Category Archives: Web

View the TLS Certificate Details of a Website on the Command Line Using GnuTLS

Last updated on December 27, 2023

With GnuTLS, we can view the certificate details of a website with the following commands (replace "" with the website of your interest):

gnutls-cli --print-cert < /dev/null | certtool --certificate-info

In the command above, gnutls-cli --print-cert < /dev/null prints the certificate of the website in PEM format to the standard output. Its output is then sent as the standard input to certtool --certificate-info, which prints information on the given certificate.

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5 Misconceptions Web Developers Believe About Mobile App Development

Last updated on October 29, 2020

Mobile apps have emerged as a competitive alternative to websites. Although websites are still irreplaceable parts of digital presence for business brands, mobile apps have been forcing them to change. The emergence of Progressive Web Apps (PWA) showcases this shift.

In spite of this overwhelming popularity of mobile apps, many web developers still hesitate to improve their skills and extend their focus on mobile app development. What misconceptions the web developers mostly harbor regarding app development? Well, this is what we are going to explain here.

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Optimization for Mobile: A Pair Programming Story at FullStackLA

Last updated on October 1, 2016

Recently, I had the opportunity to pair with two fantastic developers: Ben @benjaminma and Ian @IanDCarroll at FullStackLA. This was also my first time at FullStackLA and it was great experience.

Ian had been working on a static website which lists and displays all the local meetups in Los Angeles. The challenge was simple: improve the website to look better on a mobile phone.

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