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Best Practices for Speeding Up Your Web Site
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Minimize HTTP Requests
- Use a Content Delivery Network
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Add an Expires or a Cache-Control Header
- Gzip Components
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Put Stylesheets at the Top
- Put Scripts at the Bottom
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Avoid CSS Expressions
- Make JavaScript and CSS External
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Reduce DNS Lookups
- Minify JavaScript and CSS
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Avoid Redirects
- Remove Duplicate Scripts
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Configure ETags
- Make Ajax Cacheable
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Flush the Buffer Early
- Use GET for AJAX Requests
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Post-load Components
- Preload Components
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Reduce the Number of DOM Elements
- Split Components Across Domains
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Minimize the Number of iframes
- No 404s
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Reduce Cookie Size
- Use Cookie-free Domains for Components
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Minimize DOM Access
- Develop Smart Event Handlers
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Choose <link> over @import
- Avoid Filters
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Optimize Images
- Optimize CSS Sprites
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Don't Scale Images in HTML
- Make favicon.ico Small and Cacheable
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Keep Components under 25K
- Pack Components into a Multipart Document
See More:
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原文地址:https://www.cnblogs.com/longware/p/13382246.html
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