Singe Post and Page type for WordPress.

is_singular() || // all pages, posts, CPT single pages
is_archive() || // category, tag, CPT archive, date archive
is_404() || // 404 page
is_home() || // blog page
is_search() || // search page
is_author() || // author archive
is_front_page() || // homepage
is_page() || // pages (included in is_singular, redundant)
is_category() // category page (included in is_archive, redundant)