1. Try disabling images. Preserves web page layout.
Safari: from Safari's menu bar navigate to Safari > Preferences > Advanced and click Show Develop menu in menu Bar. From Safari's menu bar navigate to Develop and click Disable Images. Close and reopen any open web pages.
Chrome: type or copy and paste (without the quotes) "chrome://settings/content/images" into the address bar and press Enter. Click Show all (recommended) which will change to Do not show any Images. Reload any open web pages.
Firefox: type or copy and paste (without the the quotes) "about:config" into the address bar and press Enter. Click I accept the risk!. In the search bar type (without the the quotes) "permissions.default.image". Double-click the corresponding search result. Change the integer value from 1 to 2 and click OK. Reload any open web pages.
2. Try disabling styles. Preserves images.
Safari: from the Develop menu click Disable Styles.
Chrome: Install and use an extension such as Web Developer Toolbar or CSS-Block. Alternatively, Command + Option + J to open the console, type or copy and paste (without the the quotes) "document.querySelector("head").remove();" and hit Enter. Command + Option + J again to close the console.
Firefox: from Firefox’s menu bar navigate to View > Page Style and select No Style.
3. View the text-only version of Google’s cache of a web page. Add (without the the quotes) "cache:" to the beginning of a web address and hit Enter. Click Text-only version. Alternatively, after adding "cache:" highlight the text string in the URL from the very end up to the first ampersand (&) and add (without the the quotes) "strip=1". Hit Enter. Will not function on all webpages. If you have trouble accessing the Text-only version link to click because of a sticky header try using Kill Sticky.
4. Use Textise to view web pages as text only. More conveniently, drag the cross-platform bookmarklet to your browser’s bookmarks bar to toggle between a source web page and the Textise version. There are text formatting options available.
5. Try the Just Read extension for Chrome. It functions with web pages, not just articles. Also make use of the reader views in Safari and Firefox for articles.