Etymologie, Etimología, Étymologie, Etimologia, Etymology
US Vereinigte Staaten von Amerika, Estados Unidos de América, États-Unis d'Amérique, Stati Uniti d'America, United States of America
Validatoren, Validation, Validation Services
(E?)(L1) http://watson.addy.com/
Dr. Watson is a free service to analyze your web page on the Internet: link validity, download speed, search engine compatibility, and link popularity;
Site Widgets
Alexa's Site Widgets allow you to show Alexa data on your site. You can choose from simple Traffic Rank buttons to Traffic History Graphs. Just fill out a form, then copy and paste the HTML into your site. Site Widgets
Amazon Associate Site Report
Save time with a free report of your links
Alexa's Site Report is a service built for Amazon.com Associates. Fill out a simple form and Alexa will send a Web crawler to your site, check for broken links and send you an e-mail when it is done.
Now anyone can automatically monitor any web page for changes. It's free!
(Every time your site changes, we'll e-mail your visitors and let them know! Simply place a ChangeDetection.com link or panel on your site today, and your visitors can ask for ChangeDetection without leaving your site.)
Monitor page for changes
codeflux
HTML Page Check
HTML Source Code Cleaner
Web Server Performance Check
atomic time - extracted live from nist, colorado, us. choose any time zone in the world
universal unit converter - convert values in any unit into any other unit
resistors reference - decode color coding on resistors
encoder - encode from any to any: text, binary, octal, decimal, hexadecimal, and web-style
(E?)(L?) http://www.codeflux.com/exec/validate/
(E?)(L?) http://www.codeflux.com/exec/tidy/
Does your web page contain internal errors that could cause it to be garbled in some web browsers? - now you can check. This page supports validation of HTML, XHTML, CSS, and SMIL formats and complies with the W3C and IETF standards. Additionally, your page will be spell-checked.
Check any HTML page for errors.
Clean up the HTML source code from any web page.
crawler-alert
Crawler-Alert
(E?)(L?) http://www.crawler-alert.com/
Automatically get an email notification whenever a search engine crawler (spider/agent/robot) is scanning your website.
HTML Authoring Services
Delorie Software provides a number of free services to the web community to assist web authors who wish to make their information available to the largest audience. These tools provide alternate ways of viewing your pages, so that you can ensure that your content is received properly by all viewers.
Lynx Viewer - See how this browser views your page
Search Engine Simulator - See what the search engines see
Web Page Purifier - Restricts your HTML to published standards
Web Page Backward Compatibility Viewer - See what your page looks like without support for various features
HTTP Header Viewer - Make sure your server is sending the correct MIME headers for your files.
HTTP Request Viewer - Find out exactly what your browser is sending to my server.
(E6)(L?) http://www.delorie.com/web/lynxview.html
This is how a search engine robot sees your web-site.
Dieser Textbrowser "sieht" eine Website wie eine Suchmaschine. So können Sie überprüfen, ob Links verfolgt werden.
(E?)(L1) http://www.delorie.com/web/purify.html
HTML Authoring Services are supposed to assist web authors who wish to make their information available to the largest audience. These tools provide alternate ways of viewing your pages, so that you can ensure that your content is received properly by all viewers.
(E?)(L?) http://www.delorie.com/web/wpbcv.html
Web Page Backward Compatibility Viewer
Web Page Purifier: allows users to view a page 'purified' to be compliant with HTML 2.0 (RFC 1866), HTML 2.0+Tables (RFC 1866+1942), HTML 3.2, HTML 4.0 Transitional, HTML 4.0, Strictwebtv 1.1.
mit dem Backwards Viewer lassen sich einzelne Funktionen schrittweise abschalten und der Effekt überprüfen:
Images ( else show broken images)
Break ALT-less images
Break WIDTH/HEIGHT-less images
Tables ( else insert line breaks between table cells)
This tool that will automatically detect where in the world visitors are coming from when they visit your site.
digitalpoint
Geotargeting Website To Country Check
Website Location
Wo ist eine Website zu Hause?
