What powers bookofconcord.org?
Last seen Jun 2026 · 7 technologies across 5 categories
CDN
Cloudflare
since Aug 2018
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Security
HSTS
since Sep 2022
Static site generator
Web servers
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| augsburg confession | #1 | 880 |
| book of concord | #1 | 730 |
| luther's small catechism | #2 | 710 |
| the augsburg confession | #2 | 390 |
| luther's large catechism | #1 | 150 |
| the book of concord | #1 | 54 |
| lutheran confessions online | #2 | 28 |
| luther's small catechism pdf free download | #2 | 28 |
| formula of concord | #3 | 25 |
| formula of concord | #3 | 25 |
| lutheran book of concord | #2 | 23 |
| the large catechism | #1 | 22 |
| book of concord pdf | #3 | 17 |
| smalcald articles | #4 | 17 |
| what is augsburg confession | #5 | 10 |
| catechism online | #35 | 8 |
| confutation | #11 | 7 |
| lutheran ten commandments | #12 | 7 |
| book of concord | #21 | 6 |
| unaltered augsburg confession | #4 | 6 |
| book of concord | #53 | 5 |
| the augsburg confession | #24 | 5 |
| the sacrament of the altar | #4 | 5 |
| the sacrament of the altar | #4 | 5 |
| small catechism online | #2 | 5 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 56% phone
- 44% desktop
United States
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.60 / 10 · ranked #146,479 of all domains
170 referring domains · OpenPageRank
Search traffic
3,200 est. monthly organic visits (US)
168 keywords in Google's top 30
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| bookofconcord.org | 7 |
| www.bookofconcord.org | 6 |