SEO report of robertsaudiotech.com
Roberts Audio Technology - RetroValves®
www.robertsaudiotech.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.robertsaudiotech.com/
Character length : 25
Title
Roberts Audio Technology - RetroValves®
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
Missing doctype element
Encoding
Error! The character encoding setting is missing!
Language
Error! No language localization is found.
Title
Roberts Audio Technology - RetroValves®
Character length : 43
Good! The title’s length is between 10 and 70 characters.
Character length : 43
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 17%
Acceptable! The text / code ratio is between 15 and 25 percent.
Acceptable! The text / code ratio is between 15 and 25 percent.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 0 | 3 | 0 | 3 | 0 | 0 |
Heading structure in the source code
- <H2> What are RetroValves®?
- <H4> Retrovalve® vacuum tube replacement devices are 100% analog vacuum tube replacements that offer the warm, fat, punchy sound traditionally associated only with glass vacuum tubes. These pin-for-pin compatible direct replacement devices enhance and extend the performance of tube amplifiers of all vintages!
- <H2> RetroValves® vs Vacuum Tubes
- <H4> The vacuum tube was key to our modern technology and our history. Today, vacuum tube use is almost extinct due to advances in solid state technology. Yet vacuum tube use has not declined in audio applications. The dynamic sound of vacuum tube amplified devices is understood among tube audio enthusiasts. RetroValves are a unique alternative to glass vacuum tubes that have the dynamic sound, but with the advantages offered by solid-state.
- <H2> Meet Doug Roberts
- <H4> Doug has worked as an electrical design engineer for prominent medical electronics firms for 25+ years and is a cooperative holder of several utility patents for the first publicly offered automatic external defibrillators (AEDs). Doug played guitar in heavy metal bands in the Seattle area from approximately 1981 to 1992 and worked exclusively with Mike Soldano on the formation of Mikes first amplifier design(s)...
Word cloud
- vacuum9
- tube8
- doug4
- sound4
- audio3
- read3
- tubes3
- offered3
- roberts3
- retrovalves3
- devices3
- design3
- enhance2
- first2
- all2
- patents2
- worked2
- dynamic2
- technology2
- advantages2
- glass2
- replacement2
- retrovalves®2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| vacuum | |||
| tube | |||
| doug | |||
| sound | |||
| audio | |||
| read |
Two Word cloud
- vacuum tube4
- read more2
- advantages offered2
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 1 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Technologies
Mobile optimization
Error! This website is not optimized for mobile devices... It is optimized for devices which have at least 943px 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 fast enough.
Loading time
1,944 ms
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
0.00
Gzip compression
Your site uses compression.
Speed test – Browser cache
Browser cache
The browser cache is set correctly for all elements.
Speed test – Images
File size of all images combined
0.00
Image optimisation
All images are optimized.
Links
We found a total of 15 different links.
Internal links: 13
External links: 2
Internal links: 13
External links: 2
External links:
| Link text (anchor) | Link strength |
|---|---|
| http://www.jetcityamplification.com | |
| Bigfin.com |
Internal links:
Website security
IP
206.188.192.156
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
Warning! The website contains at least one unencrypted email address.
Sites on same ip
Icons
Favicon
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H2 : RetroValves® vs Vacuum Tubes, ( 0px from top )
- H4 : The vacuum tube was key to our modern technology and our history. Today, vacuum tube use is almost extinct due to advances in solid state technology. Yet vacuum tube use has not declined in audio applications. The dynamic “sound” of vacuum tube amplified devices is understood among tube audio enthusiasts. RetroValves® are a unique alternative to glass vacuum tubes that have the dynamic sound, but with the advantages offered by solid-state. , ( 0px from top )
- H2 : Meet Doug Roberts, ( 0px from top )
- H4 : Doug has worked as an electrical design engineer for prominent medical electronics firms for 25+ years and is a cooperative holder of several utility patents for the first publicly offered automatic external defibrillators (AED’s). Doug played guitar in heavy metal bands in the Seattle area from approximately 1981 to 1992 and worked exclusively with Mike Soldano on the formation of Mike’s first amplifier design(s)..., ( 0px from top )
- H2 : What are RetroValves®?, ( 224px from top )
- H4 : Retrovalve® vacuum tube replacement devices are 100% analog vacuum tube replacements that offer the warm, fat, punchy sound traditionally associated only with glass vacuum tubes. These pin-for-pin compatible direct replacement devices enhance and extend the performance of tube amplifiers of all vintages!, ( 281px from top )
Typos
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