Do Career portals web sites really fulfill recruiters and job seekers need?

Job portals and career sites are considered as a very effective means, used by employers, to outline a job vacancy in their company, along with a summary of the various job responsibilities and tasks, on the portals, to attract interested applicants. These sites and online portals serve as the bridge of communication between a company and the applicants, and facilitate in the process of bringing both parties into contact to fulfill their needs and requirements. 

Some Benefits of Career portals;

1. Reduced time-to-hire
2. Reduced cost-of-hire
3. Wider reach for employers
4. Wider reach for candidates
5. State-of-the-art filtration tools
6. Branding opportunity for employers
7. Sophisticated management tools
8. Allows for confidentiality
9. Allows for pro-activity
10. Allows for database build-up

Nice Question.I totally agree that Career Portals and Job sites fulfill both recruiters and job seekers need.I mean the options and the chances to get a job is very high when compared to conventional methods.