What is a Web Browser: Simply put, it's a software application used to locate and display web pages. Okay that's simple enough. What is HTML?
HTML is the the standard method used for the creation of Web Pages. HTML is an acronym for Hyper Text Markup Language. All browsers understand HTML is it is a web standard. The W3C says that "HTML is the publishing language of the World Wide Web. Who is the W3C ? Well in their own words, "The World Wide Web Consortium (W3C) develops interoperable technologies (specifications, guidelines, software, and tools) to lead the Web to its full potential."
The current version of HTML is HTML 4.01 which was approved and recommended by the W3C on December 24, of 1999. However there is a reformulation of HTTML 4.0 that is a combination of HTML 4.01 and XML 1.0 called XHTML 1.0. Most modern browsers are XHTML 1.0 compliant as well.
So why do we care about this stuff. Well if HTML is the publishing language of the web, that means that all of our website use html. Even though Online Banking is a very complicated application, in the end HTML is sent to the members browser. Okay, so now we know that all the websites send HTML to the members browser, but there is a standard so all browser should render it the same way right. Well, no they don't you see different companies interrupted the standards different from others, and other companies (Microsoft) deviated completely.
How bad can it be? The Web Standard Project created the Acid Test II It is an HTML document that is written that uses HTML,CSS and PNG written to the current W3C standards. Its amazing how differently it looks in the different browsers. (If you'd like to learn more about the Acid Test, check out this article .) Heres a quick example of how the Acid Test looks in some of the common browsers.
As you can see the difference range from very slight to no where near the mark. Now we see the importance of knowing the each browser will render the same page differently. So what a can we do if troubleshooting and figure this out....Well this one you get to blame on the Developer.
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