diff --git a/configuration/environments_scripts/reverse_proxy/files/var/www/cgi-bin/reverseProxyHealthcheck.sh b/configuration/environments_scripts/reverse_proxy/files/var/www/cgi-bin/reverseProxyHealthcheck.sh
index 396c9473c13..0c8a3a8f1f0 100755
--- a/configuration/environments_scripts/reverse_proxy/files/var/www/cgi-bin/reverseProxyHealthcheck.sh
+++ b/configuration/environments_scripts/reverse_proxy/files/var/www/cgi-bin/reverseProxyHealthcheck.sh
@@ -18,7 +18,7 @@ status() {
 }
 randomise() {
     # $1: A number to slightly randomise
-    echo $(($RANDOM % 10 + $1 ))
+    echo $(($RANDOM % 20 + $1 ))
 }
 # The names of the variables in the macros file.
 ARCHIVE_IP_NAME="ARCHIVE_IP"
@@ -37,14 +37,14 @@ ARCHIVE_IP_FILENAME="${CACHE_LOCATION}/archive_ip"
 ARCHIVE_AZ_FILENAME="${CACHE_LOCATION}/archive_az"
 LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME="${CACHE_LOCATION}/last_target_group_healthcheck_result"
 # The time it takes before the cache is reset.
-CACHE_TIMEOUT_SECONDS=120
+CACHE_TIMEOUT_SECONDS=125
 # Target group healthcheck timeout
 TARGET_GROUP_HEALTHCHECK_TIMEOUT_SECONDS=30
 # IPs and AZs of instance
 MY_IP=$( ec2-metadata --local-ipv4 | grep   -o "${IP_REGEX}")
 MY_AZ=$( ec2-metadata --availability-zone | grep -o "[a-zA-Z]\+-[a-zA-Z]\+-[0-9a-z]\+\>")
 ARCHIVE_IP=$(grep -m 1 "^Define ${ARCHIVE_IP_NAME}\> .*"  ${MACROS_PATH} | grep -o "${IP_REGEX}")
-ARCHIVE_TAG_KEY="temp-key"
+ARCHIVE_TAG_KEY="sailing-analytics-server"
 ARCHIVE_TAG_VALUE="ARCHIVE"
 if [[ "$1" == "cleanup" ]]; then
     rm -rf ${CACHE_LOCATION}
@@ -55,7 +55,7 @@ fi
 curl --silent --location --fail "http://${MY_IP}/internal-server-status" >/dev/null
 if [[ "$?" -ne 0 ]]; then
     status "500 Reverse proxy itself is unhealthy"
-    outputMessage "Reverse proxy is unhealthy"
+    outputMessage "Unhealthy: Reverse proxy is unhealthy."
     exit 0
 fi
 current_time=$(date +"%s")
@@ -65,8 +65,8 @@ if [[ ! -e "$ID_TO_AZ_FILENAME" || ! -e "$ARCHIVE_AZ_FILENAME" || "$(cat ${ARCHI
     echo "$instances" | jq -r ".Reservations | .[] | .Instances | .[]" | jq -r '"\(.InstanceId) \(.Placement.AvailabilityZone)"' > ${ID_TO_AZ_FILENAME}
     tmp_az=$(echo "$instances" | jq -r '.Reservations | .[] | .Instances | .[] | select(.Tags | any(.Key=="'${ARCHIVE_TAG_KEY}'" and .Value=="'${ARCHIVE_TAG_VALUE}'")) | "\(.Placement.AvailabilityZone)"')
     if [[ -z "$tmp_az" ]]; then
-        status "500 Unable to retrieve archive AZ"
-        outputMessage "Cannot retrieve archive AZ, ensure the correct tags are in place."
+        status "200"
+        outputMessage "Healthy: Forced healthy, as retrieval of archive AZ failed. Ensure the correct tags are in place."
         exit 1
     fi
     echo "$tmp_az" > ${ARCHIVE_AZ_FILENAME}
@@ -77,7 +77,7 @@ then
     archive_az=$(cat ${ARCHIVE_AZ_FILENAME})
     if [[ "$archive_az" == "$MY_AZ" ]]; then
         status "200"
-        outputMessage "Healthy: in the same az as the archive"
+        outputMessage "Healthy: In the same az as the archive."
     else
         if [[ ! -e "${LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME}" || "$(($current_time - $(stat --format '%Y' ${LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME}) ))" -gt "$(randomise $TARGET_GROUP_HEALTHCHECK_TIMEOUT_SECONDS)" ]]; then
             # This branch runs if the cached timestamp, of the last target group healthcheck, doesn't exist, or if it exceeds TARGET_GROUP_HEALTHCHECK_TIMEOUT_SECONDS.
@@ -91,25 +91,25 @@ then
             if [[ "$healthy_target_exists_in_same_az_as_archive" == "true" ]]; then
                 echo "unhealthy" > ${LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME}
                 status "503 Not in the same az"
-                outputMessage "Not in the same AZ; healthy instance in the same AZ."
+                outputMessage "Unhealthy: Not in the same AZ as the archive; healthy instance in the same AZ as the archive. (Result cached)"
             else
                 echo "healthy" > ${LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME}
                 status "200"
-                outputMessage "No healthy instance in the same AZ; forcing healthy for a short while."
+                outputMessage "Healthy: No healthy instance in the same AZ; forcing healthy for ${TARGET_GROUP_HEALTHCHECK_TIMEOUT_SECONDS} seconds. (Result cached)"
             fi
         else
             # This branch runs in the case that there is a timestamp file but the target group healthcheck has been performed within the TARGET_GROUP_HEALTHCHECK_TIMEOUT_SECONDS.
             if [[ -e "${LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME}" && "$(cat $LAST_TARGET_GROUP_HEALTHCHECK_RESULT_FILENAME)" == "healthy" ]]; then
                 status "200"
-                outputMessage "Using stored healthcheck, value healthy"
+                outputMessage "Healthy: Using cached healthcheck value 'healthy' (despite residing in a different AZ to the ARCHIVE)."
             else
                 status "503 Not in the same az"
-                outputMessage "Unhealthy: Not in the same az as the archive."
+                outputMessage "Unhealthy: Not in the same az as the archive and the value cached is unhealthy."
             fi
         fi
     fi
 else
     # We don't check if failover archive is in the same az
     status "200"
-    outputMessage "failover at play: force healthy"
+    outputMessage "Healthy: Failover at play, force healthy."
 fi
\ No newline at end of file