We use small files called ‘cookies’ on imb.org.uk. Some are essential to make the site work, some help us to understand how we can improve your experience, and some are set by third parties. You can choose to turn off the non-essential cookies. Which cookies are you happy for us to use?
We use Google Analytics to measure how you use the website so we can improve it based on user needs. We do not allow Google Analytics to use or share the data about how you use this site.
| Name | Purpose | Expires |
|---|---|---|
| _ga | These help us count how many people visit on https://imb.org.uk/ by tracking if you’ve visited before | 2 years |
| _gid | These help us count how many people visit on https://imb.org.uk/ by tracking if you’ve visited before | 24 hours |
| _gat | These help us to manage how we collect analytics when we have lots of visitors on the site at one time | 10 minutes |
We use Google Analytics to measure how you use the website so we can improve it based on user needs. We do not allow Google Analytics to use or share the data about how you use this site.
| Name | Purpose | Expires |
|---|---|---|
| _ga | Used to distinguish users. | 2 years |
| _ga_S401P4BC3G | Used to persist session state. | 2 years |
An event allows us to measure a specific interaction or occurrence on your website or app
| Name | Purpose | Expires |
|---|---|---|
These cookies allow us to track your browsing activity and serve you with relevant adverts based on your interests. These cookies are disabled by default, so if you want to experience targeted content that’s tailored to you, you’ll need to click ‘Accept Cookies’ in the website pop up. If you choose to leave these cookies disabled, you won’t receive personalised advertising, including on platforms such as Facebook and Twitter.
| Name | Purpose | Expires |
|---|---|---|
| _gcl_au | Used by Google DoubleClick segment users into audience types and attribute campaign performance to your actions on this website, including conversions. | 90 days |
| _gcl_dc | To store ad click information (only if remarketing cookies are enabled), generate unique IDs for visitors to remember preferences and track and gather statistics and conversion rates through the website. | |
| _gcl_aw | To store ad click information (only if remarketing cookies are enabled), generate unique IDs for visitors to remember preferences and track and gather statistics and conversion rates through the website. |
LinkedIn Insights
| Name | Purpose | Expires |
|---|---|---|
| li_fat_id | Member indirect identifier for Members for conversion tracking, retargeting, analytics | 30 days |
The conversion tag shows us what happens after a website user interacts with our ads
| Name | Purpose | Expires |
|---|---|---|
We have no control over cookies set by third parties. You can turn them off, but not through us.
| Name | Purpose | Expires |
|---|---|---|
| YouTube | YouTube videos play in privacy-enhanced mode. This mode may set third-party cookies on your computer when you click on the YouTube video player. These cookies will not be personally identifiable. | Read the YouTube policy |
| Vimeo | Vimeo videos set third-party cookies to enable the video to play and collect analytics data. These cookies do not track individuals. | Read the Vimeo policy |
If you share a link to a page, the service you share it on (for example, Facebook) may set a cookie.
| Name | Purpose | Expires |
|---|---|---|
| Twitter widgets may add cookies to help analyse usage and remember your session if you are also logged in to your Twitter account. | Read the Twitter policy |
Always on
These cookies will always need to be on because they make our site work.
| Name | Purpose | Expires |
|---|---|---|
| wordpress_test_cookie | This is used to test whether the browser accepts cookies | When you close your browser |
| PHPSESSID | This is used to link your device to the information sent to the server from your browser. It is typically used to avoid you having to retype information when moving from one page to another. | When you close your browser |
| ccfw-banner-hidden | Lets us know you have chosen which cookies are used so we can stop the cookie banner appearing when you return to the site. | 1 year |
| ccfw-gtm-allowed | Lets us know you have accepted certain cookies so we can stop them loading when you return to the site. | 1 year |
| ccfw-time | This is used to store the cookie expiry dates so we know when to ask you again for consent. | 1 year |
| info_banner_dismissed | This remembers if an information banner has been dismissed and prevents it from being displayed again. | When you close your browser |
These cookies will always need to be on because they make our site work.
| Name | Purpose | Expires |
|---|---|---|
| wordpress_[hash] | This authenticates you when you log in to the admin area | When you close your browser |
| wordpress_logged_in | This shows the site that you’re logged in and who you are so you can access the functions you need | When you close your browser |
| wordpress_sec | If you are logged in as a site admin, this stores your authentication details. | When you close your browser |
| wp-settings-{time}-[UID] | The number on the end [UID] is your individual user ID from the users database. | 1 year |
London Heathrow and City Airports annual report 2021-22 (PDF, 565.0 KB)
Annual Report of the Independent Monitoring Board for the Short-Term Holding Facilities at London Heathrow and City Airports for reporting year 1 February 2021 – 31 January 2022.