Websites Powered by Virtuoso
31 websites tracked using Virtuoso (Databases) · virtuoso.openlinksw.com
Usage trend
2
4
6
8
Apr 2018
Aug 2020
Sep 2022
Sep 2024
Oct 2026
Domains observed using Virtuoso in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 8 in Aug 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.1 s
INP 50 ms
CLS 0
TTFB 1000 ms
Median site among 18 Virtuoso sites with Chrome UX data, p75 values, Sep 2026.
Top countries
India
14
United Kingdom
13
United States
13
Germany
12
Spain
12
France
12
Brazil
11
Canada
11
Sites using Virtuoso by audience country, Chrome UX Report.
Top sites by authority
9+
0% · 0 of 372 sites
8+
0% · 0 of 7,677 sites
7+
<1% · 3 of 45,712 sites
6+
<1% · 3 of 110,136 sites
5+
<1% · 4 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Virtuoso in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Virtuoso
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | dblp.org | 7.91/10 | 21,500 | 13,576 | Oct 2024 |
| 2 | openlinksw.com | 7.08/10 | 160 | 299 | Jan 2016 |
| 3 | aau.edu.et | 7.05/10 | 2,100 | 1,511 | Dec 2024 |
| 4 | uriburner.com | 5.78/10 | - | 1 | Aug 2022 |
| 5 | apk.dog | 2.88/10 | 140 | 2,347 | Apr 2026 |
| 6 | sparql.in | - | - | - | Dec 2025 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).