SEO report of cleanrf.biz
RF Demodulator | RF Sampler | AM Modulation Monitor
www.cleanrf.biz/
RF Demodulator | Variable RF Sampler | AM Modulation Monitor | Oscilloscope Signal Monitoring of HF Linear Amplifiers
Tasks
- Make the site mobile device friendly.
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.cleanrf.biz/
Character length : 16
Title
RF Demodulator | RF Sampler | AM Modulation Monitor
Description
RF Demodulator | Variable RF Sampler | AM Modulation Monitor | Oscilloscope Signal Monitoring of HF Linear Amplifiers
Keywords (meta keywords)
RF Demodulator,RF Sampler,Variable RF Sampler,AM Modulation Monitor,Oscilloscope,Signal,Monitoring,HF,Linear,Amplifiers,Exciter,Linear,Envelope,trapezoidal,Amateur Radio,CleanRF Systems, LLC,cleanrf.c
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
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
There is robots.txt file.
https://cleanrf.biz/robots.txt
https://cleanrf.biz/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
Social
Social Engagement
No info found.
Content
Doctype
Missing doctype element
Encoding
Perfect! The character encoding is set: ISO-8859-1.
Language
Error! No language localization is found.
Title
RF Demodulator | RF Sampler | AM Modulation Monitor
Character length : 51
Good! The title’s length is between 10 and 70 characters.
Character length : 51
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 16%
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 |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> RF Demodulator | RF Sampler AM Modulation MonitorStation Monitor Solutions For the Discriminating RF Signal Perfectionist
Word cloud
- signal7
- rf-d7
- model7
- sampler5
- demodulator5
- used5
- series4
- variable4
- envelope4
- oscilloscope4
- monitor4
- rf-s3
- audio3
- modulation3
- directly3
- products3
- reference3
- linear3
- shown2
- frequency2
- observation2
- additionally2
- remains2
- splatter2
- view2
- usable2
- llc2
- systems2
- cleanrf2
- amplifier2
- suitable2
- input2
- feeding2
- station2
- designed2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| signal | |||
| rf-d | |||
| model | |||
| sampler | |||
| demodulator | |||
| used |
Two Word cloud
- series rf-s3
- splatter view2
- rf-s variable2
- signal suitable2
- envelope from2
- cleanrf systems2
Three Word cloud
- usable signal suitable2
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 14 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 703px wide display!
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <font> | 4 |
Redirection (www / not www)
Good! The web address is accessible only in one version. The version without www is redirected to the version with www.
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <font> | 4 |
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
2,003 ms
Table layout
Error! Avoid using nested tables!
Number of HTTP resources
31
Number of source domains
1
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://www.cleanrf.biz/roll-over.js
- http://www.cleanrf.biz/slideshow.js
- http://www.cleanrf.biz/add-event.js
- http://www.cleanrf.biz/popup.js
- http://www.cleanrf.biz/scrollbar.js
- http://www.cleanrf.biz/cleanrf.css
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
File size of all javascript files combined
10.02KB
Javascript minifying
You can save 634B (21% 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.
File size of all css files combined
6.26KB
CSS minifying
You can save 734B (12% compression) on the analysed URL by minifying the CSS files.
- By minifying http://www.cleanrf.biz/cleanrf.css you can save 734B (12% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
14.41KB
Gzip compression
Error! By using Gzip you can save 10.7KB (75% compression) on your site.
- By compressing http://www.cleanrf.biz you can save 10.7KB (75% compression rate)
- By compressing http://www.cleanrf.biz/cleanrf.css you can save 5.5KB (91% compression rate)
- By compressing http://www.cleanrf.biz/slideshow.js you can save 3.7KB (71% compression rate)
- By compressing http://www.cleanrf.biz/popup.js you can save 1KB (53% compression rate)
- By compressing http://www.cleanrf.biz/roll-over.js you can save 529B (50% compression rate)
- By compressing http://www.cleanrf.biz/scrollbar.js you can save 214B (59% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
30
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://www.cleanrf.biz/add-event.js | Expiry time is not specified |
| http://www.cleanrf.biz/cleanrf.css | Expiry time is not specified |
| http://www.cleanrf.biz/images/8877.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/Linear-Pattern.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/Linear.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/No-More-Guess-Work.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/Scope_Chain_home.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/about_button_1.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/about_button_2.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/application_button_1.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/application_button_2.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/cleanrf-systems_logo.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/console.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/contact_button_1.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/contact_button_2.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/frustrated_amp.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/green_arrow_l.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/home_button_0.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/load-control.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/lower_bck.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/products.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/products_button_1.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/products_button_2.gif | Expiry time is not specified |
| http://www.cleanrf.biz/images/rf-d_product.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/rf-s2k_product.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/images/splatterview_home.jpg | Expiry time is not specified |
| http://www.cleanrf.biz/popup.js | Expiry time is not specified |
| http://www.cleanrf.biz/roll-over.js | Expiry time is not specified |
| http://www.cleanrf.biz/scrollbar.js | Expiry time is not specified |
| http://www.cleanrf.biz/slideshow.js | Expiry time is not specified |
Speed test – Images
File size of all images combined
605.36KB
Image optimisation
You can save 408.1KB (69% compression) by optimising the images below:
- By lossless compressing the http://www.cleanrf.biz/images/Linear.jpg you can save 78.9KB (75%) data.
