Reply. This is very useful for adding a default title and description tag for SEO purposes or for setting the viewport or adding the favicon. In the above image no viewport is declared. 3. Read more. On the responsive website, pages are available for all types of devices and display correctly regardless of screen resolution. Zooming is a common and expected 'allowed' behaviour on mobile web pages, so disabling it detracts from the mobile user experience.For this reason, Apple decided to ignore the declarations of user-scalable, minimum-scale, and maximum-scale, as of iOS 10. When working on a new web design one of things you need to think … What is the viewport Meta tag? The viewport meta tag is an essential part of responsive web design, that may also offer some performance improvements. The CSS viewport refers to the part of the website, which is visible in the browser window. Example. The viewport meta tag controls the logical dimensions and scaling of the smartphone browser’s window and tell it that the web page is optimized for mobile. The user is comfortable reading text, viewing images, scrolling content, filling in columns, making purchases. Viewport meta tag in css. How do you resolve this issue? Although it is very widely supported, the viewport meta tag is not a formal part of HTML5. It is used to instruct the browser how to render the page on different screen sizes (i.e., desktop/tablet/mobile). How do you make sure your website is displayed in a mobile-friendly way? I was just using it earlier today for a responsive design and was curious of it’s other uses. If you test out CSS media queries on a mobile device, you most likely won't see the expected media queries applied initially. It let you handle Viewport Scale using various scaling properties of viewport tag. A meta viewport tag gives the browser instructions on how to control the page’s dimensions and scaling.” Testing your site responsiveness and viewport Soon after completing your website, it is advisable to check the responsiveness of your website and see how it look on different devices. The red section is the width of the viewport and the blue section is positioned outside the initial viewport (eg left: 100vw). June 8th, 2018. Very helpful tutorial on adding a viewport tag to specify the viewport width for non-responsive design. Related Posts. Once you’ve set the page’s viewport, size the content on the page according to the viewport. The viewport is the section of the page in view, an example is viewing a web page on a mobile device, if it is zoomed in to display the top left of the page then the viewport has been set to be a certain width. The viewport meta tag- the key to preparing a page for mobile devices optimization. If you are designing a Safari on iOS-specific web application, you should set the width to the width of the device. Typical mobile browsers use the zoom behavior for rendering webpages. The viewport meta tag is a way to let developers control how a user's browser will display a page, specifically the size and scale of the page. June 25th, 2012. October 4th, 2012. This means visitors can see the … Then the page will be expanded, so it fills the visible area. Resetting Meta Viewport tag at certain media query breakpoints . Meta Viewport. Why it’s important for SEO. British Columbia, Student Aid. To see a page’s viewport in action, simply resize your browser to see how the page adjusts: Making Your Design Truly Responsive. The @viewport rule works in a similar way to the meta tag and allows for the same declarations. Viewport: A viewport is a term for the visible area of a webpage on a display device. Thanks for sharing.. its really useful… thanks, Reply. Mobile phones and other devices with smaller screens display pages in a virtual window or viewport.. The concept of the viewport. Following is the syntax − While not a formal standard, it is now being folded into CSS as the @viewport rule, which as of this writing is not yet widely supported on mobile browsers. In short, adding this to the viewport meta tag restores pre-Safari 9.0 behaviour. Read more. For example, if your webpage is narrower than 980 pixels, then you should set the width of the viewport to fit your web content. When designing websites, the viewport is an HTML meta tag (or @ rule in CSS) that is used to set styles and other website attributes to render the site on different devices. The viewport meta tag tells the browser how to behave when it renders the webpage, you can tell it how big the viewport will be. A meta viewport tag sets the visible area of a web page. Viewport Meta Tag Examples. Mobile browsers render pages in a virtual “window” (the viewport), usually wider than the screen, so they don’t need to squeeze every page layout into a tiny window (which would break many non-mobile-optimized sites). Therefore, the viewport is usually not the same size as the actual page. The viewport tag has become increasingly valuable with the rise of mobile phone usage. There's nothing wrong with your syntax, it's just that your mobile browser thinks it's a desktop browser until someone clues it in. Nov 21, 2012 at 6:23 am . To attempt to provide the best experience, mobile browsers render the page at a desktop screen width (usually about 980px , though this varies across devices), and then try to make the content look better by increasing font sizes and scaling the content to fit the screen. I suspect that symbol, rather than the tag itself, may be the basis for the problems. Viewport meta tag comparison. The way we configure the viewport is the viewport meta tag. Changing the viewport meta tag this way meant I only had to make minor adjustments such as increasing font sizes to make them legible without zooming. A viewport is the area of the window where web content can be viewed. Here's a worked visual example which shows the difference upon loading the page in the two configurations. Viewport. A meta viewport tag gives the browser instructions on how to control the page's dimensions and scaling. < off-topic > If my memory serves me well it was Jason M. Knight (aka Deathshadow), who suggested, very politely I might add, that I use that form of meta tag. Read more. With the mobile-first initiative, they go on to say “pages optimized for a variety of devices must include a meta viewport tag in the head of the document.” Viewport best practices . Syntax. The viewport meta tag is supported not only by the iPhone for which it was originally developed, but by Android, Fennec, and comparable smartphone browsers. Instead, the W3C is working on implementing it into CSS with the@viewport rule. Consider the following image. A meta viewport tag gives the browser instructions on how to control the page’s dimensions and scaling.” Viewport best practices. To make sure your page renders in a way … Thanks for the viewport meta tag information. Meta tag SEO best practices also include a viewport tag. Resetting Meta Viewport tag at certain media query breakpoints. The viewport tag is used in conjunction with: Viewport Height & Width: Height (device-height value) or width (device-width values) to define the height or width of the viewport. At the top, where the META tag was added, the ending quote in the meta tag is a "curly quote" instead of a straight quote. Hot Network Questions Did the Allies try to "bribe" Franco to join them in World War II? For example, if your webpage is narrower than 980 pixels, then you should set the width of the viewport to fit your web content. Apple documentation: Using the Viewport Meta Tag; Mozilla: Using the viewport meta tag to control layout on mobile browsers; quirksmode.org: A tale of two viewports; w3.org Mobile Web Application Best Practices: Use Meta Viewport Element To Identify Desired Screen Size; Quick Tip: Never use maximum-scale=1.0 on the A11y Project the viewport meta tag? The viewport Meta tag alters the behavior of a mobile browser by modifying the “virtual viewport” of the device. Use the viewport meta tag to improve the presentation of your web content on iOS. October 4th, 2012. Viewport is a site page area visible to the user without scrolling. 3 min read. Nov 22, 2012 at 3:47 am . That symbol is then not recognized as a closing quote and all remaining HTML becomes part of the meta tag until another real quote is encountered. The image on the left is how the new site looks when the viewport tag is omitted. But it is nice to know about the various options when building a mobile-specific website layout. 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