(E6)(L1) http://www.digitalpoint.com/tools/website-country/
What is this good for? Maybe you want to know where your servers are physically located with your hosting company. Also, some search engines (such as Google) have the ability to filter search results based on their physical location (geotargeting). This could be used to determine why your site is showing in a certain country.
Calculate Physical Location For...
dmoz
Open Directory HTML Validators and Debuggers
Homepage-Validator-Liste
Am 06.04.2004 waren hier Links zu folgenden Validatoren aufgeführt:
CSE HTML Validator - Windows. HTML, XHTML, and CSS validator. Also checks accessibility, links, and spelling. Commercial pro version and free lite version.
HTML PowerTools - Windows. Includes validator, image scanner, meta tag manager, find and replace tool, tag pair fixer, and an HTML to text converter. Commercial software; 30-day demo.
HTML Shrinker - Windows. Removes unnecessary characters from HTML, CSS, Perl, JavaScript and many other web file formats. Commercial pro version and free light version.
HTML Tidy - Unix, Windows, MacOS, and others. Validator fixes errors in HTML and XHTML. Converts HTML to XHTML. Free Software.
LinkScan/QuickCheck - Unix and Windows. Lint and link checker. Commercial software; free trial. Also online checking.
A Real Validator - Windows. Based on an SGML parser. Shareware.
SP - Windows and Unix. Object-oriented toolkit for SGML parsing and entity management. Can validate any version of HTML for which a DTD is available. Free Software.
SP Instructions - Windows. Instructions for the Do-it-yourself Offline HTML Validator using SP.
SWAN: SubWeb Analyzer - Unix. Generates statistics and finds inconistencies in a subweb (web site).
VSE Web Site Turbo - MacOS. Image and HTML lint. Commercial software; partially-functional demo.
domain-pop
Backlink Checker
Link Popularity, Domain Popularity & IP Popularity
SEO Tools
(E?)(L?) https://www.fortify.net/sslcheck.html
Wenn Sie Ihren Browser testen wollen, ob er die 128 Bit-Verschlüsselung verkraftet, können Sie das unter dieser Adresse machen. Nach dem Aufruf dieser Seite sehen Sie, welche Verschlüsselungsvariante Ihr Browser beherrscht.
The HTML5 test score is only an indication of how well your browser supports the upcoming HTML5 standard and related specifications. It does not try to test all of the new features offered by HTML5, nor does it try to test the functionality of each feature it does detect. Despite these shortcomings we hope that by quantifying the level of support users and web developers will get an idea of how hard the browser manufacturers work on improving their browsers and the web as a development platform. Please note that the HTML5 test is not affiliated with the W3C or the HTML5 working group.
...
Enter the URL of an HTML document to validate. To quickly validate multiple URLs, try the batch mode. Alternatively, you can validate files on your computer or you can enter your HTML directly.
Our SEO Tools were designed to help in Search Engine Optimization for different search engines. Using any of these SEO Tools wisely can dramatically help in increasing Search Engine Positioning for top rankings within search engines.
Free Google Rank Checker Tool.
Find out what positioning and ranking are your web pages being indexed with Google for certain key words or phrases.
Free Google Keyword Suggestions Tool.
Find out which keywords are being searched for the most on Google and which keywords you should concentrate more on.
Free SEO Keyword Suggestion Tool.
Find out what are the most requested and searched for keywords & related keywords on major search engines (monthly count).
Free SEO Keyword Density Tool.
Analyze your web pages to include just the right Keyword Density within the web pages you are looking to optimize.
Use this "Search Engine Saturation SEO Tool" to see how many different web pages you have indexed within the major search engines such as Google, Yahoo, AOL, MSN. Compare your website with your competitors.
How to use this tool
1. Enter the domain name you want to check. (eg. www.iwebtool.com)
2. Click the "Check!" button
This tool will analyze your domain name and supply you with a number of details including Alexa Ranking and Search Engine Listings.
