Search Engine Optimization Overview
69
100
Aviation Safety Network >
Aviation Safety Network - The resource centre for aircraft accidents and civil aviation safety issues.
Seo
Title
The title tag is perfect.
Aviation Safety Network >
Meta description
The meta description tag is good.
Aviation Safety Network - The resource centre for aircraft accidents and civil aviation safety issues.
Headings
There is no h1 tag on the webpage.
Content keywords
The content has relevant keywords.
aviationsafetynetwork
Image keywords
There are 14 images with missing alt attributes.
  1. https://cdn.aviation-safety.net/database/country/flags_15/5H.gif
  2. https://cdn.aviation-safety.net/database/country/flags_15/YV.gif
  3. https://cdn.aviation-safety.net/database/country/flags_15/9Q.gif
  4. https://cdn.aviation-safety.net/database/country/flags_15/CX.gif
  5. https://cdn.aviation-safety.net/database/country/flags_15/VH.gif
  6. https://cdn.aviation-safety.net/database/country/flags_15/ZK.gif
  7. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  8. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  9. https://cdn.aviation-safety.net/database/country/flags_15/JA.gif
  10. https://cdn.aviation-safety.net/database/country/flags_15/HZ.gif
  11. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  12. https://cdn.aviation-safety.net/graphics/FSF_logo_tagline_blackblue150.png
  13. https://cdn.aviation-safety.net/graphics/type/102.png
  14. https://cdn.aviation-safety.net/graphics/FSF_logo_no tag_trans2.png
SEO friendly URL
The URL is SEO friendly.
https://aviation-safety.net/
404 page
The website has 404 error pages.
https://aviation-safety.net/404-84dcb3f309827fb5270681157ae4bc4e
Robots.txt
The webpage cannot be accessed by search engines.
  1. *
  2. *
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage does not have a language declared.
Favicon
The webpage does not have a favicon.
Performance
Text compression
The HTML file is compressed.
Load time
The webpage loaded in 0.16 seconds.
Page size
The size of the HTML webpage is 6,521.00.
HTTP requests
There are fewer than 41 HTTP requests on the webpage.
  1. https://www.googletagmanager.com/gtag/js?id=G-DB6CGPDLSJ
  2. https://www.google.com/jsapi
  3. https://cdn.aviation-safety.net/asn.js
  1. https://cdn.aviation-safety.net/totalY.min.css
  2. https://cdn.aviation-safety.net/totalprint.css
  3. https://cdn.aviation-safety.net/FSFstyling.css
  1. https://cdn.aviation-safety.net/graphics/ASN Logo_FSF.png
  2. https://cdn.aviation-safety.net/graphics/ASN_Facebook.png
  3. https://cdn.aviation-safety.net/graphics/ASN_Twitter.png
  4. https://cdn.aviation-safety.net/graphics/ASN_Youtube.png
  5. https://cdn.aviation-safety.net/graphics/ASN_Instagram.png
  6. https://cdn.aviation-safety.net/graphics/type200/010.png
  7. https://cdn.aviation-safety.net/database/country/flags_15/5H.gif
  8. https://cdn.aviation-safety.net/database/country/flags_15/YV.gif
  9. https://cdn.aviation-safety.net/database/country/flags_15/9Q.gif
  10. https://cdn.aviation-safety.net/database/country/flags_15/CX.gif
  11. https://cdn.aviation-safety.net/database/country/flags_15/VH.gif
  12. https://cdn.aviation-safety.net/database/country/flags_15/ZK.gif
  13. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  14. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  15. https://cdn.aviation-safety.net/database/country/flags_15/JA.gif
  16. https://cdn.aviation-safety.net/database/country/flags_15/HZ.gif
  17. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  18. https://cdn.aviation-safety.net/graphics/icons/feed.png
