Domains are portions of a URL
You can limit your search to a specific domain or webpage using the site: followed directly by the site or domain you would like to search.
Imagine you want to find an website about the immigrant identity in the United Kingdom.
site:.ac.uk "immigrant identity"
This search will return only results published on websites with a .ac.uk domain name that include the phrase "immigrant identity"
Not everything available on the internet will show up in Google search results. For example, your emails and medical records don't show up on Google (which is a good thing!). Similarly, the digital contents of libraries, museums and archives are not always going to show up in Google results. You will often need to go to the institutions webpage and search within the collection there.
Here are some search strategies for finding libraries, archives, ect. that you can search.
Institution Type + Topic (broad)
|Sample Institution Types||Sample Topic Keywords|
Imagine you are looking for information about the Windrush generation. Specifically you are looking for primary sources like you would find in an archive. You might Google the following keywords:
You may want to include a wider variety of institutions in your search. In that case you can use boolean operators and parenthesis to construct a broader search.
(library OR museum OR gallery OR archive) Windrush