How to use this tool
1. Enter the exact website address of the page you want to check the backlinks for into the text box. (eg. www.iwebtool.com)
2. Click the "Check!" button
The results will be shown in a table, 20 results per page will be displayed.
Click the icon to view more details about the website.
How to use this tool
1. Enter the exact website address of the page you want to check the prediction for into the text box. (eg. www.iwebtool.com/tools)
You can enter up to 10 different websites to check the prediction for. After entering the first address, press Enter and enter a new address on the new line.
2. Click the "Check!" button
The results will provide a prediction of the future PageRank however this should not be considered true. The results can sometimes be known as current "real" PageRank.
How to use this tool
1. Enter the exact website address of the page you want to check the keyword for into the text box. (eg. www.iwebtool.com/tools)
2. Click the "Check!" button.
The results will show the keywords in a large and small size. The popular keywords will appear in a more bold font whilst the less popular keywords will appear in a small font.
You may click a keyword for more related keywords.
How to use this tool
1. Enter the exact website address of the page you want to check the link popularity for into the text box. (eg. www.iwebtool.com)
2. Click the "Check!" button
The results will provide you details of your listings in five different search engines.
How to use this tool
1. Enter the exact website address of the page you want to check the PageRank for into the text box. (eg. www.iwebtool.com/tools/)
2. Click the "Check!" button
The results will show the PageRank of the page given in multiple Google Servers. The PageRank may vary from server to server.
How to use this tool
1. Enter the exact website address of the page you want to check the ranking for into the text box. (eg. www.iwebtool.com/tools)
2. Click the "Check!" button
The results will provide a Google PageRank, Alexa Ranking and Search Engine listings. A brief comment about your website will also be supplied.
For multiple domain check-ups, please use our Multi-Rank Checker tool.
How to use this tool
This tool will show you a search engine listing of your website. The results will show a listing from Google, MSN and Yahoo Search.
1. Enter a Title, Description and Website Address.
You may want to enter a search keyword to view how users will see your listing when a particular keyword is searched.
2. Click the "Show me a preview!" button.
1. Enter the exact website address of the page you want to check the PageRank for into the text box. (eg. www.iwebtool.com/tools/)
2. Click the "Check!" button
The results will show the page given along with the PageRank of each link on that page. You also have the option to show "nofollow" and external links.
How to use this tool
1. Enter the address of the page you want to check the speed for into the text box. (eg. www.iwebtool.com/tools)
You can enter up to 10 different websites to check the speed for. After entering the first address, press Enter and enter a new address on the new line.
2. Click the "Check!" button
The results will provide a rough estimation of the speed however at some point the server may lag which will cause the results to vary.
If the results are highlighted red, this means the website is either slow or offline. If the results are highlighted in blue, this means the website is extra fast comparing to the average loading time.
Easily see backlinks from your competitors
This tool can show you all the important information about your competitor's links. The report includes pagerank, anchor texts, no-follow information and more.
linkpopularity
Linkpopularity-Check
(E?)(L1) http://www.linkpopularity.com/
Find out how many web sites link to a given URL.
Die Ergebnisse kann man sich einmal pro Monat zuschicken lassen: "Receive this free report via e-mail each month."
Majestic-SEO is the worlds largest backlinks and anchor text database. Our proprietary robots have crawled over 127 billion webpages and found over 1026 billion unique links and their anchor text.
This information is available in detailed reports, where links and anchor text are shown in order of importance, based on their backlinks. Each website's backlinks can all be downloaded as '.CSV' file.
Dieser Service untersucht die Popularität einer Site bei Suchmaschinen.
Nach Wunsch kann rechts eine zweite Homepage eingetragen werden; dann wird ein Vergleich erstellt.
Meta Tag Generator: If you're new to web development and search engine optimization, you may find this tool useful to ensure that your Meta Tags are correctly formed.
Domain Typo Generator: Enter a domain name into the box above, and this tool will generate a list of suggestion of likely human-misspellings and typos for the given domain.
