Beside to use offline press release announcing your company news, you also can submit your press release online. Online press release not just can dramatically increase your sales, expose your company to the masses, and greatly enhance the image of your business or products, and also can help in Search Engine Optimization.

If properly optimized, press releases add the potential for increased traffic to your site from clients searching for your product and business, provide improved rankings overall and in News search engines, and increase your chances of additional press.

Here the top Online Press Release website:

PRFree.com
Free Press Release Distribution and Writing Service

NewsBlaster
NewsBlaster.com allows users to post press releases that are available to the general public and members of the media.

PressReleasePoint
PressReleasePoint is a public relations agency specializing in press release writing and distribution. PressReleasePoint offers both free and paid distribution service.

i-Newswire
i-newswire.com is a free press release distribution center. Unlike many other press release distribution services, i-newswire.com is not accepting Press Release Spam (PR Spam).

Free Press Release
Free-Press-Release.com, a press release distribution service to help small, medium or large sized enterprises optimize their online marketing strategies. FPR is a matching service — bringing authors, publishers and social media together. The Writers and Authors are able to post articles to be featured within the site.

PRLog
PRLog is a free online press release service. You can submit your press releases at no charge. All of the services are free.

PR9.NET
PR9.NET – Press Release Submission, Distribution Service

24-7 Press Release
24-7 Press Release is an effective press release distribution service offering an affordable alternative to expensive PR and press release promotion services.

MediaSyndicate
MediaSyndicate is a free press release and newswire posting website that enables small and medium sized businesses to get information out to the general public in a fast and efficient manner.