, May 24, 2016

Messages (errors first)

TypeLineMessage
Error34The "title" element has been used 2 times. HTML and XHTML documents must not have more than one "title" element per document.

</script><title>
 

Error196The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

<div class="containerSpecial"><div class="linkContainer" onClick="javascript:GoToContLink();">&nbsp;</div><div id="CONTAINER5" class="contContent" onClick="openWin('http://go.kavo.com/pl/koncowki_stomatologiczne?u...
 

Error196The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

... <div class="containerSpecial"><div class="linkContainer" onClick="javascript:GoToContLink();">&nbsp;</div><div id="CONTAINER5" class="contContent" onClick="openWin('http://go.kavo.com/pl/koncowki_stomatologiczne?utm_source=e-blast&utm_medium=KaVo&utm_campaign=baner')" style="cursor:pointer;"><img src='/...
 

Error196The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

...v class="C"></div><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div id="CONTAINER4" class="contContent" onClick="goTo('http://www.kavo.pl/PL/Promocje.aspx')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/Promocja Maj Aktualności1.png' border...
 

Error196The attribute value "rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0" for the "id" attribute is not in single or double quotation marks when it must be. Attribute values must always be quoted in XHTML/XML based documents.

... src='/img_cpm/507_KaVoPolska/images/Promocja Maj Aktualności1.png' border='0' alt="Aktualności Promocja Maj Aktualności1 - KaVo Dental" /><map id=rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0 name=rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0><strong><em><br></em></strong>
 

Error196The attribute value "rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0" for the "name" attribute is not in single or double quotation marks when it must be. Attribute values must always be quoted in XHTML/XML based documents.

...ng' border='0' alt="Aktualności Promocja Maj Aktualności1 - KaVo Dental" /><map id=rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0 name=rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0><strong><em><br></em></strong>
 

Error198The "alt" attribute must be used when the "href" attribute is used. The "alt" attribute specifies the text of the hyperlink. It may be left blank (alt="") if there is another "area" element in the same image map that points to the same resource and has a non-blank "alt" attribute.

<p>&nbsp;</p><area href="http://" shape=CIRCLE coords=20,20,10></map>
 

Error198In XHTML, enumerated attribute values are case-sensitive and must be lowercase. Instead of "CIRCLE", use "circle". This is in contrast to HTML, where values are normally not case-sensitive.

<p>&nbsp;</p><area href="http://" shape=CIRCLE coords=20,20,10></map>
 

Error198The attribute value "CIRCLE" for the "shape" attribute is not in single or double quotation marks when it must be. Attribute values must always be quoted in XHTML/XML based documents.

<p>&nbsp;</p><area href="http://" shape=CIRCLE coords=20,20,10></map>
 

Error198The attribute value "20,20,10" for the "coords" attribute is not in single or double quotation marks when it must be. Attribute values must always be quoted in XHTML/XML based documents.

<p>&nbsp;</p><area href="http://" shape=CIRCLE coords=20,20,10></map>
 

Error199The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

...v class="C"></div><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div id="CONTAINER3" class="contContent" onClick="openWin('http://go.kavo.com/pl/10-prostych-zasad-diagnostyki-implantologicznejgxdp800-whitepaper?hs_preview=CXtZTtGq-3749261912')" style="cursor:poi...
 

Error199The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

...v class="C"></div><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div id="CONTAINER2" class="contContent" onClick="goTo('http://www.kavo.pl/PL/Edukacja/Warsztaty-i-szkolenia-stomatologiczne.aspx')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/...
 

Error199The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

...v class="C"></div><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div id="CONTAINER1" class="contContent" onClick="openWin('http://go.kavo.com/pl/unit_poradyeksperta?utm_source=newsletter&utm_medium=PortalDentystyczny&utm_campaign=TopTips')" style="cursor:pointer...
 

Error199"&utm" is an invalid character reference. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...class="C"></div><div class="C"></div></div><div class="C"></div><div id="CONTLINK5" >http://go.kavo.com/pl/koncowki_stomatologiczne?utm_source=e-blast&utm_medium=KaVo&utm_campaign=baner</div><div id="CONTLINK4" >http://www.kavo.pl/PL/Promocje.aspx</div><div id="CONTLINK3" >http://go.kavo.com/pl/10-prost...
 

