Index: openacs-4/packages/xotcl-request-monitor/www/last100.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xotcl-request-monitor/www/last100.tcl,v
diff -u -N -r1.7.2.5 -r1.7.2.6
--- openacs-4/packages/xotcl-request-monitor/www/last100.tcl	29 Jan 2017 18:15:15 -0000	1.7.2.5
+++ openacs-4/packages/xotcl-request-monitor/www/last100.tcl	29 Jul 2017 10:35:37 -0000	1.7.2.6
@@ -13,6 +13,8 @@
 
 set title "Last 100 Requests"
 set context [list $title]
+set admin_p [acs_user::site_wide_admin_p]
+
 set stat [list]
 foreach {key value} [throttle last100] {lappend stat $value}
 
@@ -43,13 +45,30 @@
   } else {
     set user_string $requestor
   }
+
+  #
+  # Provide the urls only to admins as links.
+  #
+  # First of all, it is questionable, whether this page should be
+  # public. However, when this page is public, and a spider
+  # (re)submits a previously broken link, and visits then the last100
+  # page, it thinks that the site has still the broken page. This
+  # might happen e.g. with Google bot, leading to worse than necessary
+  # error rating.
+  #
+  if {$admin_p} {
+    set href "[ad_url]$url"
+  } else {
+    set href ""
+  }
   t1 add -time [clock format $timestamp -format "%H:%M:%S"] \
       -user $user_string \
       -user.href [export_vars -base last-requests {{request_key $requestor}}] \
       -ms $ms \
       -url $url \
-      -url.href "[ad_url]$url"
+      -url.href $href
 }
+
 set t1 [t1 asHTML]
 set last_url [ad_return_url]