Seo-core library

Seo-core library was extracted from Seo-Tracker platform. This is a common way to deal with websites, search engines and scrappers., _(*1)

, _(*2)

## Websites

Website is an object representation of a real website. A website MUST have a HTML content., _(*3)

A website object can return useful data for SEO like:, _(*4)

Website title
Website metadata & rich contents
Website keywords occurrences and proportions (Not implemented)
Website location url

See WebsiteInterface for more information about it., _(*5)

## SearchEngines

SearchEngine is an object representation of a real search engine. A search engine SHOULD USE a scrapper to get information from internet network., _(*6)

A search engine can return useful datas for SEO like:, _(*7)

All websites for a needle (aka a "keyword")
Website position in the concerned search engine for a needle
All backlinks for a website in this search engine

See SearchEngineInterface for more information about it., _(*8)

## Scrappers

A scrapper is an object used to get HTML from internet network., _(*9)

As this object have only 1 job to do, the only method to implement is get which accept at least 1 argument: an url location., _(*10)

See ScrapperInterface and implementations in Adapter\Scrapper folder, _(*11)

## Crawlers

A crawler is an object used to query and manipulate HTML DOM., _(*12)

Seo-core offers an interface and his Symfony2-Component based implementation., _(*13)

See CrawlerInterface and implementation in Adapter\Crawler folder., _(*14)

## Example

<?php
use SeoTracker\SeoCore\Adapter\Crawler\SymfonyCrawler;
use SeoTracker\SeoCore\Adapter\Scrapper\CurlScrapper;
use SeoTracker\SeoCore\Model\GoogleFranceEngine;

$crawler   = new SymfonyCrawler();
$scrapper = new CurlScrapper();
$googleEngine = new GoogleFranceEngine($scrapper, $crawler);

$website = $googleEngine->getWebsite('http://seo-tracker.net');

// position of website in Google
$position = $googleEngine->getPosition('seo tools online platform', $website); // 1

// title of website
$title = $website->getTitle(); // 'SeoTracker : A SEO tools suite'

// metas of website
$metas = $googleEngine->getMetas();
// ['description' => 'Seo Tracker est une plateforme de suivi et d'optimisation [..]']

// microdatas of website
$microDatas = $googleEngine->getMicroDatas();
/**
 * [0 =>
 *     'type' =>
 *         [0 => 'http://www.schema.org/CreativeWork']
 *     ,
 *     'properties' => [...]]
 * ],
 * [ 1 => [..] ]
 **/

// backlinks of website location in search engine
$backlinks = $googleEngine->getBacklinks($website);
/**
 * [
 *     0 => 'http://seo-core.com',
 *     1 => 'http://otherwebsite.backlink'
 * ]
 **/