It isn't easy understanding how to get everything working properly for a higher rated site in Google or other search engines. It would be nice if there was a tool of some sort to help out with that. Fortunately, there are tools which can help, and they are readily available and easy to install as a plug in for Firefox.
Here are some of those Firefox plug-ins that can help you with Search Engine Optimization:
SeoQuake - A Mozilla Firefox SEO extension aimed primarily at helping web masters who deal with search engine optimization (SEO) and internet promotion of web sites. Seoquake allows to obtain and investigate many important SEO parameters of the internet project under study on the fly, save them for future work, compare them with the results, obtained for other, competitive, projects.
Search Status - Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, Alexa info and other SEO tools. It also allows you to view rel=nofollow links on page
RankQuest SEO - Provides you quick access to more than 30 intuitive SEO tools. Alexa Rank and Page Rank provided by Alexa and Google respectively ensures the popularity of the site. Once you download and install the SEO Toolbar you are only one or two clicks away from carrying out most of your day to day SEO
Google Symantics - This tool helps to get synonym for the keyword during your search on Google n which helps for better SEO using Google own Synonyms also refered as Latent Semantic Indexing (LSI) n is a vital element in Search Engine Optimization and article writing