What powers telescopengineering.com?
Last seen Sep 2026 · 24 technologies across 11 categories
Ecommerce
Font scripts
Hosting
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Security
UI frameworks
Web frameworks
Web servers
AI Crawlers
Blocks 7 of 33 AI crawlers we track by name in its robots.txt, restricts 6 more. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 20 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
Content Signals:
search=yes ai-train=no ai-input=yes declared in robots.txt
- Oct 2026 oai-searchbot added to robots.txt
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 Content Signals changed
- Oct 2026 anthropic-ai added to robots.txt
AI Crawlers
7 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 56% desktop
- 44% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.78 / 10 · ranked #4,454,563 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| CLS | 0.1 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 3.6 MB · 61 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- TEC Telescopes | Premium Apochromatic Refractors
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on AS62943-BLUEBIRD-NETWORK (64.111.48.42)
- DNS: GoDaddy DNS
- Email: no MX record returned
- Email security: DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 921,635, 2 hosts
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
- detected HSTS Jun 2026