What powers 
realesaletter.com?
Last seen Oct 2026 · 19 technologies across 13 categories
Analytics
CDN
JavaScript libraries
Live chat
Miscellaneous
PaaS
Payment processors
Programming languages
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Restricts 11 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Applebot-Extended Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
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 22 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
11 of 33 AI crawlers restricted
Standards: llms.txt, Content Signals
Audience
- 54% phone
- 46% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #342,076 of all domains
164 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Incapsula
- Weight: 2.4 MB · 74 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Jan 2019 (7 years) via GoDaddy.com, LLC, renews Jan 2027
- Hosted on Imperva (Incapsula) (45.60.22.135)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 149,822, 5 hosts
- Verified with: GlobalSign
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 →
Report an incorrect detection
Recent changes
- detected PWA Sep 2026
- dropped Priority Hints Aug 2026
- dropped Swiper Aug 2026
- detected Imperva Jul 2026
- detected Amazon Web Services May 2026
- detected Priority Hints Apr 2026
- detected Tailwind CSS Apr 2026
- dropped Nginx Jan 2026
- detected Open Graph Jan 2026
- dropped Ubuntu Jan 2026
- detected Apache HTTP Server Dec 2025