Velocidade de página: ative a compactação por meio de módulos Apache

A compactação de páginas (gzip / deflate) requer módulos Apache mod_filtere mod_deflate.

Para verificar se esses módulos estão ativos em seu servidor:

<?php
echo '<pre>';
print_r(apache_get_modules());
echo '</pre>';
?>

Ativar. Edite httpd.conf removendo o #antes destas linhas:

#LoadModule filter_module modules/mod_filter.so

e

#LoadModule deflate_module modules/mod_deflate.so

Em .htaccess adicionar tipos para compactar . Os seguintes tipos foram retirados do H5BP . Certifique-se de que os tipos de mídia estejam definidos :

#  WEB PERFORMANCE #

# | Compression

<IfModule mod_deflate.c>

    # Force compression for mangled `Accept-Encoding` request headers
    # https://developer.yahoo.com/blogs/ydn/pushing-beyond-gzipping-25601.html

    <IfModule mod_setenvif.c>
        <IfModule mod_headers.c>
            SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)s*,?s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding
            RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
        </IfModule>
    </IfModule>

    # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

    # Compress all output labeled with one of the following media types.
    #
    # (!) For Apache versions below version 2.3.7 you don't need to
    # enable `mod_filter` and can remove the `<IfModule mod_filter.c>`
        # and `</IfModule>` lines as `AddOutputFilterByType` is still in
    # the core directives.
    #
    # https://httpd.apache.org/docs/current/mod/mod_filter.html#addoutputfilterbytype

    <IfModule mod_filter.c>
        AddOutputFilterByType DEFLATE "application/atom+xml" 
        "application/javascript" 
        "application/json" 
        "application/ld+json" 
        "application/manifest+json" 
        "application/rdf+xml" 
        "application/rss+xml" 
        "application/schema+json" 
        "application/vnd.geo+json" 
        "application/vnd.ms-fontobject" 
        "application/x-font-ttf" 
        "application/x-javascript" 
        "application/x-web-app-manifest+json" 
        "application/xhtml+xml" 
        "application/xml" 
        "font/eot" 
        "font/opentype" 
        "image/bmp" 
        "image/svg+xml" 
        "image/vnd.microsoft.icon" 
        "image/x-icon" 
        "text/cache-manifest" 
        "text/css" 
        "text/html" 
        "text/javascript" 
        "text/plain" 
        "text/vcard" 
        "text/vnd.rim.location.xloc" 
        "text/vtt" 
        "text/x-component" 
        "text/x-cross-domain-policy" 
        "text/xml"

    </IfModule>

    # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

    # Map the following filename extensions to the specified
    # encoding type in order to make Apache serve the file types
    # with the appropriate `Content-Encoding` response header
    # (do note that this will NOT make Apache compress them!).
    #
    # If these files types would be served without an appropriate
    # `Content-Enable` response header, client applications (e.g.:
    # browsers) wouldn't know that they first need to uncompress
    # the response, and thus, wouldn't be able to understand the
    # content.
    #
    # https://httpd.apache.org/docs/current/mod/mod_mime.html#addencoding

    <IfModule mod_mime.c>
        AddEncoding gzip              svgz
    </IfModule>

</IfModule>

Consulte também: https://developers.google.com/speed/docs/insights/EnableCompression