What powers callidus.cz?

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Google Analytics

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JavaScript libraries

FancyBox v3.5.7

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jQuery v3.7.1

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Select2

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Miscellaneous

Open Graph

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PWA

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RSS

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Payment processors

PayPal

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Performance

Priority Hints

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Programming languages

PHP

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Security

HSTS

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Tag managers

Google Tag Manager

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Web frameworks

Nette Framework

since Apr 2026

Web servers

Apache HTTP Server

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Webmail

Apple iCloud Mail

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