Site Inspector makes website analysis easy. Here is a list of the most important features:
Site Inspector is a true "cross browser" application because it supports both the Internet Explorer and the Firefox/Mozilla browsers in three ways:
You can switch between IE and Firefox with one mouseclick in the Analyzing Browser (the screenshot shows the corresponding two menu items). Also you can switch between the main windows of IE and Firefox with a menu item of their toolbars.
Site Inspector displays various (usually invisible) parts of any web page
Using element highlighting all HTML elements of a webpage can be marked with a colored border, background, or text for a fast overview of the web page's structure.
Using so called "element highlighting" all HTML elements of a webpage can be marked with a colored border, background, or text for an in depth overview of the web page's structure. This screenshot shows this feature: <table> tags are marked with a black border, <td> tags with a red doted border and <a> tags with a solid red border (please click the magnification glass to zoom in).
You can even hide (and show) all HTML elements of a specific type, e.g. you can hide all links or images.
For all links the linked URL and the HTML code of the <a> element can be shown right inside the webpage as well as the HTML code and the image URLs for all images

Site Inspector can overlay a pixel grid and customizable guide lines on top of a webpage, e.g. for pixel-by-pixel design checks.
The Site Inspector toolbars and context menus offer various options to copy information from the current web page to the clipboard, including
Additionally, using the "Copy Meister" you can copy the complete web page HTML or parts of it to the clipboard (as plain text, HTML, or highlighted HTML).
With just a mouse click you can resize the browser window to the most common screen sizes (e.g. 800x600, 1024x768) to check how a page looks like in other resolutions. You can also zoom in and out of the current web page.
Site Inspector's toolbar includes a fine selection of tools that are available online. These online tools can be customized by the user.
Please note that these tools are subject to changes, e.g. by their respective providers on the Web.