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What can the source of a website tell you?

- Monday, 25th October 2021

When you view a website, you are effectively being presented with a corporate brochure. The website owner will use a specific font typeset, a brand conscious colour scheme and any number of graphs and images to represent their products and services to you.

However, within the Structured Data community, where markup languages are our raison d'ĂȘtre, the structured source of a webpage can tell you quite a bit more about an organisation beyond their branded colour scheme. View Source

To view the source of a webpage:

  • Firefox: CTRL + U. Or you can go to the "Firefox" menu and then click on "Web Developer", and then "Page Source".
  • Edge/Internet Explorer: CTRL + U. Or right click and select "View page source".
  • Chrome: CTRL + U. Or right click and select "View page source".
  • Opera: CTRL + U. You also can right click on the webpage and select "View page source".

When you view the source, you are looking at the raw structure of a webpage in its native "text" format before any styling has been applied. This raw format is marked up using the Hypertext Markup Language (HTML) to create the structure of the webpage and, as with all markup languages, you can validate the markup with the appropriate DTD/Schema.

Select a validator below to check if a webpage Markup validates against its DTD/Schema: validated using the (X)HTML5 Validator website xHTML5 validation

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