{"id":9099,"date":"2023-02-03T13:04:01","date_gmt":"2023-02-03T18:04:01","guid":{"rendered":"https:\/\/www.pair.com\/support\/kb\/?post_type=ht_kb&#038;p=9099"},"modified":"2023-02-03T13:04:11","modified_gmt":"2023-02-03T18:04:11","slug":"using-zlib-for-page-compression","status":"publish","type":"ht_kb","link":"https:\/\/www.pair.com\/support\/kb\/using-zlib-for-page-compression\/","title":{"rendered":"Using zlib for Page Compression"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">What is zlib?<\/h3>\n\n\n\n<p>zlib is a lossless data-compression library built into PHP.&nbsp;<\/p>\n\n\n\n<p>Page compression is commonly used to achieve faster page load times and reduce bandwidth usage. Compressed pages use less data, thus reducing how much time it takes for a visitor to load a page. Likewise, if less data is being transferred to the visitor, your server does not need to use as much bandwidth.&nbsp;<\/p>\n\n\n\n<p>Plus, since zlib is lossless, compression should not affect your site visually.\u00a0<\/p>\n\n\n\n<p class=\"wp-block-ht-blocks-messages wp-block-hb-message wp-block-hb-message--withicon is-style-info\"><em>Please note that while these results often occur with zlib usage, they are not guaranteed.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Who should use zlib?&nbsp;<\/h3>\n\n\n\n<p>zlib is a great option for compressing WordPress sites. Both WordPress and zlib are based in PHP, so they work well together. You can use zlib on any PairSIM WordPress installation or on any of our managed WordPress packages.&nbsp;<\/p>\n\n\n\n<p>Not using WordPress? Check out <a href=\"https:\/\/www.pair.com\/support\/kb\/using-mod_deflate-for-page-compression\/\" target=\"_blank\" rel=\"noreferrer noopener\">mod_deflate<\/a> compression instead.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Compress WordPress with zlib<\/h3>\n\n\n\n<p>To use zlib, you need to first access your site\u2019s .user.ini file. See these articles for more information about your .user.ini:&nbsp;<\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/www.pair.com\/support\/kb\/php-ini-vs-user-ini\/#what-is-user-ini\" target=\"_blank\" rel=\"noreferrer noopener\">What is .user.ini?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.pair.com\/support\/kb\/user-ini-file-creation\/\" target=\"_blank\" rel=\"noreferrer noopener\">Creating a .user.ini<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.pair.com\/support\/kb\/user-ini-file-editing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Editing a .user.ini<\/a><\/li>\n<\/ul>\n\n\n\n<p>To implement zlib compression, add the following line to your site\u2019s .user.ini file:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>zlib.output_compression = On;<\/code><\/pre>\n\n\n\n<p>Be sure to save the file when finished. Once saved, zlib should begin working on your site.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is zlib? zlib is a lossless data-compression library built into PHP.&nbsp; Page compression is commonly used to achieve faster page load times and reduce bandwidth usage. Compressed pages use less data, thus reducing how much time it takes for a visitor to load a page. Likewise, if less data&#8230;<\/p>\n","protected":false},"author":11,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[175],"ht-kb-tag":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Using zlib for Page Compression - Knowledge Base - Pair Networks<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pair.com\/support\/kb\/using-zlib-for-page-compression\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using zlib for Page Compression - Knowledge Base - Pair Networks\" \/>\n<meta property=\"og:description\" content=\"What is zlib? zlib is a lossless data-compression library built into PHP.&nbsp; Page compression is commonly used to achieve faster page load times and reduce bandwidth usage. 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