| Checkpoint | Completed | Almost Complete | Partially Implemented | Not Implemented | Comment | 
            
                | 1.1 Full keyboard access. (P1) |  | Yes |  |  | Image & Label: keyboard unaccessible | 
            
                | 1.2 Activate event handlers. (P1) |  |  | Yes |  | can not emulate mouse's actions | 
            
                | 1.3 Provide text messages. (P1) | Yes |  |  |  |  | 
            
                | 2.1 Render content according to specification. (P1) |  | Yes |  |  |  | 
            
                | 2.2 Provide text view. (P1) | Yes |  |  |  |  | 
            
                | 2.3 Render conditional content. (P1) |  |  | Yes |  |  | 
            
                | 2.4 Allow time-independent interaction. (P1) |  |  |  | Yes |  | 
            
                | 2.5 Make captions, transcripts, audio descriptions
                available. (P1) |  |  |  | Yes |  | 
            
                | 2.6 Respect synchronization cues. (P1) |  |  |  | Yes | automatically reload?? 
 | 
            
                | 2.7 Repair missing content. (P2) |  |  |  | Yes |  | 
            
                | 2.8 No repair text. (P3) |  |  |  | Yes |  | 
            
                | 2.9 Render conditional content automatically. (P3) |  |  | Yes |  |  | 
            
                | 2.10 Don't render unsupported language. (P3) |  |  |  | Yes |  | 
            
                | Checkpoint | Completed | Almost Complete | Partially Implemented | Not Implemented | Comment | 
            
                | 3.1 Toggle background images. (P1) | Yes |  |  |  |  | 
            
                | 3.2 Toggle audio, video, animated images. (P1) |  |  | Yes |  | Preference -> Privacy&Security -> Images | 
            
                | 3.3 Toggle animated or blinking text. (P1) |  | Yes |  |  |  | 
            
                | 3.4 Toggle scripts. (P1) | Yes |  |  |  | Preference -> Advanced -> Scripts&Plugins | 
            
                | 3.5 Toggle automatic content retrieval. (P1) |  |  |  | Yes |  | 
            
                | 3.6 Toggle images. (P2) | Yes |  |  |  |  | 
            
                | 4.1 Configure text scale. (P1) | Yes |  |  |  |  | 
            
                | 4.2 Configure font family. (P1) | Yes |  |  |  |  | 
            
                | 4.3 Configure text colors. (P1) |  | Yes |  |  | no enough colors in Preference color selection | 
            
                | 4.4 Slow multimedia. (P1) |  |  |  | Yes |  | 
            
                | 4.5 Start, stop, pause, and navigate multimedia. (P1) |  |  | Yes |  | via some plugins | 
            
                | 4.6 Do not obscure captions. (P1) |  |  |  | Yes |  | 
            
                | 4.7 Global volume control. (P1) |  |  |  | Yes |  | 
            
                | 4.8 Independent volume control. (P1) |  |  |  | Yes |  | 
            
                | 4.9 Configure synthesized speech rate. (P1) |  |  |  | Yes |  | 
            
                | 4.10 Configure synthesized speech volume. (P1) |  |  |  | Yes |  | 
            
                | 4.11 Configure synthesized speech characteristics.
                (P1) |  |  |  | Yes |  | 
            
                | 4.12 Specific synthesized speech characteristics. (P2) |  |  |  | Yes |  | 
            
                | 4.13 Configure synthesized speech features. (P2) |  |  |  | Yes |  | 
            
                | 4.14 Choose style sheets. (P1) | Yes |  |  |  |  | 
            
                | Checkpoint | Completed | Almost Complete | Partially Implemented | Not Implemented | Comment | 
            
                | 5.1 No automatic content focus change. (P2) | Yes |  |  |  |  | 
            
                | 5.2 Keep viewport on top. (P2) | Yes |  |  |  |  | 
            
                | 5.3 Manual viewport open only. (P2) |  | Yes |  |  |  | 
            
                | 5.4 Selection and focus in viewport. (P2) | Yes |  |  |  |  | 
            
                | 5.5 Confirm form submission. (P2) |  |  | Yes |  |  | 
            
                | 6.1 Programmatic access to HTML/XML infoset. (P1) | Yes |  |  |  | I think it's depend on our atf work?? | 
            
                | 6.2 DOM access to HTML/XML content. (P1) | Yes |  |  |  | I think it's depend on our atf work?? | 
            
                | 6.3 Programmatic access to non-HTML/XML content. (P1) |  | Yes |  |  | atf implementation? such as XUL? | 
            
