diff --git a/app/coins/btc.js b/app/coins/btc.js
index 6d358f2..2820937 100644
--- a/app/coins/btc.js
+++ b/app/coins/btc.js
@@ -52,8 +52,16 @@ var currencyUnits = [
 module.exports = {
 	name:"Bitcoin",
 	ticker:"BTC",
-	logoUrl:"/img/logo/btc.svg",
-	siteTitle:"Bitcoin Explorer",
+	logoUrlsByNetwork:{
+		"main":"/img/logo/btc.svg",
+		"test":"/img/logo/tbtc.svg",
+		"regtest":"/img/logo/tbtc.svg"
+	},
+	siteTitlesByNetwork: {
+		"main":"Bitcoin Explorer",
+		"test":"Testnet Explorer",
+		"regtest":"Regtest Explorer"
+	},
 	siteDescriptionHtml:"<b>BTC Explorer</b> is <a href='https://github.com/janoside/btc-rpc-explorer). If you run your own [Bitcoin Full Node](https://bitcoin.org/en/full-node), **BTC Explorer** can easily run alongside it, communicating via RPC calls. See the project [ReadMe](https://github.com/janoside/btc-rpc-explorer) for a list of features and instructions for running.",
 	nodeTitle:"Bitcoin Full Node",
 	nodeUrl:"https://bitcoin.org/en/full-node",
diff --git a/app/config.js b/app/config.js
index 5fe341f..fb436fa 100644
--- a/app/config.js
+++ b/app/config.js
@@ -158,6 +158,7 @@ module.exports = {
 					title:"Related Sites",
 					links:[
 						{name: "Bitcoin Explorer", url:"https://explorer.btc21.org", imgUrl:"/img/logo/btc.svg"},
+						{name: "Testnet Explorer", url:"https://testnet.btc21.org", imgUrl:"/img/logo/tbtc.svg"},
 						{name: "LND Admin", url:"https://lnd-admin.chaintools.io", imgUrl:"/img/logo/lnd-admin.png"},
 						//{name: "Litecoin Explorer", url:"https://ltc.chaintools.io", imgUrl:"/img/logo/ltc.svg"},
 						//{name: "Lightning Explorer", url:"https://lightning.chaintools.io", imgUrl:"/img/logo/lightning.svg"},
diff --git a/public/img/logo/tbtc.svg b/public/img/logo/tbtc.svg
new file mode 100644
index 0000000..c9dcf62
--- /dev/null
+++ b/public/img/logo/tbtc.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="32" height="32"><g fill="none" fill-rule="evenodd"><circle cx="16" cy="16" r="16" fill="#39b703"/><path fill="#FFF" fill-rule="nonzero" d="M23.189 14.02c.314-2.096-1.283-3.223-3.465-3.975l.708-2.84-1.728-.43-.69 2.765c-.454-.114-.92-.22-1.385-.326l.695-2.783L15.596 6l-.708 2.839c-.376-.086-.746-.17-1.104-.26l.002-.009-2.384-.595-.46 1.846s1.283.294 1.256.312c.7.175.826.638.805 1.006l-.806 3.235c.048.012.11.03.18.057l-.183-.045-1.13 4.532c-.086.212-.303.531-.793.41.018.025-1.256-.313-1.256-.313l-.858 1.978 2.25.561c.418.105.828.215 1.231.318l-.715 2.872 1.727.43.708-2.84c.472.127.93.245 1.378.357l-.706 2.828 1.728.43.715-2.866c2.948.558 5.164.333 6.097-2.333.752-2.146-.037-3.385-1.588-4.192 1.13-.26 1.98-1.003 2.207-2.538zm-3.95 5.538c-.533 2.147-4.148.986-5.32.695l.95-3.805c1.172.293 4.929.872 4.37 3.11zm.535-5.569c-.487 1.953-3.495.96-4.47.717l.86-3.45c.975.243 4.118.696 3.61 2.733z"/></g></svg>
\ No newline at end of file
diff --git a/routes/baseActionsRouter.js b/routes/baseActionsRouter.js
index 2a7b5a9..7995e4c 100644
--- a/routes/baseActionsRouter.js
+++ b/routes/baseActionsRouter.js
@@ -184,6 +184,15 @@ router.get("/", function(req, res, next) {
 
 				res.render("index");
 
+				next();
+
+			}).catch(function(err) {
+				utils.logError("32978efegdde", err);
+				
+				res.locals.userMessage = "Error loading recent blocks: " + err;
+
+				res.render("index");
+
 				next();
 			});
 		});
diff --git a/views/includes/index-network-summary.pug b/views/includes/index-network-summary.pug
index cb9e2ef..2f55a18 100644
--- a/views/includes/index-network-summary.pug
+++ b/views/includes/index-network-summary.pug
@@ -8,24 +8,26 @@ div.row.index-summary
 	div(class=colClass)
 		h5.h6 Mining
 
