I was just adding my site on Alexa and in some minutes Alexa generated a thumbnail of my html site. And again it was same with blog catelog. So I thought is there any PHP code that crawled the site and generates its image thumb? After a lots of research I came out with these. Remember, this only works in windows server. There is one thing called IECapt.exe ( A Internet Explorer Web Page Rendering Capture Utility). This renders the page and generate thumbnail of it. You can download it from IECapt.exe. And to run that through php here’s the code. This is the class file that generates thumb images from the output of IECapt.exe. Save it as image.class.php [sourcecode=”PHP”] image_type == 1) && !function_exists(‘imagegif’)) $this->image_type = 3; switch ($this->image_type) { case 1: if ($this->save_to_file) { $res = ImageGIF($im,$filename); } else { header(“Content-type: image/gif”); $res = ImageGIF($im); } break; case 2: if ($this->save_to_file) { $res = ImageJPEG($im,$filename,$this->quality); } else { header(“Content-type: image/jpeg”); $res = ImageJPEG($im,”,$this->quality); } break; case 3: if ($this->save_to_file) { $res = ImagePNG($im,$filename); } else { header(“Content-type: image/png”); $res = ImagePNG($im,”,$this->quality); } break; } return $res; } function ImageCreateFromType($type,$filename) { $im = null; switch ($type) { case 1: $im = ImageCreateFromGif($filename); break; case 2: $im = ImageCreateFromJpeg($filename); break; case 3: $im = ImageCreateFromPNG($filename); break; } return $im; } // generate thumb from image and save it function GenerateThumbFile($from_name, $to_name) { // get source image size (width/height/type) // orig_img_type 1 = GIF, 2 = JPG, 3 = PNG list($orig_x, $orig_y, $orig_img_type, $img_sizes) = GetImageSize($from_name); // cut image if specified by user if ($this->cut_x > 0) $orig_x = min($this->cut_x, $orig_x); if ($this->cut_y > 0) $orig_y = min($this->cut_y, $orig_y); // should we override thumb image type? $this->image_type = ($this->image_type != -1 ? $this->image_type : $orig_img_type); // check for allowed image types if ($orig_img_type < 1 or $orig_img_type > 3) die(“Image type not supported”); if ($orig_x > $this->max_x or $orig_y > $this->max_y) { // resize $per_x = $orig_x / $this->max_x; $per_y = $orig_y / $this->max_y; if ($per_y > $per_x) { $this->max_x = $orig_x / $per_y; } else { $this->max_y = $orig_y / $per_x; } } else { // keep original sizes, i.e. just copy if ($this->save_to_file) { @copy($from_name, $to_name); } else { switch ($this->image_type) { case 1: header(“Content-type: image/gif”); include($from_name); break; case 2: header(“Content-type: image/jpeg”); include($from_name); break; case 3: header(“Content-type: image/png”); include($from_name); break; } } return; } if ($this->image_type == 1) { // should use this function for gifs (gifs are palette images) $ni = imagecreate($this->max_x, $this->max_y); } else { // Create a new true color image $ni = ImageCreateTrueColor($this->max_x,$this->max_y); } // Fill image with white background (255,255,255) $white = imagecolorallocate($ni, 255, 255, 255); imagefilledrectangle( $ni, 0, 0, $this->max_x, $this->max_y, $white); // Create a new image from source file $im = $this->ImageCreateFromType($orig_img_type,$from_name); // Copy the palette from one image to another imagepalettecopy($ni,$im); // Copy and resize part of an image with resampling imagecopyresampled( $ni, $im, // destination, source 0, 0, 0, 0, // dstX, dstY, srcX, srcY $this->max_x, $this->max_y, // dstW, dstH $orig_x, $orig_y); // srcW, srcH // save thumb file $this->SaveImage($ni, $to_name); } } ?> [/sourcecode] Here’s the code to run it. Save this as webthumb.php. [sourcecode=”php”] image_type = $image_type; $img->quality = isset($_REQUEST[‘q’]) ? intval($_REQUEST[‘q’]) : $image_quality; $img->max_x = isset($_REQUEST[‘x’]) ? intval($_REQUEST[‘x’]) : $max_x; $img->max_y = isset($_REQUEST[‘y’]) ? intval($_REQUEST[‘y’]) : $max_y; $img->save_to_file = false; $img->cut_x = $cut_x; $img->cut_y = $cut_y; // generate thumbnail and show it $img->GenerateThumbFile($cached_filename, ”); ?> [/sourcecode] The codes are self explanatory. Just be sure you have placed all the three one one folder or managed the path accordingly.