                | 6.4 Programmatic access to information about rendered
                content. (P1) | Yes |  |  |  | atf implementation? | 
            
                | 6.5 Programmatic operation of user agent user interface.
                (P1) |  | Yes |  |  |  | 
            
                | 6.6 Programmatic notification of changes. (P1) | Yes |  |  |  |  | 
            
                | 6.7 Conventional keyboard APIs. (P1) | Yes |  |  |  |  | 
            
                | 6.8 API character encodings. (P1) | Yes |  |  |  | atf implementation? | 
            
                | 6.9 DOM access to CSS style sheets. (P2) | Yes |  |  |  | atf implementation? | 
            
                | 6.10 Timely exchanges through APIs. (P2) | Yes |  |  |  |  | 
            
                | Checkpoint | Completed | Almost Complete | Partially Implemented | Not Implemented | Comment | 
            
                | 7.1 Respect focus and selection conventions. (P1) |  | Yes |  |  |  | 
            
                | 7.2 Respect input configuration conventions. (P1) |  | Yes |  |  | keyboard report | 
            
                | 7.3 Respect operating environment conventions. (P2) |  |  | Yes |  | such as Alt+Left arrow & Alt+right arrow
 | 
            
                | 7.4 Provide input configuration indications. (P2) |  |  | Yes |  |  | 
            
                | 8.1 Implement accessibility features. (P1) |  |  | Yes |  |  | 
            
                | 8.2 Conform to specifications. (P2) |  | Yes |  |  |  | 
            
                | 9.1 Provide content focus. (P1) | Yes |  |  |  |  | 
            
                | 9.2 Provide user interface focus. (P1) | Yes |  |  |  |  | 
            
                | 9.3 Move content focus. (P1) |  |  | Yes |  | currentlly move focus via Tab & Shift+Tab sequently | 
            
                | 9.4 Restore viewport state history. (P1) |  |  |  | Yes | bugzilla 36539 | 
            
                | 9.5 No events on focus change. (P2) |  |  | Yes |  |  | 
            
                | 9.6 Show event handlers. (P2) |  |  | Yes |  |  | 
            
                | 9.7 Move content focus in reverse. (P2) |  |  | Yes |  |  | 
            
                | 9.8 Provide text search. (P2) | Yes |  |  |  |  | 
            
                | 9.9 Allow structured navigation. (P2) |  |  | Yes |  |  | 
            
                | 9.10 Configure important elements. (P3) |  |  |  | Yes |  | 
            
                | Checkpoint | Completed | Almost Complete | Partially Implemented | Not Implemented | Comment | 
            
                | 10.1 Associate table cells and headers. (P1) |  |  | Yes |  |  | 
            
                | 10.2 Highlight selection, content focus, enabled elements,
                visited links.(P1) |  | Yes |  |  |  | 
            
                | 10.3 Single highlight configuration. (P2) |  | Yes |  |  |  | 
            
                | 10.4 Provide outline view. (P2) |  |  | Yes |  |  | 
            
                | 10.5 Provide link information. (P3) |  |  | Yes |  |  | 
            
                | 10.6 Highlight current viewport. (P1) |  | Yes |  |  |  | 
            
                | 10.7 Indicate viewport position. (P3) |  | Yes |  |  |  | 
            
                | 11.1 Current user input configuration. (P1) |  |  | Yes |  |  | 
            
                | 11.2 Current author input configuration. (P2) |  |  |  | Yes |  | 
            
                | 11.3 Allow override of bindings. (P2) |  |  |  | Yes | custom key binding | 
            
                | 11.4 Single-key access. (P2) |  |  |  | Yes |  | 
            
                | 11.5 Default input configuration. (P2) | Yes |  |  |  |  | 
            
                | 11.6 User profiles. (P2) |  |  | Yes |  | how to edit user.js by end user, low usability
 | 
            
                | 11.7 Tool bar configuration. (P3) |  |  | Yes |  |  | 
            
                | 12.1 Provide accessible documentation. (P1) |  |  | Yes |  | document related | 
            
                | 12.2 Document accessibility features. (P1) |  |  |  | Yes |  | 
            
                | 12.3 Document default bindings. (P1) |  |  |  | Yes |  | 
            
                | 12.4 Document changes between versions. (P2) |  |  |  | Yes |  | 
            
                | 12.5 Provide dedicated accessibility section. (P2) |  |  |  | Yes |  | 
            
                | Checkpoint | Completed | Almost Complete | Partially Implemented | Not Implemented | Comment |