To help optimize your WordPress site, we recommend installing and enabling WP Super Cache. WP Super Cache will help your site load faster and use less backend resources. To return to the previous course, click on Advertising Plugins.

Please note: Before installing the WP Super Cache plugin, you will first need to enable Permalinks for your site.

  1. Begin by logging into your WordPress Dashboard, click on Plugins on the left menu and then Add New:

    sc

  2. In the search box, to help find it faster do a search for "super cache".

    sc1

  3. After the search is finished look on the results for "WP Super Cache." Once you have located the plugin click on Install Now under the plugin:

    sc2

  4. The plugin installation is complete. Click on Activate Plugin.

    sc3

  5. A red box at the top will remind you to enable the program. Click on the plugin admin page link.

    sc4

  6. Now we will enable caching. Click the radio button next to Caching On and hit the button labeled Update Status >>.

    sc5

  7. There are still a few more steps to optimize WP Super Cache. On the same screen click on the Advanced tab.

    sc6-advanced

  8. Select the Use mod_rewrite to serve cache files option and click Update Status >> button.

    sc7-modrewrite

  9. Once this is done you will receive a message that looks like this:

    sc8

  10. Scroll down the page and you will see a big yellow box. Click on Update Mod_Rewrite Rules at the bottom of the yellow box.

    sc9

  11. Once that is clicked the box will turn green and say "Mod Rewrite rules updated."

    sc10

There are two ways to confirm that WP Super Cache installed correctly. First, you can check the source code of your site. The source code will show if the webpage was successfully cached. In FireFox, right click on any page within your WordPress website and select View Page Source. Other Internet browsers have the same option as well. At the bottom of the page, if WP Super Cache was installed you will see this:

supercacheconfirm2

You can also make sure it installed by checking the .htaccess file. You can access the .htaccess file through an FTP client or through your cPanel File Manager. In the folder that contains your WordPress site, look for the .htaccess file and open it. In the .htaccess file you should see code similar to this:

supercacheconfirm1

If you have confirmed by either of these methods that WP Super Cache installed correctly, you're done!

To review the courses in this class, go to 201: Recommended Plugins.

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Comments

n/a Points
2014-05-21 4:38 pm

I installed this plugin. After I made sure it was installed correctly.  Then it said at the top "Garbage collection has not been scheduled! Garbage collection by this plugin clears out expired and old cached pages on a regular basis. Use this form to enable it."

Is this something I should schedule on a regular basis? How often?

Staff
3,661 Points
2014-05-21 5:10 pm
Hello Stephanie, and thanks for your comment.

The garbage collection that the WP Super Cache plugin does simply sets a time period for how long your cached pages should exist before they are cleared off the server. If you have very dynamic pages that are being updated a lot throughout the day, you'd probably want a setting of around 3600 seconds which is one hour.

If your site's content is mainly static and doesn't change much from day to day, then setting the garbage collection to 86400 seconds or a full 24 hours should probably be fine.

Any amount of time in-between those two should be fine as well. It's really a personal preference on how often you want to ensure that your visitors are seeing a dynamic generated page instead of a cached one. In most cases, once a post is published it doesn't change at all, so only running the garbage collection once every 24 hours is fine.

Please let us know if you had any other questions at all!

- Jacob
n/a Points
2014-08-19 9:28 am

I tried it, but once I installed WP Official this is the message I got:

WP Super Cache is disabled. Please go to the plugin admin page to enable caching.

Staff
12,522 Points
2014-08-19 9:47 am
Hello Bilal,

Step 5 above shows that you will indeed get this message. You need to enable the caching before it is active.

Kindest Regards,
Scott M

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