Included Snippets Drop
On February 19, seo agency MozCast measured a significant drop (40% day-over-day) in SERPs with Included Bits, with no immediate indications of recovery. Here's a two-week view (February 10-23):.
Are we losing our minds?
After the year we've all had, it's always great to check our peace of mind. In this case, other data sets showed a drop on the very same date, but the seriousness of the drop differed considerably. So, I inspected our STAT data across desktop questions (en-US only)-- over 2 million everyday SERPs-- and saw the following:.
While mobile SERPs in STAT showed greater overall frequency, the pattern was really comparable, with a 9% day-over-day-drop on February 19 and a total drop of about 12% because February 10. Note that, while there is substantial overlap, the desktop and mobile information sets might contain different search phrases. While the desktop information set is currently about 2.2 M everyday SERPs, mobile is closer to 1.7 M.
Note that the MozCast 10K keywords are skewed (intentionally) toward shorter, more competitive phrases, whereas STAT consists of a lot more "long-tail" phrases. This describes the overall higher frequency in STAT, as longer expressions tend to include questions and other natural-language questions that are more likely to drive Featured Snippets.
Why the big difference?
What's driving the 40% drop in MozCast and, most likely, more competitive terms? While some modifications effect market classifications similarly, the Featured Snippet loss revealed a dramatic range of impact:.
diabetes.
lupus.
autism.fibromyalgia.
acne.While Finance had a much lower preliminary prevalence of Included Snippets, Finance SERPs also saw huge losses on February 19. Some high-volume examples include:.
pension.
risk management.mutual funds.
roth ira.investment.
Like the Health category, these terms have an Understanding Panel in the right-hand column on desktop, with some standard info (mainly from Wikipedia/Wikidata). Once again, these are competitive "head" terms, where Google was displaying multiple SERP functions prior to February 19.Both Health and Finance search expressions align carefully with so-called YMYL (Your Cash or Your Life) material locations, which, in Google's own words "... could potentially impact an individual's future happiness, health, monetary stability, or safety." These are areas where Google is clearly worried about the quality of the answers they offer.
What about passage indexing?
Could this be tied to the "passage indexing" upgrade that rolled out around February 10? While there's a lot we still don't learn about the effect of that update, and while that upgrade affected rankings and likely impacted natural snippets of all types, there's no reason to think that update would impact whether an Included Bit is displayed for any given question. While the timelines overlap slightly, these occasions are more than likely separate.
Is the snippet sky falling?
While the 40% drop in Featured Snippets in MozCast appears to be genuine, the impact was primarily on much shorter, more competitive terms and particular industry classifications. For those in YMYL classifications, it definitely makes good sense to assess the influence on your rankings and search traffic.
Normally speaking, this is a common pattern with SERP functions-- Google ramps them up gradually, then reaches a limit where quality begins to suffer, and after that decreases the volume. As Google ends up being more positive in the quality of their Included Snippet algorithms, they may turn that volume back up. I definitely do not anticipate Included Bits to disappear whenever quickly, and they're still very common in longer, natural-language inquiries.
Consider, too, that some of these Included Snippets may just have actually been redundant. Prior to February 19, somebody looking for "mutual fund" might have seen this Included Bit:.
Google is assuming a "What is/are ...?" concern here, but "shared fund" is an extremely ambiguous search that might have multiple intents. At the same time, Google was currently revealing an Understanding Graph entity in the right-hand column (on desktop), most likely from relied on sources:.
Why display both, specifically if Google has concerns about quality in a classification where they're really conscious quality problems? At the exact same time, while it might sting a bit to lose these Included Snippets, think about whether they were actually providing. While this term may be great for vanity, how frequently are individuals at the very start of a search journey-- who may not even know what a mutual fund is-- going to convert into a consumer? Oftentimes, they might be leaping straight to the Understanding Panel and not even taking the Included Snippet into account.
Whatever the impact, one thing remains real-- Google giveth and Google taketh away. Unlike losing a ranking or losing a Featured Snippet to a rival, there's extremely little you can do to reverse this type of sweeping modification. For sites in heavily-impacted verticals, we can only keep track of the situation and attempt to assess our brand-new truth.
Update: Stop by word-count.
I realized that we might take a look at word-count in the STAT data to check the theory that shorter search queries (which are normally both more competitive and more ambiguous) were hit harder by this upgrade. Here's the breakdown of STAT's 2M desktop (en-US) keywords ...There's not much subtlety here-- 1-word questions were clobbered in this update, 2-word inquiries dropped considerably greater than the STAT average, and 3+- word inquiries were struck much less. Why these questions were struck isn't as clear, however the influence on really short questions is clear.