What powers derekbruff.org?
Last seen Jun 2026 · 21 technologies across 16 categories
Affiliate programs
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| letters from zodiac killer | #3 | 430 |
| educause learning initiative | #93 | 100 |
| zodiac cipher | #7 | 61 |
| zodiac killer messages | #1 | 60 |
| pen cipher | #42 | 31 |
| zodiac killer notes | #7 | 23 |
| the zodiac killer codes | #1 | 21 |
| the zodiac killer letters | #4 | 20 |
| zodiac symbols killer | #2 | 15 |
| zodiac message | #2 | 15 |
| cryptography movie | #18 | 15 |
| zodiac killer codes | #2 | 12 |
| zodiac killer symbols | #2 | 9 |
| zodiac killer letters and ciphers | #1 | 9 |
| zodiac killer encrypted messages | #1 | 9 |
| zodiac killer cipher message | #3 | 9 |
| zodiac code letters | #1 | 9 |
| the zodiac killer messages | #1 | 9 |
| how many ciphers did the zodiac killer send | #1 | 9 |
| zodiac cryptography | #2 | 8 |
| all zodiac ciphers | #5 | 8 |
| zodiac killer writing | #4 | 7 |
| the purple machine | #2 | 6 |
| what is mastery test | #4 | 6 |
| the zodiac killer code | #4 | 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
- 70% desktop
- 30% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.30 / 10 · ranked #199,375 of all domains
147 referring domains · OpenPageRank
Search traffic
1,100 est. monthly organic visits (US)
542 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.9 MB · 46 requests
- WordPress theme: pinboard · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- detected ConvertKit Jun 2026
- dropped Cloudflare Jan 2026
- dropped Cloudflare Bot Management Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025