If your site is a penalized site…

First, take out anything that could be against Google’s Guidelines which is explained in Webmaster Guidelines at http://www.google.com/webmasters/guidelines.html. Once you restructure your site, then submit a reinclusion request from the Webmaster Console, requesting for a review.

Establish your site’s indexed pages.

The top most important factor is to index keyword rich pages with Google. Go to Google search box and type site:yourdomain.com and check out what pages are indexed. Check If at all you are missing any important pages being indexed, make sure that particular page has good text links which are suppose to be indexed. Most importantly, a good idea is to have a text based sitemap which shows all the lists of your webpages. And also make sure you have an XML sitemap.

Include one or more header tags.

Google Search Engine gives a lot of significance to keywords established in heading tags. Include header tags, and point your keyword phrase toward the beginning of the tag, if possible. Nonetheless dont forget to include <H1> tag but dont include more than once.

ALT attributes (Image and Input Tags).

Google indexes the ALT text content, but in terms of SEO, the ALT attribute has less effectiveness. Google Advises not to use ALT attribute for SEO purposes, but to essentially depict the image relevance. If keyword happens to be the natural keyword phrase then go ahead in using it. Any which way Google gives less prominance to ALT tag. Above all the intention of ALt text is to illustrate the image relevance. Please note Google might sometimes pick up the keyphrases of an ALT text (mostly the first image on the webpage) and shows it as a explaination of the webpage in the search results.

Title Tag optimization – Case Sensitive

To get most of from search engines include your important keyword in your title tag, possibly at the tag beginning. But never use STOP words on Title, for example and, on, in, etc.,

Webpage’s Age is an important factor

Please note that the new web pages would take time to get valid ranking and also note “The older the page, the better accessibility in search engines