There are logos and images with alternative text, incorrect, or confusing and complex images without textual description [requirement number 9.1.1.1 non-textual Content, of UNE-en 301549:2022].
There are lists created incorrectly (without tag list), tables with cells labeled incorrectamene and invisible tags in elements of forms [requirement number 9.1.3.1 Information and relations, UNE-en 301549:2022].
There are elements that are not accessible by keyboard, such as, for example, links to social networks, the text editor for comments, items to sort search results, the paging of search results or the calendar arrows [requirement number 9.2.1.1 Keyboard, UNE-en 301549:2022].
There are items that do not receive the focus, and therefore unable to interact with them via the keyboard, for example [requirement number 9.2.4.3 Order of the focus, UNE-en 301549:2022].
There are links that do not correctly identify their function (they have a bad description, a text that is too generic a title inadequate...)
[requirement number 9.2.4.4 Purpose of the links, UNE-en 301549:2022].
There are headers with repetitive text and/or little descriptive [requirement number 9.2.4.6 Headers and labels, UNE-en 301549:2022].
There are images, infographics, text links or buttons, text headlines and content that are not translated to other languages [requirement number 9.3.1.2 Language of the parties, UNE-en 301549:2022].
In a page is using the same icon for different purposes, which generates confunsión [requirement number 9.3.2.4 Identification coherent, UNE-en 301549:2022].
There are forms with mandatory fields where the user is not aware of this, as well as fields where lack an example textual format of the field
(for example, the ID card) [requirement number 9.3.3.2 Labels and instructions of the UNE-en 301549:2022].
There are form fields where the error is reported when you enter an incorrect value, but are not reported as a suggestion for your correction
[requirement number 9.3.3.3 Suggestions to errors, UNE-en 301549:2022].
There are pages with syntax errors and therefore some support product may not correctly interpret the content (IDs page duplicate tag without closing, construction incorrect label...) [requirement number 9.4.1.1 Processing of UNE-en 301549:2022].
There are pages in which the products of support will not be able to obtain information, to interact and to be informed of the status of the user interface controls, such as, for example, help messages, status messages result of actions, attributes, links, image language page... that can't be read by screen readers in the moment in which they appear [requirement number 9.4.1.2 Name, function, value of UNE-en 301549:2022].
There could be failures spot of editing in a web page.