Cookie Policy

What are cookies?

When you visit the KDDI Websites, we collect certain data regarding your visit and activities via cookies. A cookie is a small file of letters and numbers that is stored on your computer or other device. Cookies help us to provide you with a good experience when you browse the KDDI Websites and to improve our sites. By continuing to browse the KDDI Websites (as applicable), you are agreeing to our use of cookies in accordance with this policy.

How do we use cookies?

We use the following cookies to ensure that the KDDI Websites (as applicable) are working properly,to remember your user preferences and to understand how visitors use the KDDI Websites so that we can better tailor our interactions with you:

Category 1 - Essential / Strictly necessary cookies.

These cookies are required to save your session and to carry out other activities that are strictly necessary for the operation of the KDDI Websites, for example, in relation to the distribution of traffic. These cookies are session cookies, which are temporary and will expire when you close your browser. We use this category of cookie on the KDDI Websites.

Category 2 - Analytical/performance cookies.

Analytical / performance cookies allow us to collect data about how visitors use the KDDI Websites (as applicable) (for example, the number of visitors and how visitors move around our website when they are using it). This helps us to improve the way the KDDI Websites (as applicable) work, for example, by assessing whether users are able to find what they are looking for easily and collecting data on any errors users might experience. We use this category of cookie on the KDDI Websites.

Category 3 - Functionality cookies.

These cookies allow us to recognise you if you return to the KDDI Websites (as applicable) from another website during the same browsing session. They are used to collect information about your preferences (for example, your choice of region or language) which helps us to improve your website experience. They also enable us to record when you have seen a policy or provided a consent which helps prevent repetitive pop-up messages or disclaimers. We use this category of cookie on the KDDI Websites.

We use the following cookies on the KDDI Websites :

Third party cookies

Please note that the KDDI Websites (as applicable) may link through to third party websites and third parties (including, for example, providers of external services like web traffic analysis services) may also use cookies, over which we have no control.

Several of the cookies we use are provided by third party providers as specified above. The third party operated services may be used to track your browsing habits in addition to the information specified and without our knowledge. Please refer to the privacy and/or cookie policy of the listed services for detailed information.

You may refuse the use of cookies by third parties by selecting the appropriate settings on your browser, however please note that if you do this you may not be able to use the full functionality of the KDDI Websites (as applicable).

By using the KDDI Websites (as applicable), you consent to the processing of data about you by the relevant third parties set out above in the manner and for the purposes described.

KDDI's advertisements appear on various Internet websites due to our tie-ups with a number of third-party advertisement distribution companies.

These third-party advertisement distribution companies distribute these advertisements using cookies, access data, KDDI identifiers and customer attribute information. The information used by the advertisement distribution companies is processed by KDDI so that no individual customer can be identified by any advertisement distribution company.

By accessing the opt-out page of each of the advertisement distributors listed below, you can disable this feature and prevent the use of cookies and access data by the advertisement distributors.

Managing cookies

You can block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. It is also possible to delete cookies that have been installed in the past. However, if you use your browser settings to block all cookies(including essential / strictly necessary cookies) you may not be able to access all or parts of KDDI Websites (as applicable).


You can find out more about cookies at This site will give you guidance on how to control and delete unwanted cookies you have already accepted.

We reserve the right to amend this Cookie Policy from time to time. Any changes will be posted within this page and shall become effective as soon as they are posted.