Grayfieldoptical.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
71% 
Page structure
100% 
Link structure
60% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
104.70 kB
Words
5387
Media files
11
Number of links
124 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Grayfield Optical Inc - High Resolution Optical Microscopes
The length of the page title is perfect. (531 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
High resolution optical microscopes with enhanced depth of field, magnification and color contrast for living samples, without staining or oil-immersion needed.
The length of the meta description is perfect. (973 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-gb
Server location: United States of America
The following language is defined by HTML: en-gb
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
authorGrayfield Optical, Inc.
generatorIncomedia WebSite X5 Pro 2023.2.6 - www.websitex5.com
descriptionHigh resolution optical microscopes with enhanced depth of field, magnification and color contrast for living samples, without staining or oil-immersion needed.
viewportwidth=device-width, initial-scale=1
Resource-Typedocument
Distributionglobal
Robotsindex, follow
Revisit-After21 days
Ratinggeneral
msapplication-TileColor#ffffff
msapplication-TileImage/icons/ms-icon-144x144.png
theme-color#ffffff
langen-gb
og:localeen
og:typewebsite
og:urlhttps://www.grayfieldoptical.com/index.php
og:titleIntroduction
og:site_nameGrayfield Optical Inc - High Resolution Optical Microscopes
ExpiresEmpty
charsetutf-8

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Page quality

Content
(Critically important)
The content of this page is too large (5387 words). Maybe the content could be divided into several pages.
These Typos were found:
  • severly => severely
43.7% 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.
57 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 24.12 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
The following tag is repeated too often: kurt olbrich
Some tags are too long. With 317 characters this one is longer than 70 characters:
"with great sorrow, we are sad to announce that the inventor of the ergonom series of microscopes, kurt..."
Image SEO
(Somewhat important)
2 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
/images/Germany.pngDeutschsprachige WebsiteGerman Language Website
...ges/jjpygc7rn7sl1h32e229db2873dka3dr.jpgNo alt attribute provided
/images/DSCN0086.jpgDiedKurt Olbrich
/images/testchip3.png100nm True Optical Resolution possible
/images/screw.pngUp to 40-80x more depth of field, optically
/images/carpet.pngCarpet fiber
/images/blood.pngLive Blood analysis through the Ergonom microscope
/images/cell.pngCell division shown on the Ergonom microscope
/images/facebook-icon-032.pngFacebook Facebook
/images/facebook.gifFacebookFacebook
/images/youtube-icon-032.pngNo alt attribute providedYouTube

