diff --git a/config/services/librespeed.nix b/config/services/librespeed.nix
index 8ace17d..a09cbd0 100644
--- a/config/services/librespeed.nix
+++ b/config/services/librespeed.nix
@@ -1,6 +1,7 @@
-{ ... }: {
+{ pkgs, ... }: {
   services.librespeed = {
     enable = true;
+    package = pkgs.librespeed-go;
     domain = "speed.kyouma.net";
   };
 }
diff --git a/config/services/nginx.nix b/config/services/nginx.nix
index 6f8e773..1a11e0a 100644
--- a/config/services/nginx.nix
+++ b/config/services/nginx.nix
@@ -34,5 +34,11 @@
       add_header Referrer-Policy 		        "same-origin" always;
       #add_header Content-Security-Policy    "script-src 'self'; object-src 'none'; base-uri 'none';" always;
     '';
+    eventsConfig = ''
+      multi_accept on;
+    '';
+    appendConfig = ''
+      worker_processes auto;
+    '';
   };
 }
diff --git a/flake.lock b/flake.lock
index bb47470..6e7700a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -743,11 +743,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1727040444,
-        "narHash": "sha256-19FNN5QT9Z11ZUMfftRplyNN+2PgcHKb3oq8KMW/hDA=",
+        "lastModified": 1727437159,
+        "narHash": "sha256-v4qLwEw5OmprgQZTT7KZMNU7JjXJzRypw8+Cw6++fWk=",
         "owner": "nixos",
         "repo": "nixos-hardware",
-        "rev": "d0cb432a9d28218df11cbd77d984a2a46caeb5ac",
+        "rev": "d830ad47cc992b4a46b342bbc79694cbd0e980b2",
         "type": "github"
       },
       "original": {
@@ -874,11 +874,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1727122398,
-        "narHash": "sha256-o8VBeCWHBxGd4kVMceIayf5GApqTavJbTa44Xcg5Rrk=",
+        "lastModified": 1727348695,
+        "narHash": "sha256-J+PeFKSDV+pHL7ukkfpVzCOO7mBSrrpJ3svwBFABbhI=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "30439d93eb8b19861ccbe3e581abf97bdc91b093",
+        "rev": "1925c603f17fc89f4c8f6bf6f631a802ad85d784",
         "type": "github"
       },
       "original": {
@@ -905,11 +905,11 @@
         "treefmt-nix": "treefmt-nix_2"
       },
       "locked": {
-        "lastModified": 1727402188,
-        "narHash": "sha256-AxZVGgsWBDbhO1JVrYoHWG2IW5Se8JjJhC93Yfst4AM=",
+        "lastModified": 1727471696,
+        "narHash": "sha256-3r/VNQp5aJK9Gj8hKdfSYqeXcc0kqpfFYhEg8ioWttE=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "cb2b76c1a9ec067ed0c449080f4973fecf8532ef",
+        "rev": "b5c19b6abb0fb0156b1cb76793b363e430e2cb47",
         "type": "github"
       },
       "original": {
@@ -985,11 +985,11 @@
         "nixpkgs-stable": "nixpkgs-stable_2"
       },
       "locked": {
-        "lastModified": 1726524647,
-        "narHash": "sha256-qis6BtOOBBEAfUl7FMHqqTwRLB61OL5OFzIsOmRz2J4=",
+        "lastModified": 1727423009,
+        "narHash": "sha256-+4B/dQm2EnORIk0k2wV3aHGaE0WXTBjColXjj7qWh10=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "e2d404a7ea599a013189aa42947f66cede0645c8",
+        "rev": "127a96f49ddc377be6ba76964411bab11ae27803",
         "type": "github"
       },
       "original": {
diff --git a/modules/librespeed/default.nix b/modules/librespeed/default.nix
index 68504f5..f5ad429 100644
--- a/modules/librespeed/default.nix
+++ b/modules/librespeed/default.nix
@@ -130,11 +130,19 @@ in {
     services.nginx.virtualHosts = lib.mkIf cfg.configureNginx {
       ${cfg.domain} = {
         locations."/" = {
-          proxyPass = "http://${cfg.settings.bind_address}:${toString cfg.settings.listen_port}";
+          proxyPass = "http://[::1]:${toString cfg.settings.listen_port}";
           recommendedProxySettings = true;
+          extraConfig = ''
+            proxy_cache off;
+            proxy_buffering off;
+            proxy_request_buffering off;
+          '';
         };
         enableACME = true;
         forceSSL = true;
+        extraConfig = ''
+          gzip off;
+        '';
       };
     };
     security.acme.certs = lib.mkIf cfg.configureNginx {
@@ -144,7 +152,7 @@ in {
     services.librespeed.servers = lib.mkIf (cfg.domain != null) [
       {
         name = cfg.domain;
-        server = "https://${cfg.domain}";
+        server = "//${cfg.domain}${lib.optionalString (!cfg.configureNginx) ":${toString cfg.settings.listen_port}"}";
       }
     ];
     services.librespeed.settings = let
@@ -168,23 +176,28 @@ in {
           --replace-fail "TO BE FILLED BY DEVELOPER" ${lib.escapeShellArg (lib.escapeXML cfg.contactEmail)}
       '';
     in {
-      speed_test_dir = assets;
-      bind_address = mkDefault (if cfg.configureNginx then "127.0.0.1" else "0.0.0.0");
+      #speed_test_dir = assets;
+      assets_path = assets;
+      bind_address = mkDefault (if cfg.configureNginx then "::1" else "::");
       listen_port = mkDefault 8989;
-      base_url = mkDefault "backend";
-      worker_threads = mkDefault "auto";
+      #base_url = mkDefault "backend";
+      #worker_threads = mkDefault "auto";
 
