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<?php |
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namespace NirjharLo\Cgss\Lib\Analysis\Lib; |
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if ( ! defined( 'ABSPATH' ) ) exit; |
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/** |
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* From result data found in scan, analyze a score of on-page optimization. Using approximate values |
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* from qualitative ideas of seo. Sometimes statistical approximation has been taken. |
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* |
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* 5 properties: |
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* @property array $snippet |
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* @property array $text |
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* @property array $design |
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* @property array $crawl |
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* @property array $speed |
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*/ |
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class Score { |
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public $snippet; |
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public $text; |
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public $design; |
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public $crawl; |
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public $speed; |
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public function exact() { |
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$score = $this->snip() + $this->text() + $this->design() + $this->crawl() + $this->speed() + 245; |
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return $score; |
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} |
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//out of [-245, +400] we score the page. First, add the grace 150 to total number obtained. |
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// Now devide it in a series of 8 segment, remember Gap, betwwen the fingers. Put approx values. |
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public function calculate() { |
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$score = $this->exact(); |
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$star = 0; |
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switch ( true ) { |
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case ( $score >= 560 ): |
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$star = 10; |
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break; |
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case ( $score >= 490 ): |
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$star = 9; |
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break; |
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case ( $score >= 420 ): |
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$star = 8; |
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break; |
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case ( $score >= 350 ): |
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$star = 7; |
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break; |
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case ( $score >= 280 ): |
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$star = 6; |
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break; |
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case ( $score >= 210 ): |
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$star = 5; |
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break; |
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case ( $score >= 140 ): |
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$star = 4; |
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break; |
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case ( $score >= 70 ): |
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$star = 3; |
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break; |
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case ( $score >= 0 ): |
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$star = 2; |
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break; |
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case ( $score <= 0 ): |
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$star = 1; |
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break; |
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} |
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return $star; |
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} |
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//Check snippet lengths and score it. Find most used word in them and score: 50, 50 |
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public function snip() { |
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$data = $this->snippet; |
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$score = 0; |
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$arr = array( $data['title'], $data['desc'] ); |
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foreach ( $arr as $key ) { |
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switch ( true ) { |
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case ( $key && $key != '' ): |
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$score += 25; |
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break; |
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case ( ! $key || $key == '' ): |
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$score -= 25; |
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break; |
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} |
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} |
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return $score; |
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} |
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//Analyze text for calculating score by words count, html/text ratio, link to word ratio, |
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//image link to all link ratio and usage of most used word in anchor texts and heading texts: 200, 75 |
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public function text() { |
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$data = $this->text; |
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if ( $data ) { |
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$score = 0; |
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$count = $data['count']; |
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switch ( true ) { |
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case ( $count < 200 ): |
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$score -= 10; |
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break; |
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case ( $count > 200 ): |
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$score += 25; |
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break; |
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} |
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$ratio = $data['ratio']; |
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switch ( true ) { |
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case ( $ratio <= 15 ): |
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$score -= 10; |
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break; |
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case ( $ratio <= 70 ): |
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$score += 25; |
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break; |
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case ( $ratio > 70 ): |
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$score -= 10; |
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break; |
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} |
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if ( $data['links'] ) { |
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$links = $data['links']; |
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if ( $count > 0 ) { |
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$link_ratio = ( ( $links['count'] / $count ) * 100 ); |
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switch ( true ) { |
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case ( $link_ratio <= 50 ): |
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$score += 10; |
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break; |
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case ( $link_ratio > 50 ): |
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$score -= 5; |
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break; |
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} |
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} |
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switch ( true ) { |
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case ( $links['no_text'] < 2 ): |
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$score += 10; |
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break; |
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case ( $links['no_text'] > 2 ): |
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$score -= 5; |
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break; |
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} |
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} |
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//Check for keywords in various area: 60, 0 |
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$anch = $links['anchors']; |
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$htags = $data['htags']['content']; |
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$hds = ''; |
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foreach ($htags as $value) { |
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$hds .= ' ' . implode(' ', $value); |
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} |
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$snip_data = $this->snippet; |
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$design_data = $this->design; |
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$img_data = $design_data['image']; |
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$alts = implode(' ', $img_data['alt_value']); |
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$url = implode( " ", explode( "-", $snip_data['url'] ) ); |
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$arr = array( $snip_data['title'], $snip_data['desc'], $alts, $url, $anch, $hds ); |
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foreach ( $arr as $val ) { |
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if ( $val && $val != '' ) { |
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$find_key = $this->key_chk( $val ); |
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switch ( true ) { |
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case ( ! $find_key ): |
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$score += 0; |
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break; |
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case ( $find_key > 0 ): |
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$score += 10; |
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break; |
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} |
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} |
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} |
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return $score; |
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} else { |
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return 0; |
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} |
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} |
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//Score based on alt tags presence in images and top word found in those alt tags: 70, 45 |
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public function design() { |
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$data = $this->design; |
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if ( $data ) { |
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$score = 0; |
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$img_data = $data['image']; |
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$no_alt_data = $img_data['no_alt_count']; |
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switch ( $no_alt_data ) { |
