Rudolphresearch.de - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
68% 
Page structure
75% 
Link structure
33% 
Server
88% 
External factors
9% 
SEO Score
Response time
0.15 s
File size
755.10 kB
Words
1015
Media files
24
Number of links
96 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Rudolph Research Analytical Germany
The length of the page title is perfect. (344 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Rudolph Research Analytical Germany Dichtemessgerät, Refraktometer, Polarimeter, Saccarimeter, Alkoholmesser
The length of the meta description is perfect. (709 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://rudolphresearch.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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 is no subdomain.
The domain length is good.
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 charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 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
viewportwidth=device-width, initial-scale=1.0
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionRudolph Research Analytical Germany Dichtemessgerät, Refraktometer, Polarimeter, Saccarimeter, Alkoholmesser
generatorPowered by WPBakery Page Builder - drag and drop page builder for WordPress.
article:modified_time2024-03-21T17:00:20+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleRUDOLPH RESEARCH ANALYTICAL GERMANY
og:descriptionRudolph Research Analytical Germany Dichtemessgerät, Refraktometer, Polarimeter, Saccarimeter, Alkoholmesser
og:urlhttps://rudolphresearch.de/
og:site_nameRudolph Research Analytical Germany
og:imagehttps://rudolphresearch.de/wp-content/uploads/2019/11/densitymeters-300x261.png
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1015 words. That's ok.
37.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
17 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 17.26 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
The file size of the HTML document is very large (755.1 kB).
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 20 tags for this page.
Image SEO
(Somewhat important)
21 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...ntent/uploads/2019/11/rudolphgermany.pngRudolph Research Analytical Germany
...dth/DDM-slider-01.png?fit=1352,450&ssl=1No alt attribute provided
.../sl_refraktometer.jpg?fit=1920,450&ssl=1No alt attribute provided
...10/sl_polarimeter.jpg?fit=1920,450&ssl=1No alt attribute provided
...10/sl_sakarimeter.jpg?fit=1920,450&ssl=1No alt attribute provided
.../10/sl_automation.jpg?fit=1920,450&ssl=1No alt attribute provided
...Width/Sl_Verilink.jpg?fit=1920,450&ssl=1No alt attribute provided
...1/densitymeters.png?resize=125,109&ssl=1No alt attribute provided
...2019/11/refract.png?resize=125,109&ssl=1No alt attribute provided
...rimeters_Button.png?resize=125,109&ssl=1No alt attribute provided
...rimeters_button.png?resize=125,109&ssl=1No alt attribute provided
...tomation_button.png?resize=125,109&ssl=1No alt attribute provided
...lcoTest_home_bx.png?resize=125,109&ssl=1No alt attribute provided
...iLinkRx_home_bx.png?resize=125,109&ssl=1No alt attribute provided
...ranchen_home_bx.png?resize=125,109&ssl=1No alt attribute provided
...unster-1920w-1.webp?resize=273,150&ssl=1No alt attribute provided
...2023_1200x628-1.jpg?resize=273,150&ssl=1No alt attribute provided
...3/Achema-2024-1.jpg?resize=273,150&ssl=1No alt attribute provided
...ogo-400px-150x58.png?resize=150,58&ssl=1No alt attribute provided
...22/08/ArtelLogo.png?resize=421,128&ssl=1No alt attribute providedArtelLogo
...eDistillingLogo.jpg?resize=150,169&ssl=1No alt attribute providedPaintedStaveDistillingLogo
...eal-1-300x269-1.png?resize=300,269&ssl=1Rudolph Research Analytical Germany
...ads/2022/08/more.png?resize=150,51&ssl=1No alt attribute provided
...04/20year_badge.png?resize=700,170&ssl=1Rudolph Research Analytical Germany

