The 5 Benefits of Long-Tail Keywords - Increase Sales

Long-tail keywords are those low-volume, obscure, infrequently searched-for keywords that turn up in your search query reports. ‘Cheap remortgage for bad credit history’ is one example of a long-tail keyword. ‘Remortgages’ is not.

The theory goes like this:

• Long-tail keywords, en masse, can provide significant search volume (high impressions)
• Long-tail keywords have less competition than generic keywords (lower cost per click (CPC), higher click-through rate (CTR))
• Long-tail keywords are more specific than generic keywords, so ads can be better tailored to match the searcher’s needs (higher CTR, higher Quality Score, less wastage from irrelevant searches)
• People making long-tail searches are often further along in the buying cycle and more willing to buy than people making generic searches (higher conversion rate)
• These lower CPCs, higher CTRs and higher conversion rates mean long-tail keywords can be extremely profitable (lower cost per acquisition (CPA))

So are long-tail keywords all they are cracked up to be? Are they worth all the time, effort and commitment they require?

In short: yes.

Over the course of this article you’ll see exactly how search volume, CTR, CPCs, average position, conversion rate and CPA differs for searches containing different numbers of words, and how long-tail keywords can benefit your business immensely. Using three months of real Google AdWords campaign data, you’ll see that long-tail searches outperform generic short-tail searches on almost every measure, and provide a great opportunity to connect with customers which is generally not being taken by the majority of advertisers.

1. Search Volume (Impressions)

Let’s start with search volume. Do people make long-tail searches in any meaningful volume?

Look at the example below. Although 1 and 2-word searches may be under-represented in the example (the account has a natural bias towards keywords of at least 3 words), it is clear that as the number of words in a search query increases beyond 3, the number of searches made using that that number of words falls.

This isn’t surprising. You would of course expect search volume to drop as searches start becoming obscure and lengthy. It is little surprise that more people are making shorter searches such as as ‘cheap televisions Brisbane’ (3 words) instead of longer searches such as ‘low cost Sony Bravia television shops in Brisbane’ (8 words).

What is worth noting, however, is the power of these long-tail keywords en masse. Added together, searches of 5 words or more accounted for 21% of all impressions. While long-tail keywords may be individually insignificant, a PPC campaign with thousands of long-tails can be a serious source of additional traffic.

Fact: Long-tail searches have significant search volume

2. Click-Through Rate (CTR)

Another common belief among search marketers is that click-through rate (CTR) is higher for long-tail keywords. Their reasoning being:

1. Long-tail keywords have less competition, so there is a higher chance someone will click your ad
2. Long-tail keywords are more specific in their requirements, so you can write a more targeted and relevant ad to encourage the searcher to click

While the first point is perhaps rather tenuous (Google’s broad-matching mechanism often sends long-tail searches to advertisers’ short-tail keywords), the second point is definitely true. If someone searches for ‘cheap Sony Bravia 46 inch televisions’, and your ad mentions the words ‘Sony Bravia’, ’46 inch’ and ‘televisions’, perhaps with latest prices for that model, it makes sense that your ad will be more appealing than a generic ‘Sony televisions’ ad.

Let’s have a look at CTR for searches of different word counts. While searches of 1, 2 and 3 words have a relatively low CTR, CTR appears to increase significantly for searches of at least 4 words. CTR, it seems, is considerably stronger for long-tail keywords.

Fact: Long-tail keywords can achieve a higher CTR, as long as ads are tailored to the search query

3. Cost Per Click (CPC) & Average Position

Many search marketers also believe long-tail keywords are cheaper. They have less competition, fewer people bidding on them to drive up their prices, so CPCs will be kept relatively low.

So are long-tail keywords cheaper than generic keywords?

To answer this question, it is important to bring average position into consideration. Since CPCs and ad rankings are closely connected (a higher CPC typically means higher ad ranking), both average position and CPCs need to be considered together.

First, let’s look at CPCs. For searches of 13 words or more, CPCs do tend to be cheaper. For searches under 13 words, however, CPCs tend to be very similar. A 9-word search query costs pretty much the same price as a 4-word search query. CPCs do fall very slightly as word length increases from 3 to 12 words, but I would hardly call that significant.

Now let’s look at average position (a higher bar represents a higher ad ranking). For 1, 2 and 3-word searches, ad ranking is relatively low, and ads are appearing near the bottom of the first page. As word length increases, however, ads are shown significantly higher. They are appearing in the top positions.

So although CPCs were relatively similar for searches of all word counts, long-tails were often shown in a higher position.

When you think about it, this makes perfect sense. When you set a maximum CPC bid for each keyword, Google will show you as high as possible without going over your maximum bid. If long tail keywords are cheaper, Google won’t necessarily charge you less. It is in their interest to charge you as much as possible, so they will instead keep your CPCs close to your maximum bid but show you in a higher position.

Fact: Long-tail keywords are cheaper for the same ad ranking, or the same price for a higher ad ranking

4. Conversion Rate

So we’ve seen that long-tail keywords have a significant search volume. They exhibit a strong CTR and are often cheaper than their short-tailed rivals. But clicks are no good if people don’t engage with your site or part with their cash. It’s often conversion that really matters.

So are long-tail searches more likely to convert?

Many search marketers seem to think so – their reasoning being that people who make longer, more specific searches have already done their research and know exactly what they want. They are further along in the buying cycle so are more likely to open their wallet.

Let’s have a look at conversion rate for searches of different word counts.

It’s a pretty convincing trend. As the number of words increases, so does conversion rate.

Fact: Long-tail keywords have a higher conversion rate

5. Cost Per Acquisition (CPA)

Finally, what does this mean for CPA, profitability, return on investment (ROI)? Is it cheaper to acquire a customer through the long-tail?

Let’s have a look at the CPA column.

Again, there appears to be a clear trend between word count and CPA. Conversions from long-tail searches seem to be cheaper than conversions from generic, short-tail searches.

And it’s not just one or two conversions which are coming through long-tail searches, either. Remember how long-tails of 5 words or more accounted for 21% of all searches? Well, those 21% of long-tails generated a massive 40.5% of all conversions.

Fact: Long-tail keywords have a lower cost per acquisition and can be extremely profitable

Long-Tails Are Your Friend

As we have seen, the benefits of long-tail keywords are many:

1. Significant search volume
2. Higher CTR
3. Cheaper CPCs (or higher ad ranking)
4. Higher conversion rate
5. Lower CPA

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About Shivam Jadaun