Page structure

H1 heading
(Critically important)
Grayfield Optical Inc - High Resolution Optical Microscopes
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Grayfield Optical Inc - High Resolution Optical Microscopes
Some anchor texts are used more than once.
1 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 10 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.phpIntroduction
/description.phpDescription
/depth-of-field-focus.phpDepth of Field/Focus
/resolution.phpResolution
/fluorescence-tagging.phpFluorescence Tagging
/faq.phpFAQ
/richardson-test-slide.phpRichardson Test Slide
/german-test-slide-ptb.phpGerman Test Slide
/ptb-seenano-lab.phpPTB - SeeNano Lab
/diatom.phpDiatom
/history.phpHistory
/references.phpReferences
/light-microscope.phpLight Microscope
/fluorescence.phpFluorescence
/darkfield.phpDarkfield
/phase-contrast.phpPhase Contrast
/dif.phpDIF
/confocal-microscope.phpConfocal Microscope
/sem.phpSEM
/challenge-us-.phpChallenge Us!
/important-info.htmlImportant Info
/seenano-pro.phpSeeNano Pro
/seenano-lab.phpSeeNano Lab
/seenano-in-comparison.phpSeeNano in Comparison
/nano-positioning-system.phpNano Positioning System
/examples-1.phpExamples 1
/examples-2.phpExamples 2
/medical.phpMedical
/electronics.phpElectronics
/plastics.phpPlastics
/scientific-papers.phpScientific Papers
/seenano-lab-1.phpText duplicate SeeNano Lab
/blood-sample.phpBlood Sample
/online-videos.phpOnline Videos
/introduction.phpText duplicate Introduction
/ergonom-500.phpErgonom 500
/a-visit-to-kurt-olbrich.phpA Visit to Kurt Olbrich
/humoral-pathology.phpHumoral Pathology
/symbiosis-or-parasitism.phpSymbiosis or Parasitism
/legionella-in-vitro.phpLegionella in vitro
/living-blood.phpLiving Blood
/microscience2004.phpMicroScience2004
/hd-dvd-analysis-images.phpHD-DVD - Images
/hd-dvd-analysis-video.phpHD-DVD - Video
/about-us.phpAbout Us
/contact.phpContact
/privacy.phpPrivacy
https://grayfieldoptical.de/External IMG-ALT Deutschsprachige Website
/index.phpNo Text
/index.phpText duplicate Introduction
/description.phpText duplicate Description
/depth-of-field-focus.phpText duplicate Depth of Field/Focus
/resolution.phpText duplicate Resolution
/fluorescence-tagging.phpText duplicate Fluorescence Tagging
/faq.phpText duplicate FAQ
/richardson-test-slide.phpText duplicate Richardson Test Slide
/german-test-slide-ptb.phpText duplicate German Test Slide
/ptb-seenano-lab.phpText duplicate PTB - SeeNano Lab
/diatom.phpText duplicate Diatom
/history.phpText duplicate History
/references.phpText duplicate References
/light-microscope.phpText duplicate Light Microscope
/fluorescence.phpText duplicate Fluorescence
/darkfield.phpText duplicate Darkfield
/phase-contrast.phpText duplicate Phase Contrast
/dif.phpText duplicate DIF
/confocal-microscope.phpText duplicate Confocal Microscope
/sem.phpText duplicate SEM
/challenge-us-.phpText duplicate Challenge Us!
/important-info.htmlText duplicate Important Info
/seenano-pro.phpText duplicate SeeNano Pro
/seenano-lab.phpText duplicate SeeNano Lab
/seenano-in-comparison.phpText duplicate SeeNano in Comparison
/nano-positioning-system.phpText duplicate Nano Positioning System
/examples-1.phpText duplicate Examples 1
/examples-2.phpText duplicate Examples 2
/medical.phpText duplicate Medical
/electronics.phpText duplicate Electronics
/plastics.phpText duplicate Plastics
/scientific-papers.phpText duplicate Scientific Papers
/seenano-lab-1.phpText duplicate SeeNano Lab
/blood-sample.phpText duplicate Blood Sample
/online-videos.phpText duplicate Online Videos
/introduction.phpText duplicate Introduction
/ergonom-500.phpText duplicate Ergonom 500
/a-visit-to-kurt-olbrich.phpText duplicate A Visit to Kurt Olbrich
/humoral-pathology.phpText duplicate Humoral Pathology
/symbiosis-or-parasitism.phpText duplicate Symbiosis or Parasitism
/legionella-in-vitro.phpText duplicate Legionella in vitro
/living-blood.phpText duplicate Living Blood
/microscience2004.phpText duplicate MicroScience2004
/hd-dvd-analysis-images.phpText duplicate HD-DVD - Images
/hd-dvd-analysis-video.phpText duplicate HD-DVD - Video
/about-us.phpText duplicate About Us
/contact.phpText duplicate Contact
/privacy.phpText duplicate Privacy
https://grayfieldoptical.com/Anchor Go to content
A-TITLE Skip the main menu
/files/DSCN0086.JPGIMG-ALT Died
https://grayfieldoptical.com/Anchor English
https://grayfieldoptical.com/Anchor Deutsch
https://en.wikipedia.org/wiki/...New window External Subdomain existing optical theory
/online-videos.phpin several videos being released from 1991
/legionella-in-vitro.phpBy examining the effects of the medication under the microscope,
/files/confocal1552.jpgSubdomain challenging Kurt to get a better image
/files/ergonom_no_dof.jpgSubdomain an image that had normal depth of field
/files/ergonom-dof.jpgSubdomain with full depth-of-field
/confocal-microscope.phpYou can see them here; we are just not giving the name of the company involved....
/examples-1.phpAIDS
/examples-2.phpcancer research
/history.phpYou can learn more about Kurt Olbrich's microscopes on our history page.
https://de.wikipedia.org/wiki/...New window External Subdomain bestehende optische Theorie
/online-videos.phpab 1991 mehrere Videos veröffentlichte
/legionella-in-vitro.phpAuswirkungen der Medikamente unter dem Mikroskop untersuchte,
/files/confocal1552.jpgSubdomain ein besseres Bild zu machen
/files/ergonom_no_dof.jpgSubdomain ein Bild zurück, das eine normale Schärfentiefe hatte
/files/ergonom-dof.jpgSubdomain ein weiteres mit voller Tiefenschärfe
/confocal-microscope.phpSie können sie hier sehen
/examples-1.phpAIDS-
/examples-2.phpKrebsforschung
/history.phpMehr über die Mikroskope von Kurt Olbrich erfahren Sie auf unserer Historie-Seite.
/files/testchip3w.jpgIMG-ALT 100nm True Optical Resolution possible
/files/screww.pngIMG-ALT Up to 40-80x more depth of field, optically
/files/carpetw.pngIMG-ALT Carpet fiber
/files/bloodw.pngIMG-ALT Live Blood analysis through the Ergonom microscope
/files/cellw.pngIMG-ALT Cell division shown on the Ergonom microscope
https://grayfieldoptical.de/External URL anchor text
https://grayfieldoptical.de
/fluorescence-tagging.phpfluorescence capabilities
https://www.youtube.com/user/g...New window External Subdomain Yt
https://fb.me/grayfieldopticalNew window External Fb
https://www.addtoany.com/shareExternal Subdomain No Text
https://www.facebook.com/grayf...New window External Subdomain IMG-ALT Facebook
https://www.facebook.com/grayf...External Subdomain Text duplicate IMG-ALT Facebook
https://www.youtube.com/user/g...New window External Subdomain No Text
https://grayfieldoptical.com/Anchor Back to content
A-TITLE Read this page again

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://grayfieldoptical.com/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.12 seconds.
The file size of the HTML document is fine (105 kB).

HTTP Response Header

NameValue
servernginx
dateFri, 21 Jun 2024 03:11:27 GMT
content-typetext/html; charset=UTF-8
content-length24949
x-powered-byPHP/7.4.16
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=15768000; includeSubDomains
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 84 referring domains.
This page has 1,467 backlinks.
This page has backlinks from 75 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /admin
Disallow: /captcha
Disallow: /menu
Disallow: /imemail
Disallow: /pcss
Disallow: /res
Disallow: /style

Sitemap: https://www.grayfieldoptical.com/sitemap.xml

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Search preview

grayfieldoptical.com
Grayfield Optical Inc - High Resolution Optical Microscopes
High resolution optical microscopes with enhanced depth of field, magnification and color contrast for living samples, without staining or oil-immersion needed.

Most important keywords

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

KeywordResultRecheck
Optical91%Check
Field91%Check
Optical Resolution86%Check
Grayfield Optical85%Check
Optical Microscopes85%Check
High Resolution Optical Microscopes81%Check
Resolution80%Check
Microscope79%Check
High Resolution79%Check
Grayfield78%Check
Show more keywords and terms

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