What is Voice Search Optimization (VSO)?

voice search optimization

What is voice search? It is a search system that allows the user to obtain the desired information by asking the device through sound or voice.
Optimizing for this search system is ” SEO of voice search “, also known as “Voice Search Optimization (VSO [Voice Search Optimization])”.
This VSO can basically be covered by doing SEO for normal search.

On the other hand, if the SEO of normal search is neglected, it will be difficult to be adopted in the search results of voice search.
Specifically, it will be difficult for your site to be adopted in the search results when you say “OK Google” with the microphone speaker (voice input function) of your smartphone and throw the word you want to look up.
This will reduce the number of searchers who visit your site.
As a result, the number of prospective customers will decrease, so you will not be able to expect an increase in sales.

To avoid these bad situations, learn the basics of Voice Search Optimization (VSO) and get your point across.

Based on this point, this time, I would like to explain the points that are easy for beginners to understand, focusing on voice search optimization (VSO) trends and countermeasures.

What is voice search? It is a search system that allows the user to obtain the desired information by asking the device through sound or voice.

For example, turn on (enable) [Siri] in the settings of a device running iOS, such as an iPhone or iPad.
In this state, after throwing the word “Hey Siri” to the iPhone or iPad, throw the word you want to look up.
Then, it will return search results for the word (question) you want to look up. (You can get the information you want.)
This search system is called voice search.

what is voice search optimization

Recently, smart speakers (AI speakers) that specialize in voice search are famous, such as “Google Home” from Google and “Alexa” from Amazon.
In addition, devices equipped with voice search systems such as “Siri” on iPhone, “Google Assistant (Gogole Assistant)” on Android devices, and “Cortana” by Microsoft are collectively called digital assistants.
These digital assistants can also return search results based on the needs of each user, just like a regular search function.

Read Also: How to attract customers to your homepage?

There are several benefits of voice search.

  • input speed is fast
  • You can search while

Input speed is fast

Advantages of voice search input speed is fast.

For example, after opening the Google search app on your smartphone and tapping the microphone icon in the search window that appears, speak into the smartphone’s microphone saying “Soccer bulletin”.
About 1 to 2 seconds after speaking, the phrase “soccer bulletin” has already been entered in the Google search window, and at the same time, the search results for the entered phrase are also displayed.
In other words, the input speed is fast.

In this way, the fast input speed is an advantage of voice search.

You can search while

Advantages of voice search It is possible to search while

For example, after opening the Google search app on your smartphone and tapping the microphone icon in the search window that appears, say “How to make fried rice” into the smartphone’s microphone.
You can prepare cooking utensils and ingredients by moving your hands while talking, or search for “how to make fried rice” while looking at the utensils and ingredients.
That means you can search while doing something else, rather than staring at your phone, tapping a letter with your hand, and not having to look with your eyes to see where the letter is or what you’re typing.

In this way, being able to search while doing so is an advantage of voice search.

Voice search market size

The size of the voice search market is By 2020, it is expected to account for about 50% of all searches.(* ComScore survey data)

In addition, the global speech and language recognition market size is It is reported to have grown strongly between 2015 and 2020.
From 2021 to 2026, it is expected to expand at a CAGR of 19.5%, which seems to be a positive outlook for the market. (*Survey data of IMARC Services Private Limited)

The national character in the use of voice search is, in fact, Japanese people are embarrassed and reluctant to use voice search, so it seems that there are few users.(* More than 70% are embarrassed to use voice search in public.) In
other words, unless the national character changes, the voice search market in Japan cannot be expected to expand that much, so the number of users who can attract customers may be limited.

What is Voice Search Optimization (VSO)?

Voice search is a search system that allows users to obtain desired information by speaking to the device through sound or voice.
Optimizing for this search system is called “Voice Search SEO”, also known as “Voice Search Optimization” (VSO [short for Voice Search Optimization]).

For example, we optimize your website for regular searches.
Specifically, we carry out internal and external measures for websites, content creation and page experience optimization for regular search.
By doing so, your site will be more likely to be displayed higher in regular searches, and it will also be more likely to be adopted in voice searches.
In other words, if you do SEO for normal search, it will also be SEO for voice search.
In this way, basically doing the same optimization as normal search is “Voice Search Optimization (VSO)”.

voice search

The tendency of sites that are likely to be adopted for voice search is You can see from the trend of the search results of 10,000 voice searches using “Google Home”.

  • Page speed plays a big role in SEO
  • Sites displayed in voice search are mostly HTTPS sites
  • Concise answers to voice search queries (simple, easy-to-read content)
  • Structured data is not very involved
  • Sites with high authority are more likely to be adopted
  • Content that is popular on social media is more likely to be adopted
  • Adopted even if there is no search query in the title tag
  • In some cases, answers are extracted from content with a large number of characters and adopted.
  • Content that is displayed at the top of PC searches is likely to be adopted
  • Sites displayed in featured snippets are more likely to be adopted

These trends are similar to regular searches.
In particular, page loading speed seems to be an important factor in the voice search algorithm.

SEO measures for voice search (VSO measures)

seo measure

Voice search SEO measures We will focus on improving “page loading speed” in particular after implementing the same SEO measures as for normal search.

For example, voice search algorithms tend to be similar to regular search algorithms, and page speed plays a big role in SEO.
Based on this, we will first perform internal and external measures, content creation, page experience optimization, and perform SEO measures similar to normal search.
Among these measures, we will focus on improving the LCP of core web vitals, especially in page experience optimization.
Specifically, it supports AMP, but if it is difficult to support AMP, reduce the load by reducing the size of images, JS, CSS files, etc.
In other words, we will focus on improving “page loading speed” after taking SEO measures similar to normal search.

In this way, SEO measures for voice search are to focus on improving “page loading speed” in addition to the same SEO measures as for normal search.

Summary: Understand the basics of voice search optimization (VSO) and get your point across

Understand the basics of voice search optimization (VSO), Get to the point.

On the other hand, even if you don’t know the basics of voice search optimization (VSO), you’ll basically be fine as long as you know the basics of regular search SEO.
Specifically, if you take SEO measures for normal search, your website will naturally be more likely to be adopted for voice search.
In order to make it easier to adopt in voice search, we will focus on improving “page loading speed”.

To get into this good situation, let’s take a look at the basics of Voice Search Optimization (VSO) and get your point across.