Follow the following steps to increase index: 1. Update content regularly (and ping Google after each update). Content is the KING, Search Engines spiders Love Content so try to create unique content often and regularly (3 times a week if possible) 2. Ensure that the proper operation: See statistics Google Webmaster tools for the error page. 3. Reduce page load time: Search spiders have a limited period allocated to cache/index the page so its better to use external javascript files, compressed images etc. 4. Check Duplicate Content: Make sure that there is no duplicate content on the Website through a link URL. The idea here is if search engine spiders will cache duplicate content then it certainly will have less time to crawl other pages of the website. 5. More & More backlinks: Strong backlinks makes sure that your page is caching regularly. 6. Adjust frequency report of the search in Google Webmaster Tools - Tools for Google Web management 7. Add XML Sitemap: Sitemap can also be called as a Invitation Card to Search Engine Spiders in SEO language. Theoretically Sitemap helps the search to quickly identify the structure, content and website from which it may well the entire website. 8. Ensure that Web servers return HTTP Header Status exactly. And you have created a 404 page error in individual cases not find the file or folder on the Website. Http Header for the return is precisely to help the search to understand what is going on and that is to explain clearly the best to search in case of error 9. Use Keywords within Title and Meta tags (eg keywords tags or description tags) for each unique URL of the Website. 10. Tracking frequency of Googlebot search to determine the interest in it and the problems occur (if have) 11. Image Alt Tags: Search engine spiders are actually blind, they can’t see the Images in your website so use Alternate text (image alt) to the images in order to optimize images.
Bing search engine spiders definitely crawl your website with the help of sitemap but you have to maintain your website regularly in order to impress the bing search engine spiders. But indexing takes several months. That is the main problem with Bing. However, we can expect good traffic from Bing.