Hướng dẫn cài đặt mod_pagespeed trên VPS Cpanel

Bước 1: Tải mod_pagespeed

cd /usr/local/src/
mkdir mod_pagespeed
wget https://dl-ssl.google.com/dl/linux/direct/mod-pagespeed-beta_current_x86_64.rpm

Bước 2: Giải nén và phân quyền:

rpm2cpio mod-pagespeed-beta_current_x86_64.rpm | cpio -idmv
cp usr/lib64/httpd/modules/mod_pagespeed.so /usr/local/apache/modules/
chmod 755 /usr/local/apache/modules/mod_pagespeed.so

Bước 3: Tạo thư mục chứa mod_pagespeed

mkdir -p /var/mod_pagespeed/
chown nobody:nobody /var/mod_pagespeed/

Bước 4: Build thêm mod_deflate

/usr/local/apache/bin/apxs -c -i /home/cpeasyapache/src/httpd-version/modules/filters/mod_deflate.c

Bước 5: Tạo file pagespeed.conf trong thư mục /usr/local/apache/ và paste đoạn config sau:

LoadModule pagespeed_module modules/mod_pagespeed.so

# Only attempt to load mod_deflate if it hasn't been loaded already.
<IfModule !mod_deflate.c>
LoadModule deflate_module modules/mod_deflate.so
</IfModule>
<IfModule pagespeed_module>
# Turn on mod_pagespeed. To completely disable mod_pagespeed, you
# can set this to "off".
ModPagespeed on

# Direct Apache to send all HTML output to the mod_pagespeed
# output handler.
AddOutputFilterByType MOD_PAGESPEED_OUTPUT_FILTER text/html

# The ModPagespeedFileCachePath and
# ModPagespeedGeneratedFilePrefix directories must exist and be
# writable by the apache user (as specified by the User
# directive).
ModPagespeedFileCachePath "/var/mod_pagespeed/cache/"
ModPagespeedGeneratedFilePrefix "/var/mod_pagespeed/files/"

# Override the mod_pagespeed 'rewrite level'. The default level
# "CoreFilters" uses a set of rewrite filters that are generally
# safe for most web pages. Most sites should not need to change
# this value and can instead fine-tune the configuration using the
# ModPagespeedDisableFilters and ModPagespeedEnableFilters
# directives, below. Valid values for ModPagespeedRewriteLevel are
# PassThrough, CoreFilters and TestingCoreFilters.
#
# ModPagespeedRewriteLevel PassThrough

# Explicitly disables specific filters. This is useful in
# conjuction with ModPagespeedRewriteLevel. For instance, if one
# of the filters in the CoreFilters needs to be disabled for a
# site, that filter can be added to
# ModPagespeedDisableFilters. This directive contains a
# comma-separated list of filter names, and can be repeated.
#
# ModPagespeedDisableFilters rewrite_images

# Explicitly enables specific filters. This is useful in
# conjuction with ModPagespeedRewriteLevel. For instance, filters
# not included in the CoreFilters may be enabled using this
# directive. This directive contains a comma-separated list of
# filter names, and can be repeated.
#
# ModPagespeedEnableFilters rewrite_javascript,rewrite_css
# ModPagespeedEnableFilters collapse_whitespace,elide_attributes

# ModPagespeedDomain
# authorizes rewriting of JS, CSS, and Image files found in this
# domain. By default only resources with the same origin as the
# HTML file are rewritten. For example:
#
# ModPagespeedDomain cdn.myhost.com
#
# This will allow resources found on http://cdn.myhost.com to be
# rewritten in addition to those in the same domain as the HTML.
#
# Wildcards (* and ?) are allowed in the domain specification. Be
# careful when using them as if you rewrite domains that do not
# send you traffic, then the site receiving the traffic will not
# know how to serve the rewritten content.

# Other defaults (cache sizes and thresholds):
#
# ModPagespeedFileCacheSizeKb 102400
# ModPagespeedFileCacheCleanIntervalMs 3600000
# ModPagespeedLRUCacheKbPerProcess 1024
# ModPagespeedLRUCacheByteLimit 16384
# ModPagespeedCssInlineMaxBytes 2048
# ModPagespeedImageInlineMaxBytes 2048
# ModPagespeedCssImageInlineMaxBytes 2048
# ModPagespeedJsInlineMaxBytes 2048
# ModPagespeedCssOutlineMinBytes 3000
# ModPagespeedJsOutlineMinBytes 3000

# Bound the number of images that can be rewritten at any one time; this
# avoids overloading the CPU. Set this to 0 to remove the bound.
#
# ModPagespeedImageMaxRewritesAtOnce 8

# Settings for image optimization:
#
# Jpeg recompression quality (0 to 100, -1 strips metadata):
# ModPagespeedJpegRecompressionQuality -1
#
# Percent of original image size below which optimized images are retained:
# ModPagespeedImageLimitOptimizedPercent 100
#
# Percent of original image area below which image resizing will be
# attempted:
# ModPagespeedImageLimitResizeAreaPercent 100

