diff --git a/bubble-server/src/main/java/bubble/resources/stream/FilterHttpResource.java b/bubble-server/src/main/java/bubble/resources/stream/FilterHttpResource.java
index 99294890..bdfce47e 100644
--- a/bubble-server/src/main/java/bubble/resources/stream/FilterHttpResource.java
+++ b/bubble-server/src/main/java/bubble/resources/stream/FilterHttpResource.java
@@ -38,6 +38,7 @@ import static javax.ws.rs.core.HttpHeaders.CONTENT_LENGTH;
 import static org.cobbzilla.util.daemon.ZillaRuntime.empty;
 import static org.cobbzilla.util.daemon.ZillaRuntime.shortError;
 import static org.cobbzilla.util.http.HttpContentTypes.APPLICATION_JSON;
+import static org.cobbzilla.util.json.JsonUtil.COMPACT_MAPPER;
 import static org.cobbzilla.util.json.JsonUtil.json;
 import static org.cobbzilla.util.network.NetworkUtil.isLocalIpv4;
 import static org.cobbzilla.wizard.resources.ResourceUtil.*;
@@ -217,8 +218,8 @@ public class FilterHttpResource {
             activeRequests.put(requestId, filterRequest);
         }
 
-        if (log.isDebugEnabled()) {
-            log.debug("filterHttp: starting with requestId="+requestId+", deviceId="+deviceId+", matchersJson="+matchersJson+", contentType="+contentType+", last="+last);
+        if (log.isTraceEnabled()) {
+            log.trace("filterHttp: starting with requestId="+requestId+", deviceId="+deviceId+", matchersJson="+matchersJson+", contentType="+contentType+", last="+last);
         }
 
         final boolean isLast = last != null && last;
@@ -240,6 +241,8 @@ public class FilterHttpResource {
         final List<AppData> data = dataDAO.findEnabledByAccountAndAppAndSite
                 (fdc.request.getAccount().getUuid(), fdc.matcher.getApp(), fdc.matcher.getSite());
 
+        if (log.isDebugEnabled()) log.debug("readData: found "+data.size()+" AppData records");
+
         if (format == null) format = AppDataFormat.key;
         switch (format) {
             case key:
@@ -264,7 +267,7 @@ public class FilterHttpResource {
                               AppData data) {
 
         if (data == null || !data.hasKey()) throw invalidEx("err.key.required");
-
+        if (log.isDebugEnabled()) log.debug("writeData: received data="+json(data, COMPACT_MAPPER));
         final FilterDataContext fdc = new FilterDataContext(requestId, matcherId);
 
         data.setAccount(fdc.request.getAccount().getUuid());
@@ -272,6 +275,7 @@ public class FilterHttpResource {
         data.setSite(fdc.matcher.getSite());
         data.setMatcher(fdc.matcher.getUuid());
 
+        if (log.isDebugEnabled()) log.debug("writeData: recording data="+json(data, COMPACT_MAPPER));
         return ok(dataDAO.create(data));
     }
 
diff --git a/bubble-server/src/main/java/bubble/rule/AbstractAppRuleDriver.java b/bubble-server/src/main/java/bubble/rule/AbstractAppRuleDriver.java
index 72239580..237c0875 100644
--- a/bubble-server/src/main/java/bubble/rule/AbstractAppRuleDriver.java
+++ b/bubble-server/src/main/java/bubble/rule/AbstractAppRuleDriver.java
@@ -1,6 +1,7 @@
 package bubble.rule;
 
 import bubble.dao.app.AppDataDAO;
+import bubble.dao.app.AppSiteDAO;
 import bubble.model.account.Account;
 import bubble.model.app.AppMatcher;
 import bubble.model.app.AppRule;
@@ -19,6 +20,7 @@ public abstract class AbstractAppRuleDriver implements AppRuleDriver {
 
     @Autowired protected BubbleConfiguration configuration;
     @Autowired protected AppDataDAO appDataDAO;
+    @Autowired protected AppSiteDAO appSiteDAO;
 
     @Getter @Setter private AppRuleDriver next;
 
diff --git a/bubble-server/src/main/java/bubble/rule/social/block/JsUserBlocker.java b/bubble-server/src/main/java/bubble/rule/social/block/JsUserBlocker.java
index 33ed0108..ca7d253f 100644
--- a/bubble-server/src/main/java/bubble/rule/social/block/JsUserBlocker.java
+++ b/bubble-server/src/main/java/bubble/rule/social/block/JsUserBlocker.java
@@ -1,8 +1,10 @@
 package bubble.rule.social.block;
 
+import bubble.model.app.AppMatcher;
 import bubble.rule.AbstractAppRuleDriver;
 import lombok.Getter;
 import org.apache.commons.io.input.ReaderInputStream;
+import org.cobbzilla.util.collection.ExpirationMap;
 import org.cobbzilla.util.handlebars.HandlebarsUtil;
 import org.cobbzilla.util.io.regex.RegexFilterReader;
 import org.cobbzilla.util.io.regex.RegexReplacementFilter;
@@ -44,7 +46,7 @@ public class JsUserBlocker extends AbstractAppRuleDriver {
         ctx.put(CTX_JS_PREFIX, "__bubble_"+sha256_hex(requestId)+"_");
         ctx.put(CTX_BUBBLE_REQUEST_ID, requestId);
         ctx.put(CTX_BUBBLE_HOME, configuration.getPublicUriBase());
-        ctx.put(CTX_SITE, matcher.getSite());
+        ctx.put(CTX_SITE, getSiteName(matcher));
         ctx.put(CTX_BUBBLE_DATA_ID, requestId+"/"+matcher.getUuid());
 
         final String siteJs = HandlebarsUtil.apply(getHandlebars(), getSiteJsTemplate(), ctx);
@@ -53,4 +55,9 @@ public class JsUserBlocker extends AbstractAppRuleDriver {
         return HandlebarsUtil.apply(getHandlebars(), BUBBLE_JS_TEMPLATE, ctx);
     }
 
+    private ExpirationMap<String, String> siteNameCache = new ExpirationMap<>();
+    private String getSiteName(AppMatcher matcher) {
+        return siteNameCache.computeIfAbsent(matcher.getSite(), k -> appSiteDAO.findByAccountAndId(matcher.getAccount(), matcher.getSite()).getName());
+    }
+
 }
diff --git a/utils/cobbzilla-utils b/utils/cobbzilla-utils
index c006089b..7f944cf9 160000
--- a/utils/cobbzilla-utils
+++ b/utils/cobbzilla-utils
@@ -1 +1 @@
-Subproject commit c006089b05f4461783ee340b9d39f1557b27728d
+Subproject commit 7f944cf93d24bd47b5a8f124abddbc34bb2ef7f3