wordpress如何优化wp_title实现满足网站SEO

wordpress如何对wp_title进行改造，实现满足对网站的SEO优化，下面web建站小编给大家简单介绍一下如何修改wp_title方法！

找到wp_title函数源码：

复制代码function wp_title( $sep = '»', $display = true, $seplocation = '' ) {
  global $wp_locale;

  $m        = get_query_var( 'm' );
  $year     = get_query_var( 'year' );
  $monthnum = get_query_var( 'monthnum' );
  $day      = get_query_var( 'day' );
  $search   = get_query_var( 's' );
  $title    = '';
  
  // Temporary separator, for accurate flipping, if necessary.
  $t_sep = '%WP_TITLE_SEP%';

  // If there is a post.
  if ( is_single() || ( is_home() && ! is_front_page() ) || 
  ( is_page() && ! is_front_page() ) ) {
    $title = single_post_title( '', false );
  }

  // If there's a post type archive.
  if ( is_post_type_archive() ) {
    $post_type = get_query_var( 'post_type' );
    if ( is_array( $post_type ) ) {
      $post_type = reset( $post_type );
    }
    $post_type_object = get_post_type_object( $post_type );
    if ( ! $post_type_object->has_archive ) {
      $title = post_type_archive_title( '', false );
    }
  }

  // If there's a category or tag.
  if ( is_category() || is_tag() ) {
    $title = single_term_title( '', false );
  }

  // If there's a taxonomy.
  if ( is_tax() ) {
    $term = get_queried_object();
    if ( $term ) {
      $tax   = get_taxonomy( $term->taxonomy );
      $title = single_term_title( $tax->labels->name . $t_sep, false );
    }
  }

  // If there's an author.
  if ( is_author() && ! is_post_type_archive() ) {
    $author = get_queried_object();
    if ( $author ) {
      $title = $author->display_name;
    }
  }

  // Post type archives with has_archive should override terms.
  if ( is_post_type_archive() && $post_type_object->has_archive ) {
    $title = post_type_archive_title( '', false );
  }

  // If there's a month.
  if ( is_archive() && ! empty( $m ) ) {
    $my_year  = substr( $m, 0, 4 );
    $my_month = substr( $m, 4, 2 );
    $my_day   = (int) substr( $m, 6, 2 );
    $title    = $my_year .
      ( $my_month ? $t_sep . $wp_locale->get_month( $my_month ) : '' ) .
      ( $my_day ? $t_sep . $my_day : '' );
  }

  // If there's a year.
  if ( is_archive() && ! empty( $year ) ) {
    $title = $year;
    if ( ! empty( $monthnum ) ) {
      $title .= $t_sep . $wp_locale->get_month( $monthnum );
    }
    if ( ! empty( $day ) ) {
      $title .= $t_sep . zeroise( $day, 2 );
    }
  }

  // If it's a search.
  if ( is_search() ) {
    /* translators: 1: Separator, 2: Search query. */
    $title = sprintf( __( 'Search Results %1$s %2$s' ), $t_sep, strip_tags( $search ) );
  }

  // If it's a 404 page.
  if ( is_404() ) {
    $title = __( 'Page not found' );
  }

  $prefix = '';
  if ( ! empty( $title ) ) {
    $prefix = " $sep ";
  }

  /**
   * Filters the parts of the page title.
   *
   * @since 4.0.0
   *
   * @param string[] $title_array Array of parts of the page title.
   */
  $title_array = apply_filters( 'wp_title_parts', explode( $t_sep, $title ) );

  // Determines position of the separator and direction of the breadcrumb.
  if ( 'right' === $seplocation ) { // Separator on right, so reverse the order.
    $title_array = array_reverse( $title_array );
    $title       = implode( " $sep ", $title_array ) . $prefix;
  } else {
    $title = $prefix . implode( " $sep ", $title_array );
  }

  /**
   * Filters the text of the page title.
   *
   * @since 2.0.0
   *
   * @param string $title       Page title.
   * @param string $sep         Title separator.
   * @param string $seplocation Location of the separator ('left' or 'right').
   */
  $title = apply_filters( 'wp_title', $title, $sep, $seplocation );

  // Send it out.
  if ( $display ) {
    echo $title;
  } else {
    return $title;
  }
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130