Photo: Wensleydale, North Yorkshire


A cookie is a small file containing just text, downloaded on to a device when a user accesses certain web sites. Cookies are useful because they allow a web site to recognise a user’s device.

The European E-Privacy Directive requires that web sites setting cookies should inform users that cookies are being used and get their consent to this use of cookies - see below for more information.

This web site uses cookies

Like most web sites, the O'Reilly website uses cookies to:

  • monitor how many visitors use the site, how they find the site, which pages they visit and what computer systems they are using
  • help us improve the site and make it work well for all users

Which cookies are used?

This site uses:

  • Google Analytics cookies to monitor how many users are using the site, how they find the site, which pages they visit and what type of devices they are using. As an example, this information can help us see how many users are using mobile phones and how many are using computer monitors of various sizes. We can view reports analysing this information, but we can't identify individual users - see:
  • a session cookie storing the user's screen size in pixels, to help deliver the best size of image to that user as they browse around this site

Can any of the cookie information identify individuals?

We cannot identify individual users.

Granting us permission to use cookies

We presume that users who have their web browsers set up to accept cookies and who continue to use our site, have accepted this site's use of cookies.

Can I stop cookies being saved on my computer?

Users who do not want to have cookies saved on their computers or other devices can block them - see the information below. Users who do not block cookies are presumed to have given their consent to the cookies used on this site.

More information:

Please don't hesitate to contact us if you have any queries or need any more information.

Image: O'Reilly Chartered Accountants logo