SEO report of high-techdangers.com

High Tech Dangers

www.high-techdangers.com/

Error! The "meta description" is missing, the page has no summary description!

   

 Tasks

  • Make the site mobile device friendly.
  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.
  • Implement the viewport meta tag.

 SEO

URL

Domain : www.high-techdangers.com/

Character length : 25

Title
High Tech Dangers
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!

 Social

Social Engagement

No info found.

 Content

Doctype
XHTML 1.0 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
High Tech Dangers

Character length : 17

Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 49%

Good! The text / code ratio is between 25 and 70 percent.
Headings
H1H2H3H4H5H6
740000
Heading structure in the source code
  • <H1> 
  • <H1> "None are more hopelessly endangered than those who falsely believe they are safe."
  • <H2> Johann Wolfgang von Goethe
  • <H1> "[A] team structure effective for routine operations could break down in non-routine circumstances."
  • <H2> Barry Strauch
  • <H1> "Reality is always more complex than it seems, but is always right."
  • <H2> Fred Lighthall
  • <H1> "There is an invisible world out there, and we are living in it."
  • <H2> Bill Viola, Video Artist
  • <H1> Buy The Book
  • <H1> Website’s Purposes
Word cloud
  • high-tech5
  • danger5
  • book4
  • making4
  • disastrous4
  • decision4
  • case3
  • safety3
  • disaster3
  • analysis3
  • production2
  • managerial2
  • columbia2
  • organization’s2
  • added2
  • always2
  • engineers’2
  • settling2
  • welcome2
  • vulnerabilities2
  • technical2
  • author's2
  • author2
  • hidden2
  • study2
  • lighthall2
  • essays2
  • flaws2
  • vulnerability2
  • validity2
  • challenger2
Keyword matrix
wordtitledescriptionsheading
high-tech
danger
book
making
disastrous
decision
Two Word cloud
  • decision making2
Three Word cloud
  • disastrous high-tech decision2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 5 images on this web page.

Alternate attributes for the following 5 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

 Technologies

Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 900px wide display!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is not fast enough: 0.52 seconds have passed until the page started to load.
Loading time
4,990 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
30
Number of source domains
1
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • http://www.high-techdangers.com/js/jquery.js
  • http://www.high-techdangers.com/js/jquery.bxslider.min.js
  • http://www.high-techdangers.com/js/ddsmoothmenu.js
List of render blocking css files
  • http://www.high-techdangers.com/css/style.css
  • http://www.high-techdangers.com/css/jquery.bxslider.css
  • http://www.high-techdangers.com/css/ddsmoothmenu.css
  • http://www.high-techdangers.com/.. /font-awesome.min.css

 Speed test – Javascript

Javascript
Good! Just a few javascript files are detected on the website.
  • http://www.high-techdangers.com/js/jquery.js
  • http://www.high-techdangers.com/js/jquery.bxslider.min.js
  • http://www.high-techdangers.com/js/ddsmoothmenu.js
File size of all javascript files combined
140.95KB
Javascript minifying
You can save 3.6KB (44% compression) on the analysed URL by minifying the javascript files.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
  • http://www.high-techdangers.com/css/style.css
  • http://www.high-techdangers.com/css/jquery.bxslider.css
  • http://www.high-techdangers.com/css/ddsmoothmenu.css
  • http://www.high-techdangers.com/path/to/font-awesome/css/font-awesome.min.css
File size of all css files combined
14.88KB
CSS minifying
You can save 1.2KB (29% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
7.10KB
Gzip compression
Your site uses compression.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
25
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
http://www.high-techdangers.com/css/ddsmoothmenu.cssExpiry time is not specified
http://www.high-techdangers.com/css/jquery.bxslider.cssExpiry time is not specified
http://www.high-techdangers.com/css/style.cssExpiry time is not specified
http://www.high-techdangers.com/images/bg-box01.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-box02.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-box03.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-box04.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-footer.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-heaer.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-home-body.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-home-box.pngExpiry time is not specified
http://www.high-techdangers.com/images/bg-nav.jpgExpiry time is not specified
http://www.high-techdangers.com/images/bg-slider.jpgExpiry time is not specified
http://www.high-techdangers.com/images/ico-face.pngExpiry time is not specified
http://www.high-techdangers.com/images/ico-next.pngExpiry time is not specified
http://www.high-techdangers.com/images/ico-prev.pngExpiry time is not specified
http://www.high-techdangers.com/images/ico-tweet.pngExpiry time is not specified
http://www.high-techdangers.com/images/logo-footer.pngExpiry time is not specified
http://www.high-techdangers.com/images/logo.pngExpiry time is not specified
http://www.high-techdangers.com/images/slider02.pngExpiry time is not specified
http://www.high-techdangers.com/images/slider03.pngExpiry time is not specified
http://www.high-techdangers.com/images/trace-book.pngExpiry time is not specified
http://www.high-techdangers.com/js/ddsmoothmenu.jsExpiry time is not specified
http://www.high-techdangers.com/js/jquery.bxslider.min.jsExpiry time is not specified
http://www.high-techdangers.com/js/jquery.jsExpiry time is not specified

 Speed test – Images

File size of all images combined
1.53MB
Image optimisation
You can save 421.9KB (50% compression) by optimising the images below:

 Links

We found a total of 20 different links.
Internal links: 16
External links: 4

External links:

Link text (anchor) Link strength
https://www.facebook.com/disastroushightechdecisionmaking
https://twitter.com/fredlighthall
Store
Buy The Book

Internal links:

Link text (anchor) Link strength
http://www.high-techdangers.com/default.asp
Book: Disastrous High-tech decision making
Table of Contents
Essays
- The Columbia Disaster
- Case Study: A High Tech Near Miss
- Flaws in Vaughan's Analysis of the Challenger
- Author's Added Commentaries
About the Author
Contact
The Columbia Disaster: A Macro-Ergonomic Analysis
Case Study: A High-Tech “Near Miss”
BASIC FLAWS IN VAUGHAN’S ANALYSIS OF THE CHALLENGER DISASTER
Author's Added Commentary
http://www.high-techdangers.com/table-of-contents.asp
Home

 Website security

IP
96.31.35.230
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.

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hightechdangers.com

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 Icons

Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.

 Order of Heading elements on mobile by position

  • H1 : , ( 80px from top )
  • H1 : "There is an invisible world out there, and we are living in it.", ( 353px from top )
  • H1 : "None are more hopelessly endangered than those who falsely believe they are safe.", ( 353px from top )
  • H1 : "[A] team structure effective for routine operations could break down in non-routine circumstances.", ( 353px from top )
  • H1 : "Reality is always more complex than it seems, but is always right.", ( 353px from top )
  • H1 : "There is an invisible world out there, and we are living in it.", ( 353px from top )
  • H1 : "None are more hopelessly endangered than those who falsely believe they are safe.", ( 353px from top )
  • H2 : Bill Viola, Video Artist, ( 463px from top )
  • H2 : Johann Wolfgang von Goethe, ( 463px from top )
  • H2 : Barry Strauch, ( 463px from top )
  • H2 : Fred Lighthall, ( 463px from top )
  • H2 : Bill Viola, Video Artist, ( 463px from top )
  • H2 : Johann Wolfgang von Goethe, ( 463px from top )
  • H1 : Buy The Book, ( 786px from top )
  • H1 : Website’s Purposes, ( 786px from top )

 Typos

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