Error199"&utm" is an invalid character reference. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...<div class="C"></div></div><div class="C"></div><div id="CONTLINK5" >http://go.kavo.com/pl/koncowki_stomatologiczne?utm_source=e-blast&utm_medium=KaVo&utm_campaign=baner</div><div id="CONTLINK4" >http://www.kavo.pl/PL/Promocje.aspx</div><div id="CONTLINK3" >http://go.kavo.com/pl/10-prostych-zasad-diagno...
 

Error199"&utm" is an invalid character reference. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...vo.pl/PL/Edukacja/Warsztaty-i-szkolenia-stomatologiczne.aspx</div><div id="CONTLINK1" >http://go.kavo.com/pl/unit_poradyeksperta?utm_source=newsletter&utm_medium=PortalDentystyczny&utm_campaign=TopTips</div></div>
 

Error199"&utm" is an invalid character reference. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...szkolenia-stomatologiczne.aspx</div><div id="CONTLINK1" >http://go.kavo.com/pl/unit_poradyeksperta?utm_source=newsletter&utm_medium=PortalDentystyczny&utm_campaign=TopTips</div></div>
 

Error201The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

...my wszystkim laureatom!</strong><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div class="BILDCB CBLine" onClick="openWin('http://go.kavo.com/pl/promocja-zyskaj-podwojnie')" style="cursor:pointer"><a href="http://go.kavo.com/pl/promocja-zyskaj-podwojnie" onclick...
 

Error201This start tag cannot be used here because the end tag for "li" must be used first. A previous "li" start tag (in line 204) does not have an end tag or the end tag (</li>) is in the wrong place. The missing or omitted "</li>" end tag should probably be placed right before this start tag.

...lności Promocja Maj Rejestracja - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div></a></div><div class="C"></div><div class="CBLine"><h2>Akademia KaVo zaprasza</h2><p><strong>Zapraszamy do udziału w szkoleniach organizowanych przez firmę KaVo we współpracy z partnerami.<br...
 

Error201This start tag cannot be used here because the end tag for "li" must be used first. A previous "li" start tag (in line 205) does not have an end tag or the end tag (</li>) is in the wrong place. The missing or omitted "</li>" end tag should probably be placed right before this start tag.

...lności Promocja Maj Rejestracja - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div></a></div><div class="C"></div><div class="CBLine"><h2>Akademia KaVo zaprasza</h2><p><strong>Zapraszamy do udziału w szkoleniach organizowanych przez firmę KaVo we współpracy z partnerami.<br...
 

Error201This start tag cannot be used here because the end tag for "li" must be used first. A previous "li" start tag (in line 203) does not have an end tag or the end tag (</li>) is in the wrong place. The missing or omitted "</li>" end tag should probably be placed right before this start tag.

...lności Promocja Maj Rejestracja - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div></a></div><div class="C"></div><div class="CBLine"><h2>Akademia KaVo zaprasza</h2><p><strong>Zapraszamy do udziału w szkoleniach organizowanych przez firmę KaVo we współpracy z partnerami.<br...
 

Error201The end tag for "strong" (started in line 201, column 1578) should appear before the end tag for "p" or this end tag should be deleted or moved. This is a nesting error.

...<strong>Zapraszamy do udziału w szkoleniach organizowanych przez firmę KaVo we współpracy z partnerami.<br>Tematyka szkoleń obejmuje zagadnienia:<br></p>
 

Error207The end tag for "strong" was found, but all "strong" start tags already have end tags (or there is a nesting error). The next expected end tag is </br>, which was started in line 207, column 110.

<p><a href="http://www.kavo.pl/PL/Edukacja/Warsztaty-i-szkolenia-stomatologiczne.aspx">Sprawdź szczegóły</a><br></strong></p><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div class="BILDCB CBLine" onClick="goTo('http://www.k...
 

Error207The attribute name "onClick" does not match (with case-sensitivity) "onclick". Should this be changed to "onclick"? NOTE: This appears to be an XHTML document and XHTML is case-sensitive.

...ź szczegóły</a><br></strong></p><div class="C"></div><div class="C"></div><div class="C"></div></div><div class="C"></div><div class="BILDCB CBLine" onClick="goTo('http://www.kavo.pl/PL/KaVo-VIP.aspx')" style="cursor:pointer"><a href="http://www.kavo.pl/PL/KaVo-VIP.aspx" onclick="return false;" ><h2>KaVo ...
 

Error207This "link" element is not in the "head" section (which it must be in if the "itemprop" attribute is not used). Please check for missing or misplaced "head" elements or move this "link" element into the "head" section. The attributes will not be checked until this is corrected.

