Our objective is to document the whole Open Web as well as Mozilla technologies. The table below provides an overview of our progress, as well as links to additional details. If you're just getting started as a contributor, check out our getting started guide.

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Section Pages No tags Needs* tags Editorial reviews Technical reviews Outdated pages Dev-doc-needed bugs Documentation requests
API: CSSOM 122 n/a 58 (48%) 4 (4%) 17 (14%) 39 (32%) 6 (5%) 6 (5%)
API: Canvas 128 n/a 0 (0%) 1 (1%) 7 (6%) 7 (6%) 0 (0%) 0 (0%)
API: DOM 662 n/a 130 (20%) 9 (2%) 100 (16%) 223 (34%) 222 (34%) 46 (7%)
API: Device API 101 n/a 36 (36%) 7 (7%) 9 (9%) 16 (16%) 74 (74%) 2 (2%)
API: File API 35 n/a 3 (9%) 1 (3%) 3 (9%) 7 (20%) n/a 3 (9%)
API: Firefox OS APIs 29 n/a 4 (14%) 0 (0%) 2 (7%) 20 (69%) n/a n/a
API: HTML API 410 n/a 153 (38%) 10 (3%) 59 (15%) 82 (20%) 67 (17%) 10 (3%)
API: IndexedDB 104 n/a 2 (2%) 2 (2%) 8 (8%) 4 (4%) 3 (3%) 16 (16%)
API: SVG API 142 n/a 136 (96%) 1 (1%) 8 (6%) 5 (4%) n/a 4 (3%)
API: ServiceWorkers 120 n/a 7 (6%) 6 (5%) 9 (8%) 3 (3%) 2 (2%) n/a
API: Web Animations 40 n/a 0 (0%) 1 (3%) 1 (3%) 16 (40%) 10 (25%) 0 (0%)
API: WebAudio 211 n/a 4 (2%) 2 (1%) 50 (24%) 0 (0%) 1 (1%) 5 (3%)
API: WebCrypto 20 n/a 0 (0%) 1 (5%) 3 (15%) 0 (0%) n/a n/a
API: WebGL 277 n/a 0 (0%) 2 (1%) 0 (0%) 2 (1%) 1 (1%) n/a
API: WebRTC 201 n/a 11 (6%) 9 (5%) 30 (15%) 75 (38%) 22 (11%) 35 (18%)
API: WebSpeech 88 n/a 0 (0%) 0 (0%) 0 (0%) 49 (56%) n/a n/a
API: WebVR 104 n/a 0 (0%) 0 (0%) 0 (0%) 12 (12%) n/a n/a
API: WebWorkers 38 n/a 1 (3%) 0 (0%) 4 (11%) 2 (6%) 4 (11%) 4 (11%)
IntersectionObserver 30 n/a 4 (14%) 2 (7%) 3 (10%) 0 (0%) n/a n/a
Accessibility 244 0 (0%) 37 (16%) 0 (0%) 12 (5%) 210 (87%) 11 (5%) 3 (2%)
Addons 654 33 (6%) 7 (2%) 15 (3%) 42 (7%) 199 (31%) 55 (9%) 30 (5%)
Apps 103 2 (2%) 8 (8%) 3 (3%) 12 (12%) 75 (73%) 0 (0%) 1 (1%)
Archive 2199 549 (25%) 53 (3%) 5 (1%) 229 (11%) 775 (36%) n/a n/a
CSS 816 0 (0%) 247 (31%) 34 (5%) 73 (9%) 6 (1%) 106 (13%) 40 (5%)
DevTools 183 116 (64%) 1 (1%) 6 (4%) 7 (4%) 102 (56%) 79 (44%) 16 (9%)
Events 370 164 (45%) 25 (7%) 2 (1%) 38 (11%) 210 (57%) n/a n/a
Firefox 159 18 (12%) 4 (3%) 3 (2%) 9 (6%) 76 (48%) n/a n/a
Game development 73 0 (0%) 4 (6%) 1 (2%) 5 (7%) 45 (62%) 2 (3%) n/a
Glossary 411 2 (1%) 16 (4%) 2 (1%) 38 (10%) 288 (71%) n/a n/a
Guide 25 1 (4%) 10 (40%) 1 (4%) 1 (4%) 14 (57%) n/a n/a
HTML documentation 204 0 (0%) 16 (8%) 7 (4%) 20 (10%) 2 (1%) 6 (3%) 27 (14%)
HTTP 193 0 (0%) 0 (0%) 34 (18%) 8 (5%) 3 (2%) 12 (7%) 5 (3%)
JavaScript 883 1 (1%) 0 (0%) 11 (2%) 18 (3%) 24 (3%) 0 (0%) 60 (7%)
Learning Area 243 1 (1%) 24 (10%) 5 (3%) 9 (4%) 34 (14%) n/a 16 (7%)
Getting started 9 0 (0%) 0 (0%) 3 (34%) 2 (23%) 0 (0%) n/a n/a
Localization 39 10 (26%) 0 (0%) 0 (0%) 1 (3%) 26 (67%) n/a 3 (8%)
MDN meta- 198 9 (5%) 3 (2%) 3 (2%) 5 (3%) 84 (43%) n/a 0 (0%)
Marketplace 10 0 (0%) 0 (0%) 0 (0%) 1 (10%) 8 (80%) n/a 1 (10%)
MathML 40 0 (0%) 3 (8%) 0 (0%) 0 (0%) 31 (78%) 0 (0%) 2 (5%)
MozQA 108 27 (25%) 4 (4%) 0 (0%) 4 (4%) 94 (88%) 0 (0%) 95 (88%)
NSPR 362 8 (3%) 1 (1%) 0 (0%) 0 (0%) 358 (99%) n/a n/a
NSS 304 151 (50%) 4 (2%) 13 (5%) 64 (22%) 250 (83%) n/a n/a
SVG 306 0 (0%) 235 (77%) 4 (2%) 31 (11%) 183 (60%) 23 (8%) 19 (7%)
SpiderMonkey 551 9 (2%) 18 (4%) 4 (1%) 208 (38%) 516 (94%) 55 (10%) n/a
Thunderbird 115 38 (34%) 5 (5%) 1 (1%) 5 (5%) 63 (55%) 30 (27%) n/a
WebAssembly 9 0 (0%) 0 (0%) 2 (23%) 0 (0%) 0 (0%) 0 (0%) 0 (0%)
XPCOM 1273 307 (25%) 165 (13%) 0 (0%) 72 (6%) 1244 (98%) 22 (2%) n/a
XPath 55 1 (2%) 0 (0%) 1 (2%) 0 (0%) 51 (93%) n/a n/a
XSLT 55 6 (11%) 3 (6%) 0 (0%) 1 (2%) 47 (86%) n/a n/a
XUL 1207 78 (7%) 44 (4%) 0 (0%) 47 (4%) 1177 (98%) 5 (1%) n/a
Total 14263 1531 1486 218 1275 6757 818 449

Legend:

  • Red: More than 10% of pages in this area need help with this specific task (such as editorial reviews, etc., see at the top of the table).
  • Yellow: 5%-10% of pages in this area need help with this specific task.
  • Green: Only less than 5% of pages in this area need help with specific task.

Document Tags and Contributors

 Contributors to this page: jswisher, h4nj4r, fscholz, Sheppy, teoli
 Last updated by: jswisher,