Speedy App: Frontend Performance Considerations

GET /nelm.io/pierreHTTP/1.1HOST: nelm.ioHTTP/1.1 200 OKContent-Type: text/html; charset=UTF-8Last-Modified: Wed, 23 Feb 2011 17:00:00 GTMContent-Length: 453

GET /nelm.io/pierreHTTP/1.1HOST: nelm.ioHTTP/1.1 200 OKContent-Type: text/html; charset=UTF-8Last-Modified: Thu, 30 Sep 2011 17:00:00 GTMContent-Length: 453

GET /nelm.io/pierreHTTP/1.1HOST: nelm.ioIf-Modified-Since: Thu, 30 Sep 2011 17:00:00 GTMHTTP/1.1 304 Not ModifiedContent-Type: text/html; charset=UTF-8Last-Modified: Wed, 23 Feb 2011 17:00:00 GTM

GET /nelm.io/pierreHTTP/1.1HOST: nelm.ioIf-Modified-Since: Thu, 30 Sep 2011 17:00:00 GTMHTTP/1.1 304 Not ModifiedContent-Type: text/html; charset=UTF-8Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM

HTTP/1.1 200 OKContent-Type: application/x-javascriptLast-Modified: Wed, 23 Feb 2011 17:23:32 GTMExpires: Wed, 23 Feb 2011 19:23:32 GTM

HTTP/1.1 200 OKContent-Type: application/x-javascriptLast-Modified: Thu, 30 Sep 2011 17:00:00 GTMExpires: Thu, 30 Sep 2011 21:00:00 GTM

HTTP/1.1 200 OKContent-Type: application/x-javascriptLast-Modified: Thu, 30 Sep 2011 17:00:00 GTMExpires: Thu, 30 Sep 2021 21:00:00 GTM

HTTP/1.1 200 OKContent-Type: application/x-javascriptLast-Modified: Thu, 30 Sep 2011 17:00:00 GTMCache-Control: max-age=315360000

<FilesMatch ".(gif|jpg|js|css)"> ExpiresDefault "access plus 10 years"</FilesMatch>

GET /nelm.io/pierreHTTP/1.1HOST: nelm.ioAccept-Encoding: gzip,deflateHTTP/1.1 200 OKContent-Type: text/html; charset=UTF-8Last-Modified: Thu, 30 Sep 2011 17:00:00 GTMContent-Length: 453Content-Encoding: gzip

HTTP/1.1 200 OKContent-Type: text/html; charset=UTF-8Last-Modified: Wed, 23 Feb 2011 17:00:00 GTMContent-Length: 453Content-Encoding: gzipVary: Accept-Encoding

HTTP/1.1 200 OKContent-Type: text/html; charset=UTF-8Last-Modified: Thu, 30 Sep 2011 17:00:00 GTMContent-Length: 453Content-Encoding: gzipVary: Accept-Encoding

As of February 2010, estimates of IE6sglobal market share ranged from 10-20%.Nonetheless, IE6 continues to maintain aplurality or even majority presence in thebrowser market of certain countries,notably China and South Korea. - Wikipedia

Vary: *Cache-Control: private

document.write

width: expression(document.body.clientWitdh < 600 ? “600px” : “auto”);min-width: 600px;

GET /nelm.io/foo.js GET /nelm.io/foo.jsHOST: nelm.io HOST: nelm.io If-Modified-Since: [...] If-None-Match: 10f24bc-4abHTTP/1.1 200 OK HTTP/1.1 304 Not ModifiedLast-Modified:[...]ETag: 10f24bc-4ab-457e1c1f

GET /nelm.io/foo.js GET /nelm.io/foo.jsHOST: nelm.io HOST: nelm.io If-Modified-Since: [...] If-None-Match: 10f24bc-4ab HTTP/1.1 304 Not ModifiedHTTP/1.1 200 OKETag: 10f24bc-4ab-457e1c1f

GET /nelm.io/foo.js GET /nelm.io/foo.jsHOST: nelm.io HOST: nelm.io If-None-Match: 10f24bc-4ab HTTP/1.1 304 Not ModifiedHTTP/1.1 200 OKETag: 10f24bc-4ab-457e1c1f

HTTP/1.1 200 OKETag: 10f24bc-4ab-457e1c1f

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Speedy App: Frontend Performance Considerations

by Pierre Spring on Mar 01, 2011

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Speedy App: Frontend Performance Considerations — Presentation Transcript