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case 0: |
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$score += 25; |
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break; |
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default: |
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$score -= 25; |
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break; |
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} |
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$nested_table = $data['nested_table']; |
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switch ( $nested_table ) { |
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case 0: |
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$score += 10; |
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break; |
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default: |
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$score -= 5; |
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break; |
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} |
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$tag_style = $data['tag_style']; |
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switch ( $tag_style['count'] ) { |
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case 0: |
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$score += 10; |
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break; |
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default: |
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$score -= 5; |
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break; |
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} |
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$vport = $data['vport']; |
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$media = $data['media']; |
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$media_ok = $media['ok']; |
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if ( $vport and $media_ok and strlen( $vport ) > 0 and $media_ok > 0 ) { |
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$score += 25; |
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} else { |
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$score -= 10; |
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} |
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return $score; |
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} else { |
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return 0; |
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} |
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} |
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//determine score number of http requests and presence of code errors, viewport and social tags: 80, 40 |
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public function crawl() { |
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$data = $this->crawl; |
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if ( $data ) { |
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$ip = $data['ip']; |
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$meta_robot = $data['meta_robot']; |
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if ( ! $data['cano'] or strlen( $data['cano'] ) != 0 ) { |
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$cano = 1; |
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} else { |
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$cano = 0; |
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} |
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$arr = array( $data['ssl'], $data['dynamic'], $data['underscore'], $cano, $ip, $data['if_mod'], $meta_robot['ok'] ); |
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$score = 0; |
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foreach ( $arr as $val ) { |
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switch ( $val ) { |
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case 1: |
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$score += 10; |
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break; |
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default: |
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$score -= 5; |
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break; |
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} |
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} |
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return $score; |
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} else { |
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return 0; |
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} |
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} |
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256
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//Overview score for url and canonical tag. Excluding robots tag,to be taken care of by jquery: 70, 35 |
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public function speed() { |
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$data = $this->speed; |
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if ( $data ) { |
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$score = 0; |
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$down_time = $data['down_time']; |
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switch ( true ) { |
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case ( $down_time > 10 ): |
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$score -= 5; |
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break; |
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case ( $down_time < 3 ): |
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$score += 10; |
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break; |
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case ( $down_time <= 5 ): |
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$score += 5; |
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break; |
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} |
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$arr = array( $data['gzip'], $data['cache'] ); |
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foreach ( $arr as $val ) { |
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switch ( $val ) { |
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case 1: |
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$score += 10; |
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break; |
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default: |
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$score -= 5; |
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break; |
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} |
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283
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} |
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284
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$css = $data['css']; |
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285
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$js = $data['js']; |
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$files_arr = array( $css['count'], $js['count'] ); |
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foreach ( $files_arr as $val ) { |
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switch ( true ) { |
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case ( $val <= 10 ): |
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$score += 10; |
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break; |
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case ( $val > 10 ): |
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293
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$score -= 5; |
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break; |
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295
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} |
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296
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} |
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297
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$files_size_arr = array( $css['size'], $js['size'] ); |
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298
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foreach ( $files_size_arr as $val ) { |
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299
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switch ( true ) { |
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300
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case ( $val <= 100 ): |
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301
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$score += 10; |
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302
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break; |
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303
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case ( $val > 100 ): |
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304
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$score -= 5; |
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305
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break; |
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306
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} |
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307
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} |
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308
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return $score; |
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309
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} else { |
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310
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return 0; |
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311
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} |
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312
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} |
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313
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314
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//Get the top word found |
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315
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public function key_chk( $txt ) { |
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316
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$show = 0; |
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317
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$text = $this->text; |
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318
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$keys = $text['keys']; |
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319
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foreach ( $keys as $key => $val ) { |
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320
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321
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$num = substr_count( $key, $txt ); |
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322
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if ( $num > 0 ) { |
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323
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$show = 1; |
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324
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} |
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325
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} |
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326
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if ( $show == 0 ) { |
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327
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return false; |
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328
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} else { |
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329
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return $show; |
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330
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} |
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331
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} |
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332
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} |
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333
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?> |
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|
334
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This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.