  19. https://cdn.aviation-safety.net/graphics/FSF_logo_tagline_blackblue150.png
  20. https://cdn.aviation-safety.net/graphics/FSF_Facebook.png
  21. https://cdn.aviation-safety.net/graphics/FSF_Twitter.png
  22. https://cdn.aviation-safety.net/graphics/FSF_Youtube.png
  23. https://cdn.aviation-safety.net/graphics/FSF_LinkedIn.png
  24. https://cdn.aviation-safety.net/graphics/FSF_Instagram.png
  25. https://cdn.aviation-safety.net/graphics/ASN_IASS Ad-1.png
  26. https://cdn.aviation-safety.net/graphics/MonthlyDigest.jpg
  27. https://cdn.aviation-safety.net/graphics/subscribebutton.jpg
  28. https://cdn.aviation-safety.net/graphics/type/102.png
  29. https://cdn.aviation-safety.net/graphics/FSF_logo_no tag_trans2.png
  30. https://cdn.aviation-safety.net/graphics/FSF_Facebook.png
  31. https://cdn.aviation-safety.net/graphics/FSF_Twitter.png
  32. https://cdn.aviation-safety.net/graphics/FSF_Youtube.png
  33. https://cdn.aviation-safety.net/graphics/FSF_LinkedIn.png
  34. https://cdn.aviation-safety.net/graphics/FSF_Instagram.png
  1. https://cdn.aviation-safety.net/lib/sendcorrection2.php?title=Aviation Safety Network >
Image format
There are 34 images that are not using the AVIF, WebP format.
  1. https://cdn.aviation-safety.net/graphics/ASN Logo_FSF.png
  2. https://cdn.aviation-safety.net/graphics/ASN_Facebook.png
  3. https://cdn.aviation-safety.net/graphics/ASN_Twitter.png
  4. https://cdn.aviation-safety.net/graphics/ASN_Youtube.png
  5. https://cdn.aviation-safety.net/graphics/ASN_Instagram.png
  6. https://cdn.aviation-safety.net/graphics/type200/010.png
  7. https://cdn.aviation-safety.net/database/country/flags_15/5H.gif
  8. https://cdn.aviation-safety.net/database/country/flags_15/YV.gif
  9. https://cdn.aviation-safety.net/database/country/flags_15/9Q.gif
  10. https://cdn.aviation-safety.net/database/country/flags_15/CX.gif
  11. https://cdn.aviation-safety.net/database/country/flags_15/VH.gif
  12. https://cdn.aviation-safety.net/database/country/flags_15/ZK.gif
  13. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  14. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  15. https://cdn.aviation-safety.net/database/country/flags_15/JA.gif
  16. https://cdn.aviation-safety.net/database/country/flags_15/HZ.gif
  17. https://cdn.aviation-safety.net/database/country/flags_15/N.gif
  18. https://cdn.aviation-safety.net/graphics/icons/feed.png
  19. https://cdn.aviation-safety.net/graphics/FSF_logo_tagline_blackblue150.png
  20. https://cdn.aviation-safety.net/graphics/FSF_Facebook.png
  21. https://cdn.aviation-safety.net/graphics/FSF_Twitter.png
  22. https://cdn.aviation-safety.net/graphics/FSF_Youtube.png
  23. https://cdn.aviation-safety.net/graphics/FSF_LinkedIn.png
  24. https://cdn.aviation-safety.net/graphics/FSF_Instagram.png
  25. https://cdn.aviation-safety.net/graphics/ASN_IASS Ad-1.png
  26. https://cdn.aviation-safety.net/graphics/MonthlyDigest.jpg
  27. https://cdn.aviation-safety.net/graphics/subscribebutton.jpg
  28. https://cdn.aviation-safety.net/graphics/type/102.png
  29. https://cdn.aviation-safety.net/graphics/FSF_logo_no tag_trans2.png
  30. https://cdn.aviation-safety.net/graphics/FSF_Facebook.png
  31. https://cdn.aviation-safety.net/graphics/FSF_Twitter.png
  32. https://cdn.aviation-safety.net/graphics/FSF_Youtube.png
  33. https://cdn.aviation-safety.net/graphics/FSF_LinkedIn.png
  34. https://cdn.aviation-safety.net/graphics/FSF_Instagram.png
JavaScript defer
The are 3 javascript resources without the defer attribute.
