What powers 
simpsongrierson.com?
Last seen Oct 2026 · 16 technologies across 10 categories
Analytics
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
UI frameworks
Webmail
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
The other 24 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 67% desktop
- 33% phone
New Zealand
Australia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #808,704 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.5 MB · 46 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: sitehost.co.nz
- Email: Mimecast
- Email security: SPF, DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 2,285,876, 6 hosts
- Verified with: 1Password, Apple Business, Atlassian, DocuSign, Google, Microsoft 365, OpenAI, Slack
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Priority Hints Oct 2026
- detected Google Tag Manager Feb 2026