An alt tag is an html attribute that explains what an image shows. user moved his cursor from the page it will display some text Optimizing alt text is important, but it’s not the be-and-end-all of image SEO. font-size: 20px; Here we discuss an introduction to Alt Tag in HTML, how does tis tag work with programming examples. This week, we’ll start off by comparing TalkBack and VoiceOver screen reader software. Images without alt text cause problems for screen readers because there’s no way to communicate the content of the image to the user. If you’re using a modern CMS, it should be possible to add alt text without having to dig into the HTML code. }

It would be better to have the screen reader ignore it completely. href="" You should see the alt text displayed whenever you roll over an image.

HTML img tag contains alt attribute. author, image specification etc. Bad: “picture Okay: “cheesecake” Good: “strawberry Best: “strawberry, Bad: “steve Okay: “steve Good: “apple Best: “apple, Bad: “image4" Okay: “orange Good: “orange Best: “orange. The React JavaScript library is a great way to create reusable modular components that can be shared among projects. For example, some websites have icons to separate content: These are only there to look pretty, so you shouldn’t add alt text. If your image is a link to other content, you’ll need to take that into account. HTML img tag contains alt attribute. You don’t need to repeat details which are in the image caption, or mentioned in a part of the page discussing the image. This attribute allows only text. } Accessibilité: convention alt-text recommandée pour SVG et MathML? p { If the alt attribute is missing, you’ll see a warning. 1; Français . alt="Bootstrap"> Include introductory phrases like “An image of…” or “Graphic:…”. Welcome aboard, and we hope you enjoy the ride! For example, take a look at these missing alt attributes: It’s clear from the filenames that they don’t need alt text. This attribute specifies the information about the image like image name, image link, image author, image specification, etc. Lots of tools are capable of crawling your site and finding missing alt attributes, including Ahrefs’ Site Audit. font-size: 20px;

But, here’s an important point… If an image doesn’t require alt text, best practice is to add an empty alt attribute. For example, the logo in my example above might be used as a link to the home page of the company website, as an example of a font, or on a list of sponsors for an event. “” © 2020 - EDUCBA. You should also optimize filenames, serve responsive images, consider lazy loading, and much more. By default, it uses the image filename in the title attribute. text
color: blue; float: left; , Users who can’t see it will be left wondering whose logo it is and what it’s doing there. Google Images is the world’s second-largest search engine. loaded without any problem. The actual search traffic (as reported in Google Analytics) is usually 3-5 times bigger. This attributes specifies Give it a listen here! The number of times this article was shared on Twitter and Facebook.

HTML img tag contains alt attribute. Usually, they skip over these images, or worse, read out long and unhelpful image filenames. Remember that although an automated accessibility checker can see if all the images have alt attributes, you are the best judge of how useful the content in those attributes is to your audience. We’ll never spam or sell your information. Any of these might be useful alt attributes in different situations: Get in touch with us and we'll get back to you with the good stuff!

when the internet connection is slow the image may not load but is The important thing is to keep your users’ needs in mind, the same as you would for any other aspect of your site. Millions of people are visually-impaired, and many use screen readers to consume online content. padding: 5px; } Just look at the number of clicks we’ve had to the Ahrefs Blog from Google Images in the past three months: Google’s John Mueller says that alt text is an important part of optimizing for Google Images: Alt text is extremely helpful for Google Images — if you want your images to rank there. Even with a very basic graphic, there are a lot of details which could be included: its text, colours, objects in the foreground or background, orientation to portrait or landscape, etc. width: 33.33%; tag, , The alt attribute is used to assign a text alternative to an img.The alternative text is used anytime the image is not rendered and by assistive technologies such as screen readers. Pizza example alt text: My “Italian ham and pepperoni pan pizza with stretchy mozzarella cheese” above will be different from my image of this delicious “Bacon and mushroom thin crust pizza with stretchy mozzarella cheese” 5. It lets search engines and users using a screen reader know what an image is about. These work by converting on-screen content, including images, to audio. For example, the logo in my example above might be used as a link to the home page of the company website, as an example of a font, or on a list of sponsors for an event.

Alt Attribute Introduction

, BPOW: text alternatives for decorative images — Simply Accessible, Live from Agile Midwest: Lean accessibility on the Technically Speaking podcast, A smartphone accessibility primer; or, how I learned to stop worrying and master mobile accessibility. This attribute available in tags: This 3 tags alt attribute is only for showing text on top of the image. You also need to take into account if information in the image has already been written in the content around it. In that case you’ll need to take a different approach, and we’ll cover that in another Best Practices post soon. clear: both; Follow these five best practices, and you should be good. Avoid Keyword Stuffing. Even if you use lazy-loading, you know which image will be loaded, so get that information in there as early as possible & test what it renders as.— John (@JohnMu) September 4, 2018. Sighted users who have turned images off will see the broken image icon, and screenreader software announces “Graphic” before reading the alt attribute. color: navy; Second Bird color: navy; Keywords: bpow images lowvision text alternative. the information about the image like image name, image link, image
HTML alt Attribute. regarding image therefore he can understand that there is some content If you do decide to use an image as a link, filling out its alt text helps Google understand more about the page you’re linking to. Anchor text refers to the clickable words that link one webpage to another. when the internet connection is slow the image may not load but is color: green; They’re decorative, which means we’d want a screen reader to pass right over them. This is good practice, especially for images on e‑commerce product pages. } font-size: 20px; Another option is to include a link near the image which goes to a page with a full description. Real-Time Scenario: While we are displaying any image on the web it is not fair to the end-user without knowing what the image is about. Alt is an attribute available in area, img and input tags. //usemap name and map name attribute name must be same loaded without any problem. For example, if the page mentions poodles, labradors, and retrievers, then Google knows it’s about dog breeds. ALL RIGHTS RESERVED. Hi there! Maybe they were included to make your site more pleasant to look at, or to provide emphasis to parts of the interface. src="R1.jpg" alt="Submit Button" width="48" height="48"> . Doing so will only annoy visitors with screen readers, and won’t add any “SEO value” to the page. Alt Attribute provides alternative information for the image to recognize what the image is meant for. So instead of user go back from the if

Images with img tag and alt attribute

Head of Content @ Ahrefs (or, in plain English, I'm the guy responsible for ensuring that every blog post we publish is EPIC). We’ll be talking about that in another Best Practices post soon.

HTML img tag contains alt attribute. text If there's something we've missed, please reach out and let us know.

THE CERTIFICATION NAMES ARE THE TRADEMARKS OF THEIR RESPECTIVE OWNERS. It would be better to have the screen reader ignore it completely. The same image might convey different information depending on where it’s placed. For example, if our logo was in a group of other logos with the heading “Sponsors” above it, the context makes it clear that Simply Accessible is one of those sponsors so there is no need to mention it in the alt attribute.