Word press is used by millions of users around the world and it is known for its flexibility and ease of use. A guy/girl who is not aware of internet can even easily work on word press and integrate it for various uses. It is not possible to get all features in the in-built word press package and it is not fair to expect also so a Plug-in can help a lot in this case. There are many plug-in available which can be efficiently used in the blogs. Some of them are really essential also.

You can find some of the top and most downloaded plug-ins list here,

1. All in SEO Pack:

This helps in building up of links inside our blog itself. This automatically optimizes the blogs for search engines for the keywords provided at the time of post.
This can be downloaded from: Here

2. Google Site Map:

This is a much needed plug-in as this helps in creating a map of the blog. This helps the crawler to crawl in your site and indexes the blog pretty easily.
This can be downloaded from: Here

3. Next Gen Gallery:

Next Gen Gallery is the most downloaded wordpress plug-in for image slideshows. This comes with a flash slideshow option. Upload the images and relax.
This can be downloaded from: Here

4. WordPress Stats:
Instead of giving more pressure to the server and believing the awstats it is possible to get the stats through a wp plug-in which is wordpress.com stats.
This can be downloaded from: Here

5. WP Super Cache:
It is a caching engine for wordpress which acts at a lightening rate and produces HTML files which are static.

This can be downloaded from: Here

6. Akismet:
It is a wonderful plug-in to prevent the spam commenter in the blog. It is as efficient as having captcha in your comment box and even it works 1% more than that. The best spam fighter.
This can be downloaded from: Here

7. Automatic Upgrade:
This allows the wordpress to upgrade to the new version automatically instead of asking the admin each and every time.
This can be downloaded from: Here

8. Thank Me Later:
This is a wonderful plugin which sends an email to all the first-time visitors of the blog. That e-mail can be configured by the admin and it can be like reminding like the RSS feed or blog subscription etc.
This can be downloaded from: Here

9. Wp-Pagenavi:
This plug-in gives a very good button which helps in moving around the posts so blog can be made more appealing using this rather than the old “older/newer posts”
This can be downloaded from: Here

10. Contact Form 7:
The name tells all. This helps the user to fill in all the details to contact you and this can be integrated with the blog pretty easily as well.
This can be downloaded from: Here

11. SEO Slugs:
This is a much needed one as this removes all the unwanted words from the permalink of the posts. So that the web addresses may not look long and it also annoys the users.
This can be downloaded from: Here

12. Sociable:
Without social bookmarking sites it is not really possible to attract new users. You can use this excellent plug-in to add links to the bookmarking sites from your posts etc.
This can be downloaded from: Here

13. Related Posts:
One best way to attract users is to give the more and more inputs to them. This plug-in collects all related posts and gives the users more and more stuffs to read and spend time.
This can be downloaded from: Here

14. DB Backup:
Another most needed plug-in is this which takes the backup of the whole blog and sends an e-mail at regular intervals. This can be set by the admin
This can be downloaded from: Here

15. Subscribe to comments:
This helps the readers to subscribe to their comments. If they get any response to their comments this sends an e-mail automatically to them.
This can be downloaded from: Here

If you know any other most needed plug-ins please feel free to post in comments.