- By lossless compressing the http://www.cleanrf.biz/images/8877.jpg you can save 74.6KB (77%) data.
- By lossless compressing the http://www.cleanrf.biz/images/No-More-Guess-Work.jpg you can save 58.5KB (77%) data.
- By lossless compressing the http://www.cleanrf.biz/images/load-control.jpg you can save 33.6KB (76%) data.
- By lossless compressing the http://www.cleanrf.biz/images/Linear-Pattern.jpg you can save 33.4KB (74%) data.
- By lossless compressing the http://www.cleanrf.biz/images/splatterview_home.jpg you can save 30.1KB (72%) data.
- By lossless compressing the http://www.cleanrf.biz/images/frustrated_amp.jpg you can save 27.1KB (64%) data.
- By lossless compressing the http://www.cleanrf.biz/images/rf-s2k_product.jpg you can save 19.8KB (73%) data.
- By lossless compressing the http://www.cleanrf.biz/images/rf-d_product.jpg you can save 19.7KB (74%) data.
- By lossless compressing the http://www.cleanrf.biz/images/Scope_Chain_home.jpg you can save 12.8KB (59%) data.
- By lossless compressing the http://www.cleanrf.biz/images/products.jpg you can save 12.2KB (26%) data.
- By lossless compressing the http://www.cleanrf.biz/images/cleanrf-systems_logo.jpg you can save 6.8KB (61%) data.
- By lossless compressing the http://www.cleanrf.biz/images/about_button_1.gif you can save 222B (15%) data.
- By lossless compressing the http://www.cleanrf.biz/images/application_button_1.gif you can save 202B (11%) data.
- By lossless compressing the http://www.cleanrf.biz/images/home_button_0.gif you can save 191B (12%) data.
Links
We found a total of 19 different links.
Internal links: 17
External links: 2
Internal links: 17
External links: 2
External links:
| Link text (anchor) | Link strength |
|---|---|
| IcyColors Website Design | |
| KA0KA.com |
Internal links:
Website security
IP
72.29.92.190
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.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Order of Heading elements on mobile by position
- H1 : RF Demodulator | RF Sampler AM Modulation Monitor Station Monitor Solutions For the Discriminating RF Signal Perfectionist, ( 14px from top )
Typos
leanrf.biz, cxleanrf.biz, xleanrf.biz, csleanrf.biz, sleanrf.biz, cleanrf.biz, leanrf.biz, cdleanrf.biz, dleanrf.biz, cfleanrf.biz, fleanrf.biz, cvleanrf.biz, vleanrf.biz, c leanrf.biz, leanrf.biz, ceanrf.biz, clpeanrf.biz, cpeanrf.biz, cloeanrf.biz, coeanrf.biz, cleanrf.biz, ceanrf.biz, clieanrf.biz, cieanrf.biz, clkeanrf.biz, ckeanrf.biz, clmeanrf.biz, cmeanrf.biz, cl.eanrf.biz, c.eanrf.biz, clanrf.biz, clewanrf.biz, clwanrf.biz, clesanrf.biz, clsanrf.biz, cleanrf.biz, clanrf.biz, cledanrf.biz, cldanrf.biz, clefanrf.biz, clfanrf.biz, cleranrf.biz, clranrf.biz, cle3anrf.biz, cl3anrf.biz, cle4anrf.biz, cl4anrf.biz, clenrf.biz, cleaqnrf.biz, cleqnrf.biz, cleawnrf.biz, clewnrf.biz, cleaznrf.biz, cleznrf.biz, cleanrf.biz, clenrf.biz, cleaxnrf.biz, clexnrf.biz, cleasnrf.biz, clesnrf.biz, clearf.biz, cleanbrf.biz, cleabrf.biz, cleangrf.biz, cleagrf.biz, cleanhrf.biz, cleahrf.biz, cleanjrf.biz, cleajrf.biz, cleanmrf.biz, cleamrf.biz, clean rf.biz, clea rf.biz, cleanf.biz, cleanref.biz, cleanef.biz, cleanrdf.biz, cleandf.biz, cleanrff.biz, cleanff.biz, cleanrgf.biz, cleangf.biz, cleanr4,f.biz, clean4,f.biz, cleanrtf.biz, cleantf.biz, cleanr5f.biz, clean5f.biz, cleanr.biz, cleanrfc.biz, cleanrc.biz, cleanrfd.biz, cleanrd.biz, cleanrfe.biz, cleanre.biz, cleanrfr.biz, cleanrr.biz, cleanrft.biz, cleanrt.biz, cleanrfg.biz, cleanrg.biz, cleanrfb.biz, cleanrb.biz, cleanrfv.biz, cleanrv.biz
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