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Why WP Rocket is Responsible for Some of Google SERPs Glitch

Why WP Rocket is Responsible for Some of Google SERPs Glitch
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Images have gone missing from Google’s search results pages again. The bug appears to affect recipe bloggers the most. Some are saying that WP Rocket had something to do with it. But that’s not confirmed.

The sites that were in the carousels at the top of the page lost their rankings.

The sites that were in the regular search results retained their rankings but lost the image that is supposed to accompany their SERP listing.

Screenshot of Google's SERPs showing missing images

Reports From Recipe Bloggers

Casey Markee (@MediaWyse) tweeted that he was receiving multiple reports from sites that their listings in the top of the page “recipe carousel” have gone missing.

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Many recipe bloggers responded to the tweet to report their issue.

WP Rocket Suspected as Associated with the Problem

Many bloggers noticed that all of them had WP Rocket in common. They began to suspect that WP Rocket was causing the images to not be seen by Google. If that’s true then that would explain why the images were disappearing from Google’s SERPs.

WP Rocket is a plugin whose purpose is to speed up a site.

A caching plugin can take JavaScript and CSS files, including those associated with plugins and then shrink them down (a process called minifying).

WP Rocket also takes files and puts them into a cache. A cache is like a snapshot. This saves time because WordPress doesn’t have to fetch information from a database but can use the cached file.

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But sometimes the process of minifying or caching can interfere with the operation of a plugin, causing the site to not work correctly.

Sometimes this happens when a plugin has updated but WP Rocket (or any other caching plugin) doesn’t automatically update the cache or minified files.

That’s why it’s a good practice to flush the cache and create a new cache as well as minify files whenever WordPress itself updates or when a plugin updates.

One would think that a plugin would do that automatically and it can. But nothing is perfect and caching plugins can be a little testy.

WP Rocket had an update, 3.6.1 on June 24, 2020. Whenever a plugin has an update, there is usually a bug fix. But sometimes an update can contain something that interferes with another plugin or with WordPress itself. That’s called a conflict.

Because WP Rocket was recently updated and that coincided with some of the first reports, it was assumed that WP Rocket might be interfering somehow to block CSS or JavaScript files, preventing Google from receiving all the web page images and resources, like the Guided Recipes and Regular Recipes structured data.

Casey Markee showed a screenshot showing how disabling WP Rocket caused Google’s Rich Snippets tool to begin seeing the structured data again.

Screenshot of Google’s Structured Data Tool

Screenshot of Google's structured data toolScreenshot showing how Google’s structured data tool does not see certain parts of the structured data.
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WP Rocket released a new update on July 8th (coincidentally) and some bloggers who updated to the latest version reported having their problem solved.

WP Rocket reached out on Twitter and offered to help:

WP Rocket Not at Fault – Update

According to Casey Markee

“Most likely, there are multiple plugin conflicts that are causing these temporary rendering issues. One of them, Grow by Mediavine was definitively the triggering cause in several cases we traced over the last 48 hours.

As for the WP Rocket issue, it “could” be the issue in select situations and I know of two cases we can say that was the case as they didn’t have Grow installed. In the end, anything that impedes JS or CSS from loading can cause issues.”

No Word from Google

Google’s John Mueller asked for URLs and many bloggers responded. Perhaps they figured the problem was solved?

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What Happened? UPDATED

At the time, July 8th, it was not entirely certain  that this was an issue specific to WP Rocket. It appeared to be a WP Rocket issue but apparently it was no entirely a WP Rocket issue.

There was another issue to do with an entirely different WordPress Plugin called Grow by MediaVine.

WordPress Grow is the Source of the Image Problems

This is a good illustration of how the obvious suspect is not always the problem. By being obvious, many people will stop looking for an answer because they are satisfied that the most obvious candidate is at fault. It’s a very common bias in diagnosing an issue.

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Roger Montti

Roger Montti is a search marketer with 20 years experience. He provides site audits, phone consultations and content and link ... [Read full bio]

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