diff --git a/lib/CProject.php b/lib/CProject.php
index 3a3a393..7a99bbb 100644
--- a/lib/CProject.php
+++ b/lib/CProject.php
@@ -3,15 +3,21 @@
 class CProject {
 	
 	private $dir;
+	
 	public $projname;
 	public $shortdesc = '(no description)';
 	public $subtag = '';
 	public $lastupdate = 0;
+	public $numreleases = 0;
+	
 	private $longdesc = '';
 	private $prefix_html = '';
 	private $images = array();
 	private $downloads = array();
 	private $downloads_hashes = array();
+	
+	public $lifespan = 0;
+	
 	public $tags = array();
 	
 	public $homeimage = null;
@@ -29,31 +35,47 @@ class CProject {
 			
 			if ($file == 'README.txt') {
 				
+				$this->longdesc = file_get_contents($this->dir.'README.txt');
+				
 				// Guess 'last update' time
 				$matches = [];
 				if (preg_match('~\n(\d\d\d\d-\d\d-\d\d)~', $this->longdesc, $matches)) {
 					// Use first date entry (assumed to be a CHANGELOG)
 					$this->lastupdate = strtotime($matches[1]);
 					$found_real_lastupdate = true;
-					
 				}
 				
-				$this->longdesc = file_get_contents($this->dir.'README.txt');
+				// Find number of releases
+				preg_match_all('~\n(\d\d\d\d-\d\d-\d\d)~', $this->longdesc, $matches, PREG_SET_ORDER);
+				$this->numreleases = count($matches);
 				
+				// Find support lifespan (newest minus youngest)
+				$eldest = time();
+				$newest = 0;
+				foreach($matches as $match) {
+					$stamp = strtotime($match[1]);
+					$eldest = min($stamp, $eldest);
+					$newest = max($stamp, $newest);
+				}
+				$this->lifespan = floor(max(0, $newest - $eldest) / 3600); // could divide by 86400 but it doesn't matter
+				
+				// Find 'written in'
 				$matches = array();
 				if (preg_match('~Written in ([^\\r\\n]+)~', $this->longdesc, $matches)) {
 					$this->subtag = rtrim($matches[1], ' .');
 				}
 				
+				// Find tags
 				if (preg_match('~Tags: ([^\\r\\n]+)~', $this->longdesc, $matches)) {
 					$this->tags = array_map('trim', explode(',', $matches[1]));
 				}
 				
+				// Extract short description
 				$parts = explode("\n", $this->longdesc);
 				$this->shortdesc = array_shift($parts);
 				$this->shortdesc[0] = strtolower($this->shortdesc[0]); // cosmetic lowercase
 				
-				// Filter longdesc				
+				// Filters for longdesc				
 				$this->longdesc = str_replace("\r", "", $this->longdesc); // filter windows CR
 				
 				$prefix_html = '';
@@ -112,6 +134,10 @@ class CProject {
 		
 	}
 	
+	public function numDownloads() {
+		return count($this->downloads);
+	}
+	
 	public function write() {
 		
 		// Generate image thumbnails
@@ -197,7 +223,7 @@ class CProject {
 <?php if (count($this->images)) { ?> 
 	<div class="projimg">
 	<?php foreach($this->images as $idx => $origname) { ?> 
-		<a href="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>.<?=str_ext($origname)?>"><img src="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>_thumb.jpg" class="thumbimage"></a>
+		<a href="img/<?=hesc(urlencode($this->projname))?>_<?=$idx?>.<?=str_ext($origname)?>"><img src="img/<?=hesc(urlencode($this->projname))?>_<?=$idx?>_thumb.jpg" class="thumbimage"></a>
 	<?php } ?> 
 	</div>
 	
diff --git a/lib/template.php b/lib/template.php
index 61f23f7..6faa8e0 100644
--- a/lib/template.php
+++ b/lib/template.php
@@ -125,6 +125,9 @@ function buildcommon() {
 				data-sort-mt="-<?=$pr->lastupdate?>"
 				data-sort-ct="<?=$i?>"
 				data-sort-al="<?=$alphaidx[$i]?>"
+				data-sort-nr="-<?=$pr->numreleases?>"
+				data-sort-nf="-<?=$pr->numDownloads()?>"
+				data-sort-ls="-<?=$pr->lifespan?>"
 			>
 				<td>
 					<a href="<?=hesc(urlencode($pr->projname))?>.html"><?=(is_null($handle_lookup[$pr->projname]) ? '<div class="no-image"></div>' : '<div class="homeimage homeimage-sprite" style="background-position:0 -'.($handle_lookup[$pr->projname]*INDEX_THUMB_H).'px"></div>')?></a>
diff --git a/static/site.js b/static/site.js
index 783a4ae..8864376 100644
--- a/static/site.js
+++ b/static/site.js
@@ -73,26 +73,9 @@
 	};
 	
 	var sort_update = function(sort_by) {
-		switch(sort_by) {
-			case 'a':
-			default: {
-				sort_rows(function(el) {
-					return el.getAttribute('data-sort-ct');
-				});
-			} break;
-			
-			case 'b': {
-				sort_rows(function(el) {
-					return el.getAttribute('data-sort-mt');
-				});
-			} break;
-			
-			case 'c': {
-				sort_rows(function(el) {
-					return el.getAttribute('data-sort-al');
-				});
-			} break;
-		};
+		sort_rows(function(el) {
+			return el.getAttribute(sort_by);
+		});
 	};
 	
 	window.sortUpdate = sort_update;