You can get so much from a single line of text. First, there's the excitement of finally tracking down your ancestor. You can discover basic details about them, as well as attach the official record to their entry in your family tree.
There will be two separate Index entries for marriages - one for the bride, and one for the groom. Comparing these two can help you make sure you've found the right ancestors. Look out for the "Find Spouse" or the "See others on page" links which wil allow you to double check. From 1912 the surname of the spouse was added to the Marriage Indexes which is also very helpful.
Sample records: [+] Click to magnify
A brief history of the Marriage Index
The formal registration of marriages in England and Wales began on 1st July 1837 with the introduction of Civil Registration. Before this, each individual parish was responsible for maintaining their own Parish register - so for events before 1837, check our Parish Records.
While Civil Registration was meant to bring all marriages together in one place, it's important to know that registration was only made compulsory by law in 1875. So if you can't find your pre-1875 ancestors here, this could be why.