I 15 plugins for Wordpress that will NOT be able to give

well, we installed our brand WordPress 2.x or 3.x, and we are ready to write our first post.
We are confident, however,, that this is sufficient for the post are optimized optical seo, that spam will be blocked, you will be able to tag posts with faciltà?
For these and other needs come in handy plug-in, Add-ins for WordPress or other platform, interesting that add additional features.
Let's see what plug-ins we can not give up:
- Add to Any: Share/Bookmark/Email Button
This plug-in adds, at the end of each post, a rectangular button, that will allow a player, if interested, to share that post in one of the social networks. Simply choose the service to use, and the plug-in will do the rest. - Akismet Antispam Plugin
By registering on WordPress.com and obtaining an API Key, we will be able to automatically detect the most obvious spam comments, in a manner that does not go to put in the moderation queue, or appear directly in posts. Very useful nowadays! - All in One Adsense and YPN
Manage your Google Adsense ads with one click, I have already spoken of this plug-in this article. - All in one seo pack
Perhaps the most famous, automatically optimizes key in SEO posts, inserting tags in the HEAD of the page. - Broken Link Checker
Eventually, Some links provided in our posts end up no longer working, and this is not a pretty sight, in the eyes of Google spiders. Read this article I wrote some time ago, on this plugin. - FeedBurner FeedSmith
If you are registered with Feedburner to manage your RSS feeds, This plug-in will ensure that all links to your Feedburner feed to pass. - Transposh
Do you want to capture visitors from every corner of the globe? Taking advantage of the service Google translation, This plugin will allow you to translate (for good), your articles in many languages. - Google XML Sitemaps
Another MUST HAVE, used to notify immediately the Google crawler that in your blog has changed something and, thanks to Sitemap, the contents will be automatically updated and indexed. - SEO Friendly Images
Save time, and automatically add the ALT tag and title your images, to optimize your SERP. - Simple Tags
When you have written a number of posts and you will have them tagged correctly, This plug-in will see if there are tags that contain the words written in the post. If so, will prompt you to use those tags to the post. I assure you that it is very useful. - Smart Youtube
Add a single click in your post all the YouTube videos you want. - Subscribe To Comments
Very useful for creating a real community, as it will alert you by email everyone who has written a comment in a post, but on occasions there were responses. - WordPress Gravatars
It is a growing phenomenon, I'm talking about Gravatars. By registering on gravatar.com, you can upload your avatar so that, using their nicknames on any blog, if it supports Gravatar, it will automatically show your avatar. - WP-Cumulus
Changing the look and feel of the list of tags, using a pleasant “cloud” in 3d, that collects all tags. You can notice it, in this blog, in the left sidebar.
And you, which plugins you feel necessary? There are others to be added?
