这个seo类的功能包括：
- 检查指定的网站响应
- 获取从该网站主页的语言和其他meta标签数据的
- 获取网站的导入链接，从alexa的流量排名
- 获取网站的导入链接，由谷歌索引的网页数量
- 获取网站的信任，从wot排名。
- 获取，因为它是第一个注册的网站域名年龄
- 获取的twitter网站页面的数量
- 获取的facebook链接的网站页面
- 获取网站谷歌网页速度等级
- 获取网站的谷歌网页排名
loadhtmlfile($url)) return false;*/ if (!$html_content = self::get_html($url)) return false; $html = new domdocument(); $html->loadhtml($html_content); $xpath = new domxpath( $html ); $url_info = array(); $langs = $xpath->query( '//html' ); foreach ($langs as $lang) { $url_info['language'] = $lang->getattribute('lang'); } $metas = $xpath->query( '//meta' ); foreach ($metas as $meta) { if ($meta->getattribute('name')) { $url_info[$meta->getattribute('name')] = $meta->getattribute('content'); } } return $url_info; } /** * * alexa rank * @param string $url * @return integer */ public static function alexa_rank($url) { $domain = self::domain_name($url); $request = http://data.alexa.com/data?cli=10&dat=s&url= . $domain; $data = self::get_html($request); preg_match('//si', $data, $p); return ($l[2]) ? $l[2] : null; } /** * * alexa inbounds link * @param string $url * @return integer */ public static function alexa_links($url) { $domain = self::domain_name($url); $request = http://data.alexa.com/data?cli=10&dat=s&url= . $domain; $data = self::get_html($request); preg_match('//si', $data, $l); return ($l[1]) ? $l[1] : null; } /** * returns total amount of results for any google search, * requesting the deprecated websearch api. * * @param string $query string, containing the search query. * @return integer returns a total count. */ public static function google_pages($url) { //$query = self::domain_name($url); $url = 'http://ajax.googleapis.com/ajax/services/search/web?v=1.0&rsz=1&q='.$url; $str = self::get_html($url); $data = json_decode($str); return (!isset($data->responsedata->cursor->estimatedresultcount)) ? '0' : intval($data->responsedata->cursor->estimatedresultcount); } /** * * gets the inbounds links from a site * @param string $url * @param integer */ public static function google_links($url) { $request = http://www.google.com/search?q= . urlencode(link: . $url) . &hl=en; $data = self::get_html($request); preg_match('/(about )?([\d,]+) result/si', $data, $l); return ($l[2]) ? $l[2] : null; } /** * * web of trust rating * @param string $url * @reutn integer */ public static function wot_rating($url) { $domain = self::domain_name($url); $request = http://api.mywot.com/0.4/public_query2?target= . $domain; $data = self::get_html($request); preg_match_all('//si', $data, $regs); $trustworthiness = ($regs[2][0]) ? $regs[2][0] : null; return (is_numeric($trustworthiness))? $trustworthiness:null; } /** * * how old is the domain? * @param string $domain * @return integer unixtime */ public static function domain_age($domain) { $request = http://reports.internic.net/cgi/whois?whois_nic= . $domain . &type=domain; $data = self::get_html($request); preg_match('/creation date: ([a-z0-9-]+)/si', $data, $p); return (!$p[1])?false:strtotime($p[1]); } /** * * counts how many tweets about the url * @param string $url * @return integer */ public static function tweet_count($url) { $url = urlencode($url); $twitterendpoint = http://urls.api.twitter.com/1/urls/count.json?url=%s; $filedata = file_get_contents(sprintf($twitterendpoint, $url)); $json = json_decode($filedata, true); unset($filedata); // free memory return (is_numeric($json['count']))? $json['count']:null; } /** * returns the total amount of facebook shares for a single page * * @link https://graph.facebook.com/ * @param string the url to check. * @return integer returns the total amount of facebook */ public static function facebook_shares($q) { //execution and result of json $str = self::get_html('http://graph.facebook.com/?id='.urlencode($q)); $data = json_decode($str); //return only number of facebook shares $r = $data->shares; return ($r != null) ? $r : intval('0'); } /** * * get the pagespeed rank over 100 * @param string $url * @return integer */ public static function page_speed($url) { $url = 'https://developers.google.com/_apps/pagespeed/run_pagespeed?url='.$url.'&format=json'; $str = self::get_html($url); $data = json_decode($str); return intval($data->results->score); } /** * * get google page rank * @param string $url * @return integer */ public static function page_rank($url) { $query = http://toolbarqueries.google.com/tbr?client=navclient-auto&ch=.self::checkhash(self::hashurl($url)). &features=rank&q=info:.$url.&num=100&filter=0; $data = self::get_html($query);//die(print_r($data)); $pos = strpos($data, rank_); if($pos === false) { return null; } else { $pagerank = substr($data, $pos + 9); return $pagerank; } } // functions for google pagerank /** * to calculate pr functions */ public static function strtonum($str, $check, $magic) { $int32unit = 4294967296; // 2^32 $length = strlen($str); for ($i = 0; $i = $int32unit) { $check = ($check - $int32unit * (int) ($check / $int32unit)); //if the check less than -2^31 $check = ($check >= 2; $check1 = (($check1 >> 4) & 0x3ffffc0 ) | ($check1 & 0x3f); $check1 = (($check1 >> 4) & 0x3ffc00 ) | ($check1 & 0x3ff); $check1 = (($check1 >> 4) & 0x3c000 ) | ($check1 & 0x3fff); $t1 = (((($check1 & 0x3c0) << 4) | ($check1 & 0x3c)) <<2 ) | ($check2 & 0xf0f ); $t2 = (((($check1 & 0xffffc000) <= 1; } } return '7'.$checkbyte.$hashstr; }}
使用范例
<?phpinclude 'seoreport.php';ini_set('max_execution_time', 180); $url = (isset($_get['url']))?$_get['url']:'http://phpclasses.org'; $meta_tags = seoreport::meta_info($url); //die(var_dump($meta_tags)); //first check if site online if ($meta_tags!==false) { $stats = array(); $stats['meta'] = $meta_tags; $stats['alexa']['rank'] = seoreport::alexa_rank($url); $stats['alexa']['links'] = seoreport::alexa_links($url); $stats['domain']['wot_rating'] = seoreport::wot_rating($url); $stats['domain']['domain_age'] = seoreport::domain_age($url); $stats['social']['twitter'] = seoreport::tweet_count($url); $stats['social']['facebook'] = seoreport::facebook_shares($url); $stats['google']['page_rank'] = seoreport::page_rank($url); $stats['google']['page_speed'] = seoreport::page_speed($url); $stats['google']['pages'] = seoreport::google_pages($url); $stats['google']['links'] = seoreport::google_links($url); var_dump($stats); } else 'site not online. '.$url;
希望本文所述对大家的php程序设计有所帮助。