refractiveindex.info
A free, searchable database providing refractive indices and related data for various materials, sourced from… 🔗
#382,523
Global Rankeez rank — last updated 01 Nov 2026
Better than 99.6% of the 100,511,422 domains we track
Best rank recorded
#382,523
2026-11
Worst rank recorded
#413,931
2026-08
Tracked since
2026-07
4 monthly snapshots
Source breakdown
Rankeez combines several independent public rankings. Here's how refractiveindex.info scores in each:
| Source | Rank |
|---|---|
| Tranco (research-grade ranking, resistant to manipulation) | #896,149 |
| Majestic Million (ranked by referring subnets) | #284,079 |
| CommonCrawl (hyperlink graph) | #408,696 |
See how these sources are combined and cross-validated →
Ranking history
refractiveindex.info's rank across 4 monthly snapshots. ▲ improved by 28,546 since 2026-07
| Month | Rank |
|---|---|
| 2026-07 | #411,069 |
| 2026-08 | #413,931 |
| 2026-10 | #387,628 |
| 2026-11 | #382,523 |
JSON API
{
"refractiveindex.info": 382523,
"history": {
"2026-07": 411069,
"2026-08": 413931,
"2026-10": 387628,
"2026-11": 382523
}
}
GET https://rankeez.com/api/refractiveindex.info.json · see API docs →