# Top Science Websites in Japan
The top 10 most visited science websites in Japan by Ahrefs organic search traffic estimates. Updated monthly.
August 2025
| Rank | Website | Search traffic | ||
|---|---|---|---|---|
| 1 | tenki.jp |
42.2M
+3.7M
|
+3.7M | |
| 2 | weathernews.jp |
37.3M
+8.2M
|
+8.2M | |
| 3 | openai.com |
23.4M
-844K
|
-844K | |
| 4 | jma.go.jp |
16.8M
+7.3M
|
+7.3M | |
| 5 | kegg.jp |
6.4M
-8.3K
|
-8.3K | |
| 6 | earth.jp |
2.1M
-22.6K
|
-22.6K | |
| 7 | rad-ar.or.jp |
1.7M
-60K
|
-60K | |
| 8 | mtgec.jp |
1.6M
+10.9K
|
+10.9K | |
| 9 | jst.go.jp |
1.4M
+26K
|
+26K | |
| 10 | ↑2 | n-kishou.co.jp |
1.2M
+216.3K
|
+216.3K |
## Top Trending Websites
Websites that changed positions within the top 100 rankings in August 2025.
Trending up
#10
n-kishou.co.jp
↑2
#1
tenki.jp
#3
openai.com
#4
jma.go.jp
#5
kegg.jp
#6
earth.jp
#7
rad-ar.or.jp
#8
mtgec.jp
#9
jst.go.jp
Trending down
#1
tenki.jp
#3
openai.com
#4
jma.go.jp
#5
kegg.jp
#6
earth.jp
#7
rad-ar.or.jp
#8
mtgec.jp
#9
jst.go.jp
#10
n-kishou.co.jp