Project Sidewalk

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Project Sidewalk

Join Project Sidewalk

Map sidewalks. Help make your city accessible to everyone.

3–30 characters — letters, numbers, hyphens, and underscores

Pick a nickname — you don't have to use your real name. It's shown publicly on the leaderboard and your profile, and you can change it anytime.

  • At least 8 characters
  • One uppercase letter
  • One lowercase letter
  • One number
Passwords match

Leaderboard

Every label makes sidewalks more accessible and safe for everyone. Here's how the community is doing.

Keelung so far

Contributors
42
Labels placed
7,487
Validations
24,238
Streets explored
17 km

Across all 60 Project Sidewalk cities, the community has contributed 1,731,110 labels and 2,472,733 validations. See community impact

Want to see where you rank? Create a free account to track your labels, earn badges and trophies, and climb the board.

Top of the board

Keelung's all-time leaders. 🏆

1,253 labels
2nd place
1,503 labels
1st place
660 labels
3rd place

Keelung all-time

The top all-time mappers in Keelung ranked by overall score.

How is the ranking computed?
Rank is an overall score that rewards a balance of labels placed, distance explored, and label accuracy — so steady, high-quality mapping counts for more than sheer volume. That's why the label counts below aren't in strict order. (The weekly and team boards use the same score.)
#MapperLabelsMissionsDistance Accuracy
1 吳姿瑩 1,503 392 15.5 km 82%
2 陳弘勳 1,253 157 16.7 km 80%
3 楊舜名 660 223 14.8 km 83%
4 邱俊治 619 487 16.5 km 78%
5 asass1122 875 154 7.7 km 61%
6 陳秀花 379 376 16.4 km 60%
7 汪佳昕 362 52 10.0 km 62%
8 高浚荃 323 44 4.9 km 58%
9 Tin Yong 223 56 4.1 km 68%
10 王盈文 532 288 16.4 km 33%

Keelung this week

Fresh every Monday — the best place to climb fast.

✨ No labels yet this week — be the first on the board!

Teams in Keelung

Create or join a team to make a difference together!

👥 No teams yet — be the first! Create one and invite friends or classmates.

All cities, all-time

The top mappers across every Project Sidewalk city, ranked by total labels.

#Mapper Top city LabelsMissionsDistance Accuracy
1 DW St. Louis 58,604 4342 784.6 km 97%
2 alysal Gainesville 14,887 2090 319.2 km 94%
3 john_seattle Seattle 14,777 3660 453.0 km 90%
4 Caely Danville 14,453 1078 150.5 km 95%
5 KiraI Knox County 12,925 751 84.1 km 88%
6 swaechter Chicago 11,114 1077 121.3 km 93%
7 sk Seattle 10,213 898 134.7 km 91%
8 Snowman0513 Walla Walla 10,154 1821 205.6 km 95%
9 wackylama DC 9,789 433 196.0 km 89%
10 matthew.luebke Teaneck 7,882 1489 192.0 km 98%

Distance is refreshed once a day.

Community impact

The whole Project Sidewalk community, across every city.

18,632Contributors
1,731,110Labels placed
2,472,733Validations
38,494 kmStreets explored
60Cities