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100
Thunderbird — Make Email Easier. — Thunderbird
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
https://www.thunderbird.net/en-US/
1 high issue
3.0%
2 medium issues
6.1%
5 low issues
15.2%
25 tests passed
75.8%
0.02 seconds
41.86 kB
14 resources
Secure
Seo
Title
The title tag is perfect.
Thunderbird — Make Email Easier. — Thunderbird
Meta description
The meta description tag is good.
Thunderbird is a free email application that’s easy to set up and customize - and it’s loaded with great features!
Headings
The headings are properly set.
  1. Make Email Easier.
  1. Tailored for all your needs
  2. Secure & Private
  3. Highly Customizable
  4. Stay in the loop
  5. Thunderbird is funded by users like you
  6. Join our Newsletter
  7. Calendar Organize your life — it’s about time!
  8. Get Involved
  9. Thunderbird
  10. The Future of Thunderbird
  11. Thunderbird Daily
  1. Download Thunderbird — English (US)
  2. Download Thunderbird — English (US)
  3. Download Thunderbird — English (US)
  4. Download Thunderbird — English (US)
  5. Download Thunderbird — English (US)
  6. Download Thunderbird — English (US)
  7. Download Thunderbird — English (US)
  8. Download Thunderbird — English (US)
Content keywords
The content has relevant keywords.
thunderbirdmakeemaileasierthunderbird
Image keywords
There are 1 images with missing alt attributes.
  1. https://thunderbird.innocraft.cloud/piwik.php?idsite=1&rec=1
SEO friendly URL
The URL is SEO friendly.
https://www.thunderbird.net/en-US/
404 page
The website has 404 error pages.
https://www.thunderbird.net/404-1bac954d496b369e1486bae31f063436
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
  1. Donate
  2. Add-ons
  3. Get Help
  4. Blog
  5. Donate
  6. Windows 64-bit
  7. Windows MSI 64-bit
  8. macOS
  9. Linux 64-bit
  10. Windows 32-bit
  11. Linux 32-bit
  12. Windows 64-bit
  13. Windows MSI 64-bit
  14. macOS
  15. Linux 64-bit
  16. Windows 32-bit
  17. Linux 32-bit
  18. these instructions
  19. Free Download
  20. Free Download
  21. Free Download
  22. Free Download
  23. Free Download
  24. Free Download
  25. Privacy
  26. Need Help With Thunderbird? Here’s How To Get Support
  27. Need Help With Thunderbird? Here’s How To Get Support
  28. The Thunderbird Blog
  29. Thunderbird Tip: Customize Colors In The Spaces Toolbar
  30. Thunderbird Tip: Customize Colors In The Spaces Toolbar
  31. The Thunderbird Blog
  32. Thunderbird Tip: How To Manually Sort All Email And Account Folders
  33. Thunderbird Tip: How To Manually Sort All Email And Account Folders
  34. The Thunderbird Blog
  35. Read the Blog
  36. Donate
  37. Explore Add-ons
  38. Make a Donation
  39. Get Support
  40. Report a Bug
  41. Windows 64-bit
  42. Windows MSI 64-bit
  43. macOS
  44. Linux 64-bit
  45. Windows 32-bit
  46. Linux 32-bit
  47. Windows 64-bit
  48. Windows MSI 64-bit
  49. macOS
  50. Linux 64-bit
  51. Windows 32-bit
  52. Linux 32-bit
  53. these instructions
  54. Download Thunderbird
  55. Download Thunderbird
  56. Download Thunderbird
  57. Download Thunderbird
  58. Download Thunderbird
  59. Download Thunderbird
  60. Privacy
  61. Windows 64-bit
  62. Windows MSI 64-bit
  63. macOS
  64. Linux 64-bit
  65. Windows 32-bit
  66. Linux 32-bit
  67. Windows 64-bit
  68. Windows MSI 64-bit
  69. macOS
  70. Linux 64-bit
  71. Windows 32-bit
  72. Linux 32-bit
  73. these instructions
  74. Download Beta
  75. Download Beta
  76. Download Beta
  77. Download Beta
  78. Download Beta
  79. Download Beta
  80. Privacy
  81. Windows 64-bit
  82. Windows MSI 64-bit
  83. macOS
  84. Linux 64-bit
  85. Windows 32-bit
  86. Linux 32-bit
  87. Windows 64-bit
  88. Windows MSI 64-bit
  89. macOS
  90. Linux 64-bit
  91. Windows 32-bit
  92. Linux 32-bit
  93. these instructions
  94. Download Daily
  95. Download Daily
  96. Download Daily
  97. Download Daily
  98. Download Daily
  99. Download Daily
  100. Privacy
  101. Get Help
  102. Blog
  103. @mozthunderbird
  104. Thunderbird
  105. @[email protected]
  106. Privacy
  107. Cookies
  108. Legal
  109. Participation Guidelines
  110. Report Trademark or Copyright Infringement
  111. Report Misuse of Thunderbird Trademark
  112. MZLA Technologies Corporation
  113. Creative Commons license
  114. Contribute to this site
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://www.thunderbird.net/media/img/thunderbird/favicon.ico
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.02 seconds.
