Why are image alt tags important?
ALT tags provide a text alternative to an image. They are a way to "describe" an image to those who can not see the image. The most important function of an ALT tag is to explain to a blind user what an image is displaying.
The alt and title traits of a picture are normally alluded to as alt tag or alt content and title tag despite the fact that they're not actually labels. The alt tag is utilized by screen perusers, the programs utilized by visually impaired and outwardly weakened individuals, to let them know what is on the picture.
Each image should have an alt text. Not just for SEO purposes but also because blind and visually impaired people otherwise won't know what the image is for. A title attribute is not required. It can be useful but in most cases, leaving it out shouldn't be much of an issue.
Alt tag is play role in Seo because google is not read the image but it can be read the alt tag, so it is most important...
The Alt tag is very important image optimization factor. Alt stands for alternate. The text in the alt tag is displayed in place of the image if the image can not be shown or is taking too long time to load.
Search engines cannot read images directly on a webpage. Alt text is used with to define images in the source to help search engine spiders crawl and know about your webpage images. These tags are helpful to rank your images higher in search results.
Alt tag gives descriptive information about the image. This descriptive information is useful to help visually impaired customers and search engine crawlers as they navigate the site. Alt is just one element of an image tag. Some images do not need alternative attributes, if your site uses line, bullets, spacers and other purely designed-oriented images.
Meta tags is important because they help SEO
Google is not able to read the image but the Google easily read the Alt Tag. So, the Alt Tags are important in SEO.
Alt tags on images tells the search engines what the image is all about then provided to the users query in search results.
As search engine can't read any text in the image format. So tell the search engine what is the image related to, title and alt tag are used, this is a part of image optimization. In details you can check what is image optimization (http://"http://www.clickpointsolution.com/blog/what-is-image-optimization-for-website/").
These are for the person who cannot see and also for search engine crawler. This is what helps them to know what image is about and also confirms the relevancy.
A prominent use of alt tags is to provide text for visitors who are unable to see images in their browsers and that may be due to various reasons such as visitors might be using browsers non compatible to display images or with diabled image display. It is also well used for visually impaired visitors, and useful for visitors who use screen readers technology. In case visitor can see your images, then alt tags will also appear while user hovers over that image.
ALT tags are used to define the meaning of the image. Google do not understand the meaning of the image, so we need to put alt tag and description to explain to the google bot, what is this image all about.
Image Alt Tag provides the clear alternative and tells us about the image which is displayed on the screen and also tells us about the fact as from where it is posted and who posted it online and what it is all about.
Quote from: americanqualityroofs on January 02, 2017, 05:11:33 AM
Why are image alt tags important?
Image alt tag is the alternative text for the image.search engine(google)does not read the image thats we provides alt tag for image..
Image alt tags provide the name of the image. So search engine easily identify the image with help of image alt tag.