Cet article présente principalement l'implémentation php de l'acquisition professionnelle d'informations de référencement de sites Web. Il analyse les techniques de classe seoreport pour vérifier et obtenir des informations de référencement de sites Web avec des exemples. Il est d'une grande valeur pratique. Les amis qui en ont besoin peuvent s'y référer.
L'exemple de cet article décrit comment PHP met en œuvre l'acquisition professionnelle d'informations de référencement de sites Web. Les détails sont les suivants :
Les fonctions de cette classe SEO incluent :
- Vérifier la réponse du site Web spécifié
- Obtenir la langue et d'autres données de balises méta à partir de la page d'accueil du site Web
🎜>- Obtenez l'importation des liens du site Web, le classement du trafic depuis Alexa
- Obtenez les liens entrants du site Web, le nombre de pages indexées par Google
- Obtenez la confiance du site Web, le classement depuis WOT.
- Obtenez l'âge du domaine du site Web depuis son premier enregistrement
- Obtenez le nombre de pages du site Web Twitter
- Obtenez le nombre de pages du site Web liées à Facebook
- Obtenez la vitesse de la page Google du site Web Note
- Obtenez le classement des pages Google du site Web
<?php
/**
*
* SEO report for different metrics
*
* @category SEO
* @author Chema <chema@garridodiaz.com>
* @copyright (c) 2009-2012 Open Classifieds Team
* @license GPL v3
* Based on seo report script http://www.phpeasycode.com && PHP class SEOstats
*
*/
class seoreport{
/**
*
* check if a url is online/alive
* @param string $url
* @return bool
*/
public static function is_alive($url)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADERFUNCTION, 'curlHeaderCallback');
curl_setopt($ch, CURLOPT_FAILONERROR, 1);
curl_exec ($ch);
$int_return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close ($ch);
if ($int_return_code != 200 && $int_return_code != 302 && $int_return_code != 304)
{
return FALSE;
}
else return TRUE;
}
/**
* HTTP GET request with curl.
*
* @param string $url String, containing the URL to curl.
* @return string Returns string, containing the curl result.
*
*/
protected static function get_html($url)
{
$ch = curl_init($url);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,5);
curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
curl_setopt($ch,CURLOPT_MAXREDIRS,2);
if(strtolower(parse_url($url, PHP_URL_SCHEME)) == 'https')
{
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,1);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,1);
}
$str = curl_exec($ch);
curl_close($ch);
return ($str)?$str:FALSE;
}
/**
*
* get the domain from any URL
* @param string $url
*/
public static function domain_name($url)
{
$nowww = ereg_replace('www\.','',$url);
$domain = parse_url($nowww);
if(!empty($domain["host"]))
return $domain["host"];
else
return $domain["path"];
}
/**
*
* get the metas from a url and the language of the site
* @param string $url
* @return array
*/
public static function meta_info($url)
{
//doesn't work at mediatemple
/*$html = new DOMDocument();
if(!$html->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('/<POPULARITY URL="(.*?)" TEXT="([\d]+)"\/>/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('/<LINKSIN NUM="([\d]+)"\/>/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('/<p id=resultStats>(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('/<application name="(\d+)" r="(\d+)" c="(\d+)"\/>/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 < $length; $i++) {
$Check *= $Magic;
//If the float is beyond the boundaries of integer (usually +/- 2.15e+9 = 2^31),
// the result of converting to integer is undefined
// refer to http://www.php.net/manual/en/language.types.integer.php
if ($Check >= $Int32Unit) {
$Check = ($Check - $Int32Unit * (int) ($Check / $Int32Unit));
//if the check less than -2^31
$Check = ($Check < -2147483648) ? ($Check + $Int32Unit) : $Check;
}
$Check += ord($Str{$i});
}
return $Check;
}
/**
* Genearate a hash for a url
*/
public static function HashURL($String)
{
$Check1 = self::StrToNum($String, 0x1505, 0x21);
$Check2 = self::StrToNum($String, 0, 0x1003F);
$Check1 >>= 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) << 4) | ($Check1 & 0x3C00)) << 0xA) | ($Check2 & 0xF0F0000 );
return ($T1 | $T2);
}
/**
* genearate a checksum for the hash string
*/
public static function CheckHash($Hashnum)
{
$CheckByte = 0;
$Flag = 0;
$HashStr = sprintf('%u', $Hashnum) ;
$length = strlen($HashStr);
for ($i = $length - 1; $i >= 0; $i --) {
$Re = $HashStr{$i};
if (1 === ($Flag % 2)) {
$Re += $Re;
$Re = (int)($Re / 10) + ($Re % 10);
}
$CheckByte += $Re;
$Flag ++;
}
$CheckByte %= 10;
if (0 !== $CheckByte) {
$CheckByte = 10 - $CheckByte;
if (1 === ($Flag % 2) ) {
if (1 === ($CheckByte % 2)) {
$CheckByte += 9;
}
$CheckByte >>= 1;
}
}
return '7'.$CheckByte.$HashStr;
}
}Copier après la connexion
Exemple d'utilisation
<?php
include '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;Copier après la connexion
Résumé : Ce qui précède est l'intégralité du contenu de cet article, j'espère qu'il pourra être utile à tout le monde, l'apprentissage aide.
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