What powers 
raphkoster.com?
Last seen Oct 2026 · 23 technologies across 13 categories
Analytics
CDN
CMS
Cookie compliance
Databases
Ecommerce
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
WordPress plugins
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| game design | #8 | 130 |
| ganker meaning | #7 | 92 |
| star reach | #7 | 92 |
| connections game | #34 | 63 |
| raph | #15 | 26 |
| raph koster | #6 | 25 |
| activision blizzard company | #93 | 25 |
| monkey x | #4 | 21 |
| ganked meaning | #14 | 20 |
| theory of fun for game design raph koster | #3 | 17 |
| the thing video game | #53 | 17 |
| raph koster a theory of fun | #3 | 16 |
| retroarch cfg | #1 | 15 |
| theory of fun | #6 | 15 |
| does connections get harder throughout the week | #3 | 14 |
| zwinky | #60 | 14 |
| retroarch config | #1 | 12 |
| ludic fallacy | #5 | 12 |
| moore's wall | #6 | 11 |
| and the cat came back | #24 | 11 |
| pretties scott westerfeld | #25 | 11 |
| new formalism | #10 | 8 |
| word dad game | #3 | 7 |
| cost of games | #4 | 7 |
| connections review | #6 | 7 |
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.
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.87 / 10 · ranked #119,901 of all domains
396 referring domains · OpenPageRank
Search traffic
980 est. monthly organic visits (US)
1,307 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.8 MB · 52 requests
- WordPress theme: kadence · all themes
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Oct 2005 (21 years) via Bluehost Inc., renews Oct 2027
- Hosted on Cloudflare (104.21.62.98, IPv6)
- DNS: Cloudflare DNS
- Email: raphkoster.com
- Email security: SPF (neutral), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 454,584, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped Jetpack Jan 2026