"View All" Link on Paginated Archives
Adds a "View all 42 posts on one page" link under paginated category, tag and other archives that are not too large, for readers who prefer to scroll or search the page.
Snippet Library
Archives snippets for WordPress
Snippets for category, tag, author and date archives: change titles and descriptions, the number of posts per page, ordering and which post types appear. For sites that rely on well-organized archive pages for readers and search engines.