Image Alt Text in ASP.NET Core MVC | SEO and Accessibility for Developers

Published 25/06/2026

Description

Learn how to write better image alt text in ASP.NET Core MVC so your images are easier for search engines and assistive technologies to understand. Google says alt text is the most important attribute for providing metadata about an image, and it also improves accessibility for people who cannot see images on web pages. In this episode of Technical SEO in ASP.NET Core MVC, I explain what the alt attribute does, why it still matters, and how to write alt text that is useful without being spammy or repetitive. Google says it uses alt text together with computer vision algorithms and the page content to understand the subject matter of an image. 0:00 - Introduction 0:11 - Description 6:27 - Basic Html5 9:43 - Conclusion What you’ll learn: What the alt attribute is and why it matters. Google says alt text describes an image and provides important metadata for search and accessibility. Why alt text supports image discovery. Google’s image SEO documentation says alt text helps Google understand the subject matter of the image. Why accessibility matters here too. Google’s accessibility guidance says that without alt text, screen reader users may only hear “image” for graphics and logos. How to write better alt text. Google’s examples favor specific descriptions such as “Dalmatian puppy playing fetch” over generic text like “puppy.” How image links should be handled. Google says alt text is also useful as anchor text when an image is used as a link. This video is useful for developers who want to improve both technical SEO and accessibility without turning every image into a keyword dump. YouTube also recommends using unique descriptions and putting the main descriptive keywords prominently in the title and description. #SEO #ASPNETCore #Accessibility Sample Code Alt Img : https://l.samayas.eu/k0WXoVB9Rw?P=YT&V=48 Subscribe to my X account https://l.samayas.eu/jo3eaYEf3E?P=YT&V=48 Buy me a Coffee : https://l.samayas.eu/jX6xL7EWhd?P=YT&V=48