Web Page Header Check

A very common tool is a web page header check, this simply checks the status codes and other information which the web server is sending out when loading a page. These codes let things like browsers and search engine spiders know if this page is OK, Moved, or Bad.

HTTP Status Codes

200 OK, 301 Moved Permanently, 302 Found, 304 Not Modified, 307 Temporary Redirect, 400 Bad Request, 401 Unauthorized, 403 Forbidden, 404 Not Found, 410 Gone, 500 Internal Server Error, 501 Not Implemented.

http://www.seoconsultants.com/tools/headers.asp
http://www.webconfs.com/http-header-check.php
http://www.seochat.com/seo-tools/check-server-headers/

Common Issues and Opportunities

Finding common issues / opportunities or low hanging fruit is not always easy especially in a highly technical environment. These tools often run through a laundry list of common checks and also sometimes gather pertinent data regarding a website or web page. Crawl testing also falls into this category, making sure that search engine spiders can access and spider a website or web page information.

http://semcheck.com/
http://www.seomoz.org/crawl-test
http://www.webconfs.com/search-engine-spider-simulator.php

Keyword Density

Many would agree that keyword density is not something which is touted anymore, however there have been many tools created to measure it and gauge an optimum keyword to content ratio. There are some interesting tools which will review a page and return what it thinks are the targeted keywords, sometimes that can be helpful.

http://www.seochat.com/seo-tools/keyword-density/
http://www.webconfs.com/keyword-density-checker.php
http://www.seotoolset.com/tools/free_tools.html
https://tools.shoemoney.com/how_it_works1.php#keywordDensity

Keyword Research

Finding the right keywords is an important task, if a website has the first spot for a term with little traffic but similar terms have more traffic it might be better to use the higher trafficked terms or optimize for them as well. Some really great tools have come out to perform keyword research and help users to find better keywords.

http://tools.seobook.com/keyword-tools/seobook/
http://www.seomoz.org/popular-searches/
http://www.seomoz.org/keyword-difficulty
http://raven-seo-tools.com/features/research/
http://www.seochat.com/seo-tools/keyword-suggestions-google/
http://www.webconfs.com/website-keyword-suggestions.php
http://www.webconfs.com/keyword-playground.php
http://www.seotoolset.com/tools/free_tools.html

Competitive Research

It's always a good idea to take a look at what your competitors are doing and while running all of the tools mentioned off competitor domains can give you some great data, some people have created competitor specific tools to extract specific data. There are also some great tools which let you compare websites and their varying statistics to one another. Those can be enormous tools when comparing yourself to your competition or competitors to competitors.

http://www.seotoolset.com/tools/free_tools.html
http://tools.seobook.com/competitive-research-tools/
http://www.alexa.com/siteinfo
http://www.quantcast.com/
http://www.compete.com/

Link Analysis / Link Building

Link building is all the rage these days so it’s understandable that several tools have been created to help find, manage, and create valuable links for a website. Not only are there tools to find optimal websites to get links from but there are tools to see what kinds of links competitors or other websites already have.

http://www.webconfs.com/backlink-summary.php
http://www.seomoz.org/link-finder
http://www.seomoz.org/linkscape
https://tools.shoemoney.com/how_it_works3.php#backlinkFinder
http://raven-seo-tools.com/features/link-building/

Rank Checking

These are some interesting tools which aggregate rank and authority data for a domain or website. The SEOmoz trifecta tool is a one of my favorite tools, which quickly grabs vast amounts of data about a website.

http://www.seomoz.org/trifecta
http://www.webconfs.com/domain-stats.php
http://www.alexa.com/siteinfo
http://www.quantcast.com/
http://www.compete.com/

SERP Tracking

SERP tracking can be tedious without some kind of tool to aggregate the checking and storing of the SERP data. Each of these tools is a good quality option to help streamline that process.

http://tools.seobook.com/firefox/rank-checker/
http://raven-seo-tools.com/features/serp-tracking/
https://tools.shoemoney.com/how_it_works1.php#keywordTracker
http://www.seomoz.org/rank-checker