The values generally are given by the HTTP protocol when it is used, but it might (for similar reasons as for the title attribute) be useful to include advisory information in advance in the link. For rel="preload" and as="image" only, the imagesrcset attribute is a sourceset attribute that indicates to preload the appropriate resource used by an img element with corresponding values for its srcset and sizes attributes. alt="Mountain">, Mountain, Page Style menu. In HTML 4, this can only be a simple white-space-separated list of media description literals, i.e., a white-space separated list of sizes, each in the format. I mean the current directory by where the file containing the file:// is located. - # subdirectory with the same name as the source page, failing that Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2. This attribute is not well understood nor supported, even by the defining browser, Internet Explorer 4. my-image.jpg. Let's look at these now. A URL, or Uniform Resource Locator is a string of text that defines where something is located on the Web. target="_blank">Visit W3Schools!, ,