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Section Pages No tags Needs* tags Editorial reviews Technical reviews Outdated pages Dev-doc-needed bugs Documentation requests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 120 n/a 47 (40%) 7 (6%) 29 (25%) 19 (16%) 8 (7%) 6 (5%)
API: Canvas 129 n/a 0 (0%) 4 (4%) 4 (4%) 2 (2%) 0 (0%) 0 (0%)
API: DOM 686 n/a 77 (12%) 47 (7%) 139 (21%) 99 (15%) 225 (33%) 50 (8%)
API: Device API 101 n/a 35 (35%) 7 (7%) 15 (15%) 13 (13%) 68 (68%) 3 (3%)
API: File API 35 n/a 2 (6%) 2 (6%) 3 (9%) 0 (0%) n/a 7 (20%)
API: Firefox OS APIs 29 n/a 4 (14%) 0 (0%) 2 (7%) 17 (59%) n/a n/a
API: HTML API 417 n/a 130 (32%) 14 (4%) 85 (21%) 86 (21%) 69 (17%) 16 (4%)
API: IndexedDB 104 n/a 2 (2%) 3 (3%) 6 (6%) 0 (0%) 3 (3%) 16 (16%)
API: SVG API 141 n/a 105 (75%) 1 (1%) 7 (5%) 2 (2%) n/a 5 (4%)
API: ServiceWorkers 120 n/a 7 (6%) 5 (5%) 14 (12%) 8 (7%) 3 (3%) n/a
API: Web Animations 46 n/a 0 (0%) 0 (0%) 1 (3%) 2 (5%) 14 (31%) 0 (0%)
API: WebAudio 216 n/a 3 (2%) 5 (3%) 48 (23%) 6 (3%) 10 (5%) 7 (4%)
API: WebCrypto 19 n/a 0 (0%) 2 (11%) 6 (32%) 0 (0%) n/a n/a
API: WebGL 278 n/a 1 (1%) 1 (1%) 7 (3%) 195 (71%) 0 (0%) n/a
API: WebRTC 276 n/a 19 (7%) 71 (26%) 92 (34%) 28 (11%) 23 (9%) 38 (14%)
API: WebSpeech 88 n/a 0 (0%) 0 (0%) 0 (0%) 2 (3%) n/a n/a
API: WebVR 103 n/a 0 (0%) 0 (0%) 0 (0%) 8 (8%) n/a n/a
API: WebWorkers 38 n/a 0 (0%) 0 (0%) 4 (11%) 0 (0%) 4 (11%) 5 (14%)
IntersectionObserver 30 n/a 4 (14%) 2 (7%) 5 (17%) 23 (77%) n/a n/a
Accessibility 245 1 (1%) 36 (15%) 5 (3%) 15 (7%) 207 (85%) 11 (5%) 7 (3%)
Addons 632 20 (4%) 0 (0%) 8 (2%) 28 (5%) 247 (40%) 55 (9%) 36 (6%)
WebExtensions 608 10 (2%) 0 (0%) 7 (2%) 23 (4%) 241 (40%) n/a n/a
Apps 89 2 (3%) 6 (7%) 3 (4%) 11 (13%) 62 (70%) 0 (0%) 1 (2%)
Archive 2374 589 (25%) 67 (3%) 8 (1%) 173 (8%) 1503 (64%) n/a n/a
CSS 897 25 (3%) 171 (20%) 76 (9%) 176 (20%) 36 (5%) 124 (14%) 52 (6%)
DevTools 186 113 (61%) 1 (1%) 4 (3%) 9 (5%) 1 (1%) 0 (0%) 27 (15%)
Events 362 148 (41%) 23 (7%) 8 (3%) 43 (12%) 97 (27%) n/a n/a
Firefox 164 18 (11%) 4 (3%) 5 (4%) 13 (8%) 0 (0%) n/a n/a
Game development 73 0 (0%) 4 (6%) 2 (3%) 9 (13%) 0 (0%) 4 (6%) n/a
Glossary 431 7 (2%) 16 (4%) 7 (2%) 49 (12%) 308 (72%) n/a n/a
Guide 30 1 (4%) 10 (34%) 1 (4%) 2 (7%) 13 (44%) n/a n/a
HTML documentation 208 0 (0%) 8 (4%) 20 (10%) 17 (9%) 3 (2%) 6 (3%) 34 (17%)
HTTP 202 2 (1%) 0 (0%) 20 (10%) 17 (9%) 67 (34%) 13 (7%) 7 (4%)
JavaScript 857 30 (4%) 0 (0%) 81 (10%) 85 (10%) 56 (7%) 0 (0%) 76 (9%)
Learning Area 267 3 (2%) 24 (9%) 27 (11%) 26 (10%) 34 (13%) n/a 21 (8%)
Getting started 9 0 (0%) 0 (0%) 1 (12%) 1 (12%) 0 (0%) n/a n/a
Localization 42 10 (24%) 0 (0%) 0 (0%) 3 (8%) 28 (67%) n/a 3 (8%)
MDN meta- 210 12 (6%) 4 (2%) 4 (2%) 8 (4%) 0 (0%) n/a 0 (0%)
MathML 40 0 (0%) 3 (8%) 0 (0%) 0 (0%) 5 (13%) 0 (0%) 2 (5%)
MozQA 108 26 (25%) 6 (6%) 2 (2%) 5 (5%) 78 (73%) 0 (0%) 142 (132%)
NSPR 362 8 (3%) 1 (1%) 0 (0%) 0 (0%) 358 (99%) n/a n/a
NSS 314 161 (52%) 4 (2%) 14 (5%) 73 (24%) 269 (86%) n/a n/a
SVG 312 6 (2%) 166 (54%) 12 (4%) 72 (24%) 92 (30%) 25 (9%) 24 (8%)
SpiderMonkey 551 9 (2%) 18 (4%) 5 (1%) 208 (38%) 520 (95%) 51 (10%) n/a
Thunderbird 117 39 (34%) 5 (5%) 3 (3%) 5 (5%) 56 (48%) 30 (26%) n/a
WebAssembly 10 0 (0%) 0 (0%) 1 (10%) 1 (10%) 0 (0%) 1 (10%) 0 (0%)
XPCOM 1275 307 (25%) 163 (13%) 1 (1%) 73 (6%) 1118 (88%) 22 (2%) n/a
XPath 55 1 (2%) 0 (0%) 0 (0%) 0 (0%) 2 (4%) n/a n/a
XSLT 55 6 (11%) 3 (6%) 0 (0%) 1 (2%) 13 (24%) n/a n/a
XUL 1209 77 (7%) 44 (4%) 1 (1%) 49 (5%) 492 (41%) 9 (1%) n/a
Total 15270 1631 1223 497 1662 6416 778 585

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: wbamberg, jswisher, h4nj4r, fscholz, Sheppy, teoli
Last updated by: wbamberg,