Note: If you're on an iPhone or iPad, there may be a different and more likely cause. Find out more about iPhone age verification.
The UK's Online Safety Act has introduced new rules requiring online services to verify that users are adults before granting access to age-restricted content, such as dating sites.
Under the Online Safety Act, ISPs are now required to provide filtering tools, and most will turn these on by default. So you may find that Christian Connection has been blocked without you realising.
Each ISP has its own name for this feature (see below), and each operates in a slightly different way, but in general, you can manage the filtering online by simply logging in to your ISP account.
If you're in the UK, follow the link below to your provider to find out how to manage your filters:
For a general overview, Broadband Genie has produced a guide on setting up parental controls.