# When Apache is set up as a browser proxy, mod_pagespeed can record
# web-sites as they are requested, so that an image of the web is built up
# in the directory of the proxy administrator's choosing. When ReadOnly is
# on, only files already present in the SlurpDirectory are served by the
# proxy.
#
# ModPagespeedSlurpDirectory ...
# ModPagespeedSlurpReadOnly on

# The maximum URL size is generally limited to about 2k characters
# due to IE: See http://support.microsoft.com/kb/208427/EN-US.
# Apache servers by default impose a further limitation of about
# 250 characters per URL segment (text between slashes).
# mod_pagespeed circumvents this limitation, but if you employ
# proxy servers in your path you may need to re-impose it by
# overriding the setting here. The default setting is 1024
# characters.
#
# ModPagespeedMaxSegmentLength 250

# Uncomment this if you want to prevent mod_pagespeed from combining files
# (e.g. CSS files) across paths
#
# ModPagespeedCombineAcrossPaths off

# Explicitly tell mod_pagespeed to load some resources from disk.
# This will speed up load time and update frequency.
#
# This should only be used for static resources which do not need
# specific headers set or other processing by Apache.
#
# Both URL and filesystem path should specify directories and
# filesystem path must be absolute (for now).
#
# ModPagespeedLoadFromFile "http://example.com/static/" "/var/www/static/"

# Enables server-side instrumentation and statistics. If this rewriter is
# enabled, then each rewritten HTML page will have instrumentation javacript
# added that sends latency beacons to /mod_pagespeed_beacon. These
# statistics can be accessed at /mod_pagespeed_statistics. You must also
# enable the mod_pagespeed_statistics and mod_pagespeed_beacon handlers
# below.
#
# ModPagespeedEnableFilters add_instrumentation

# Uncomment the following line so that ModPagespeed will not cache or
# rewrite resources with Vary: in the header, e.g. Vary: User-Agent.
# ModPagespeedRespectVary on

# This handles the client-side instrumentation callbacks which are injected
# by the add_instrumentation filter.
# You can use a different location by adding the ModPagespeedBeaconUrl
# directive; see the documentation on add_instrumentation.
<Location /mod_pagespeed_beacon>
SetHandler mod_pagespeed_beacon
</Location>

# Uncomment the following line if you want to disable statistics entirely.
#
# ModPagespeedStatistics off

# This page lets you view statistics about the mod_pagespeed module.
<Location /mod_pagespeed_statistics>
Order allow,deny
# You may insert other "Allow from" lines to add hosts you want to
# allow to look at generated statistics. Another possibility is
# to comment out the "Order" and "Allow" options from the config
# file, to allow any client that can reach your server to examine
# statistics. This might be appropriate in an experimental setup or
# if the Apache server is protected by a reverse proxy that will
# filter URLs in some fashion.
Allow from localhost
Allow from 127.0.0.1
SetHandler mod_pagespeed_statistics
</Location>

# Page /mod_pagespeed_message lets you view the latest messages from
# mod_pagespeed, regardless of log-level in your httpd.conf
# ModPagespeedMessageBufferSize is the maximum number of bytes you would
# like to dump to your /mod_pagespeed_message page at one time,
# its default value is 100k bytes.
# Set it to 0 if you want to disable this feature.

ModPagespeedMessageBufferSize 100000

# mod_pagespeed has the ability to collect statistics about page visits as
# well as page, resource, and div location (see div_structure_filter)
# referrals. These will eventually be used to speed up pages with at least
# resource pre-fetch, if not Chrome's new pre-render, technology. See
# googlewebmastercentral.blogspot.com/2011/06/announcing-instant-pages.html
# We recommend enabling the div_structure filter if turning on statistics
# collection below. Enabling the div_structure filter will increase the
# effectiveness of pre-rendering prediction, because it will take into
# account both URLs and page locations when aggregating user click through
# behavior. To enable the div_structure filter, uncomment the appropriate
# line below or add div_structure to the enabled filters at the top of this
# configuration file.
# Page /mod_pagespeed_referer_statistics lets you view the accumulated
# referral statistics.
# ModPagespeedCollectRefererStatistics on enables collection (default off)
# ModPagespeedHashRefererStatistics obscures collected info (default off)
# ModPagespeedRefererStatisticsOutputLevel can be changed if the page
# /mod_pagespeed_referer_statistics is slow to load:
# - Organized (default) is the most readable and ordered logically, but
# involves computation
# - Simple is readable but unordered
# - Fast is the fastest and contains all necessary information, but is
# fairly unreadable

# ModPagespeedCollectRefererStatistics on
# ModPagespeedHashRefererStatistics on
# ModPagespeedRefererStatisticsOutputLevel Simple
# ModPagespeedEnableFilters div_structure

<Location /mod_pagespeed_message>
Allow from localhost
Allow from 127.0.0.1
SetHandler mod_pagespeed_message
</Location>
<Location /mod_pagespeed_referer_statistics>
Allow from localhost
Allow from 127.0.0.1
SetHandler mod_pagespeed_referer_statistics
</Location>
</IfModule>

Bước 6: Include file config pagespeed.conf vào pre_main_global.conf.

Bước 7: Restart lại apache và kiểm tra lại bằng lệnh: httpd -M

 

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