Add Expires headers

[XhmikosR]

Maybe also remove ETag while at it.

[XhmikosR]

@vladikoff: I have a couple more suggestions for the server. Can you CC whoever is in charge of maintaining the server?

[XhmikosR]

Also add cache busting for static files.

[XhmikosR]

/CC @aulvi for cache busting. Then we can increase the expires date and remove ETags.

[aulvi]

@XhmikosR How can I help?

[XhmikosR]

We need cache busting first and then you will need to bump the expires dates for static files.

…

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[XhmikosR]

@aulvi: As you can see from https://gtmetrix.com/compare/qKtQlfmm/JQKDpMBV, that is why we need expires date. Currently each static file is being served from our server because it doesn't have any cache header. The https change helped a bit due to http/2 but still it's slow as you can see.

[aulvi]

@XhmikosR Current nginx config simply acts as a reverse proxy to the node app.

Would it be possible for the node app to set the headers and manage the cache busting?

[XhmikosR]

@aulvi: I tried doing this on the Grunt side in https://github.com/gruntjs/gruntjs.com/compare/grunt-usemin

But it has some issues. If we could sort that out, we could just set the headers in Express.js.

Alternatively, we could add cache busting in Express.js but I'd rather do it in preprocess step.

[XhmikosR]

@aulvi: have you changed something on the nginx side to automatically add caste busting?

I see the static assets have a random hash appended to their filename, but Cloudflare doesn't cache them at all.

So, can you explain a little bit what is happening and if the main site is still being built from the master branch?

Thanks.

[XhmikosR]

Scratch my previous comment; I had accidentally sneaked in my grunt-usemin changes in master. Cleaned up the patches and forced pushed and made a new tag.

So this issue is still valid. :/