diff --git a/web3_proxy/src/rpcs/one.rs b/web3_proxy/src/rpcs/one.rs
index f0b03127..3408bb6f 100644
--- a/web3_proxy/src/rpcs/one.rs
+++ b/web3_proxy/src/rpcs/one.rs
@@ -239,13 +239,13 @@ impl Web3Rpc {
     }
 
     /// sort by...
-    /// - backups last
-    /// - tier (ascending)
-    /// - block number (descending)
+    /// - tier (ascending. fastest servers first)
+    /// - backups (primary servers first)
+    /// - block number (descending. synced servers first)
     /// TODO: tests on this!
     /// TODO: should tier or block number take priority?
     /// TODO: should this return a struct that implements sorting traits?
-    fn sort_on(&self, max_block: Option<U64>) -> (bool, u32, Reverse<U64>) {
+    fn sort_on(&self, max_block: Option<U64>) -> (u32, bool, Reverse<U64>) {
         let mut head_block = self
             .head_block
             .as_ref()
@@ -260,13 +260,13 @@ impl Web3Rpc {
 
         let backup = self.backup;
 
-        (!backup, tier, Reverse(head_block))
+        (tier, !backup, Reverse(head_block))
     }
 
     pub fn sort_for_load_balancing_on(
         &self,
         max_block: Option<U64>,
-    ) -> ((bool, u32, Reverse<U64>), OrderedFloat<f64>) {
+    ) -> ((u32, bool, Reverse<U64>), OrderedFloat<f64>) {
         let sort_on = self.sort_on(max_block);
 
         let weighted_peak_ewma_seconds = self.weighted_peak_ewma_seconds();
@@ -282,7 +282,7 @@ impl Web3Rpc {
     pub fn shuffle_for_load_balancing_on(
         &self,
         max_block: Option<U64>,
-    ) -> ((bool, u32, Reverse<U64>), u8) {
+    ) -> ((u32, bool, Reverse<U64>), u8) {
         let sort_on = self.sort_on(max_block);
 
         let mut rng = nanorand::tls_rng();