SERPs: Search Engine Results Pages Explained

Kyle Byers

Jan 02, 202311 min read
SERPs: Search Engine Results Pages Explained
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TABLE OF CONTENTS

What Is SERP?

“SERP'' stands for “search engine results page.” It’s a page that a search engine displays to a user after they enter a search query. SERPs include links to different webpages that are relevant to the user's query, along with additional information or images.

Many SERPs contain paid ads at the top, followed by organic results underneath.

Like this:

SERP with paid and organic results

However, the SERP for one keyword can look a lot different from the SERP for another.

And those differences have a huge impact on SEO traffic.

Learn more in our guide below.

What’s on a Google SERP? And How Do SERP Rankings Work?

Search engine results pages can include three types of listings:

Organic search results, which look like this:

Organic search results example

Paid search results, which are identified with the word “Ad:”

Paid search result example

And SERP features, which can show up in lots of different ways. 

One common SERP feature is the “People Also Ask” box. 

Which looks like this:

People Also Ask example

Let’s take a closer look at all three types of search results.

We’ll discuss where they come from and how they affect SEO.

Organic Search Results

Google gets trillions of searches per year. 

And 95% of the clicks from those searches go to the organic (unpaid) search results.

Which is why interest in SEO has been growing and growing.

Search interest in SEO over time

Most of SEO boils down to one concept:

The higher a search result is shown on the SERP, the more people tend to click on it.

The #1 ranking result is shown at the top of the SERP. 

So, it usually gets the most clicks.

Followed by #2, and so on:

Search rankings example

How much do rankings matter, exactly?

A lot.

Here are the average click-through rates on Google by ranking position, according to a study by Backlinko:

  1. 31.73%
  2. 24.71%
  3. 18.66%
  4. 13.60%
  5. 9.51%

And the drop-off continues from there. 

In fact, the #1 ranking usually gets 10x more clicks than the #10 ranking.

So how does a page get ranked #1?

Well, Google relies on hundreds of different ranking factors to decide.

But you can divide them into two major categories:

  • On-page SEO factors. (Like the page’s content and meta tags.)

On-page factors also affect something else:

The appearance of the search results.

Specifically, they control the search result “snippet” that’s shown on the SERP.

A basic search snippet consists of three things:

1. The URL or breadcrumbs, which are based on the page’s URL and navigational links.

Domain and breadcrumbs in a search snippet

2. The title link, which is usually based on the page’s meta title tag

Title link in a search result

3. And the description, which is usually based on the page’s meta description

Description in a search result

That’s the basic structure.

But some search snippets are more complex than that.

For example, here is the top result for the search query “best camping stove."

You can see it has a few additional parts: 

OutdoorGearLab rich snippet

Unlike our basic search snippet, this one has:

  • An image on the side
  • A star rating in the middle
  • And additional links (called “sitelinks”) at the bottom

Extra pieces of information like those are called “rich snippets.”

And they make the search result stand out, which can increase its CTR and traffic.

In other words:

Rich snippets are one of the ways you can get more visits from a SERP—even without improving your rankings.

(SERP features are another way. But we’ll come back to those in a minute.)

Paid search results are the second type of listing that can appear on a SERP.

On Google, paid search results are managed via Google Ads. And they’re paid for on a cost-per-click basis.

Google Search Ads are often shown at the top of the SERP above all the organic results. 

Like this:

Search ads for wireless earbuds

Search ads can also be displayed at the bottom of the SERP, after the organic results:

Google search ads at the bottom of SERP

And some SERPs display Google Shopping Ads, which ecommerce stores use to advertise their products.

For that reason, Google Shopping Ads usually only show up when you search for a physical product.

Google Shopping Ads look quite a bit different from regular search ads. 

They contain less text, for one thing.

And they also include images.

Google Shopping Ads can be shown at the top, bottom, or in the middle of the SERP. 

Or off to the side, like this:

Google Shopping Ads on SERP

SERP Features

SERP features are the third type of result that you’ll see in the SERPs.

A SERP feature is anything that isn’t a regular organic or paid search result.

Like this “Featured Snippet” about the largest star in the universe:

Featured Snippet about UY Scuti

Like regular organic search results, SERP features are unpaid.

Google calls SERP features “search features." 

And according to Google, the point of them is to give people “the right information at the right time in the format that’s most useful.”

But many marketers think of SERP features as something else:

Competition.

That’s because SERP features draw attention and clicks away from the regular organic search results.

(In fact, only about one-third of all Google searches now result in a click on an organic result. And SERP features are one big reason why.)

SERP features can even create a difference in search traffic between two very similar keywords.

Sometimes a very big difference—even when the keywords have the same search volume.

For example, let’s compare the keywords “mortgage comparison” and “affordable mortgages."

Both keywords get 1,600 searches per month:

Search volume comparison of two mortgage keywords

And both keywords have to do with mortgages, obviously.

But their SERPs are completely different.

The SERP for “mortgage comparison” is pretty traditional. 

It shows four search ads at the top. 

And then goes straight into the regular organic results.

Google SERP without SERP features

The SERP for “affordable mortgages” is a different story.

It starts with ads at the top, like the other SERP. But then it shows two separate SERP features: 

  • A “Local Pack” of Google Maps results
  • And a “People Also Ask” box of questions

All before getting to the regular organic results.

Look how far you have to scroll before you can see the first organic result on this SERP:

Google SERP with SERP features

As mentioned, both of those keywords get 1,600 searches per month. 

But the differences in their SERPs change their “Click Potential” quite a bit.

Click Potential is the predicted chance of getting a click through to the regular organic results.

And according to our Keyword Strategy Builder tool, the Click Potential for the keyword “mortgage comparison” is 70%. 

While the click potential for “affordable mortgages” is only 20%.

Click potential in Keyword Strategy Builder

In effect, that means those keywords aren’t really sending 1,600 visits per month to their organic results.

Instead:

  • The first keyword is driving about 1,120 visits per month to its organic results. Because it has 70% click potential. (70% of 1,600 = 1,120.)
  • While the second keyword is driving only 320 visits per month to its organic results. Since it has only has 20% click potential. (20% of 1,600 = 320.)

1,120 vs. 320—that’s a 3.5x difference.

And that’s why SERP features are so important for SEO.

So it’s a good idea to look at the Click Potential for any keyword before you decide whether to target it.

And also look at the SERP itself. That way, you’ll know which SERP features you’ll be up against.

Or to avoid checking each keyword manually, you can use the “SERP features” metric in Semrush. 

It shows how many SERP features are being displayed for each keyword. As well as which types they are.

Here’s how the "SERP features" column looks in the Keyword Magic Tool:

SERP features in Keyword Magic Tool

Now you’ve seen the negative impacts that SERP features can have.

Here’s the thing:

You can also use SERP features to your advantage

It’s often easier to win a SERP feature than it is to climb the standard organic rankings. So you can use SERP features to leapfrog high-authority competitors.

Let’s look at a quick example:

The SERP for the keyword “email service provider."

The regular organic rankings for this keyword include huge sites like Active Campaign and TechRadar.

Large competitors in ESP search results

Those sites have really high Authority Scores, which makes them hard to beat in the regular rankings.

Authority Scores for Active Campaign and TechRadar

But above those big competitors, Google is displaying a Featured Snippet.

And that Featured Snippet belongs to a much smaller website called Clean Email.

Email service provider Featured Snippet

Thanks to that Featured Snippet, Clean Email is getting a large share of traffic from this keyword. Even though it has a much lower Authority Score than its larger competitors.

That’s a positive example of the power of SERP features.

And we’re still only scratching the surface—there are over 20 different types of SERP features. 

Let’s cover some of the most common and important ones.

This way, you can avoid competing against them and use them to your advantage instead. 

The Most Common and Important SERP Features

A Featured Snippet is a large highlight that Google has taken from a single webpage in attempt to summarize the most important information from it.

You’ll often see Featured Snippets at the very top of the organic SERP. (In “position #0.”) 

That makes them one of the most powerful SERP features.

They can also display when you expand a “People Also Ask” box.

There are several types of Featured Snippets.

Many are text-heavy, like this list-based Featured Snippet for “best premium SEO software:"

Featured Snippet for best premium SEO software

Other Featured Snippets include images. 

Here’s the one for the search query “impressionism:"

Impressionism featured snippet

And some Featured Snippets suggest a clip from an embedded video. 

Like this one for the keyword “how to sprint:"

Video Featured Snippet how to sprint

People Also Ask

People Also Ask boxes list several questions that are related to the original search query.

They are usually shown for keywords with commercial or informational search intent.

Here’s the People Also Ask box that gets displayed when you search for “scheduling software:"

People also ask box for best scheduling software

When you click on a question in a People Also Ask box, it expands with a Featured Snippet inside. 

As well as a link to launch a new Google search using that question.

Like this:

People also ask box expanded

Related Searches are keywords that are connected to your original search query. 

When you click on one, Google opens a new SERP using that keyword.

Related Searches are displayed at the bottom of the SERP. And they’re extremely common.

(In fact, most people don’t even think of them as a SERP feature.)

The most basic version of the Related Searches feature is simply a list of keywords.