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 BESUCH UNS IN
H3 REFERENZEN
H3 QUALITÄT
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 GARANTIE UND SERVICE
H3 Rudolph Research Analytical Germany
H3 Alle Rudolph-Instrumente tragen unsere exklusive 20-Verpflichtung, Ihr Instrument zu warten.
H6 RUDOLPH RESEARCH ANALYTICAL – GERMANY
Some anchor texts are used more than once.
17 links don't have an anchor text.
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 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://rudolphresearch.de/IMG-ALT Rudolph Research Analytical Germany
/dichtemessgerat/DICHTEMESSGERÄT
/tragbares-dichtemessgerat-ddm...Tragbares Dichtemessgerät DDM29
/refraktometer/REFRAKTOMETER
/handrefraktometer-j27/HANDREFRAKTOMETER – J27
/j47-und-j57/J47 und J57
/j157-refraktometer/J157
/j257-und-j357/J257 und J357
/j457-refraktometer/J457
/kontaktlinsenrefraktometer/Kontaktlinsen Refraktometer
/verilink/VeriLink Rx
/polarimeter/POLARIMETER
/autopol-i-ii-iii/Autopol I, II, III
/autopol-iv-und-v/Autopol® IV und Autopol® V
/autopol-v-plus-und-vi/Autopol® V Plus und VI
/uberholte/Überholte Polarimeter
/autopol-specifications/Autopol-Spezifikationen
/saccharimeter/SACCHARIMETER
/digitale-saccharimeter/Digitale Saccharimeter
/alcotest/ALCOTEST-RI®
/verilink/VeriLinkRx®
/automatisierung/AUTOMATISIERUNG
/autoflex-r837/AutoFlex R837
/instrument-combinations/Instrumentenkombinationen
/general-informations/ALLGEMEINE INFORMATION
https://rudolphresearch.de/about/Über
/service-maintenance/Service + Wartung
/customers-industries/Kunden / Branchen
/resources/RESSOURCEN
/service-maintenance/Text duplicate Service + Wartung
/technical-bulletins/Technische Bulletins
/videos/Videos
/quality/Qualität
/articles/Artikel
/white-papers/Weiße Papiere
/kontakt/KONTAKT / IMPRESSUM
/dichtemessgerat/Text duplicate DICHTEMESSGERÄT
/tragbares-dichtemessgerat-ddm...Text duplicate Tragbares Dichtemessgerät DDM29
/refraktometer/Text duplicate REFRAKTOMETER
/handrefraktometer-j27/Text duplicate HANDREFRAKTOMETER – J27
/j47-und-j57/Text duplicate J47 und J57
/j157-refraktometer/Text duplicate J157
/j257-und-j357/Text duplicate J257 und J357
/j457-refraktometer/Text duplicate J457
/kontaktlinsenrefraktometer/Text duplicate Kontaktlinsen Refraktometer
/verilink/Text duplicate VeriLink Rx
/polarimeter/Text duplicate POLARIMETER
/autopol-i-ii-iii/Text duplicate Autopol I, II, III
/autopol-iv-und-v/Text duplicate Autopol® IV und Autopol® V
/autopol-v-plus-und-vi/Text duplicate Autopol® V Plus und VI
/uberholte/Text duplicate Überholte Polarimeter
/autopol-specifications/Text duplicate Autopol-Spezifikationen
/saccharimeter/Text duplicate SACCHARIMETER
/digitale-saccharimeter/Text duplicate Digitale Saccharimeter
/alcotest/Text duplicate ALCOTEST-RI®
/verilink/Text duplicate VeriLinkRx®
/automatisierung/Text duplicate AUTOMATISIERUNG
/autoflex-r837/Text duplicate AutoFlex R837
/instrument-combinations/Text duplicate Instrumentenkombinationen
/general-informations/Text duplicate ALLGEMEINE INFORMATION
https://rudolphresearch.de/about/Text duplicate Über
/service-maintenance/Text duplicate Service + Wartung
/customers-industries/Text duplicate Kunden / Branchen
/resources/Text duplicate RESSOURCEN
/service-maintenance/Text duplicate Service + Wartung
/technical-bulletins/Text duplicate Technische Bulletins
/videos/Text duplicate Videos
/quality/Text duplicate Qualität
/articles/Text duplicate Artikel
/white-papers/Text duplicate Weiße Papiere
/kontakt/Text duplicate KONTAKT / IMPRESSUM
/dichtemessgerate/No Text
/refractometers/No Text
/polarimeters/No Text
/saccharimeter/No Text
/autoflex-r837/No Text
/verilink/No Text
/dichtemessgerate/No Text
/refraktometer/No Text
/polarimeters/No Text
/saccharimeter/No Text
/autoflex-r837/No Text
/alcotest/No Text
/verilink/No Text
/customers-industries/No Text
https://www.lab-supply.info/be...External Subdomain No Text
/2024/03/analytica-april-9th-1...No Text
/2024/03/achema-june-10-14-202...No Text
/quality/No Text
https://rudolphresearch.com/20...External Klicken sie hier, um die gesamte 20-Service-Garantie anzuzeigen…
/dichtemessgerate/DICHTE METERS
/refractometers/REFRAKTOMETERS
/polarimeters/POLARIMETERS
/saccharimeter/SACCARIMETERS
/automation/Text duplicate AUTOMATISIERUNG
/alcotest/ALCOTEST
/verilink/VERILINK
/kontakt/KONTAKT

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://rudolphresearch.de/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
A Content Delivery Network like Bootstrap CDN can save bandwidth for Bootstrap front-end component library.
The file size of the HTML document is very large (755 kB).
The page response time is excellent with 0.15 seconds.

HTTP Response Header

NameValue
dateSat, 26 Jul 2025 07:56:28 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding, User-Agent
x-cachecached
x-cache-hitHIT
x-cacheableYES:Forced
x-cacheproxy-retries0/2
x-content-type-optionsnosniff
x-fawn-proc-count1,0,24
x-php-version7.4
x-xss-protection1; mode=block
x-backendvarnish_ssl
strict-transport-securitymax-age=31536000; includeSubDomains
last-modifiedSat, 26 Jul 2025 01:36:08 GMT
cf-cache-statusHIT
age7442
expiresTue, 26 Aug 2025 07:56:28 GMT
cache-controlpublic, max-age=2678400
servercloudflare
cf-ray96525736ff58d156-CDG
content-encodingbr
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 3 referring domains.
This page only has 26 backlinks.
This page only has few backlinks from 3 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-Agent: *
Disallow:

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rudolphresearch.de
Rudolph Research Analytical Germany
Rudolph Research Analytical Germany Dichtemessgerät, Refraktometer, Polarimeter, Saccarimeter, Alkoholmesser

Most important keywords

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

KeywordResultRecheck
Rudolph81%Check
Research81%Check
Rudolph Research81%Check
Rudolph Research Analytical76%Check
Rudolph Research Analytical Germany75%Check
Germany70%Check
Analytical68%Check
REFRAKTOMETER48%Check
POLARIMETER48%Check
DICHTEMESSGERÄT46%Check
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