▼ Shingu City (Wakayama Prefecture) website
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Let's WARP to the past
of the Web!
Q. What is the NDL Web Archiving Project
(WARP)?
A. This is a project in which the National Diet
Library (NDL) regularly collects and archives the
content of Japanese websites for patrons to use
them in the future.
WARP stands for "Web ARchive Project."
Q. What does WARP enable us to do?
A. WARP enables patrons to view an archived
version of a website as it was at the time it was
collected.
As of
2004/6/18
As of
2014/6/5
As of
2024/6/5
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Published in January 2026
Email: [email protected]
Digital Library Division,
Kansai-kan of the NDL
2010
2006
2002
WARP starts to collect
websites of public agencies
per the 2009 revision of the
National Diet Library Law.
Start of full-fledged operation.
As of 31 October 2025
Statistics
The History of WARP
14,522
287,660
3,877TB
15,964,543,433
Number of targets
Number of captures
Data size
Number of files
Start of the WARP pilot
project.
Search on WARP
View on WARP
What can I view on WARP?
A purple WARP banner is displayed at the top of the web page to make it clear
that the web page you are viewing has been archived and may be out of date.
Archived websites can
be listed by organization.
Archived websites can also
be listed by theme.
Clicking on , you can open the archived dates
in a calendar format and move to the web page
archived on a different day.
Clicking on ,
you can close the purple WARP banner.
WARP collects the websites of public agencies in Japan
per the National Diet Library Law.
Available online
Available only at the NDL
Click on the page title.
Search Results
If you want to view past web pages, use
Collections by
Organization / Theme
This is the date the web page you are viewing
is archived.
Clicking on , you can move to
the web page archived on a different day.
Enter the website name, URL
and other keywords,
and click on the button.
National Diet Library website as of 20 January 2005
You can view the following sites:
Websites of Public Agencies
Websites of Private Organizations
National Institutions
National and Public Universities
etc.
Local Governments
Political Parties
Private Universities
Academic Societies
Events
etc.
The complete WARP archive of websites is available for
browsing on the premises of the NDL.
Moreover, over 90% of these archived websites are available
via the Internet with the permission of their publishers,
thereby enabling WARP patrons to access a wide variety of
information online.
WARP collects the websites of private organizations
with the permission of the publishers.
Over 90% of
archived websites
can be viewed online!
On the Internet
You can view an archived version
of a website as it was at the time
it was collected.
You can also move to the linked page.