What powers pgcalc.com?
Last seen Jun 2026 · 44 technologies across 23 categories
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Google Analytics
since Apr 2019
HubSpot Analytics
since Feb 2021
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since Sep 2022
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since Mar 2025
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since Aug 2020
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Google Font API
since Nov 2021
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HubSpot Chat
since Mar 2025
Marketing automation
HubSpot
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Miscellaneous
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since Jun 2026
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PHP
since Apr 2019
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Apache HTTP Server
since Apr 2019
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Audience
- 100% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.94 / 10 · ranked #615,325 of all domains
81 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 800 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 3.9 MB · 220 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.pgcalc.com | 26 |
| www.pgcalc.com | 23 |
| info.pgcalc.com | 22 |
| giftwrap.pgcalc.com | 5 |
Full technology history →
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Recent changes
- detected CookieYes Oct 2025