diff --git a/app.js b/app.js
index 3a87478..40cb377 100755
--- a/app.js
+++ b/app.js
@@ -843,8 +843,14 @@ if (expressApp.get("env") === "local") {
 expressApp.use(function(req, res, next) {
 	var time = Date.now() - req.startTime;
 	var userAgent = req.headers['user-agent'];
+	var crawler = utils.getCrawlerFromUserAgentString(userAgent);
+	
+	if (crawler) {
+		debugAccessLog(`Finished action '${req.path}' (${res.statusCode}) in ${time}ms for crawler '${crawler}' / '${userAgent}'`);
 
-	debugAccessLog(`Finished action '${req.path}' (${res.statusCode}) in ${time}ms for UA '${userAgent}'`);
+	} else {
+		debugAccessLog(`Finished action '${req.path}' (${res.statusCode}) in ${time}ms for UA '${userAgent}'`);
+	}
 
 	if (!res.headersSent) {
 		next();
diff --git a/app/utils.js b/app/utils.js
index 89f89c0..5a71c04 100644
--- a/app/utils.js
+++ b/app/utils.js
@@ -48,7 +48,8 @@ const crawlerBotUserAgentStrings = {
 	"facebook": new RegExp("facebot", "i"),
 	"alexa": new RegExp("ia_archiver", "i"),
 	"aol": new RegExp("aolbuild", "i"),
-	"moz.com": new RegExp("dotbot", "i"),
+	"moz": new RegExp("dotbot", "i"),
+	"semrush": new RegExp("SemrushBot", "i")
 };
 
 const ipMemoryCache = {};
diff --git a/bin/test.js b/bin/test.js
new file mode 100644
index 0000000..3ab77a5
--- /dev/null
+++ b/bin/test.js
@@ -0,0 +1,21 @@
+const utils = require("../app/utils.js");
+
+console.log("test");
+
+global.activeBlockchain = "main";
+
+
+
+(async () => {
+	const perfResults = {};
+
+	await utils.timePromise("abc", async () => {
+		const x = utils.estimatedSupply(4802177);
+		console.log("xxx: " + x);
+
+	}, perfResults);
+
+	console.log("perfResults: " + JSON.stringify(perfResults));
+
+	process.exit(0);
+})();
diff --git a/package.json b/package.json
index ed18da9..4ac48fa 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
 	"bin": "bin/cli.js",
 	"scripts": {
 		"start": "node ./bin/www",
+		"test": "node ./bin/test.js",
 		"miners": "node ./bin/refresh-mining-pool-configs.js",
 		"integrity": "node ./bin/frontend-resource-integrity.js",
 		"css-light-debug": "node-sass --output-style expanded --source-map scss --precision 6 ./public/scss/light.scss ./public/style/light.css",