Through the use of external style sheets, stylistic and presentation aspects (such as colors, backgrounds, etc.) are kept separate from the contents of the pages. In this way, users who use browsers that do not support style sheets, or partially support them, can still enjoy the content.
All the elements and attributes contained in the page code have been used in a semantic way; therefore, the pages have a logical structure in which the various elements of the page are marked according to their function; for example, the titles, subtitles, paragraphs, lists, tables, etc., are labeled with the respective elements of the HTML code.
Furthermore, the website www.visitpula.info of the Municipality of Pula was created in compliance with the guidelines and recommendations of the Web Accessibility Initiative (WAI) for IT tools. The accessibility requirements and the various control points for verification were defined based on the principles of the guidelines and the success criteria contained in the Web Content Accessibility Guidelines 2.0 (WCAG 2.0) of 11 December 2008.
These guidelines require a website to be:
Principle 1- perceptible:
the information and the components of the user interface must be presented so that they can be enjoyed through different sensorial channels.
Principle 2 – usable:
the user interface components and the commands contained therein must be usable without unjustified discomfort or constraints for the user.
Principle 3 – understandable:
users must be able to understand how the interface works and the actions it contains necessary to obtain services and information.
Principle 4 – robust:
the content must be robust enough to be reliably interpreted by a wide range of programs used by the user, including assistive technologies.
To comply with these guidelines, the website meets the following requirements:
Requirement 1 – Textual Alternatives:
All non-text content presented to the user has an equivalent textual alternative that serves the same purpose.
Requirement 2 – Timed media types:
For the types of preregistered media of audio only and video only, unless these media constitute an alternative type of media to a textual content clearly labeled as such, a document is provided which contains the correct textual description in sequence of the audio events and video, and which provides the possibility of achieving the same results as a timed interaction.
Requirement 3 – Adaptable:
The website is responsive, that is paged and optimized for display on a wide range of devices, from smartphones, to tablets, to desktop PCs or smartTVs.
Requirement 4 – Distinguishable:
The choice of colors was made by verifying the sufficient contrast between the text in the foreground and the background. Sound content can be interrupted, started or paused. Texts can be resized without loss of readability or pagination.
Requirement 5 – Accessibility from the keyboard:
You can move the focus from one component to another on the page and navigate, with the simple use of the Tab (forward), shift + Tab (backward) and Enter keys to open a selected link.
Requirement 6 – Adequate time availability:
Web pages do not contain elements that require time limits for the completion of user activities.
Requirement 7 – Convulsions:
Web pages do not contain anything that flashes more than three times per second.
Requirement 8 – Navigable:
Each page has a title that describes the topic and functionality. All the links on the page can be navigated sequentially using the keyboard through the tab forward and shift + tab back. The selected link is indicated by an underline. The selected link is accessible by pressing the enter key on the keyboard. All blocks of content and interactive components are identified by appropriate titles and descriptive labels that clarify the purpose.
Requirement 9 – Readable:
The default language of the website is Italian. Website navigation in other languages is available in the menu bar.
Requirement 10 – Predictable:
At the simple focus no element of the portal changes or activates any functionality. Navigation is consistent in the style and positioning of its elements in all sections of the portal. Elements that have the same functionality, such as buttons, or forms, maintain the same style and meaning in all sections of the portal.
Requirement 11 – Assistance in the insertion:
When an action is requested by the user, a label is always provided with instructions for its correct execution. If an error is identified, a suggestion is always provided to resolve and continue. All the actions are reversible and the data entered by the user are verified, allowing the user himself to make the necessary corrections of any input errors.
Requirement 12 – Compatible:
The website is compatible with all popular browser versions (Safari, Firefox, Edge, Chrome, Opera, Android Browser, iOS Safari, and Internet Explorer version 10). However, alternative readable versions are always available for the most obsolete browsers.
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