Perceptual SpeedIndex - What, Why and is it necessary?

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Recently, a new paper was released about perceived performancee. This paper calls for a new way to measure the perception of speed with a tool called SpeedPerception. It proposes improvements to SpeedIndex for modeling the user’s perceived speed. The study was interesting and here’s my thoughts on it.

5 tools for DIY SEO Health Check

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SEO Analysis can appear to be quite difficult, especially if you are from a technical background and don’t have a lot of knowledge of marketing techniques. However, there are many aspects of SEO that ultimately boils down to a technical health check of your website. In this blog post, I want to cover 5 free tools & methods to get you started with some basic SEO health check.

Migrating Wordpress Blogs to GitHub Pages

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Mutual auth and Certificate Revocation

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Over the last few days, I have been working on mutual authentication / client certificates. While working on it, I learnt a few concepts around Certificate authentication and tools used to achive it. I thought it could be useful to others and wanted to share the same.

How to auto-upgrade to HTTPS (aka avoid mixed content)?

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Migrating to a full HTTPS site is hard. Using “Content-Security-Policy: upgrade-insecure-requests” can reduce the “mixed-content” errors for embedded objects. Finally, use Strict-Transport-Security header to secure the domain its sub-domains.