What powers 
robertwaldinger.com?
Last seen Sep 2026 · 18 technologies across 14 categories
Analytics
CDN
CMS
Databases
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
SEO
Tag managers
Web servers
Webmail
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 54% desktop
- 46% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.32 / 10 · ranked #431,563 of all domains
177 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 13.4 MB · 30 requests
- WordPress theme: robert-waldinger · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on GoDaddy (107.180.113.255)
- DNS: Wix DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,235,037, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped ConvertKit Sep 2026
- dropped Bootstrap Jun 2026
- dropped Envoy Jun 2026
- dropped Google Cloud Jun 2026
- dropped Google Cloud CDN Jun 2026
- dropped HSTS Jun 2026
- dropped HTTP/3 Jun 2026
- dropped Lodash Jun 2026
- dropped Priority Hints Jun 2026
- dropped React Jun 2026
- dropped RSS Jun 2026
- dropped Sentry Jun 2026
- dropped Wix Jun 2026
- detected Apache HTTP Server May 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected ConvertKit May 2026
- detected Google Analytics May 2026
- detected Google Tag Manager May 2026
- detected jQuery May 2026
- detected jsDelivr May 2026
- detected Lenis May 2026
- detected Microsoft Clarity May 2026
- detected MySQL May 2026
- detected PHP May 2026
- detected Site Kit May 2026
- detected WordPress May 2026
- detected WP-Optimize May 2026
- detected Yoast SEO May 2026
- detected Envoy Apr 2026
- detected Google Workspace Apr 2026