How to Exclude a Category from the Home Page
This is the most common customization requests for WordPress, “How do I prevent
posts from a certain category from displaying on my home page?!” As I have a categry about WordPress Powered Website “Showcase” and I want to omit from the post loop so that post related to this category will no display on my Home Page. But this post still will be appear in your content field. To eliminate from feed and from Hope page there is excellent WordPress plugin Stealth Publish.
The simplest way for including and excluding a Category post from Home page is to modify the query_posts function as follow:
Excluding a category from the home page
In query_posts( ‘&cat=-4′ ), a dash (or minus sign, “-“) appearing before a parameter value signifies exclusion. Thus, here I wanted to exclude a category number four, When this code is placed before my loop, posts in Showcase will not be displayed.
Showing Only One Category on the Home Page
The above solution was for my own problem, Perhaps instead of excluding a category, you want to show only one category. Than there is minor change in the query_posts, All you have to replace the dash (or minus sign, “-“) as follows:
Be careful, and proofread your Loops!
If you are not familiar with coding than the best option is to use WordPress Plugins for that purpose.
WordPress Plugins for Excluding Category
1. Stealth Publish
Prevent specified posts from being featured on the front page or in feeds. Beneficial in instances where you want to publish new content without any fanfare and just want the post added to archive and category pages and its own permalink page.
2. Simply Exclude
Provides an interface to selectively exclude/include categories, tags, authors and pages from the 4 actions used by WordPress.
3. Advanced Category Excluder
This plugin was born because there was a no other real alternative to enable content sparationd and some CMS like functionalities in WordPress. The main goal was, to enhance WordPress’s functionalities, to hide some unwanted categories, from defined parts of the blog.
4. Ultimate Category Excluder
This is a WordPress plugin that allows you to quickly and easily exclude categories from your front page, archives, and feeds. Just select which categories you want to be excluded, and UCE does all the work for you!
Other useful resources and Reference: