The overlay information is actually created from the data of people who visit Google (which won't be wrong to call it an average).

The tool is perfect for learning what percentage of the visitors are seeing the most important parts at initial load & what are they missing.

When you move the mouse, a rectangle which follows the mouse pointer enables us to interact with the website. And, optionally, the opacity level can be changed.

But, like mentioned, it is created with the data from google.com & will work for websites that target average internet users. It would be great to see this integrated into Google Analytics creating a custom overlay.

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Some of the articles are:

• HTTP caching
• PHP peformance tips
• Optimizing JavaScript code
• & much more.

Besides the articles, It is possible to reach videos of speeches by several organizations on website performance.

Also, links to various tools for the issue provided & a large community discusses the subject continiously.

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The website simply offers a similar customization interface for each widget and generates the JavaScript code for embedding them.

It currently presents 8 widgets:

• Calendar (for sharing your Google Calendar with your readers)
• Conversation (a comment replacement where users can have a conversation)
• Custom Search (custom Google search engine)
• Maps (easier Google Maps integration)
• News (latest Google News articles)
• Presentations (for sharing Google Docs presentations)
• Spreadsheets (for sharing Google Docs spreadsheets)
• Youtube News (Youtube news videos from a selected list of publishers)

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It lets you to add competitors & compare your website’s results with a competitor.

Another nice feature is the ability to add alerts. You can get alerts when:

• keywords you mentioned become the top 1, top5, etc. in the search engines
• your website beats a competitor for the given keywords

Exactfactor is very easy to use with a clean interface & considering search engines are the most important "factors" of traffic, the service is definitely helpful.

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Google now helps this with the Search-Based Keyword Tool.

The example simply demonstrates, if webresourcesdepot.com was to be advertised with Google Adwords & web design was a keyword to be used:

• the tool checks the website to analyze the content
• suggests other related keywords

Definitely a time saver for Google Adwords users.

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The data displayed is daily unique visitors (after logging in, you can see the numbers that graphs represent) and currently, up to 5 websites can be compared.

Google Ad Planner provides you information about websites by simply entering demographics and sites associated with your target audience. This is a tool to be used when you are planning or searching for websites to advertise.

Ad Planner, currently, can be used by invitation only. You can apply for it here.

More info can be found at Inside Adwords blog.

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Main idea is hosting the JavaScript framework files on Google servers, serving them faster by Google’s fast & distributed servers, gzipping them when needed and most importantly, preventing several downloads of the same libraries by caching.

Currently supported frameworks are:

• jQuery
• prototype
• script.aculo.us
• MooTools
• dojo

The caching mechanism may work great in the future if many websites use the Ajax Libraries API. This way if a user browsing your website, let’s say, if browsed another website using the API with jQuery, that user would have already downloaded the jQuery file and won’t need to download again on your website.

Using it is so simple. To use Prototype for example:

• Standard inserting:

<script src="http://ajax.googleapis.com/ajax/libs/prototype/1.6.0.2/prototype.js"> </script>

• Using Google Ajax API:

<script src="http://www.google.com/jsapi"> </script> <script> google.load("prototype", "1"); </script>

The official announcement can be found here.

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v

The API is smooth and fast. Flash graphics can be used for each tile layer, marker and info window. This opens up possibilities like dynamic shading, shadowing, animation, and video. When the user zooms the map, magnification changes happen smoothly and place names fade in.

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• 1 API To Rule All Maps: Mapstraction

Mapstraction has kind of a similar logic. It provides a common API for the major mapping providers. This means, when you code with Mapstraction API, you can easily switch from Yahoo Maps to Google maps or else.

You can even use this power to create creative solutions like this syncronizing maps example:

Some features of this mapping API:

• Support for 9 major mapping providers
• Point, Line, Polygon support
• Image overlay
• GeoRSS and KML feed import
• Geocoding of addresses
• Driving directions

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It is AJAX based, supports over 27 languages and well-documented.

This AJAX spell checker simply sends a query to Google’s spell checking address:  "https://www.google.com/tbproxy/spell?lang=" and displays the results and recommendations according to the result of this data.

GoogieSpell is well tested to work in all major browsers.

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