...r><div class="C"></div><div class="C"></div> <script type="text/javascript"> lb_path = "/lightbox/"; lb_opacity = "0.7"; lb_resize = "6"; </script><link rel="stylesheet" type="text/css" media="screen" href="/css/lightbox.css" /><script type="text/javascript" src="/lightbox/js/prototype.js" ></script><...
 

Error208Terminating validation due to too many errors. Please correct the errors and recheck the document. Checking is stopped after 25 errors (this can be changed in the 'Message Output' page of the Validator Engine Options).

...produkty/diagnocam_dniotwarte/20150915_105410.jpg&tw=152&th=114" alt="Aktualności 20150915_105410 - KaVo Dental" width="152" height="114" /></a></p>
 

Warning This appears to be an XHTML 1.0 document but was served with the Internet media type (MIME type) "text/html" instead of "application/xhtml+xml". "text/html" is technically allowed only for XHTML 1.0 (not for XHTML 1.1+) documents that follow the backward compatibility mode guidelines. Visit https://www.w3.org/TR/xhtml1/#guidelines for more information.
Warning3The natural primary language is not specified. It is highly recommended that the "lang" and/or "xml:lang" (for XHTML) attributes be used with the "html" element to specify the primary language. For example, add the attribute lang="en" for English or lang="fr" for French. Specifying the language assists braille translation software, speech synthesizers, translation software, and has other benefits.

<html xmlns="http://www.w3.org/1999/xhtml" >
 

Warning40An "id" attribute value should not begin with an underscore character, even though this may work in most browsers. Disable this message if you want to allow these values to begin with underscore characters. NOTE: HTML5 allows IDs to begin with an underscore character. Disabling this message may be helpful for ASP.NET generated pages which often incorrectly start these values with underscores.

<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPZwUPOGQzODNmOTgxZGI5MGYwb4T+dYvpuTyTc+jQGF9m/oRzgzw=" />
 

Warning46An "id" attribute value should not begin with an underscore character, even though this may work in most browsers. Disable this message if you want to allow these values to begin with underscore characters. NOTE: HTML5 allows IDs to begin with an underscore character. Disabling this message may be helpful for ASP.NET generated pages which often incorrectly start these values with underscores.

<input type="hidden" name="__VIEWSTATEGENERATOR" id="__VIEWSTATEGENERATOR" value="CA0B0334" />
 

Warning47An "id" attribute value should not begin with an underscore character, even though this may work in most browsers. Disable this message if you want to allow these values to begin with underscore characters. NOTE: HTML5 allows IDs to begin with an underscore character. Disabling this message may be helpful for ASP.NET generated pages which often incorrectly start these values with underscores.

<input type="hidden" name="__EVENTVALIDATION" id="__EVENTVALIDATION" value="/wEW4QEC5J39+gEC4M7hgw0C9s7FywgC883tsQkCtaeakgoCzKeakgoC7NWWxg4C4L/t7ggC29n4yAYCqquUhgsCzrqYtwcCpoSehgECsOquiAEC8LS39Q8CrPGWggMCtvOU7gUCutanz...
 

Warning147The alt text is the same as the title text ("KaVo Dental"). The alt text and title text serve different functions and should not be the same. The alt text serves as alternative content when the image cannot be displayed. The title text is used to provide additional information and is often displayed as a tool-tip. This message is displayed up to 10 times.

<div id="Logo"><a href="http://www.kavo.pl/PL/Aktualności.aspx"><img src="/images2/507/allg/logo.gif" alt="KaVo Dental" title="KaVo Dental" width="150" height="72" /></a></div>
 

Warning161Found at least one unescaped less-than character ('<') in an attribute value in an XHTML type document. In XHTML (but not in HTML), less-than characters in attribute values should be escaped with "&lt;" or "&#x3c;". However, no real-world browser or user agent is currently known to have a problem with unescaped less-than characters in attribute values.

<div id='func2Lvl'><a href="#" onclick="showM('507','pl', 'Printsite.aspx','KaVo Polska<br />Biuro:<br />Al. Jana Pawła II 27<br />00-867 Warszawa<br />Tel: 22 395 54 60<br />Fax: 22 395 54 61<br /><a href=mailto:biuro@kavo.com;>biuro@kav...
 