-		- var hashrate1dayData0 = utils.formatLargeNumber(hashrate1d, 0);
-		- var hashrate7dayData0 = utils.formatLargeNumber(hashrate7d, 0);
-		- var hashrate1dayData1 = utils.formatLargeNumber(hashrate1d, 1);
-		- var hashrate7dayData1 = utils.formatLargeNumber(hashrate7d, 1);
 		table.table.table-borderless.table-sm.table-hover.mb-lg-0
 			tbody
-				tr
-					th.px-2.px-lg-0.px-xl-2
-						i.fas.fa-tachometer-alt.mr-1.summary-icon
-						span.border-dotted(title="Estimates for global network hashrate for 1 day / 7 days.", data-toggle="tooltip") Hashrate
-						small.ml-1 (d/w)
-					td.text-right.text-monospace
-						span.d-xxl-none #{hashrate1dayData0[0]}
-						span.d-none.d-xxl-inline #{hashrate1dayData1[0]}
-						small.text-muted  / 
-						span.d-xxl-none #{hashrate7dayData0[0]} 
-						span.d-none.d-xxl-inline #{hashrate7dayData1[0]} 
-						small.border-dotted(title=`${hashrate1dayData0[1].abbreviation}H = ${hashrate1dayData0[1].name}-hash (x10^${hashrate1dayData0[1].exponent})`, data-toggle="tooltip") #{hashrate1dayData0[1].abbreviation}H/s
+
+				if (hashrate1d && hashrate7d)
+					- var hashrate1dayData0 = utils.formatLargeNumber(hashrate1d, 0);
+					- var hashrate7dayData0 = utils.formatLargeNumber(hashrate7d, 0);
+					- var hashrate1dayData1 = utils.formatLargeNumber(hashrate1d, 1);
+					- var hashrate7dayData1 = utils.formatLargeNumber(hashrate7d, 1);
+					tr
+						th.px-2.px-lg-0.px-xl-2
+							i.fas.fa-tachometer-alt.mr-1.summary-icon
+							span.border-dotted(title="Estimates for global network hashrate for 1 day / 7 days.", data-toggle="tooltip") Hashrate
+							small.ml-1 (d/w)
+						td.text-right.text-monospace
+							span.d-xxl-none #{hashrate1dayData0[0]}
+							span.d-none.d-xxl-inline #{hashrate1dayData1[0]}
+							small.text-muted  / 
+							span.d-xxl-none #{hashrate7dayData0[0]} 
+							span.d-none.d-xxl-inline #{hashrate7dayData1[0]} 
+							small.border-dotted(title=`${hashrate1dayData0[1].abbreviation}H = ${hashrate1dayData0[1].name}-hash (x10^${hashrate1dayData0[1].exponent})`, data-toggle="tooltip") #{hashrate1dayData0[1].abbreviation}H/s
 
 				tr
 					th.px-2.px-lg-0.px-xl-2
diff --git a/views/index.pug b/views/index.pug
index 36c245f..09bd4e9 100644
--- a/views/index.pug
+++ b/views/index.pug
@@ -15,7 +15,7 @@ block content
 		if (config.demoSite && session.hideHomepageBanner != "true")
 			div.alert.alert-primary.alert-dismissible.shadow-sm.mb-3(role="alert")
 				span
-					span.font-weight-bold #{coinConfig.siteTitle}
+					span.font-weight-bold #{coinConfig.siteTitlesByNetwork[global.activeBlockchain]}
 					span  is 
 					a(href="https://github.com/janoside/btc-rpc-explorer", target="_blank") open-source
 					span  and easy to set up. It can communicate with your 
diff --git a/views/layout.pug b/views/layout.pug
index 9d583ef..35124ca 100644
--- a/views/layout.pug
+++ b/views/layout.pug
@@ -31,9 +31,12 @@ html(lang="en")
 			div.container
 				a.navbar-brand(href="/")
 					span
-						if (coinConfig.logoUrl)
-							img.header-image(src=coinConfig.logoUrl, alt="logo")
-						span #{coinConfig.siteTitle}
+						if (coinConfig.logoUrlsByNetwork && coinConfig.logoUrlsByNetwork[global.activeBlockchain])
+							img.header-image(src=coinConfig.logoUrlsByNetwork[global.activeBlockchain], alt="logo")
+						else
+							img.header-image(src="/img/logo/btc.svg", alt="logo")
+
+						span #{coinConfig.siteTitlesByNetwork[global.activeBlockchain]}
 						
 				button.navbar-toggler.navbar-toggler-right(type="button", data-toggle="collapse", data-target="#navbarNav", aria-label="collapse navigation")
 					span.navbar-toggler-icon
@@ -141,7 +144,7 @@ html(lang="en")
 							span.badge.badge-danger.ml-2 #{pageErrors.length.toLocaleString()}
 
 				if (userMessage)
-					div.alert(class=(userMessageType ? `alert-${userMessageType} border-${userMessageType}` : "alert-warning border-warning"), role="alert")
+					div.alert(class=(userMessageType ? `alert-${userMessageType}` : "alert-warning"), role="alert")
 						span #{userMessage}
 				
 				block content
@@ -197,10 +200,13 @@ html(lang="en")
 										a(href="https://explorer.btc21.org") https://explorer.btc21.org
 									
 									div.mt-2
-										- var demoSiteCoins = ["BTC"];
-										each demoSiteCoin in demoSiteCoins
-											a.mr-2(href=coinConfigs[demoSiteCoin].demoSiteUrl, title=coinConfigs[demoSiteCoin].siteTitle)
-												img(src=("/img/logo/" + demoSiteCoin.toLowerCase() + ".svg"), alt=demoSiteCoin.toLowerCase())
+										- var demoSites = [];
+										- demoSites.push({url:"https://explorer.btc21.org", logoUrl:"/img/logo/btc.svg", title:"Bitcoin Explorer"});
+										- demoSites.push({url:"https://testnet.btc21.org", logoUrl:"/img/logo/tbtc.svg", title:"Testnet Explorer"});
+
+										each demoSite in demoSites
+											a.mr-2(href=demoSite.url, title=demoSite.title)
+												img(src=demoSite.logoUrl, alt=demoSite.title)
 
 										a.mr-2(href="https://lnd-admin.chaintools.io", title="LND Admin")
 											img(src=("/img/logo/lnd-admin.png"), style="width: 32px; height: 32px;", alt="LND Admin")