+      server_lat = 0;
+      server_lng = 0;
+      proxyprotocol_port = 0;
+      redact_ip_addresses = false;
 
       #librespeed-rust will fail to start if the following config parameters are omitted.
       ipinfo_api_key = mkIf (!cfg.secrets ? "ipinfo_api_key") "";
       stats_password = mkIf (!cfg.secrets ? "stats_password") "";
-      tls_key_file = mkDefault "";
-      tls_cet_file = mkDefault "";
+      #tls_key_file = mkDefault "";
+      #tls_cet_file = mkDefault "";
 
       enable_tls = mkDefault false;
     } // rec {
       database_type = mkDefault "none";
-      database_file = mkIf (database_type == "sqlite") "/var/lib/librespeed/speedtest.sqlite";
+      database_file = mkIf (database_type == "sqlite") (mkDefault "/var/lib/librespeed/speedtest.sqlite");
     };
 
     systemd.services = let
@@ -242,7 +255,7 @@ in {
 
           DynamicUser = true;
 
-          ExecStartPre = lib.mkIf (!cfg.secrets ? "ipinfo_api_key") "${lib.getExe cfg.package} --update-ipdb";
+          #ExecStartPre = lib.mkIf (!cfg.secrets ? "ipinfo_api_key") "${lib.getExe cfg.package} --update-ipdb";
           ExecStart = "${lib.getExe cfg.package} -c ${if (cfg.secrets == {}) then configFile else "\${RUNTIME_DIRECTORY%%:*}/config.toml"}";
           WorkingDirectory = "/var/cache/librespeed";
           RuntimeDirectory = "librespeed";
diff --git a/pkgs/librespeed-go/default.nix b/pkgs/librespeed-go/default.nix
new file mode 100644
index 0000000..8b096bb
--- /dev/null
+++ b/pkgs/librespeed-go/default.nix
@@ -0,0 +1,34 @@
+{
+  lib,
+  fetchFromGitHub,
+  buildGoModule,
+}:
+let
+  version = "1.1.5";
+  src = fetchFromGitHub {
+    owner = "librespeed";
+    repo = "speedtest-go";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-ywGrodl/mj/WB25F0TKVvaV0PV4lgc+KEj0x/ix9HT8=";
+  };
+in
+buildGoModule {
+  pname = "librespeed-go";
+  inherit version src;
+
+  vendorHash = "sha256-ev5TEv8u+tx7xIvNaK8b5iq2XXF6I37Fnrr8mb+N2WM=";
+
+  ldflags = [ "-w" "-s" ];
+
+  postInstall = ''
+    cp -r web/assets $out/
+  '';
+
+  meta = {
+    description = "A very lightweight speed test implementation in Go.";
+    homepage = "https://github.com/librespeed/speedtest-go";
+    license = lib.licenses.lgpl3Plus;
+    maintainers = with lib.maintainers; [ snaki ];
+    mainProgram = "speedtest";
+  };
+}
diff --git a/pkgs/overlay.nix b/pkgs/overlay.nix
index 4ffc4eb..644d380 100644
--- a/pkgs/overlay.nix
+++ b/pkgs/overlay.nix
@@ -4,4 +4,5 @@ final: prev: {
   update-nixfiles = final.callPackage ./update-nixfiles/default.nix {};
   build-worker-oci = final.callPackage ./build-worker-oci/default.nix {};
   librespeed-rust = final.callPackage ./librespeed-rust/default.nix {};
+  librespeed-go = final.callPackage ./librespeed-go/default.nix {};
 }