Warning161[64] "&navid" is an invalid character reference in the value for the "href" attribute. This may be because the '&' character was not escaped as "&amp;". This is a common error that should be fixed (even though it still works most of the time). Ampersands should be escaped with "&amp;" even when specifying script variables. Web browsers will convert "&amp;" back to '&'. Example: href="script.php?var1=value1&var2=value2" should be href="script.php?var1=value1&amp;var2=value2" (note that '&' in this example was escaped with "&amp;").

.../>Tel: +48 42 675 75 36<br />Fax: +48 42 675 75 35','Wydrukuj stronę','540','600')" >Wydrukuj stronę</a> | <a href="/Default.aspx?siteid=SendReference&navid=0&oid=507&lid=pl">Prześlij do znajomego</a></div>
 

Warning161[64] "&oid" is an invalid character reference in the value for the "href" attribute. This may be because the '&' character was not escaped as "&amp;". This is a common error that should be fixed (even though it still works most of the time). Ampersands should be escaped with "&amp;" even when specifying script variables. Web browsers will convert "&amp;" back to '&'. Example: href="script.php?var1=value1&var2=value2" should be href="script.php?var1=value1&amp;var2=value2" (note that '&' in this example was escaped with "&amp;").

...48 42 675 75 36<br />Fax: +48 42 675 75 35','Wydrukuj stronę','540','600')" >Wydrukuj stronę</a> | <a href="/Default.aspx?siteid=SendReference&navid=0&oid=507&lid=pl">Prześlij do znajomego</a></div>
 

Warning161[64] "&lid" is an invalid character reference in the value for the "href" attribute. This may be because the '&' character was not escaped as "&amp;". This is a common error that should be fixed (even though it still works most of the time). Ampersands should be escaped with "&amp;" even when specifying script variables. Web browsers will convert "&amp;" back to '&'. Example: href="script.php?var1=value1&var2=value2" should be href="script.php?var1=value1&amp;var2=value2" (note that '&' in this example was escaped with "&amp;").

...5 75 36<br />Fax: +48 42 675 75 35','Wydrukuj stronę','540','600')" >Wydrukuj stronę</a> | <a href="/Default.aspx?siteid=SendReference&navid=0&oid=507&lid=pl">Prześlij do znajomego</a></div>
 

Warning196[64] "&utm" is an invalid character reference in the value for the "onClick" attribute. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...ContLink();">&nbsp;</div><div id="CONTAINER5" class="contContent" onClick="openWin('http://go.kavo.com/pl/koncowki_stomatologiczne?utm_source=e-blast&utm_medium=KaVo&utm_campaign=baner')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/baner instrumenty.jpg' border='0' alt="Aktualnoś...
 

Warning196[64] "&utm" is an invalid character reference in the value for the "onClick" attribute. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...sp;</div><div id="CONTAINER5" class="contContent" onClick="openWin('http://go.kavo.com/pl/koncowki_stomatologiczne?utm_source=e-blast&utm_medium=KaVo&utm_campaign=baner')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/baner instrumenty.jpg' border='0' alt="Aktualności baner instrum...
 

Warning196Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in folder names and filenames.

...k="openWin('http://go.kavo.com/pl/koncowki_stomatologiczne?utm_source=e-blast&utm_medium=KaVo&utm_campaign=baner')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/baner instrumenty.jpg' border='0' alt="Aktualności baner instrumenty - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div><div class="C"></di...
 

Warning196Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in folder names and filenames.

...div class="C"></div><div id="CONTAINER4" class="contContent" onClick="goTo('http://www.kavo.pl/PL/Promocje.aspx')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/Promocja Maj Aktualności1.png' border='0' alt="Aktualności Promocja Maj Aktualności1 - KaVo Dental" /><map id=rade_img_map_ctl00_ctl00_ContentPlaceHolder1_ctl04_cedit_0 name=ra...
 

Warning198Block-level content was used in the "map" element as well as the "area" element. When block-level content is mixed with the "area" element, HTML 4.01 and XHTML compliant browsers will ignore the "area" tags.

<p>&nbsp;</p><area href="http://" shape=CIRCLE coords=20,20,10></map>
 

Warning199Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in folder names and filenames.

.../go.kavo.com/pl/10-prostych-zasad-diagnostyki-implantologicznejgxdp800-whitepaper?hs_preview=CXtZTtGq-3749261912')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/banery 03Gendex_10 zasad.png' border='0' alt="Aktualności banery 03Gendex_10 zasad - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div><div class="...
 

