Review of Twitter

Twitter Reviewed 15 Jul 2014 · Average score 82%


Twitter is largely accessible with some minor issues around contrast levels and some data tables lacking headings. Video and image uploads requite the owner to add captions and explanations

Detailed Results

# Test Outcome Notes
1 Login, Signup and Other Forms Accessible 67% Keyboard access/tabbing works logically, No CAPTCHA was found. Form controls/fields do not appear to have corresponding labels (WAVE), but could be read using NVDA.
2 Image ALT Attributes 67% Image alt tags (alternative text) are generated from name fields provided by users some alt tags are missing or offer invisible content (WAVE) but most are appropriately null with text options.
3 Link Target Definitions 67% Most links are understandable or provided in sentences. Some duplications were found. User generated links in tweets are usually cryptic and shortened.
4 Frame Titles and Layout 67% Most frames are not titled, but do not affect the layout. Firefox - AE tool, IE - WAT.
5 Removal of Stylesheet 67% Content remains accessible, but navigation can be hampered by inconsistencies. For example, submenus for "settings" tab are composed of both buttons and hyperlinks. GC - Web Developer Tool, Mozilla - AE Tool, IE - AIS Tool.
6 Audio/Video Features 100% Videos cannot be uploaded, however, you can hyperlink a video player, e.g. YouTube.
7 Video/animations - audio descriptions 100% Videos cannot be uploaded, however, you can hyperlink a video player, e.g. YouTube.
8 Appropriate use of Tables 67% No tables are used for layout, but data tables appear to lack titles, headers and captions but content can be read with NVDA.
9 Tab Orderings Correct and Logical 67% Tab order is generally good and logical, short cut keys are offered but no skip navigation link.
10 Page Functionality with Keyboard 100% Full keyboard accessibility is provided, but the main menu items are highlighted in pale blue which is not that easy to see.
11 Accessibility of Text Editors 100% There are no rich text editors.
12 Appropriate Feedback with Forms 100% Clear, appropriate feedback is provided next to the form controls. No time constraints.
13 Contrast and Colour Check 67% Colour contrast in the site is generally good, apart from some minor issues, such as pale grey text on the dashboard and content.
14 Page Integrity when Zooming 100% Readability unaffected when zooming and the layout is responsive to changes.
15 Text size, style, blinking elements and Readability 100% Text is generally 12pt, sans serif font. There is no flashing or blinking content.