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bit more expensive for server CPUs. Mod_deflate is a compression module specifically designed to ensure server performance, and mod_deflate requires less resources to compress files. This means that on high-traffic servers, using mod_deflate may load faster than Mod_gzip.Don't understand? In short, if your site is less than 1000 independent visitors a day, and you want to speed up the loading of your pages, use Mod_gzip. While some additional server
If the compressed dynamic file (php,asp,aspx) does not need to, because its page is dynamically generated every time, after the compression is discarded. Then in IIS Manager, the right key to the Web site-Properties, not one of the following sites, but the entire Web site. Go to the Services tab, select Enable dynamic content compression, static content
other. And the properties set are the same.If you need to compress a dynamic file, set HcDoDynamicCompression to TRUE, and in hcscriptfileextensions, add the dynamic file suffix name, such as ASPX, that you want to compress, and if you need to compress the static file, Set HcDoStaticCompression and HcDoOnDemandCompression to "TRUE" and add the static file suffix names you want to compress in hcfileextensions, such as XML, CSS, etc. HcDynamicCompressionLevel and HcOnDemandCompLevel indicate the
them better. Preparations
Prepare the following development environment and tools to follow me for subsequent learning.
Google Chrome or Firefox, and install the yslow extension component. Please note that this component is provided by Yahoo, but there is no version for IE currently.
Https://chrome.google.com/webstore/detail/yslow/ninejjcohidippngpapiilnmkgllmakhTechnorati tags: performance, web design, ASP. NET
Https://addons.mozilla.org/en-US/firefox/addon/yslow/
Y
How does PHP enable compression and output for websites to increase website access speeds. Share Two Ways to compress page output data to speed up webpage access, one is to use phpzlib extension to implement gzip compressed page output (use the php built-in function ob_gzhandler to share two ways to compress page output data to speed up webpage access, one is to
, find zlib. output_compression = Off, and set
zlib.output_compression = Off ;zlib.output_compression_level = -1
To:
zlib.output_compression = On zlib.output_compression_level = 6
Php gzip configuration knowledge point:
1. By default, php does not enable zlib for full-site compression output. Instead, it uses the ob_gzhandler function for the page for
1. What are the advantages of GZIP?
A: After Gzip is enabled, the data output to the user's browser will be compressed to reduce the amount of data transmitted over the network and increase the browsing speed.
2. How to enable the Gzip compression function of IIS:
A: First,
Microsoft official website and configuration https://www.iis.net/configreference/system.webserver/httpcompressionIIS 7.0 and later versions provide two compression methods:
1. Static Compression: compresses static content on the server, such as *. js and *. css. It will cache the Compressed content to the following path: % windir % \ inetpub \ temp \ IIS Temporary Compressed Files \ ApplicationPool \
2. Dy
stored and must be regenerated on each request. The cost of expanding the file on the browser is very small. Compressed files are faster to download, so they are particularly useful for improving the performance of all browsers that use a limited bandwidth network connection, such as a modem connection.
By default, the deadline for compressing files is January 1, 1997 to prevent the proxy server from sending cached copies of compressed files to browsers that are not enabled for
Enable MEMCACHE_COMPRESSED compression, "resize" MemCached, read enable MEMCACHE_COMPRESSED compression, and "resize" MemCached. copyright disclaimer: can be reproduced at will, during reprinting, you must use hyperlinks to indicate the original source and author information of the article and this copyright statement.
Try:
The memcache_compressed compression option in the Phpmemcache_set () function is enabled, and Memcache_get () can automatically decompress the compressed cache object during subsequent reads.
Effect:
Test, for the current application of blog bus, to enable compression, the same capacity (2G) storage of the number of objects increased by about one times, c
capacity statistics and check whether memcached is full. If the MemCached space is not fully used during full operation, it makes no sense to enable the compression. Moreover, if MemCached is not fully used, it is best to reduce the MemCached capacity, spare more memory for caching for other services;
Premise 2: compression rateThe cached data is indeed larger t
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