Alt Tags

An alt tag is the text used to explain what an image is displaying and is useful for both search engines and users, as it provides a better understanding of the image. There are several factors to consider to ensure alt text is optimized and follows best practice formats, these are explored in our Hangout Notes, along with recommendations from Google.

Linked Image Alt Text Acts as Anchor Text

July 7, 2017 Source

Add alt text to image links as these act as anchor text, including on mobile pages.

Alt Text is Included as Part of the On-page Text

June 27, 2017 Source

Alt text is shown when images are turned off in a browser and counts as part of the on-page text.

Add Alt Text and Embed Images on Mobile Sites in Preparation for Mobile-First

June 27, 2017 Source

Google’s Mobile-first team has noticed many sites don’t include alt text for images on mobile sites. John recommends checking that alt text exists for images when checking sites are ready for the switch to Mobile-first indexing as well as making sure images are embedded so they can still appear in Image search.

Add Images to Sitemap to Provide Google With More Information

May 2, 2017 Source

Images can be added for each page of your site within your sitemap along with captions and alt-tags using special sitemap extensions.

Image Links Pass the Same Weight as Text Links

March 24, 2017 Source

Provided you have alt text on the image, which is equivalent to the anchor text, image links should be treated the same as text links.

There are no limits to Link Titles, Image Titles and Alt Tags

January 24, 2017 Source

Title Attribute on Links is Ignored

March 8, 2016 Source

Google ignores the title attribute in anchor links, but does use alt tags for images inside a link.

Image Alt Text Adds to the Page Content

March 8, 2016 Source

Adding alt tags adds content to the overall page.

Related Topics

Structured Data & Schema Titles & Meta Descriptions