Warnings
The “navigation” role is unnecessary for element “nav”.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Errors
Element “div” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
The “font” element is obsolete. Use CSS instead.
The element “input” must not appear as a descendant of the “a” element.
Bad value “/books.php?mark=Авиация&model=Вооружение авиации” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Двигателя и оборудование самолетов” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты 6М” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты B-1 Lancer” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты B-24 Liberator” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты B-25 Mitchell” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты B-26 Marauder” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Bleriot” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Boeing” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Canadair Regional Jet” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Cessna” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Dewoitine” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты F-14 Tomcat” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты F-4 Phantom” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты F-5 Freedom Fighter” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Focke-Wulf” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Jaguar” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Messerschmitt” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Saab 2000” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Spitfire” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Studebaker” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Авиатика-МАИ-890” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Ан” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Аэрокобра” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Бе” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Вильга” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты И-16” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Ил” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Л-29” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Л-410” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Ла” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты ЛаГГ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Ли” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты М-101Т Гжель” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты МиГ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Пе” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты По” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Р-5” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Су” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Т-4” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты тип 69” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Ту” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты У-2” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты УТ-2” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Ш-2” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Авиация&model=Самолеты Як” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили Studebaker” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили Willys” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили БелАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили ГАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили ЗИМ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили ЗИС” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили Интернационал” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили КамАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили КрАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили ЛуАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили МАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили УАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили Урал” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобили ЯАЗ” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Автомобильные тягачи и транспортеры” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Автомобили&model=Разная литература” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Артиллерия&model=Артиллерийское вооружение” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Артиллерия&model=Прицепная артиллерия” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Артиллерия&model=Противотанковая артиллерия” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Артиллерия&model=Ракетные комплексы” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Артиллерия&model=Реактивная артиллерия” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Артиллерия&model=Самоходная артиллерия” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Бронетехника&model=Боевые машины” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Бронетехника&model=Вооружение бронетехники” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Бронетехника&model=Оборудование бронетехники” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Оружие&model=Автоматы, пулеметы” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=ПВО&model=Зенитные ракетные комплексы” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=ПВО&model=Зенитные установки” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Радио&model=Радиолокационные станции” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Авиация” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Военная техника” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Военное дело” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Гуманитарная подготовка” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Курсы” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Моделизм” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Наставления по стрелковому делу” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Оборудование” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Оружие и вооружение” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Приборы и оборудование” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Радио” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Ракетные войска и артиллерия” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Руководства” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Справочники” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Уставы” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Учебники сержанта” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Bad value “/books.php?mark=Учебная литература&model=Флот” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Stray end tag “div”.