Errors:
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Bad value “” for attribute “id” on element “input”: An ID must not be the empty string.
Stray end tag “form”.
Bad value “25px” for attribute “width” on element “img”: Expected a digit but saw “p” instead.
Bad value “25px” for attribute “height” on element “img”: Expected a digit but saw “p” instead.
No space between attributes.
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Attribute “"” not allowed on element “div” at this point.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=month
&FILTER_ID=03.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad character “<” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Bad character “
” after “<”. Probable cause: Unescaped “<”. Try escaping it as “<”.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=month
&FILTER_ID=05.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=26.03.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=03.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=04.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=06.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=07.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=12.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=17.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=18.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=19.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=24.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILTER_CODE=day
&FILTER_ID=25.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Bad value “http://www.it-weekly.ru/events/?FILTER_NAME=calendar
&FILER_CODE=day
&FILTER_ID=27.04.2018” for attribute “href” on element “a”: Tab, new line or carriage return found.
Stray start tag “script”.
Cannot recover after last error. Any further errors will be ignored.
Warnings:
Empty heading.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “"” is not serializable as XML 1.0.
The “form” role is unnecessary for element “form”.