  1. https://www.googletagmanager.com/gtag/js?id=G-DB6CGPDLSJ
  2. https://www.google.com/jsapi
  3. https://cdn.aviation-safety.net/asn.js
DOM size
The DOM size is optimal.
The HTML file has 448 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://aviation-safety.net/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
Apache
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage contains plaintext emails.
  1. jackman@flightsafety.org
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 does not have a charset declared.
      Sitemap
      No sitemaps found.
      Content length
      The webpage has 903 words.
      Text to HTML ratio
      The text to HTML ratio is 21%.
      Inline CSS
      The webpage contains inline CSS code.
      1. text-align: right;
      2. color:#c0c0c0;text-align: right;
      3. text-align: right;
      4. color:#c0c0c0;text-align: right;
      5. text-align: right;
      6. color:#c0c0c0;text-align: right;
      7. text-align: right;
      8. color:#c0c0c0;text-align: right;
      9. text-align: right;
      10. color:#c0c0c0;text-align: right;
      11. float:right;text-decoration: none;color:black;padding-left:5px;padding-right:5px;font-size: 90%;
      12. float:right;text-decoration: none;color:black;padding-right:5px;border-right: 3px solid #B0916E;font-size: 90%;
      13. clear: both;
      14. float:right;text-decoration: none;color:black;padding-left:5px;padding-right:5px;font-size: 90%;
      15. float:right;text-decoration: none;color:black;padding-right:5px;border-right: 3px solid #B0916E;padding-left:5px;font-size: 90%;
      16. float:right;text-decoration: none;color:black;padding-right:5px;border-right: 3px solid #B0916E;padding-left:5px;font-size: 90%;
      17. float:right;text-decoration: none;color:black;padding-right:5px;border-right: 3px solid #B0916E;padding-left:5px;font-size: 90%;
      18. border-bottom: 1px solid #ddd;
      19. border-bottom: 1px solid #ddd; font-size: 0.7em; padding: 4px;
      20. border-bottom: 1px solid #ddd; font-size: 0.7em; padding: 4px;
      21. border-bottom: 1px solid #ddd;
      22. border-bottom: 1px solid #ddd; text-align: right; padding: 4px;
      23. border-bottom: 1px solid #ddd; text-align: right; padding: 4px;
      24. border-bottom: 1px solid #ddd;
      25. border-bottom: 1px solid #ddd; text-align: right; padding: 4px;
      26. border-bottom: 1px solid #ddd; text-align: right; padding: 4px;
      27. color:orange;font-weight:bold
      28. font-size: 0.7em;
      29. clear: both;
      30. display:none
      31. background-color:#5F83A8;color:white;text-align: right;padding:10px;font-size:110%;
      32. background-color:#DDDDDD;color:black;width:100%;height: 175px;text-align:center
      33. background-color:#DDDDDD;color:black;padding:10px;text-align:left;width:400px;float:left
      34. background-color:#DDDDDD;
      35. text-decoration: none;color:black;
      36. text-decoration: none;color:black;
      37. text-decoration: none;color:black;
      38. text-decoration: none;color:black;
      39. text-decoration: none;color:black;
      40. text-decoration: none;color:black;
      41. text-decoration: none;color:black;
      42. text-decoration: none;color:black;
      43. text-decoration: none;color:black;
      44. display: inline-block;margin:0 auto;width:350px;height:20px;background:#DDDDDD;text-align:left;
      45. padding-top:5px;
      46. background-color:#DDDDDD;color:black;padding:10px;text-align:left;float:right
      47. text-decoration: none;color:black;
      48. clear: both;
      49. clear: both;
      Deprecated HTML
      There are no deprecated HTML tags on the webpage.