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Section Pages No tags Needs* tags Editorial reviews Technical reviews Outdated pages Dev-doc-needed bugs Documentation requests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 151 n/a 39 (26%) 34 (23%) 55 (37%) 3 (2%) 8 (6%) 5 (4%)
API: Canvas 132 n/a 0 (0%) 4 (4%) 3 (3%) 10 (8%) 0 (0%) 0 (0%)
API: Device API 100 n/a 34 (34%) 7 (8%) 16 (16%) 10 (10%) 68 (68%) 2 (2%)
API: File API 35 n/a 2 (6%) 4 (12%) 5 (15%) 5 (15%) n/a 6 (18%)
API: Firefox OS APIs 20 n/a 4 (20%) 1 (5%) 2 (10%) 8 (40%) n/a n/a
API: HTML API 446 n/a 117 (27%) 54 (13%) 126 (29%) 9 (3%) 74 (17%) 11 (3%)
API: IndexedDB 105 n/a 2 (2%) 3 (3%) 9 (9%) 0 (0%) 4 (4%) 16 (16%)
API: Intersection Observer 30 n/a 4 (14%) 2 (7%) 5 (17%) 23 (77%) n/a n/a
API: SVG API 148 n/a 112 (76%) 8 (6%) 13 (9%) 3 (3%) n/a 5 (4%)
API: ServiceWorkers 121 n/a 7 (6%) 5 (5%) 17 (15%) 0 (0%) 3 (3%) n/a
API: Web Animations 46 n/a 0 (0%) 1 (3%) 0 (0%) 14 (31%) 11 (24%) 0 (0%)
API: WebAudio 221 n/a 4 (2%) 10 (5%) 45 (21%) 84 (39%) 7 (4%) 5 (3%)
API: WebCrypto 36 n/a 0 (0%) 0 (0%) 5 (14%) 0 (0%) n/a n/a
API: WebGL 293 n/a 2 (1%) 4 (2%) 9 (4%) 216 (74%) 1 (1%) n/a
API: WebRTC 319 n/a 21 (7%) 106 (34%) 127 (40%) 57 (18%) 27 (9%) 18 (6%)
API: WebSpeech 88 n/a 0 (0%) 0 (0%) 1 (2%) 0 (0%) n/a n/a
API: WebVR 103 n/a 0 (0%) 0 (0%) 0 (0%) 71 (69%) n/a n/a
API: WebWorkers 38 n/a 0 (0%) 1 (3%) 5 (14%) 3 (8%) 5 (14%) 3 (8%)
Accessibility 270 2 (1%) 35 (13%) 17 (7%) 25 (10%) 180 (67%) 11 (5%) 3 (2%)
Addons 652 6 (1%) 5 (1%) 13 (2%) 15 (3%) 266 (41%) 47 (8%) 34 (6%)
WebExtensions 627 0 (0%) 5 (1%) 11 (2%) 10 (2%) 261 (42%) n/a n/a
Apps 6 1 (17%) 1 (17%) 0 (0%) 0 (0%) 3 (50%) 0 (0%) 0 (0%)
Archive 2421 583 (25%) 75 (4%) 12 (1%) 178 (8%) 4 (1%) n/a n/a
CSS 990 22 (3%) 126 (13%) 129 (14%) 220 (23%) 131 (14%) 118 (12%) 39 (4%)
DevTools 160 80 (50%) 1 (1%) 10 (7%) 17 (11%) 0 (0%) 0 (0%) 32 (20%)
Developer phone guide 983 25 (3%) 13 (2%) 5 (1%) 124 (13%) 12 (2%) n/a n/a
Events 377 122 (33%) 37 (10%) 19 (6%) 56 (15%) 224 (60%) n/a n/a
Firefox 178 19 (11%) 4 (3%) 10 (6%) 15 (9%) 0 (0%) n/a n/a
Game development 73 0 (0%) 4 (6%) 1 (2%) 12 (17%) 0 (0%) 3 (5%) n/a
Glossary 445 3 (1%) 16 (4%) 4 (1%) 50 (12%) 313 (71%) n/a n/a
Guide 31 0 (0%) 11 (36%) 1 (4%) 1 (4%) 16 (52%) n/a n/a
HTML documentation 228 10 (5%) 6 (3%) 34 (15%) 35 (16%) 25 (11%) 6 (3%) 22 (10%)
HTTP 234 0 (0%) 3 (2%) 44 (19%) 36 (16%) 77 (33%) 13 (6%) 10 (5%)
JavaScript 878 0 (0%) 2 (1%) 99 (12%) 97 (12%) 365 (42%) 0 (0%) 66 (8%)
Learning Area 240 0 (0%) 17 (8%) 11 (5%) 24 (10%) 40 (17%) n/a 16 (7%)
Getting started 9 0 (0%) 0 (0%) 0 (0%) 3 (34%) 0 (0%) n/a n/a
Localization 42 10 (24%) 0 (0%) 0 (0%) 1 (3%) 35 (84%) n/a 5 (12%)
MDN meta- 220 4 (2%) 5 (3%) 5 (3%) 8 (4%) 0 (0%) n/a 0 (0%)
Marketplace 10 0 (0%) 0 (0%) 0 (0%) 1 (10%) 0 (0%) n/a n/a
MathML 40 0 (0%) 3 (8%) 0 (0%) 0 (0%) 4 (10%) 0 (0%) 2 (5%)
MozQA 107 25 (24%) 6 (6%) 2 (2%) 4 (4%) 86 (81%) 0 (0%) 143 (134%)
NSPR 362 8 (3%) 1 (1%) 0 (0%) 0 (0%) 360 (100%) n/a n/a
NSS 324 162 (50%) 4 (2%) 18 (6%) 81 (25%) 285 (88%) n/a n/a
SVG 313 6 (2%) 159 (51%) 11 (4%) 69 (23%) 95 (31%) 24 (8%) 23 (8%)
SpiderMonkey 551 7 (2%) 18 (4%) 5 (1%) 207 (38%) 472 (86%) 58 (11%) n/a
Thunderbird 118 36 (31%) 6 (6%) 5 (5%) 17 (15%) 82 (70%) 31 (27%) n/a
WebAssembly 12 0 (0%) 0 (0%) 2 (17%) 3 (25%) 0 (0%) 0 (0%) 0 (0%)
XPCOM 1274 306 (25%) 163 (13%) 1 (1%) 74 (6%) 1195 (94%) 22 (2%) n/a
XPath 56 0 (0%) 1 (2%) 2 (4%) 2 (4%) 44 (79%) n/a n/a
XSLT 54 0 (0%) 5 (10%) 2 (4%) 0 (0%) 8 (15%) n/a n/a
Total 14717 1437 1080 717 1828 5099 541 466

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