But some Related Searches also include images above that. As you can see in this example, from the keyword “best premium SEO tool:"

Related Searches SERP feature

Knowledge Panel

According to Google, Knowledge Panels appear when you search for entities that are in Google’s Knowledge Graph

So a single Knowledge Panel includes information from multiple different sources.

Knowledge Panels are displayed on the right-hand side of the search results. 

They often display:

  • Associated images
  • A text description
  • A list of facts 
  • Links to additional information

Here’s the Knowledge Panel for the search query “Android:"

Knowledge Panel about Android

Local Pack

Local Packs display information about nearby businesses and organizations next to an embedded map from Google Maps.

Local Packs are displayed for search queries that might relate to a local need. So naturally, they show different results depending on where the searcher is located.

This Local Pack is shown at the top of the SERP when someone in New York City searches for “bowling alley:"

Bowling alley Local Pack SERP feature

Local Packs can also display for search queries that don’t have such obvious local search intent. 

But they’ll usually be farther down on the SERP in that case.

For example, the bottom of the SERP for “glass storage containers” displays the following Local Pack.

Local Pack with in-store availability

Google Flights

For search queries about flights, Google often displays a Google Flights SERP feature.

The Google Flights SERP feature can be interactive, like this one for the keyword “NYC to PDX:"

Interactive Google Flights SERP feature

Or it can be more basic, like this one for the keyword “flights to Oregon:"

Basic Google Flights SERP feature

Organic Google Shopping Results

Organic Google Shopping results look a lot like Google Shopping Ads. 

(Which we already saw in the “Paid Search Results” section above.) 

But organic Google Shopping results are unpaid. So they don’t have the “Ad” disclaimer.

Organic Google Shopping results are usually displayed as a carousel of products you can scroll through. And they can be shown anywhere in the main SERP.

Each organic Google Shopping result can contain:

  • An image of the product
  • The product name and brand
  • The retailer
  • The price
  • The average star rating
  • And a fact or two about the product

Here’s the organic Google Shopping results carousel for the keyword “home printers:"

Organic Google Shopping results SERP feature

Image Pack

Image Packs are a way for Google to display images on the SERP. Clicking on one will take you to a Google Images search results page.

Image Packs can be shown anywhere in the regular search results. Sometimes they’re displayed as scrollable carousels.

They can be shown as a single row or in a larger pack.

Here’s the Image Pack for the keyword “Iceland:”

Google Image Pack example for Iceland

And below is a larger Image Pack that displays for the keyword “Nike shoes." 

In this case, some of the images have a shopping tag icon. This indicates that the image was taken from a retailer’s product page.

Image Pack for Nike shoes

Video Results

Video Results are just what they sound like: a pack of videos on the SERP. 

The videos usually come from YouTube.

Each video listing can be paired with links to specific timestamps within it, as you can see in this example:

Video Results SERP feature

Recipes

You guessed it:

The “Recipes” SERP feature can be displayed when you search for recipes.

It displays a pack of three recipe options, along with a button to show more.

Here’s the one for “fried rice recipe:"

Fried rice recipes SERP feature

Direct Answers

Direct Answers present a short piece of information at the top of the SERP. 

They can be displayed when Google believes the query is a simple question. 

For example, “when is Mother’s Day:"

Direct Answers box for when is Mother's Day

Top Stories

Top Stories displays relevant articles from Google News.

For queries that are obviously about the news, the Top Stories feature is usually shown at the top of the SERP.

While for other queries, it may be shown lower down.

Here’s today’s Top Stories pack for the query “financial news:"

Top Stories SERP feature

Twitter

In 2015, Google partnered with Twitter to begin indexing tweets in real-time. 

Now when you search for the name of a business or person who is active on Twitter, there’s a good chance you’ll see their tweets.

That makes this a nice, easy way to get more real estate on the SERP.

You can see the Twitter SERP feature in action when you search for “Semrush."

(After the regular organic search results from our domain.)

Here’s what it looks like:

Twitter SERP feature for Semrush

Wrapping Up

As you can see, there’s no such thing as a standard SERP. 

Search engine results pages can change drastically from keyword to keyword and from location to location. 

(Plus they can be personalized, too.)

But now that you understand how they work, you can take the next step in your SEO journey.

If you’re a beginner, get started with our introduction to learning SEO

Or jump into the deep end with our detailed guides to on-page SEO, off-page SEO, and technical SEO.

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Kyle Byers is the Director of Organic Search at Semrush. He leads Semrush’s global SEO, CRO, Organic Content, and International Blogs teams. Kyle has led digital marketing teams, both agency-side and in-house, for startups, Fortune 500 companies, and everything in between. His work has been featured and cited in major media and industry publications.
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