Fix “Setting an expiry date or a maximum age in the HTTP headers” in WordPress for Google Insights

By November 5, 2017 November 15th, 2017 Technology

Google Insights

If you’ve ever visited Google Insights and got this message and wondered how to fix it to get your page score up, here’s a little hack to fix that annoying “Setting an expiry date or a maximum age in the HTTP headers” error that Google Insights throws at you.

If you know anything about WordPress and PHP, you should know that if your server is running PHP 5.6 or 5.7 you should NOT be running any caching plugin’s since APC, OPcache and modules like phpFastCache are all built into PHP now on most hosting platforms, so random plugins like W3T, WP Rocket, WP Super Cache, etc, will actually conflict and SLOW you site down (unless you specifically configure them to ONLY clear cookies and manage browser cache). However, why install a plugin and add all the extra cruft, when you can just manually add the code these plugins insert into the .htaccess file yourself.

FTP, SSH or login to your file manager in cPanel or Plesk. Make sure you can see hidden files. In the root directory of your website, find the .htaccess file and open it to edit it. Directly under the default WordPress module, add these two additional modules to make Google Insights shut up.


<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType text/css A31536000
    ExpiresByType text/x-component A31536000
    ExpiresByType application/x-javascript A31536000
    ExpiresByType application/javascript A31536000
    ExpiresByType text/javascript A31536000
    ExpiresByType text/x-js A31536000
    ExpiresByType text/html A3600
    ExpiresByType text/richtext A3600
    ExpiresByType image/svg+xml A3600
    ExpiresByType text/plain A3600
    ExpiresByType text/xsd A3600
    ExpiresByType text/xsl A3600
    ExpiresByType text/xml A3600
    ExpiresByType video/asf A31536000
    ExpiresByType video/avi A31536000
    ExpiresByType image/bmp A31536000
    ExpiresByType application/java A31536000
    ExpiresByType video/divx A31536000
    ExpiresByType application/msword A31536000
    ExpiresByType application/vnd.ms-fontobject A31536000
    ExpiresByType application/x-msdownload A31536000
    ExpiresByType image/gif A31536000
    ExpiresByType application/x-gzip A31536000
    ExpiresByType image/x-icon A31536000
    ExpiresByType image/jpeg A31536000
    ExpiresByType application/json A31536000
    ExpiresByType application/vnd.ms-access A31536000
    ExpiresByType audio/midi A31536000
    ExpiresByType video/quicktime A31536000
    ExpiresByType audio/mpeg A31536000
    ExpiresByType video/mp4 A31536000
    ExpiresByType video/mpeg A31536000
    ExpiresByType application/vnd.ms-project A31536000
    ExpiresByType application/x-font-otf A31536000
    ExpiresByType application/vnd.ms-opentype A31536000
    ExpiresByType application/vnd.oasis.opendocument.database A31536000
    ExpiresByType application/vnd.oasis.opendocument.chart A31536000
    ExpiresByType application/vnd.oasis.opendocument.formula A31536000
    ExpiresByType application/vnd.oasis.opendocument.graphics A31536000
    ExpiresByType application/vnd.oasis.opendocument.presentation A31536000
    ExpiresByType application/vnd.oasis.opendocument.spreadsheet A31536000
    ExpiresByType application/vnd.oasis.opendocument.text A31536000
    ExpiresByType audio/ogg A31536000
    ExpiresByType application/pdf A31536000
    ExpiresByType image/png A31536000
    ExpiresByType application/vnd.ms-powerpoint A31536000
    ExpiresByType audio/x-realaudio A31536000
    ExpiresByType image/svg+xml A31536000
    ExpiresByType application/x-shockwave-flash A31536000
    ExpiresByType application/x-tar A31536000
    ExpiresByType image/tiff A31536000
    ExpiresByType application/x-font-ttf A31536000
    ExpiresByType application/vnd.ms-opentype A31536000
    ExpiresByType audio/wav A31536000
    ExpiresByType audio/wma A31536000
    ExpiresByType application/vnd.ms-write A31536000
    ExpiresByType application/font-woff A31536000
    ExpiresByType application/font-woff2 A31536000
    ExpiresByType application/vnd.ms-excel A31536000
    ExpiresByType application/zip A31536000
</IfModule>

Then add this:


<IfModule mod_expires.c>
    # Enable expirations
    ExpiresActive On
    # Default directive
    ExpiresDefault "access plus 1 month"
    # My favicon
    ExpiresByType image/x-icon "access plus 1 year"
    # Images
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/jpg "access plus 1 month"
    ExpiresByType image/jpeg "access plus 1 month"
    # CSS
    ExpiresByType text/css "access plus 1 month"
    # Javascript
    ExpiresByType application/javascript "access plus 1 year"
</IfModule>

Lastly, and this part is optional, you can add this to your themes header.php file somewhere right under the doc type, or with any other meta code if your calling a viewport or anything. Your milage may vary with this one as Google Insights is fickle app:


<meta http-equiv="Expires" content="30">