Page size
The size of the HTML webpage is 41,859.00.
HTTP requests
There are fewer than 14 HTTP requests on the webpage.
  1. https://www.thunderbird.net/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js
  2. https://www.thunderbird.net/media/js/site-bundle.js
  3. https://www.thunderbird.net/media/js/common-bundle.js
  4. https://www.thunderbird.net/media/js/piwik.js
  5. https://www.thunderbird.net/media/js/matomo.js
  1. https://www.thunderbird.net/media/css/normalize.css
  2. https://www.thunderbird.net/media/css/thunderbird-style.css
  1. https://www.thunderbird.net/media/img/l10n/en-US/thunderbird/landing/screenshot-windows.png
  2. https://www.thunderbird.net/media/img/l10n/en-US/thunderbird/calendar/screenshot-windows.png
  3. https://www.thunderbird.net/media/img/thunderbird/handshake.png
  4. https://www.thunderbird.net/media/img/thunderbird/logos/release.png
  5. https://www.thunderbird.net/media/img/thunderbird/logos/beta.png
  6. https://www.thunderbird.net/media/img/thunderbird/logos/daily.png
  7. https://thunderbird.innocraft.cloud/piwik.php?idsite=1&rec=1
Image format
There are 7 images that are not using the AVIF, WebP format.
  1. https://www.thunderbird.net/media/img/l10n/en-US/thunderbird/landing/screenshot-windows.png
  2. https://www.thunderbird.net/media/img/l10n/en-US/thunderbird/calendar/screenshot-windows.png
  3. https://www.thunderbird.net/media/img/thunderbird/handshake.png
  4. https://www.thunderbird.net/media/img/thunderbird/logos/release.png
  5. https://www.thunderbird.net/media/img/thunderbird/logos/beta.png
  6. https://www.thunderbird.net/media/img/thunderbird/logos/daily.png
  7. https://thunderbird.innocraft.cloud/piwik.php?idsite=1&rec=1
JavaScript defer
The are 4 javascript resources without the defer attribute.
  1. https://www.thunderbird.net/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js
  2. https://www.thunderbird.net/media/js/site-bundle.js
  3. https://www.thunderbird.net/media/js/common-bundle.js
  4. https://www.thunderbird.net/media/js/matomo.js
DOM size
The DOM size is optimal.
The HTML file has 900 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.thunderbird.net/en-US/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
cloudflare
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage contains plaintext emails.
  1. thunderbird@mastodon.online
Miscellaneous
Structured data
The webpage has structured data.
      Meta viewport
      The webpage has a meta viewport tag set.
      width=device-width, initial-scale=1
      Character set
      The webpage has a charset value set.
      utf-8
      Sitemap
      No sitemaps found.
      Social
      The webpage has 2 social links.
      Content length
      The webpage has 1,125 words.
      Text to HTML ratio
      The text to HTML ratio is under 10%
      The text to HTML ratio is 4%.
      Inline CSS
      The webpage contains inline CSS code.
      1. position: absolute; left: -5000px;
      2. fill:currentColor;fill-rule:evenodd
      3. border:0;
      Deprecated HTML
      There are no deprecated HTML tags on the webpage.