Criticalarc Limited’s Cookie Policy

Information about our use of cookies

Our website uses cookies to distinguish you from other users of our website. This helps us to provide you with a good experience when you browse our website and also allows us to improve our site. By continuing to browse the site, you are agreeing to our use of cookies.

A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer’s hard drive.

We use the following cookies:

Performance Cookies

These are used to collect information about how you use our website, for example, what pages you visit as well as if you experience any errors. These cookies do not collect any information that can identify you; all information collected is anonymous which we use to improve the functionality of our website.

Strictly Necessary Cookies

These are essential to enable you to move around our website and use its features and cannot be switched off. These are usually set in response to actions made by users such as setting your privacy preferences, accessing secure areas of our site, for example, my account or filling in contact forms. You can change your browser settings to block or alert you of these cookies, however, this can cause some parts of the site to not work.

Targeting Cookies

These cookies are set by our third-party advertising partners. These may be used to create a profile of your interests and therefore present you with relevant ads on other sites that you visit. These uniquely identify your browser and device; should you choose not to allow these cookies, our targeted advertising will no longer apply to you. 

Functional Cookies

These help to provide certain navigation elements of our website which enhance your browsing experience and the functionality of the website. These tend to be set by third-party providers to allow videos and live chats. Should you choose not to allow these cookies, some or all of these functionalities may not perform properly.  


Cookie Name, Description, Domain, Expiration Time, Purpose

_ga, Used to distinguish users on the Google Analytics platform.,, 2 years, PERFORMANCE

_gat, Used to distinguish users on the Google Analytics platform.,, 1 minute, PERFORMANCE

_gid, Used to distinguish users on the Google Analytics platform.,, 1 day, PERFORMANCE

wordpress_google_apps_login, Allows users to login to the site with their Google Account,, Session, PERFORMANCE

__hs_opt_out, This cookie is used by the opt-in privacy policy to remember not to ask the visitor to accept cookies again. This cookie is set when you give visitors the choice to opt out of cookies.,, 2 years, STRICTLY NECESSARY

__hs_do_not_track, This cookie can be set to prevent the tracking code from sending any information to HubSpot. Setting this cookie is different from opting out of cookies, which still allows anonymized information to be sent to HubSpot.,, 2 years, STRICTLY NECESSARY

__hs_testcookie, This cookie is used to test whether the visitor has support for cookies enabled., n/a, Session, STRICTLY NECESSARY

hs_ab_test, This cookie is used to consistently serve visitors the same version of an A/B test page that they’ve seen before.,, n/a, STRICTLY NECESSARY

<id>_key, When visiting a password-protected page, this cookie is set so future visits to the page from the same browser do not require login. The cookie name is unique for each password-protected page.,, n/a, STRICTLY NECESSARY

hs-messages-is-open, This cookie is used on the visitor UI side so HubSpot can determine/save whether the chat widget is open for future visits. It resets after 30 minutes to re-close the widget after 30 minutes of inactivity.,, 30 minutes, STRICTLY NECESSARY

hs-messages-hide-welcome-message, When you dismiss the welcome message in your messages tool, a cookie is set to prevent it from appearing again for one day.,, 1 Day, STRICTLY NECESSARY

__hstc, The main cookie for tracking visitors. It contains the domain, utk (see below), initial timestamp (first visit), last timestamp (last visit), current timestamp (this visit), and session number (increments for each subsequent session).,, 2 years, TARGETING

hubspotutk, This cookie is used for to keep track of a visitor’s identity. This cookie is passed to HubSpot on form submission and used when de-duplicating contacts.,, 10 Years, TARGETING

__hssc, This cookie keeps track of sessions. This is used to determine if we should increment the session number and timestamps in the __hstc cookie. It contains the domain, viewCount (increments each pageView in a session), and session start timestamp.,, 30 minutes, PERFORMANCE

__hssrc, Whenever HubSpot changes the session cookie, this cookie is also set. We set it to 1 and use it to determine if the visitor has restarted their browser. If this cookie does not exist when we manage cookies, we assume it is a new session.,, Session, PERFORMANCE

messagesUtk, This cookie is used to recognize visitors who chat with you via the messages tool. If the visitor leaves your site before they’re added as a contact, they will have this cookie associated with their browser. If you have a history of chatting with a visitor and they return to your site later in the same cookied browser, the messages tool will load your conversation history with that visitor.,, n/a, PERFORMANCE

ARRAffinity, This cookie is set by websites run on the Windows Azure cloud platform. It is used for load balancing to make sure the visitor page requests are routed to the same server in any browsing session.,, Session, STRICTLY NECESSARY

Please note that third parties (including, for example, advertising networks and providers of external services like web traffic analysis services) may also use cookies, over which we have no control. These cookies are likely to be analytical/performance cookies or targeting cookies.

You block cookies by activating the setting on your browser that allows you to refuse the setting of all or some cookies. However, if you use your browser settings to block all cookies (including essential cookies) you may not be able to access all or parts of our site.

Cookies and Google

Google Analytics cookies are classified as first party cookies as they are set by our website domain, although Google collects and processes information from our use of Google Analytics.

To find out more about how Google handles information collected from Google Analytics, see Google Analytics’ privacy policy, which is available here.

For information on how Google uses data from cookies it uses, click here.

For Google’s general privacy policy (including, in relation to YouTube), click here.

Google Analytics Op-out Browser Add-on: You can opt out of Google Analytics tracking by installing the browser add-on which is available here.

Periodically, CriticalArc uses remarketing with Google Analytics to advertise online. Third party vendors, including Google, may show CriticalArc’s ads on sites across the Internet. By using the Ads Settings, visitors can opt-out of Google Analytics for Display Advertising and customize Google Display Network ads. 

The use of third-party cookies

Details of the third-party cookies that may be used on our site are set out in the table above.

Controlling cookies

You can control cookies through your browser settings preferences.

How do you decline or remove cookies?

Please note that your browser enables you to disable all cookies. However, disabling all cookies may interfere with your use of this website or other internet websites.

To decline to receive cookies, simply change your browser settings on your computer or other device. Most browsers also provide functionality that lets you review and erase cookies.

If you use a new computer, upgrade or change web browsers or take any action which results in the deletion of the “opt out” cookie, you will need to perform this opt-out process again upon any such change.

To learn more about cookies, including how to see what cookies have been set and how to manage and delete them, visit, or


Browser manufacturers provide help pages relating to cookie management in their products.

Please see below for more information. For other browsers, please consult the documentation that your browser manufacturer provides.