Google Algorithm Updates 2023: A Beginners Guide
Google Algorithm Updates 2023
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This update occurs about two to four times a year, and is carried out after Google officially announces it in advance.
The latest core update was implemented on August 23, 2023 and is named by Google as "August 2023 core update."
There are concerns about the impact of core updates on SEO.
In other words, the keyword rankings of each site's indexed pages (blog articles) are likely to increase or decrease significantly (hit), making it easier for search rankings to change.
In particular, if your search rankings have declined, it is necessary to take appropriate SEO measures.
Based on this point, this time I would like to explain the main points in an easy-to-understand manner even for beginners, focusing on the definition of core updates, the latest core updates, and countermeasures.
Table of contents
.01. What is a core update?
- Core update history (history).
- Changes in tool rankings
- Ranking fluctuation range by keyword genre
- Impact on search
3. Core update from March 15, 2023
- Changes in tool rankings
- Ranking fluctuation range by keyword genre
- Impact on search
4. Core update from September 13, 2022
- Changes in tool rankings
- Ranking fluctuation range by keyword genre
- Impact on search
5. Core update from May 26, 2022
- Changes in tool rankings
- Ranking fluctuation range by keyword genre
- Impact on search
6. How to deal with core updates
- Increase EAT
- Improve UX (user experience)
- Provide users with the information they seek
7. Core update countermeasure example [August 2023 version]
8. What will happen if no measures are taken to update the core?
9. Core Update FAQ
10. Summary: Constantly How to deal with core updates
What is a core update?
Core update is an abbreviation for "core algorithm update". Google will significantly review and update the base of its search algorithms.
Small updates to the search algorithm occur every day, but large-scale (extensive) updates with core algorithm updates occur several times a year (about 2-4 times).
This core update will be rolled out to each data center following Google's official advance announcement.
By being expanded, There will be major adjustments to Google's search algorithm, which will have a big impact on search results (search rankings).
As a result, the ranking change will be the largest.
By the way, the rollout of core updates will basically be completed in about 3 to 4 days, and the updates will be gradually eased.
It may take approximately 2 weeks for everything to be completed.
Core update history (history)
The past history of core updates is as follows: In 2023, the first time will be on March 15th, and the second time will be on August 23rd. In 2022, the first time will be on May 26th, and the second time will be on September 13th. In 2021, the first time was on June 3rd, the second time was on July 2nd, and the third time was on November 18th. In 2020, there will be a total of three times: January 14th, May 5th, and December 4th.
By the way, in 2019, the core algorithm update was carried out three times in total: March 12th, June 4th, and September 24th.
Big Google updates like the Core Algorithm Update have been implemented in the past, such as Helpful Content Update , Panda Update, and Penguin Update.
By the way, the Panda update and Penguin update are currently incorporated into the core algorithm.
In other words, they are all updated at the same time as core algorithm updates (core updates), which are performed regularly.
Core update from August 23, 2023 (latest update)
After Google's official advance notice on August 23, 2023"Core update (core algorithm update)" has been implemented.
This means that the core update, which was rolled out from August 23, 2023, was completed 16 days later, on September 8.
- Changes in tool rankings
- Ranking fluctuation range by keyword genre
- Impact on search
Changes in tool rankings
For some tools, including those from overseas, we can see larger changes in rankings than usual due to the core update starting August 23, 2023.
*Source: SEMrush
Ranking fluctuation range by keyword genre
With the core update from August 23, 2023,The range of ranking fluctuations for each keyword category is increasing across the board.
In particular, the rankings fluctuate widely, with keywords such as "housing, moving" and "living/marriage/love" leading the way.
Additionally, the range of ranking fluctuations for keywords in YMYL genres such as "health and medicine" and "finance, finance, law" is becoming more noticeable with each passing day.
Due to this situation, overall ranking fluctuations have increased compared to before the core update (normal).
Impact on search
The core update from August 23, 2023 has had a considerable impact on searches in Japan and overseas.
Domestic site
Overseas sites
Domestic site
The core update from August 23, 2023 has had a considerable impact on the search performance of domestic sites such as keywords managed by our company and our blog "SEO Lab".
Keyword ranking
Our blog “SEO Lab”
Keyword ranking
Due to ranking changes due to the core update from August 23, 2023, the search rankings for some keywords will be affected as follows.
Keyword A: Volume “100-1000”, genre “IT”, number of words “single word” Increased from 55th to 9th place!
It had fluctuated between 70th and 25th place, but due to a core update, on August 23, 2023 It rose from 55th to 20th place. After that, it temporarily dropped to 38th place on August 24th, but rose to 9th place on August 25th.
Impact of core update from August 23, 2023 on keyword A rankings
Keyword B: Volume “100-1000”, genre “IT”, number of words “single word” Increased from 8th to 5th place!
It went back and forth between 9th and 7th place, but due to a core update, it will be on August 28, 2023.It is rising from 8th to 5th place.
Impact of core update from August 23, 2023 on keyword B rankings
Keyword C: Volume “100-1000”, genre “IT”, number of words “2-word compound word” fell from 11th to 23rd place!
It fluctuated between 16th and 10th place, but due to a core update, it will be on August 28, 2023.It has fallen from 16th to 23rd place.
We will introduce the impact on the search ranking and search traffic of "SEO Lab" due to the core update from August 23, 2023.
Looking at the keyword ranking of this blog "SEO Lab" from the search performance "posting rank" of Search Console, before the core update (August 18, 2023) it was "12.9th", but after the core update (2023) August 25th) is "13.5th place".
that's why,The ranking is almost flat.
In addition, if you look at the number of impressions for this blog "SEO Lab" in a search from the search performance "total number of impressions" on the search console, before the core update (August 18, 2023) the number of impressions in the search is "134,021" After the update (August 25, 2022) it is "124,458".
that's why,The number of impressions in searches remains almost the same.
This is due to the fact that the ranking and number of impressions in search remain almost the same. The number of search clicks has also remained roughly the same.(Before the core update (August 18, 2023) it was "3,231" and after the core update (August 25, 2023) it was "3,215, so the number of clicks is almost unchanged.")
As you can see, the number of search clicks has remained almost flat. In addition, the search rankings for the main KW “SEO” and “SEO measures” are maintaining the 1st or 2nd place, respectively, as of August 28, 2023.
In other words, it can be said that SEO Lab received a certain level of good evaluation from Google in the August 2023 Google Core Update.
Summary:
Constantly review the quality of your site in preparation for regular core updates
The core update is This is an update that site operators should keep in mind.
This is because they are regular updates that have a big impact on all sites that are indexed in Google search.
Specifically, your search rankings may drop significantly, resulting in a significant loss of search traffic.
If this happens, the inflow of traffic to your site will decrease, leading to a decline in conversions such as inquiries and applications from the web.
As a result, there is an increased possibility that this will directly lead to a decline in sales.
In order to deal with these negative effects, constantly review the quality of your content and operate a site that is easily evaluated by Google.
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