Spider Simulator

What you see as a visitor in your browser while watching at any web site differs a lot from what the search engines spiders see when indexing your pages.

Find out what spiders see when they crawler your websites by using these simulators:

30.	Spider Simulator - SEO Chat
31.	Spider View - Iwebtool
32.	Search Engine Spider Simulator - Anownsite
33.	SE Bot Simulator - XML Sitemaps
34.	SE Spider - LinkVendor

Browser Screen Resolution Checker

It is important to test a web site in as many ways as possible: view it in different screen resolutions, various computer platforms and different browsers. Find out how your web page looks like with the viewer's monitor set to different screen resolutions as you want to be sure your visitor can see everything or at least the important navigation links:

35.	Browser Screen Resolution Checker - Markhorrell
36.	Screen Size Tester - AnyBrowser
37.	Screen Resolution Checker - AndyLangTon

HTML and CSS validations

Although it's not yet proved without doubt that W3C validation gives you better search engine rankings, it's sure that errors in your code can cause you big problems. Converting your website pages to XHTML will help you reach more customers, as your site will work better in more browsers and non-traditional devices. Read more about this topic in our article: Does your website need W3CF Validation

In order to see if you're CSS files or HTML code turns out to be valid use these tools:

• HTML

  38.	W3C Validator
  39.	WDG HTML Validator - Web Design Group
  40.	CSE HTML Validator Lite
  41.	Validation Services for your HTML / XHTML / WML - Validome

  
  
• CSS

  42.	CSS Validator - Jigsaw

FireFox Extensions

43.	Developer ToolBar

A toolbar designed for Firefox, Flock, Mozilla and Seamonkey, with various web developer tools.

44.

SEOpen

SEOpen is an extension for Firefox to help with search engine optimization. It provides many helpful tools at the click of a mouse: Yahoo Backlinks, Pages in Yahoo Index, Google Backlinks, Google Cache, and Pages in Google index, Google Related, PageRank Check, MSN Backlinks, Pages in MSN Index, Alexa Overview, Alexa Traffic, Alexa Related.

45.	SEO Links Extension

When enabled, SEO Links extension, hovering any link in FireFox (compatible width FireFox 1.0-1.5 ) will show you Yahoo, MSN, and Google link popularity and ranking data for the URL and anchor text pair.

Speed Tester

It's important to consider how fast your pages load because users will shy away from sites they can't navigate quickly and easily. Additionally, smaller pages are indexed by Google and other search engines easier:

46.	Speed Tester - LinkVendor
47.	Website Speed Test - Web Hosting Top
48.	Website Speed Test - Iwebtool
49.	Speed test - WebSite Goodies
50.	Web Page Speed Report

Page Rank Prediction

PageRank is an algorithm used by Google to measure the relevance and importance of a web page. In order to find a way to make the difference between the million of pages on the web, Google rates each of them, gives them a "vote". Find out more about: Google Page Rank Algorithm .

By using these tools you will get an estimation of your future page rank:

51.	Future PageRank - SEO Chat
52.	Predict PageRank - Page Rank Prediction
53.	Future PageRank
54.	* Page Rank Prediction - DNLodge

Check your current Page Rank:

55.	Visual PageRank - Iwebtool
56.	Search PageRank - SEO Chat
57.	Page Rank Tool

Traffic Rankings

58.	Alexa Traffic
59.	Awstats
60.	** Sitetracker
61.	** Histats
62.	** Google Analytics
63.	Compete

Search Engine Saturation

Search Engine Saturation refers to the number of pages a given search engine has in its index for your website domain. It is important because this kind of information tells you if the engines are finding and indexing all the pages and files on your website.

Use the tools we recommend to verify your search engine saturation levels and compare your website to competitors on a regular basis in order to see if it is climbing or falling.

64.	Search Engine Saturation - Market Leap
65.	Search Engine Saturation Tool - Build Reciprocal Links
66.	Search Engine Saturation - SearchBliss
67.	Search Engine Saturation Tool - To the Web
68.	Search Engine Saturation Tool - SEO Book

It doesn't matter what tool you choose for your research as long as you know that they are only informative and nobody can guarantee your results. Nevertheless, such tools are useful to provide you with a broad picture of the markets you decide to compete in.