![]() For these reasons and others, provide a useful value for alt whenever possible. In these cases, the browser may replace the image with the text in the element's alt attribute. The image is invalid or an unsupported type.The user chooses not to display images (saving bandwidth, privacy reasons).Non-visual browsers (such as those used by people with visual impairments).There are a number of situations in which a browser might not display images, such as: Note: Browsers do not always display images. SVG remains the recommended format for images that must be drawn accurately at different sizes. WebP is widely supported while AVIF lacks support in Edge. WebP (Web Picture format) - Excellent choice for both images and animated imagesįormats like WebP and AVIF are recommended as they perform much better than PNG, JPEG, GIF for both still and animated images.Use for images that must be drawn accurately at different sizes. SVG (Scalable Vector Graphics) - Vector image format.PNG (Portable Network Graphics) - Good choice for lossless compression of still images (slightly better quality than JPEG).JPEG (Joint Photographic Expert Group image) - Good choice for lossy compression of still images (currently the most popular).GIF (Graphics Interchange Format) - Good choice for simple images and animations.AVIF (AV1 Image File Format) - Good choice for both images and animated images due to high performance.APNG (Animated Portable Network Graphics) - Good choice for lossless animation sequences (GIF is less performant).The image file formats that are most commonly used on the web are: Note: The Image file type and format guide provides comprehensive information about image formats and their web browser support. Allowing cross-origin use of images and canvas.HTML table advanced features and accessibility.From object to iframe - other embedding technologies.Assessment: Structuring a page of content.Feel free to leave any comments or suggestions on how to improve this tutorial. You should now have the same result as the example on top of the page. ![]() Your editor should look like: Save the node/article to view your finished Image Sequencing. Make sure to add copyright information which you can find on the Wikimedia site below each image. This is the information you need to fill in the remaining seven cards: Image In the same way you filled in the first card, fill in the remaining seven. Note that the order in which you are adding is important since this if what defines the correct sequence. Now we can proceed and add 7 more planets. Author: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington Years: 2008 Source: License: Public Domain License Version: Public Domain Mark Title: Enhanced-color image of Mercury from first MESSENGER flyby. NOTE: Don't forget to add licensing info for all images you use and are not your own! Click "Edit Copyright" to add licensing info. Click the "+ Add" button and upload the image you downloaded from Wikimedia. Mercury is the largest planet so we will add it first. We'll use this text for the Task description: Order the planets from smallest to largest Step 4: Filling in the first card In the Task description field, we give the learner basic instructions or introduce the problem to be solved. By default, there are three images in the set but you can add as many as you like by pressing the "Add image" button below the Image list. The editor consists of 3 parts: Task Description and Set of Images. The Image Sequencing editor looks like this: Select the New content option and choose Image Sequencing from the list of Content types: In this tutorial, we will create an exercise in which a learner has to order planets from smallest to largest. You can use this content type to create any sort of exercise where the learner has to place predefined items in the correct order (sequence).
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |