my site show this symbol (::) between site title and tagline

Do you install any SEO plugin? Yoast SEO maybe. Or plugin that related to SEO. It usually overwrite the title setting.
Check your plugin first please.

Related Posts:

  1. An extra ‘ is displayed in the title
  2. “Page Array” displaying in title bar on Front Page
  3. Display tab title as ‘blog tagline | blog title’
  4. How to set custom cookies before output
  5. How to count the length of a post title?
  6. Filter the blog title displayed in the header
  7. How to stop loading multiple copies of jquery
  8. Creating a WordPress form with a PHP script and default header
  9. Blank on static home page?
  10. Why isn’t my if/elseif/else working correctly here?
  11. “Maximum function nesting level of ‘100’ reached” after adding a new filter
  12. String replace WordPress Site Title
  13. StudioPress: add meta tag to every page [closed]
  14. Add custom HTML to posts page
  15. Customized title tag for each page in pagination?
  16. Using PHP to toggle stylesheet and header image, set in cookie
  17. Mysterious HTTP 404 header in my own scripts
  18. Change logo based on incoming domain
  19. Browser title script ignoring is_page /else conditional [closed]
  20. Blank space at beginning of tag?
  21. Filter get_the_title to remove certain characters?
  22. get_page_by_title with an apostrophe in variable
  23. Locating Global Variables
  24. Set post title based on first h2 element in the content section
  25. Conditional Header in wordpress
  26. add_image_size for header_image
  27. Part of title duplicating but not sure how to remove from code – help?
  28. Responsive Header for Phone
  29. Applying A Category to Existing Posts Where Page Title Matches Regex
  30. Remove the first 5 characters of the_title and orderby that
  31. Change title only in dynamic page
  32. Display custom post type title as text if post thumbnail is not available
  33. My php header() function is not working [closed]
  34. “imagejpeg” function is not working in wordpress
  35. wp-comments-post.php file returns a blank page
  36. Insert custom PHP head above in WP pages
  37. Headers already sent in Pluggable.php / homepage and wp-login error
  38. Is_front_page inside header.php is always returning true
  39. Does wordpress templates always in files or in database?
  40. Moving code from theme header to functions.php
  41. Change page title from page using php via php executed from page/post itself
  42. Having Issue on Redirecting With Session in WordPress
  43. Reduce size of responsive title
  44. Run str_replace on title and save the output to a custom field
  45. Remove dash from blog title wordpress
  46. linking stylesheets and scripts with functions.php
  47. Location of core code for database connection and get_header
  48. unknown issue in ‘header.php’ preventing theme from displaying fully
  49. How can I use a sliced image As banner? [closed]
  50. Echo title attribute php
  51. Add meta tags to a custom header
  52. Is this a correct usage of ob_start() in my WordPress project?
  53. change title page on search result
  54. woocommerce related product title length
  55. Change header on pages displaying taxonomy items
  56. Split site title and apply different classes
  57. Custom CSV exporter – Cannot modify header information – headers
  58. How to add Post Tags to a new element in header.php?
  59. setcookies and header send
  60. Insert content into head tag with function
  61. How do I choose not to display the title header on a specific page?
  62. How to internationalize header image?
  63. Custom functions for string data calculations
  64. How do you remove header sitewide from mobile only?
  65. WP_REST_Response – How to return Gzip answer and add Content-encoding header?
  66. Set document title through shortcode plugin
  67. How do I use an iFrame for my header in WordPress twenty seventeen?
  68. WordPress can’t use ZipArchive
  69. Reliable way to add nonce to HTTP Header in WordPress?
  70. how to replace h1 entry title with h2 in category pages only
  71. How to remove get_header From all single pages in wordpress with functions.php without plugin?
  72. Posts title instead of Pages and Category titles – PHP WordPress
  73. Display values of current POST request on page
  74. Trying to add some custom text into WordPress Post title via function.php
  75. Changing ALT-tag for logo in wordpress
  76. Using Javascript On Page – Header and Footer Now Missing
  77. How can I get the custom post title?
  78. Modifying child theme’s header
  79. Add my footer menu to the header
  80. Change headers for one custom PHP file
  81. Site title not showing. Please help me
  82. Premature end of script headers: wp-mail.php?
  83. setcookie() issues on running with HTTPS on WordPress
  84. Allow user to choose header style
  85. How to display custom seo title before the loop?
  86. Put a span class in the shortened product title
  87. Allowing HTML elements in title widgets spacing problem
  88. How to include different html tags in the header for different pages?
  89. Use header option on wp-login page with a second logo
  90. Replace Underscore (_) on Space ( )
  91. Headers Already Sent
  92. Custom field in title
  93. Changing 2011 theme header image based on user dropdown
  94. Converting Menu Links to List Elements
  95. Warning: Cannot modify header information (with a twist)
  96. Hide page title
  97. Cannot modify header information – headers already sent
  98. Dynamic Email Handler with ‘header (“Location: …’
  99. Getting a specific “title for a section” only on Startpage?
  100. change title of page dynamically
tech