Keyword Typo Generator: Enter a keyword or key-term into the box above and this tool will generate a list of suggestions for likely human-misspellings and typos.
Keyword Suggestions For Google: The keyword suggestion tool for Google will help you choose relevant and popular terms related to your selected key-term.
PageRank Lookup: This tool streamlines the process of checking pagerank for your sites. Enter a list of URLs and it will return the PageRank value for each one.
Site Link Analyzer: This tool will analyze a given web-page and return a table of data containing columns of outbound links and their associated anchor text.
Meta Analyzer: This tool will analyze a websites META tags. Analyzing a competitors Keyword and Description META values is a good way to find ideas for keyterms and more effective copy for your site.
The SEO Consultants Directory provides a glossary of terms, abbreviations and acronyms used in the Internet marketing, search engine optimization (SEO), and search engine marketing (SEM) industries.
Search Engine Marketing Tools - Web Site Development Tools
In this section of the SEO Consultants Directory, you'll find onsite links to search engine marketing (SEM) and search engine optimization (SEO) tools along with tools and tips for web site design and development.
What's Popular
Release Version 1.13 - URI Valet - 2008-03-07- Updates performed to address most reported bugs since 2007 September. Thank you to all those who participated in our "Report a Bug" program, we're looking forward to Release Version 2.0.
Check Server Headers Tool - Allows mimicking of various User Agents. Recursive lookups up to 10 responses. GET, HEAD, HTTP 1.0 and HTTP 1.1 Protocols. Displays visual of destination page based on User Agent.
SEM Tools Index
Check HTTP Compression - HTTP compression delivers amazing speed enhancements via file size reduction. Test web sites with this compression check tool, and see the difference HTTP compression makes!
Check Server Headers - HTTP Status Code Checker - Check server headers and verify HTTP status codes. There are four HTTP status codes (200|301|302|404) that we are primarily interested in from an indexing and search engine marketing perspective. (Single URI | Batch URI)
CSH Bot V3S - Allows mimicking of various User Agents. Recursive lookups up to 10 responses. GET, HEAD, HTTP 1.0 and HTTP 1.1 Protocols. Displays visual of destination page based on User Agent.
Constant Contact - Double Opt-In Permission Based Email Marketing - Constant Contact® Do-It-Yourself Email Marketing® is the leading web based email marketing service used by over 25,000 small businesses and associations.
Constant Contact Features | Constant Contact Pricing
DNS Report - Fix DNS Problems - This page will provide you with a DNS report for your domain. A very large percentage of domains have DNS problems; this site will help you find those problems and fix them.
SPF Test - Sender Policy Framework Validation Tool - What is SPF? Sender Policy Framework fights return-path address forgery and makes it easier to identify spoofs (email spoofing).
Form Buttons > Advanced E-mail Link Generator - This email link generator, written entirely with HTML and JavaScript, can create sophisticated mailto: links for you. You just fill in the form and click the button.
Glossary SEO Terms - SEO Acronyms - SEO Abbreviations - Glossary of terms, abbreviations and acronyms used in the Internet marketing, search engine optimization (SEO), and search engine marketing (SEM) industries.
HTML/XHTML Validator - The WDG HTML Validator will validate up to 100 pages from a single website if you check Validate Entire Site. Enter the URI of an HTML/XHTML document to validate in the form field at the linked page above.
HTTP Status Codes - Redirecting URIs in IIS and Apache - There are four HTTP status codes that we are primarily interested in from an indexing and search engine marketing perspective.
Iconico Tools Index - Iconico specializes in interface design and production for the web. Iconico aims to produce software that not only meets all technical requirements, but feels simple and obvious to anyone who uses it. This is a nice little suite of tools to have for the both the designer and the developer.
Keywords Research - Researching keywords and keyword phrases is one of the most important elements in a well rounded search engine marketing campaign. There are a variety of keyword suggestion tools available here.
Wordtracker Keyword Search Tool - Wordtracker helps you find all keywords and keyword phrase combinations that relate to your business and/or service, many of which you might never have considered.
Knowledge Tests - Topics covered include; search engine marketing (SEM), search engine optimization (SEO), HTML and XHTML, CSS and, overall website design and search engine promotion strategies.
Money Conversion Rates - Currency Converter - Currency converter allows you to perform interactive foreign exchange rate calculations and money conversion on the Internet, using live, up to the minute currency conversion rates.
MP3 Sound Stream - Add Sound to Your Websites - MP3 Sound Stream provides a simple click and go system to allow anyone to add streaming audio to a web site, for just cents on the dollar.
PayPal Shopping Cart - Add a PayPal Shopping Cart to your website so your buyers can browse your entire site, then make their purchases quickly and securely on PayPal-hosted payment pages.
PayPal Merchant Tools - Shopping Cart, Buy Now Buttons, Donations, Checkout with PayPal Account Optional, Custom Payment Pages, Auto Return, Shops, Subscription Password Management, Encrypted Website Payments, Online Logo Center, and many more...
Website Design Tools - PC and Mac based website design tools, graphics optimization and website development tools.
ZazzleStamps - Create Custom U.S. Postage Stamps - ZazzleStamps enable you to create customized United States postage! You can use your own pictures or licensed images from the Zazzle Special Collections to design real postage with your own text.
The SEOmoz toolset includes over twenty SEO tools designed to help with every aspect of search engine optimization, including on-page targeting, site crawlability, competitive analysis, rank checking and keyword difficulty.
Page & Site Analysis Tools: Crawl Test | Trifecta | Linkscape | Strongest Pages | Check Indexed Pages
Geographic & Local Search Tools: GeoTargeting Detection
snafu
Link-Check-Software
(E?)(L1) http://home.snafu.de/tilman/xenulink.html
Xenu Link Sleuth - Software - kostenlosen Stand-alone Link-Checker zur Installation auf dem PC
prüft interne und externe Links einer Website und erstellt ein Protokoll mit Hinweisen zur Problembehebung.
Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets. It displays a continously updated list of URLs which you can sort by different criteria. A report can be produced at any time.
The Typetester is an online application for comparison of the fonts for the screen. Its’ primary role is to make web designer’s life easier. As the new fonts are bundled into operating systems, the list of the common fonts will be updated.
Über "Get CSS for 1st | 2nd | 3rd column" kann man den den entsprechenden CSS-Code für die eigene Homepage einsetzen.
U
uitest
Homepage-Validatoren-Sammlung
User Interface Test resources
Vischeck is a way of showing you what things look like to someone who is color blind. You can try Vischeck online- either run Vischeck on your own image files or run Vischeck on a web page. You can also download programs to let you run it on your own computer.
Beim World Wide Web Consortium (W3C) gibt es einen html Validator (von Dave Raggett) mit dem man seine html-Seiten überprüfen kann.
Hier findet man u.a. folgende Themen und Tools:
Accessibility
CSS Validator
HTML Tidy
HTML Validator
Validators
checks HTML documents for conformance to W3C HTML and XHTML Recommendations and other HTML standards.
Der Online-Link-Check prüft die Links mehrerer Seiten einer Site! (rekursiv) - Sehr empfehlenswert.
HTML Tidy von Dave Raggett is a cross-platform utility for cleaning up HTML.
Web accessibility evaluation tools are software programs or online services that help determine if a Web site meets accessibility guidelines. While Web accessibility evaluation tools can significantly reduce the time and effort to evaluate Web sites, no tool can automatically determine the accessibility of Web sites.
The Basics - what you should run on all your web pages
The MarkUp Validator. - Also known as the HTML validator, it helps check Web documents in formats like HTML and XHTML, SVG or MathML.
The Link Checker - Checks anchors (hyperlinks) in a HTML/XHTML document. Useful to find broken links, etc.
The CSS Validator - validates CSS stylesheets or documents using CSS stylesheets.
The above three can be used all-in-one by running the Log Validator. Unlike the others, this tool helps improve the quality of a whole site, step by step, by finding the most popular documents that need to be fixed in priority. Learn more about this method in the Web Standards Switch document.
Specific Tools - for Specific Needs
RDF Validator - Check and Visualize RDF documents
Feed Validator. - check newsfeeds in formats like ATOM and RSS.
P3P Validator - Checks whether a site is P3P enabled and controls protocol and syntax of Policy-Reference-File and Policy
XML Schema Validator
MUTAT - a human-centered testing tool (framework)
(E?)(L1) http://jigsaw.w3.org/css-validator
CSS-Validator
Learning CSS - CSS Browsers - Authoring Tools - Specs - CSS1 Test Suite - W3C Core Styles - CSS Validator
Den Validator gibt es auch zm Download.
WAVE is a free web accessibility evaluation tool provided by WebAIM. It is used to aid humans in the web accessibility evaluation process. Rather than providing a complex technical report, WAVE shows the original web page with embedded icons and indicators that reveal the accessibility of that page.
Search Engines are known to penalize websites that contain Duplicate / Similar content. Your content could be similar to other websites on the Internet, or pages from within your own website could be similar to each other. This tool allows you to determine the percentage of similarity between two pages
Search Engine Spider Simulator
This tool Simulates a Search Engine by displaying the contents of a webpage exactly how a Search Engine would see it. It also displays the hyperlinks that will be followed (crawled) by a Search Engine when it visits the specified webpage.
Backlink Anchor Text Analysis
It is not enough just to have a lot of backlinks, it is the Quality of backlinks along with the Quantity that help you rank better in Search Engines. This tools help you determine the backlinks of your website and the link text used by your backlinks to Link to your wesbite.
Backlink Builder
This tools help you build a LOT of quality backlinks, it searches for websites of the theme you specify that contain keyphrases like "Add link", "Add site", "Add URL", "Add URL", "Submit URL" etc. Most of the results could be potential backlinks. Text links are important for ranking well in search engines.
Backlink Summary
This tool will give you get a summary of your competitors backlinks.
Keyword Density Checker
Keyword Density is the percentage of occurrence of your keywords to the text in the rest of your webpage. This tool will crawl the specified URL, extract text as a search engine would, remove common stop words and Analyze the density of the keywords.
Redirect Check
It is very import that when a search engine comes to crawl your website it is able to follow any redirects you have set up. This tools help you determine if the redirect you have created is Search Engine Friendly.
Kontera Ads Preview
Allows you to preview Kontera ads on your website.
Link Price Calculator
This tools will help you determine the appropriate amount you should be paying (or charging) per month for a text link (ad) from each and every page of the specified website.
Reciprocal Link Check
This tool helps you ensure that your link partners are linking back to your website. It also determines the anchor text used by your link partners to link to your website.
Check Yahoo WebRank
This tool help you evaluate the importance of a URL as perceived by Yahoo and Google. Its one of our Yahoo seo tools
Domain Stats Tool
This tool helps you get all kinds of statistics of your competitor's domains. The statistics include Yahoo WebRank, Pages Indexed by various Searcb Engines, Backlink count, Alexa Taffic Rank, and Age of the domains.
Domain Age Tool
This tools displays the approximate age of a website on the Internet and allows you to view how the website looked when it first started. It also helps you find out the age of your competitor's domains, older domains may get a slight edge in Search Engine Rankings.
Keyword Playground
Users enter keyphrases in Search Engines to get information they need, It is VERY important that you optimize for such keyphrases. This tools help you determine key phrases and report on its monthly search estimate.
Website Keyword Suggestions
This tools tries to determine the theme of your website and provides keyword suggestions along with keyword traffic estimates.
URL Rewriting Tool
This tool helps you convert dynamic URLs into static looking html URLs.
Keyword-Rich Domain Suggestion Tool
Having a KEYWORD-RICH domain name is an important factor of Search Engine Optimization. This tools will suggest keyword rich domain names.
Website to Country
Many people wonder why their websites dont rank well in Country specific Search Engines, most of the Search Engines determines country of the website based on the physical location of the website's IP Address. You would probably rank well in a Country Specific Search Engine if your website is hosted in the same country. This tools helps determine the Country in which the specified website is Hosted.
Alexa Ranking Tool
This tools allows you to get the Alexa Traffic Rankings of you and your competitors.
This service will allow you to inspect the HTTP headers that the web server returns when requesting a page/file.
IP to City
This tools helps you determine the Country, City, Latitude and Longitude of an IP Address.
Domain Age Tool
This tools displays the approximate age of a website on the Internet and allows you to view how the website looked when it first started. It also helps you find out the age of your competitor's domains, older domains may get a slight edge in Search Engine Rankings.
File Search Engine
This tools helps you locate particular files on the internet. You can enter an exact filename or a partial filename, you will be diplayed a list of URL's through which you can download the specified file.
Screen Resolution Simulator
Simulates your web page in different screen resolutions.
The article deals with the advantages and disadvantages of choosing SEO as your career.
How to get Traffic from Social Bookmarking sites
This article explains how to harness the power of social bookmarking in order to reach the front page off major social bookmarking sites like Digg, Netscape, StumbleUpon, Reddit etc. and drive a lot of traffic to your site.
Choosing a SEO Company
This article explains how to select a SEO company and it includes advice on important points to watch for when making the decision whether to choose a particular company or not.
Keyword Difficulty
This article focuses on one often forgotten aspect of keyword selection, namely how difficult it would be to top the results for a particular keyword. The article also gives ideas what to do when all your keywords seem to be occupied by your competitors.
Web Directories and Specialized Search Engines
This article gives ideas of some of the Google/Yahoo alternative for getting popular on the Web - namely submitting to Web directories and specialized search engines. The article explains in brief what is good about Web directories and specialized search engines and what their limitations are.
Importance of Sitemaps
This article explains what sitemaps are, why use them, how to generate a sitemap and submit it to Google and the other search engines.
How to Build Backlinks
This article concentrates on how to build backlinks in a natural way or via different programs and forums. The article also mentions some of the dangerous practices in building backlinks and strongly recommends to avoid them under all circumstances.
Reinclusion in Google
This article describes what to do when a SEO nightmare i.e being excluded from Google comes true. While the article focuses on the steps that are necessary to perform in order to be reincluded in Google's index, it also lists some of the possible reasons for being penalized.
Optimizing Flash Sites
Macromedia Flash is a popular technology for enhancing Web sites. But for SEO optimizing Flash sites is not the most pleasant task, neither an easy one. This article shows how to find a balance between Flash contents on a site and high rankings with search engines, as well as some of the available workarounds for dealing with Flash content.
Bad Neighborhood
The purpose of this article is to explain how to deal with bad neighbors on the Web - what to do and what not to do, if you want to keep your site clean from being related to link farms, Web spammers and the like.
What is Robots.txt
This article focuses on how to write (or generate) and validate a robots.txt file in order to prevent search engines from crawling and indexing parts of your Web site.
Jumping Over the Google Sandbox
This article deals with the supposed Google Sandbox effect that is used to probe new sites before letting them into top positions, as well as the measures site owners and SEO experts can be take to minimize the negative effects of the sandbox over their sites rankings.
See Your Site With the Eyes of a Spider
When optimizing a page it is important not how you see it but how search engines see it. A search engine spider simulator is a valuable tool that can help you see a site with the eyes of a spider, so that you can correct any mistakes you might have that will deprive you of top ranking with search engines.
Optimization, Over-Optimization or SEO Overkill?
This article shows how to avoid SEO over-optimization (and black hat SEO tricks) because intentional or unintentional over-optimization might turn into a real nightmare in terms of search engine ranking or it can even lead to temporary or permanent ban from search engines.
Ranking in Country Specific Search Engines
This article explains how your website could Rank better in Country Specific Search Engines.
The Age of a Domain Name
This article explains the role of the Age of a domain name in search engine rankings.
