diff --git a/_site/results.go b/_site/results.go
new file mode 100644
index 0000000..647ba46
--- /dev/null
+++ b/_site/results.go
@@ -0,0 +1,37 @@
+package gophercloud
+
+// CommonResult acts as a base struct that other results can embed. It contains
+// the deserialized JSON structure returned from the server (Resp), and any
+// errors that might have occurred during transport or deserialization.
+type CommonResult struct {
+	Resp map[string]interface{}
+	Err  error
+}
+
+// RFC3339Milli describes a time format used by API responses.
+const RFC3339Milli = "2006-01-02T15:04:05.999999Z"
+
+// Link represents a structure that enables paginated collections how to
+// traverse backward or forward. The "Rel" field is usually either "next".
+type Link struct {
+	Href string `mapstructure:"href"`
+	Rel  string `mapstructure:"rel"`
+}
+
+// ExtractNextURL attempts to extract the next URL from a JSON structure. It
+// follows the common structure of nesting back and next links.
+func ExtractNextURL(links []Link) (string, error) {
+	var url string
+
+	for _, l := range links {
+		if l.Rel == "next" {
+			url = l.Href
+		}
+	}
+
+	if url == "" {
+		return "", nil
+	}
+
+	return url, nil
+}