Warning199Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in folder names and filenames.

...2" class="contContent" onClick="goTo('http://www.kavo.pl/PL/Edukacja/Warsztaty-i-szkolenia-stomatologiczne.aspx')" style="cursor:pointer;"><img src='/img_cpm/507_KaVoPolska/images/Aktuelles/Warsztaty_aktualności 6_10.png' border='0' alt="Aktualności Warsztaty_aktualności 6_10 - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div><div class...
 

Warning199[64] "&utm" is an invalid character reference in the value for the "onClick" attribute. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...</div><div class="C"></div><div id="CONTAINER1" class="contContent" onClick="openWin('http://go.kavo.com/pl/unit_poradyeksperta?utm_source=newsletter&utm_medium=PortalDentystyczny&utm_campaign=TopTips')" style="cursor:pointer;z-index:10;"><img src='/img_cpm/507_KaVoPolska/images/baner aktualności 03uni...
 

Warning199[64] "&utm" is an invalid character reference in the value for the "onClick" attribute. This may be because the '&' character was not escaped as "&amp;". To use a literal ampersand it must be encoded as "&amp;" (even in URLs) because '&' is an escape character in HTML/XHTML. For example, "Recreation &amp; Sports" should be used to display "Recreation & Sports".

...v id="CONTAINER1" class="contContent" onClick="openWin('http://go.kavo.com/pl/unit_poradyeksperta?utm_source=newsletter&utm_medium=PortalDentystyczny&utm_campaign=TopTips')" style="cursor:pointer;z-index:10;"><img src='/img_cpm/507_KaVoPolska/images/baner aktualności 03unit poradnik.png' border='0' a...
 

Warning199Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in folder names and filenames.

...o.com/pl/unit_poradyeksperta?utm_source=newsletter&utm_medium=PortalDentystyczny&utm_campaign=TopTips')" style="cursor:pointer;z-index:10;"><img src='/img_cpm/507_KaVoPolska/images/baner aktualności 03unit poradnik.png' border='0' alt="Aktualności baner aktualności 03unit poradnik - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div><di...
 

Warning201Using space characters in URLs may cause problems. If spaces must be used in URLs, then they should be encoded as "%20" (without the quotes). However, avoid spaces in URLs whenever possible and consider using the underscore character (_) instead of space characters in folder names and filenames.

...wojnie')" style="cursor:pointer"><a href="http://go.kavo.com/pl/promocja-zyskaj-podwojnie" onclick="return false;" ><h2>Odbierz GRATIS!</h2><img src='/img_cpm/507_KaVoPolska/images/Promocja Maj Rejestracja.png' border='0' alt="Aktualności Promocja Maj Rejestracja - KaVo Dental" /><div class="C"></div><div class="C"></div><div class="C"></div></a></div><d...
 

Warning207This URL ends in '?'. Is there a missing query string? Possible solutions: 1) remove '?', 2) supply a query string after '?', or 3) percent-encode the '?' character as %3F.

...się dużą popularnością a gabinety odwiedziło wielu nowych pacjentów, zaciekawionych badaniem próchnicy najnowszym urządzeniem diagnostycznym <a href="http://diagnocam.de/PL/Informacje-o-produkcie.aspx?/?">DIAGNOcam</a>. Zapraszamy Państwa do obejrzenia relacji oraz współpracy i powtórzenia sukcesu z Bełchatowa czy Białegostoku! <br><br><div class="C">...
 

Warning208The "rel" value specifies the following unrecognized or invalid link type: "lightbox[gallery_5]". Visit http://www.w3.org/TR/html5/links.html#linkTypes and http://microformats.org/wiki/existing-rel-values#HTML5_link_type_extensions for more information or to register a new extension. This message is displayed up to 3 times.

<p class='picThumb' ><a href="/img_cpm/507_KaVoPolska/images/produkty/diagnocam_dniotwarte/20150915_105410.jpg" id="galeriebild_0" rel="lightbox[gallery_5]" alt="Aktualności 20150915_105410 - KaVo Dental" ><span class="lightbox_lupe"></span><img src="/functions/MakeThumbnail.aspx?thumb=/img_cpm/507_KaV...
 

NOT SHOWN: CSE HTML Validator Online (OnlineWebCheck.com) does not show: bad & broken links, SEO (search engine optimization) messages, mobile messages, misspelled words, accessibility messages, tip messages, JavaScript lint messages, and messages other than errors and warnings.

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