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.

How can CDN help in your SEO efforts?

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CDN can help in more than just improving site-speed for SEO. It can aid in better targeting, mobile friendliness, domain authority and more. Read about where CDNs are of use for your SEO efforts.

What metrics matter for SEO?

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Google is very nuanced in the way it handles the Site speed. It appears to rely on some combination of TTFB coupled with rendering metric like Time to first paint / start render or DomInteractive. However, it is very hard to find the exact metric. So focus on delivering the best performance to user and Google will automatically rank you well!