I have installed the Redirection plugin in the WordPress Twenty Twenty Five theme.This plugin is a useful plugin that detects slug changes and automatically forwards them with a 301 redirect.

In a past article, I wrote about a case in which the slug (the last part of the URL) was left in Japanese and failed.

Google’s crawler also collects information about my site.If I just modify the URL without doing anything because I don’t like the Japanese slug, there will be a difference between the URL recorded by Google and the actual URL, and if I leave it as it is, I will get a “page not found” result.

Even though it was just after the site was launched, we didn’t want the recorded URL information to go to waste, so we were looking for some way to counteract the problem.

Then I found a plugin that would skip from the old page URL to the new page URL as a 301 redirect.

The 301 redirect is often used, for example, when moving a site or page.

• I’ve changed my domain name and migrated my WordPress posts, but I want them to read the URL of the new domain name when accessed with the old URL.
• When we move some articles to another site, we want the new URL to open automatically instead of writing a “moved” + link to the new URL in the old URL.

In this way, SEO can be carried over to the new URL.The Redirection plugin we have installed can handle site/page transfers like the one described above.

In addition, if the slug is changed, as in this case, the old URL is automatically changed to the new URL.

As a test, I fixed the first post on this blog.

Originally, the slug was also Japanese for “site-opening”.A quick edit changed this to “site-opening” in English.

Then the Redirection plugin automatically set up a 301 redirect!

From the WordPress admin menu, select Tools -> Redirection to see a list of URLs to be redirected.

You will see that the slug has been changed from “site-opening” to “site-opening”.Select Edit for more details.

The HTTP code 301 is automatically transferred from the source URL to the target URL in a permanent move.You can easily change the slug just as you would change the name of a file on your computer.

Currently there are 72 published articles, and about 80% of them are Japanese slugs. the Redirection plugin will automatically add forwarding conditions, so we will steadily change them one by one.