Changes between Version 8 and Version 9 of LoadTimes

Timestamp:

07/05/11 14:19:23 (5 years ago)

Author:

chris

Comment:

--

LoadTimes

@@ -5 +5 @@
 
 == 2011-07-05 ==
+
+Summary for the live server:
+
+ * The front page, HTML only of the live site, not running varnish takes around 0.1 seconds to load
+ * The front page of the live site, plus css / js / images etc takes over 30 seconds via pingdom
+
+Issues for the live server:
+
+ * ETags and one CSS expression
+
+Summary for the dev server:
+
+ * Very fast on port 80 via Varnish, less than two seconds for the page and all objects
+ * Very slow for port 443, 7 seconds just for the HTML
+
+Issues for the dev server:
+
+ * Speed up port 443 accesses!
+ * Etag and gzipping of js files
+
+Detailed info follows:
+
 
 === Live Server ===
@@ -76 +98 @@
 ==== apache bench ====
 
-This is with the first hit being passed to apache:
+On port 80, this is with the first hit being passed to apache:
 
 {{{
@@ -133 +155 @@
 }}}
  
-
+==== YSlow ====
+
+ * Make fewer HTTP requests
+   * This page has 3 external stylesheets. Try combining them into one.
+   * This page has 14 external background images. Try combining them with CSS sprites.
+ * There are 2 plain text components that should be sent compressed
+   * https://piwik.transitionnetwork.org/piwik.js
+   * http://dev.transitionnetwork.org/sites/default/files/js/js_cb10d5814b295fb1648af27eb7a3f74b.js
+ * There is 1 component with misconfigured ETags
+   * https://piwik.transitionnetwork.org/piwik.js
+
+==== pingdom ====
+
+ * http://tools.pingdom.com/?url=http://dev.transitionnetwork.org/
+
+Load time between 1 and 1.5 seconds *total*!
+
+ * Total objects:    72 (809.7 KB)
+ * (X)HTML:    1 (31.4KB)
+ * CSS:    3 (95.8KB)
+ * Scripts:    1 (113.2KB)
+ * Images:    61 (364.7KB)
+ * Other:    6 (204.7KB)
+
+However for HTTPS it times out before loading many objects:
+
+ * http://tools.pingdom.com/?url=https://dev.transitionnetwork.org/
+
+==== curl ====
+
+For port 80 we consistently get around 30 mili seconds via Varnish:
+
+{{{
+curl -o /dev/null http://dev.transitionnetwork.org/
+
+  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
+                                 Dload  Upload   Total   Spent    Left  Speed
+100 32177  100 32177    0     0  2714k      0 --:--:-- --:--:-- --:--:-- 29.7M
+}}}
+
+
+Unlike ab we can use curl for port 443, just loading the front page HTML file takes around 7 seconds:
+
+{{{
+curl -o /dev/null https://dev.transitionnetwork.org/
+
+  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
+                                 Dload  Upload   Total   Spent    Left  Speed
+100 32076    0 32076    0     0   4545      0 --:--:--  0:00:07 --:--:--  8172
+}}}