Frequencyinverters.org - SEO Checker

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Overview of the SEO Check
Meta information
89% 
Page quality
88% 
Page structure
100% 
Link structure
93% 
Server
80% 
External factors
45% 
SEO Score
Response time
0.46 s
File size
29.40 kB
Words
2413
Media files
7
Number of links
58 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Frequency inverters
The page title is too short. (177 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Frequency inverter manufacturer in China, supply low voltage inverter, single phage inverters for AC motor speed controls in energy-saving solutions.
The length of the meta description is perfect. (917 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
http://www.frequencyinverters.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain name is very long.
The domain is no subdomain.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The character encoding is not specified in the HTTP header.
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype XHTML 1.0 Transitional is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
descriptionFrequency inverter manufacturer in China, supply low voltage inverter, single phage inverters for AC motor speed controls in energy-saving solutions.
keywordsfrequency inverter
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 2413 words. That's ok.
32.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
33 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 22.24 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 48 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
/image/sys/logo.pngfrequency inverter
/image/banner.jpginverters
/image/energy.jpginverter energy
/image/frequency-converter-60hz-to-50hz.jpgFrequency Converter 60Hz to 50HzFrequency Converter 60Hz to 50Hz
/image/service-girl.jpginverter service
/image/single-phase-inverter-160-3058.jpgSingle phase inverter
/image/vector-inverter-160-0446.jpgVector control frequency inverter

Page structure

H1 heading
(Critically important)
What's a Frequency Inverter?
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 What's a Frequency Inverter?
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 1 external links on this page.

Found links on this page

LinkAttributesAnchor text
/IMG-ALT frequency inverter
/Home
/sitemap.htmlSitemap
/inverters.htmlInverters
/frequency-converter.htmlFrequency Converter
/applications.htmlApplications
/faq.htmlFAQ
/contact.htmlNofollow Contact
https://www.inverter.com/New window External Subdomain inverter (DC to AC)
/60hz-to-50hz-frequency-conver...Subdomain 60Hz to 50Hz Frequency Converter
/60hz-to-50hz-frequency-conver...Subdomain IMG-ALT Frequency Converter 60Hz to 50Hz
/single-phase-to-three-phase-c...Subdomain Single phase to three phase converter
/frequency-converter-troublesh...Subdomain Frequency Converter Troubleshooting
/does-frequency-converter-bett...Subdomain Does Frequency converter better than control valves in flow controls
/determining-frequency-convert...Subdomain Determining frequency converter size
/frequency-inverter-energy-eff...Subdomain Frequency inverter energy efficiency calculation
/frequency-inverter-safety-con...Subdomain Frequency Inverter Safety: Contactors on input vs. output
/frequency-inverter-design-559...Subdomain Frequency inverter design
/frequency-inverter-basic-theo...Subdomain Frequency Inverter Basic Theory
/frequency-inverter-cable-impa...Subdomain Frequency inverter cable impact on Motor Life
/frequency-inverter-an-efficie...Subdomain Frequency inverter: an efficient way for energy saving
/frequency-inverter-benefits-i...Subdomain Frequency inverter benefits in your application
/how-to-select-frequency-inver...Subdomain How to select frequency inverter?
/frequency-inverter-in-oil-ind...Subdomain Frequency inverter in Oil Industry
/inverter-minimum-operation-fr...Subdomain Inverter minimum operation frequency
/frequency-inverter-on-pumps-f...Subdomain Frequency inverter on pumps for energy saving
/frequency-inverter-in-screw-e...Subdomain Frequency inverter in Screw extruding machines
/frequency-inverter-in-nc-lath...Subdomain Frequency inverter in NC Lathe
/frequency-inverter-for-air-co...Subdomain Frequency inverter for Air Compressor
/inverter-in-injection-molding...Subdomain Inverter in injection molding machine advantages
/how-is-frequency-inverter-sav...Subdomain How is frequency inverter saving energy?
/frequency-inverter-control-mo...Subdomain Frequency inverter control mode
/frequency-inverter-in-hoist-c...Subdomain Frequency inverter in hoist & crane
/inverters-ac-line-reactor-vs-...Subdomain Inverters: AC line reactor VS DC choke
/single-phase-inverter-232079....Subdomain Single phase inverter
/single-phase-inverter-232079....Subdomain Text duplicate IMG-ALT Single phase inverter
/vector-control-frequency-inve...Subdomain Vector control frequency inverter
/vector-control-frequency-inve...Subdomain Text duplicate IMG-ALT Vector control frequency inverter
/frequency-inverter-market-759...Subdomain Frequency inverter market
/what-is-a-frequency-inverter-...Subdomain What is a frequency inverter?
/frequency-inverter-reconstruc...Subdomain Frequency inverter reconstruction to save energy
/frequency-inverter-typical-ap...Subdomain Frequency inverter typical applications
/frequency-inverter-for-fans-f...Subdomain Frequency inverter for fans for energy saving
/60hz-to-50hz-frequency-conver...Subdomain Text duplicate 60Hz to 50Hz Frequency Converter
/50hz-motor-running-on-60hz-po...Subdomain 50Hz motor running on 60Hz power supply
/single-phase-to-three-phase-c...Subdomain Text duplicate Single phase to three phase converter
/frequency-converter-typical-s...Subdomain Frequency converter typical shortcomings
/frequency-converter-troublesh...Subdomain Text duplicate Frequency Converter Troubleshooting
/frequency-inverter-the-best-e...Subdomain Frequency inverter, the best energy saving solution
/does-frequency-converter-bett...Subdomain Text duplicate Does Frequency converter better than control valves in flow controls
/frequency-converter-for-pumps...Subdomain Frequency Converter for Pumps
/why-ac-motor-needs-a-frequenc...Subdomain Why AC motor needs a Frequency Converter?
/determining-frequency-convert...Subdomain Text duplicate Determining frequency converter size
/frequency-inverter-energy-eff...Subdomain Text duplicate Frequency inverter energy efficiency calculation
/frequency-inverter-for-heavy-...Subdomain Frequency inverter for heavy duty application (mining)
/Frequency Inverters
/contact.htmlNofollow Get a Price
/about.htmlNofollow About
/terms.htmlNofollow Terms

Server configuration

HTTP redirects
(Critically important)
This page redirects to "http://www.frequencyinverters.org/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.46 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page only loads 1 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (29 kB).

HTTP Response Header

NameValue
content-typetext/html
content-encodinggzip
last-modifiedFri, 04 Mar 2022 07:16:34 GMT
accept-rangesbytes
etag"0f56fc7972fd81:0"
varyAccept-Encoding
serverMicrosoft-IIS/10.0
x-powered-byASP.NET
x-powered-by-pleskPleskWin
dateTue, 08 Apr 2025 05:33:35 GMT
content-length8886
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 15 referring domains.
This page only has 52 backlinks.
This page only has few backlinks from 14 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /
Disallow: /contact.html
Sitemap: http://www.frequencyinverters.org/sitemap.xml

Similar sites

Search preview

www.frequencyinverters.org
Frequency inverters
Frequency inverter manufacturer in China, supply low voltage inverter, single phage inverters for AC motor speed controls in energy-saving solutions.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Frequency95%Check
Frequency Inverter94%Check
inverter93%Check
frequency inverters83%Check
frequency control74%Check
frequency inverter manufacturers74%Check
Frequency inverter reconstruction74%Check
Inverters71%Check
vector control frequency inverter71%Check
voltage frequency70%Check
Show more keywords and terms

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