Do not cram alt text with keywords just to improve search engine optimization. This will hinder alt text’s true purpose: improving accessibility. Focus on describing the photo's content. Search engine optimization should not be the goal for writing good alt text.

Chartability is a resource to help make data visualizations and charts more accessible. It's organized into principles with testable criteria aimed at making sure people with disabilities are able to access data. chartability.fizz.studio

Basic transcripts are a text version of speech and non-speech audio information needed to understand content. Descriptive transcripts also describe the visual information needed to understand the content, helping people who are both Deaf and blind. w3.org/WAI/media/av/t…

Identify and treat links consistently. If you have two links that lead to different places but have the same link text, that will confuse users. Similarly, don’t use different link text for links leading to the same URL.

Alexa Heinrich's Accessible Social is a free resource for digital marketers, communication professionals, content creators, everyday social media users, and anyone who wants to learn how to make their content accessible for people with disabilities. accessible-social.com

If you're new to captioning videos for your content, you might feel as if you don't know what you don't know. Meryl Evans' "Does Your Video Make These 6 Common Caption Mistakes?" is a great resource to help make your captions better. meryl.net/common-caption…

Automated tools are great for identifying some accessibility errors, but can’t explain how those affect real users' experiences. Human testers who have experience with assistive technologies can provide feedback to designers and developers to make better sites in the long-term.

The Xbox Accessibility Guidelines are a set of best practices compiled by industry experts, gamers, and disabled people. The guidelines have been written to help developers, designers, and testers make games more accessible to people with disabilities. learn.microsoft.com/en-us/gaming/a…

When you don't add alt text to your images you tweet, the default alt text is "Image." That doesn't give blind or low-vision users any understanding of the content or context of the image. Always add alt text. help.twitter.com/en/using-twitt…

An emoji has a coded description that gets read aloud by screen readers. Putting emoji in between text could cause confusion or make content less clear. Putting an emoji after each word could be especially confusing. It's best to put emoji at the end of written content.

Capitalization affects how people read hashtags or how people hear them on screen readers. Use #camelCase or #PascalCase in hashtags instead of lowercase. You could have #DoctorWhoRewatch ("Doctor Who Rewatch") or #doctorwhorewatch ("doctor whore watch.")

If you tweet images of what to do during a weather-related emergency, share that advice with blind and low-vision users, too. Add alt text. The alt text should include the text in the image, rather than just a vague description, so people aren't missing out on vital information.

Did you know each emoji has a coded description that gets read aloud by screen readers? This demo by Alexa Heinrich shows what happens when a screen reader encounters a post that uses an emoji to function as a bullet point. youtube.com/watch?v=MSMsSP…

When writing hyperlink text, don't use URLs for the link text. Screen reader users will hear, "h-t-t-p-colon-forward-slash-forward-slash…" Beyond that, using the URL for the link text makes it difficult for sighted users and for search engines to understand the link's purpose.

Use labels or instructions whenever user input is required. Clear and unambiguous directions and labels help all users, but especially those with cognitive, language, and learning disabilities. Clear labels prevents users from making incomplete or incorrect form submissions.

Looking for information on accessibility laws? Lainey Feingold has a resource on digital accessibility laws and policies that she's updated over the years. Though not exhaustive, it has great insight, histories, explanations, and links. lflegal.com/global-law-and…

When writing alt text, focus on what's truly important. In an image with text about a canceled event, the borders of the image are not nearly as vital as conveying that this event is now canceled. A decorative border can be mentioned, but it's not the most important element.

The term "overlay" refers to any product using third-party source code to change a website's front-end code to attempt to improve accessibility and avoid legal risks. But no overlay can truthfully promise it can make a website fully conform with existing accessibility standards.

Many screen readers can produce a list with all the headings on a page. This allows users to browse the list and jump to a specific heading on the page. Write down that list and structure it. Does it make sense if you read it out loud?

Some people have disabilities that are directly based on the way they understand and interpret numbers. In this post, Ricky Onsman explains some of these disabilities, who is affects and how, and what web creators can do about it. tpgi.com/making-numbers…