SEO report of rfcurrent.com
rfcurrent.com | devoted to rf & microwave filter theory and design
www.rfcurrent.com/
Error! The "meta description" is missing, the page has no summary description!
Tasks
- Avoid using deprecated HTML tags.
SEO
URL
Domain : www.rfcurrent.com/
Character length : 18
Title
rfcurrent.com | devoted to rf & microwave filter theory and design
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
Error! Hyphen (-) is a better solution than underscore (_) in the URLs
- http://www.rfcurrent.com/coupling_concept ("The concept of coupling")
- http://www.rfcurrent.com/port_tuning ("Port tuning of 3D EM filter models")
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
There is robots.txt file.
https://rfcurrent.com/robots.txt
https://rfcurrent.com/robots.txt
| User-agent | Disallowed for the search engines |
|---|---|
| * |
|
Social
Social Engagement
Linkedin1
Facebook Share0
Facebook Comments0
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”en”.
Title
rfcurrent.com | devoted to rf & microwave filter theory and design
Character length : 70
Good! The title’s length is between 10 and 70 characters.
Character length : 70
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 14%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 3 | 0 | 4 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> rfcurrent.com
- <H3> Introduction and some basics
- <H3> Filter topics
- <H3> Other
- <H1> Welcome to rfcurrent.com
- <H1> rfcurrent.com – trusted by students and filter workers since 2011
- <H3> “The first thing to learn about the theory of microwaves is that the idea of impedance cannot be used as a substitute for thought.” (Dr. W.W. Hansen, 1942)
Word cloud
- filter24
- design12
- filters11
- theory5
- spectrum5
- tuning4
- aided4
- tools3
- input3
- donation3
- rfcurrent3
- make3
- german3
- links3
- blog3
- often3
- patents3
- publications3
- lumped2
- example2
- calculation2
- lowpass2
- chebyshev2
- cat2
- models2
- element2
- planar2
- variations2
- bandpass2
- receiver2
- designs2
- good2
- used2
- limiting2
- since2
- signal2
- s&u2
- website2
- analogue2
- properly2
- values2
- computer2
- responses2
- easy2
- synthesis2
- reception2
- clear2
- port2
- wordpress2
- antenna2
- search2
- resonators2
- eigenmodes2
- eigenmode2
- work2
- solvers2
- quality2
- simulation2
- factor2
- group2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| filter | |||
| design | |||
| filters | |||
| theory | |||
| spectrum | |||
| tuning |
Two Word cloud
- filter design4
- links german3
- element values2
- design eigenmodes2
- chebyshev lowpass2
- easy way2
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 2 images on this web page.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 1 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Readability
Flesch–Kincaid Grade Level
6.30
Flesch Reading Ease
59.80
Coleman Liau Index
12.00
Automated Readability Index (ARI)
4.80
Dale–Chall Readability
8.20
SMOG Index
9.00
Spache Readibility
5.00
Number of letters
3355
Number of words
671
Number of sentences
123
Average words per sentences
5
Number of syllables
1122
Syllables in words
1111
Average syllables in words
1.67
Number of words in first three syllables
123
Percentage of word / syllables
18.33
Words not in Dale-Chall easy-word list
336
Words not in Spache easy-word list
200
Technologies
Mobile optimization
This website is optimal for mobile devices!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
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
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
3,678 ms
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://www.rfcurrent.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
- http://www.rfcurrent.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
- http://www.rfcurrent.com/wp-content/plugins/seamless-donations/js/script.js?ver=4.7.4
- http://www.rfcurrent.com/wp-content/plugins/seamless-donations/legacy/js/geo-selects.js?ver=4.7.4
- http://www.rfcurrent.com/wp-content/plugins/seamless-donations/js/paypalstd-script.js?ver=4.7.4
- http://www.rfcurrent.com/wp-content/plugins/seamless-donations/js/seamless-donations.js?ver=4.7.4
- http://www.rfcurrent.com/wp-content/plugins/seamless-donations/library/node-uuid/uuid.js?ver=4.7.4
- http://www.rfcurrent.com/wp-content/plugins/google-analyticator/external-tracking.min.js?ver=6.5.0
- http://www.rfcurrent.com/wp-content/themes/academica/js/jquery.mmenu.min.all.js?ver=20150325
- http://www.rfcurrent.com/wp-content/themes/academica/js/superfish.min.js?ver=20150325
- http://www.rfcurrent.com/wp-content/themes/academica/js/functions.js?ver=20150325
- http://www.rfcurrent.com/wp-includes/js/wp-embed.min.js?ver=4.7.4
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://www.rfcurrent.com/wp-content/plugins/seamless-donations/css/styles.css?ver=4.7.4
- http://www.rfcurrent.com/wp-content/themes/academica/style.css?ver=4.7.4
- http://www.rfcurrent.com/wp-content/themes/academica/media-queries.css?ver=1.0
- http://www.rfcurrent.com/wp-includes/css/dashicons.min.css?ver=4.7.4
- http://www.rfcurrent.com/wp-content/plugins/social-icons-widget-by-wpzoom/css/socicon.css?ver=20160404
- http://www.rfcurrent.com/wp-content/plugins/social-icons-widget-by-wpzoom/css/genericons.css?ver=20160404
- http://www.rfcurrent.com/wp-content/plugins/social-icons-widget-by-wpzoom/css/font-awesome.min.css?ver=20160404
- http://www.rfcurrent.com/wp-content/plugins/download-monitor/page-addon/styles.css?ver=4.7.4
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.
Traffic
Alexa
22029280
Links
We found a total of 26 different links.
Internal links: 24
External links: 2
Internal links: 24
External links: 2
External links:
Internal links:
Website security
IP
66.147.242.89
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
Error! No favicon is found. Using favicon helps to build a better brand quicker.
Order of Heading elements on mobile by position
- H1 : rfcurrent.com , ( 30px from top )
- H3 : Introduction and some basics, ( 291px from top )
- H3 : Filter topics, ( 574px from top )
- H3 : Other, ( 1229px from top )
Typos
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