# Top Reference Websites in United Kingdom
The top 10 most visited reference websites in United Kingdom by Ahrefs organic search traffic estimates. Updated monthly.
July 2025
| Rank | Website | Search traffic | ||
|---|---|---|---|---|
| 1 | wikipedia.org | 228M | −23M | |
| 2 | ↑7 | merriam-webster.com | 4.2M | −350K |
| 3 | quora.com | 4.1M | −171K | |
| 3 | quora.com | 4.1M | −171K |
## Top Trending Websites
Websites that changed positions within the top 10 rankings in July 2025.
Trending up
#35
mayoclinic.org
↑23
#98
hm.com
↑16
#83
sportinglife.com
↑14
#64
nih.gov
↑9
#76
bt.com
↑9
↑9
#100
superdrug.com
↑9
#46
screwfix.com
↑8
↑7
#77
express.co.uk
↑6
Trending down
#96
accuweather.com
↓12
#52
linkedin.com
↓8
#44
tui.co.uk
↓7
#82
britannica.com
↓7
#86
webmd.com
↓7
#56
thetrainline.com
↓6
#69
halfords.com
↓6
#71
nike.com
↓6
#99
theaa.com
↓6
#79
twitter.com
↓5