Google Instant Indexing

To reduce the number of HTTP connections your client has to make, you can combine up to 100 calls to the Indexing API into a single HTTP request. You do this in a multi-part request called a batch. Quota is counted at the URL level. For example, if you combine 10 requests into a single HTTP request, it still counts as 10 requests for your quota. Default quota is 200 requests per dUse this when you want to notify Google about multiple page changes with one request. You can batch up to 100 URLs to one request. Daily quota is 200 urls.
If you want to get only the URL of the website from inside an HTML source code, then you can find it with this tool.