Issue link: https://read.uberflip.com/i/1146286
Index | 143 how compression works, 29 images and PDF files, 30 minification, 74 mod_gzip documentation, 34 MSN, 124 problems in IE, 34 proxy caching, 33 top 10 U.S. web sites, 30 what to compress, 30 Wikipedia, 131 H HEAD request, 6 Hewitt, Joe, 106 home pages, 58 hostnames, reducing, 68 HTML Gzipped (example), 35 HTTP 304 responses, 8 compression, 7 Expires header, 8 GET request, 6 conditional, 7 GET requests conditional, 8 Keep-Alive, 8 overview, 6–9 Persistent Connections, 8 pipelining, 9 responses, compressing (see gzip) specification, 6, 9 traffic, 3 HTTP requests, 10–17 AOL, 110 CSS sprites, 11–13 eBay, 117 Google, 120 image maps, 10 client-side, 11 drawbacks, 11 server-side, 11 inline images, 13–15 JavaScript and CSS combined, 15–16 MSN, 123, 124 MySpace, 128 post-onload download technique, 16 types of, 6 Yahoo!, 133 http: scheme, 13 Hyatt, David, 43 I IBM Page Detailer, 105 If-None-Match headers, 8 IFrames eBay, 117 MSN, 124 Image Beacon (example), 83 Image Map (example), 11 image maps, 10 client-side, 11 drawbacks, 11 server-side, 11 images cached and uncached, 3 eBay, 117 gzipping, 30 inline, 13–15 Inline CSS Images (example), 14 inline images, 13–15 Inline Images (example), 14 Inlined JS and CSS (example), 55 inodes, 92 internationalization, 115 Internet Explorer data: scheme, 14 deferred scripts, 50 DNS lookups, 66 duplicate scripts, 87 gzip bugs, 34 parallel downloads, 46 pipelining, 9 problems with gzip, 34 progressive rendering, 43 XMLHTTP, 98 J JavaScript, 55–62 combined, 15–16 debugging code tool, 106 dependencies and versioning, 87 duplicate scripts, 85–88 avoiding, 87 performance, 86 dynamic inlining, 60–62 home pages, 58 inline scripts minifying, 73 inline versus external, 55–58 component reuse, 57 empty cache versus primed cache, 56 inline examples, 55