The Importance of Backlinks
This article will explain to you what a backlink is, why they are important, and what you can do to help gain them while avoiding getting into trouble with the Search Engines.
Dynamic URLs vs. Static URLs
This article explains the various challenges of Dynamic URLs vs. Static URLs.
Duplicate Content Filter: What it is and how it works
This article will help you understand why you might be caught in the filter, and ways to avoid it. We'll also show you how you can determine if your pages have duplicate content, and what to do to fix it.
"Site Timer" allows you to analyze some of the most critical aspects of "webpage performance". You can easily find out how long it takes for a dialup modem user to get your page, check all the graphical links to ensure they're correct, even take a look at your servers HTTP headers and more! Everything is done online, so you don't need to install or configure any special software, just click on the Site Timer link, enter the webpage URL, and away you go!
"Engine Viewer" is built off of the core of a search engine harvester (spider). What this means is you can view your webpage in the same way a search engine does, from how it breaks down the HTML, to which links it extracts, how it interprets your robot exclusion rules and more! Since a large percentage of most websites traffic comes from search engine results, it's now more important than ever to understand better how webpages are dissected and indexed.
Grade Your Website
Website Grader is a free seo tool that measures the marketing effectiveness of a website. It provides a score that incorporates things like website traffic, SEO, social popularity and other technical factors. It also provides some basic advice on how the website can be improved from a marketing perspective.
websiteoptimization - Free Website Performance Tool and Web Page Speed Analysis
CSE 3310 HTML Validator - A powerful, easy to use, and user configurable HTML syntax checker available for Windows. Helps you to find and correct a plethora of possible problems in your HTML documents.
Doctor HTML - Nifty service that checks many aspects of your Web page automatically, including spelling, bad links, document/table/form structure, graphics analysis (outputs WIDTH, HEIGHT and color depth) and command syntax checking. Free single page validation.
Dr. Watson - A free service to validate your Web page on the Internet. You give it the URL of your page and Watson will get a copy of it directly from the Web server. Watson understands the latest HTML 3.2 standards, as well as Netscape and Microsoft extensions up through version 4. It can also verify that the links on your page work, as well as spell-checking your text. Version 4.0 now online.
HTML Tidy(*) - Multiplatform (Windows, Mac, Unix, AIX, Amiga and more) software from Dave Raggett and the W3C that both validates HTML and auto-corrects many common mistakes.
LinkScan - Server-side commercial perl program (all major platforms) that checks links and HTML as well as creates site maps. Free trial available.
Net Mechanic - Online services that check links, validate HTML, and evaluate server performance. Free trials and subscription versions available.
A Real Validator - Fast, off-line Windows-based SGML parser that checks HTML syntax against exact standards specifications. Free, time-limited demo available.
W3C Validation Service(*) - Free detailed online validation service checks HTML, XHTML and CSS documents for compliance with W3C standards.
WDG HTML Validator - Free online HTML validator, works in single page or batch mode. From the author of "A Real Validator" and the Web Design Group.
Web Page Purifier - Checks your HTML against six DTD's including Web TV 1.1.
Web Site Garage - Online service checks your HTML, spelling, links, and browser compatibility. Free for single pages, broader services available for fee.
Collections
AnyBrowser.com - Site filled with HTML validation and optimization tools and links.
HTML Validation/Checkers - Yahoo's list of links.
websiteoptimization
Website Performance Test
(E?)(L?) http://www.websiteoptimization.com/services/analyze/
Test your web site speed and improve website performance with our free web-based analyzer. Enter a URL below to calculate page size, composition, and page download time. The script calculates the size of individual elements and finds the total for each type of web page component. Based on these page characteristics the script then offers advice on how to improve page display time and website speed. The script incorporates best practices from HCI research into its recommendations.
Acid3 is the third in a series of test pages written to help browser vendors ensure proper support for web standards in their products.
Acid3 is primarily testing specifications for “Web 2.0? dynamic Web applications. Also there
are some visual rendering tests, including webfonts. Here is the list of specifications tested:
