Speedy App: Frontend Performance Considerations
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The document contains a series of HTTP request and response logs for the URL nelm.io/pierre and nelm.io/foo.js, showing various status codes and content types. It indicates multiple 200 OK responses for requests, suggesting successful data retrieval and includes cache-control directives. Additionally, it highlights the presence of Internet Explorer 6 in the global browser market, particularly in countries like China and South Korea.
![GET /nelm.io/foo.js GET /nelm.io/foo.js
HOST: nelm.io HOST: nelm.io
If-Modified-Since: [...]
If-None-Match: 10f24bc-4ab
HTTP/1.1 200 OK HTTP/1.1 304 Not Modified
Last-Modified:[...]
ETag: 10f24bc-4ab-457e1c1f](https://image.slidesharecdn.com/sflive2011-ps1-110301204656-phpapp02/85/Speedy-App-Frontend-Performance-Considerations-121-320.jpg)
![GET /nelm.io/foo.js GET /nelm.io/foo.js
HOST: nelm.io HOST: nelm.io
If-Modified-Since: [...]
If-None-Match: 10f24bc-4ab
HTTP/1.1 304 Not Modified
HTTP/1.1 200 OK
ETag: 10f24bc-4ab-457e1c1f](https://image.slidesharecdn.com/sflive2011-ps1-110301204656-phpapp02/85/Speedy-App-Frontend-Performance-Considerations-122-320.jpg)
Speedy App: Frontend Performance Considerations
- 14. GET /nelm.io/pierre HTTP/1.1 HOST: nelm.io HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Last-Modified: Wed, 23 Feb 2011 17:00:00 GTM Content-Length: 453
- 15. GET /nelm.io/pierre HTTP/1.1 HOST: nelm.io HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Content-Length: 453
- 16. GET /nelm.io/pierre HTTP/1.1 HOST: nelm.io HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Content-Length: 453
- 17. GET /nelm.io/pierre HTTP/1.1 HOST: nelm.io If-Modified-Since: Thu, 30 Sep 2011 17:00:00 GTM HTTP/1.1 304 Not Modified Content-Type: text/html; charset=UTF-8 Last-Modified: Wed, 23 Feb 2011 17:00:00 GTM
- 18. GET /nelm.io/pierre HTTP/1.1 HOST: nelm.io If-Modified-Since: Thu, 30 Sep 2011 17:00:00 GTM HTTP/1.1 304 Not Modified Content-Type: text/html; charset=UTF-8 Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM
- 28. <img src="data:image/gif;base64,R0lGODlhEAAOALMAAOazToeH h0tLS/7LZv/0jvb29t/f3//Ub//ge8WSLf/rhf/3kdbW1mxsbP/ 5UUde0ECwLJoExKcppV0aCcGCmTIHEIUEqjgaORCMxIC6e0Ccgu Ww6aFjsVMkkIr7g77ZKPJjPZqIyd7sJAgVGoEGv2xsBxqNgYPj" width="16" height="14" alt="Play">
- 36. HTTP/1.1 200 OK Content-Type: application/x-javascript Last-Modified: Wed, 23 Feb 2011 17:23:32 GTM Expires: Wed, 23 Feb 2011 19:23:32 GTM
- 37. HTTP/1.1 200 OK Content-Type: application/x-javascript Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Expires: Thu, 30 Sep 2011 21:00:00 GTM
- 38. HTTP/1.1 200 OK Content-Type: application/x-javascript Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Expires: Thu, 30 Sep 2021 21:00:00 GTM
- 41. HTTP/1.1 200 OK Content-Type: application/x-javascript Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Cache-Control: max-age=315360000
- 42. HTTP/1.1 200 OK Content-Type: application/x-javascript Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Cache-Control: max-age=315360000
- 43. HTTP/1.1 200 OK Content-Type: application/x-javascript Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Cache-Control: max-age=315360000
- 46. <FilesMatch ".(gif|jpg|js|css)"> ExpiresDefault "access plus 10 years" </FilesMatch>
- 52. GET /nelm.io/pierre HTTP/1.1 HOST: nelm.io Accept-Encoding: gzip,deflate HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Content-Length: 453 Content-Encoding: gzip
- 64. HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Last-Modified: Wed, 23 Feb 2011 17:00:00 GTM Content-Length: 453 Content-Encoding: gzip Vary: Accept-Encoding
- 65. HTTP/1.1 200 OK Content-Type: text/html; charset=UTF-8 Last-Modified: Thu, 30 Sep 2011 17:00:00 GTM Content-Length: 453 Content-Encoding: gzip Vary: Accept-Encoding
- 68. As of February 2010, estimates of IE6's global market share ranged from 10-20%. Nonetheless, IE6 continues to maintain a plurality or even majority presence in the browser market of certain countries, notably China and South Korea. - Wikipedia
- 86. document.write
- 94. width: expression(document.body.clientWitdh < 600 ? “600px” : “auto”); min-width: 600px;
- 121. GET /nelm.io/foo.js GET /nelm.io/foo.js HOST: nelm.io HOST: nelm.io If-Modified-Since: [...] If-None-Match: 10f24bc-4ab HTTP/1.1 200 OK HTTP/1.1 304 Not Modified Last-Modified:[...] ETag: 10f24bc-4ab-457e1c1f
- 122. GET /nelm.io/foo.js GET /nelm.io/foo.js HOST: nelm.io HOST: nelm.io If-Modified-Since: [...] If-None-Match: 10f24bc-4ab HTTP/1.1 304 Not Modified HTTP/1.1 200 OK ETag: 10f24bc-4ab-457e1c1f
- 123. GET /nelm.io/foo.js GET /nelm.io/foo.js HOST: nelm.io HOST: nelm.io If-None-Match: 10f24bc-4ab HTTP/1.1 304 Not Modified HTTP/1.1 200 OK ETag: 10f24bc-4ab-457e1c1f
- 124. GET /nelm.io/foo.js GET /nelm.io/foo.js HOST: nelm.io HOST: nelm.io If-None-Match: 10f24bc-4ab HTTP/1.1 304 Not Modified HTTP/1.1 200 OK ETag: 10f24bc-4ab-457e1c1f
- 125. HTTP/1.1 200 OK ETag: 10f24bc-4ab-457e1c1f