Gnt-verlag.de - SEO Checker

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Overview of the SEO Check
Meta information
99% 
Page quality
72% 
Page structure
79% 
Link structure
78% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.10 s
File size
32.60 kB
Words
2099
Media files
37
Number of links
74 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Verlagsprogramm GNT-Verlag
The length of the page title is perfect. (272 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Verlagsprogramm GNT-Verlag
The length of the meta description is perfect. (272 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: de
Language defined in HTML: en
Language defined in meta tags: de
Server location: United States of America
There are different language information within the page markup.
The following language is defined by HTML: de
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 markup is not in the first line of your HTML document. There must be no white spaces before the doctype markup.
The doctype XHTML 1.0 Transitional is set correctly.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
descriptionVerlagsprogramm GNT-Verlag
revisit-after14 days
robotsindex,follow
languagede
copyrightGNT-Verlag GmbH, Diepholz, Germany
publisherGNT-Verlag GmbH – Verlag für Geschichte der Naturwissenschaften und der Technik
companyGNT-Verlag GmbH, Diepholz, Germany
DateReleased29.03.2017
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 2099 words. That's ok.
32.5% of the text are stop words.
46 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 15.26 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 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The amount of tags is very high (72). We recommend using a maximum of 42 tags for this page.
The following tag is repeated too often: andreas deutsch
Some tags are too long. With 158 characters this one is longer than 70 characters:
"die farm-hall-protokolle erstmals vollständig, ergänzt um zeitgenössische briefe und weitere dokumente..."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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/top-linkbar.giflinkbar
/images/bottom-linkbar.giflinkbar
/images/icons/icon-instagram.svgInstagram IconInstagram
/images/icons/icon-twitter.svgTwitter IconTwitter
/images/products/1133sm.jpg (2024) (2024)
/images/products/1142sm.png (2023) (2023)
/images/products/1111sm.jpg (2023) (2023)
/images/products/1143sm.png (2023) (2023)
/images/products/1134sm.jpg (2024) (2024)
/images/spalten_horiz.gif(Trennlinie)
/images/LiC-Logo-black.svgLives in Chemistry&mbsp;Lebenswerke in der Chemie (Logo)
/images/products/1132sm.jpg (2023) (2023)
/images/products/1131sm.jpg (2023) (2023)
/images/products/1130sm.jpg (2023) (2023)
/images/products/1129sm.jpg (2022) (2022)
/images/products/1128sm.jpg (2022) (2022)
/images/products/1127sm.jpg (2021) (2021)
/images/products/1126sm.jpg (2021) (2021)
/images/products/1125sm.jpg (2021) (2021)
/images/spalten_horiz.gif(Trennlinie)
/images/products/1141sm.png (2023) (2023)
/images/products/1140sm.jpg (2022) (2022)
/images/products/1124sm.jpg (2021) (2021)
/images/products/1123sm.jpg (2020) (2020)
/images/products/1119sm.jpg (2020) (2020)
/images/products/1120sm.jpg (2020) (2020)
/images/products/1121sm.jpg (2019) (2019)
/images/products/1116sm.jpg (2019) (2019)
/images/products/1118sm.png (2019) (2019)
/images/products/1122sm.jpg (2020) (2020)
/images/products/1109sm.jpg (2019) (2019)
/images/products/1115sm.jpg (2018) (2018)
/images/products/1113sm.jpg (2018) (2018)
/images/products/1112sm.png (2018) (2018)
/images/top-footer.giflinkbar
/images/icon-print.gifDruckversion
/images/bottom-footer.giflinkbar

Page structure

H1 heading
(Critically important)
Verlagsprogramm
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (15 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Verlagsprogramm
H2 Soeben erschienen
H2 Weitere Neuerscheinungen
H2 In Vorbereitung
H2 Aus dem Verlagsprogramm
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
There are 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.gnt-verlag.de/Verlagsprogramm
/wissenschaftsgeschichte.htmlWissenschaftsgeschichte
/technikgeschichte.htmlTechnikgeschichte
/mathematikgeschichte.htmlMathematikgeschichte
/medizingeschichte.htmlMedizingeschichte
/querverweise.htmlEditionen + Reihen
/topics.htmlSachgebiete
/ebooks.htmlE-Books
/suche.htmlSuche
/service.htmlService
/warenkorb.htmlWarenkorb
/kontakt.htmlKontakt
https://www.instagram.com/hist...New window External Subdomain IMG-ALT Instagram Icon
https://twitter.com/gntpubNew window External IMG-ALT Twitter Icon
/larry-e-overman-autobiography...IMG-ALT (2024) (2024)
/larry-e-overman-autobiography...Designing Synthetic Methods and Natural Products Synthesis
/nathanael-pringsheim-urformen...IMG-ALT (2023) (2023)
/nathanael-pringsheim-urformen...Urformen der Sexualität
/nathanael-pringsheim-urformen...Subdomain Alle Buchbesprechungen
/operation-epsilon-farm-hall-p...Text duplicate IMG-ALT (2023) (2023)
/operation-epsilon-farm-hall-p...Operation Epsilon
/nathanael-pringsheim-archetyp...Text duplicate IMG-ALT (2023) (2023)
/nathanael-pringsheim-archetyp...Archetypes of Sex
/hubert-schmidbaur-autobiograp...Text duplicate IMG-ALT (2024) (2024)
/hubert-schmidbaur-autobiograp...From Chemical Craftsmanship to the Art of Gilding Atoms
https://l-i-c.org/New window External l-i-c.org
/horst-kessler-nmr-autobiograp...Text duplicate IMG-ALT (2023) (2023)
/horst-kessler-nmr-autobiograp...NMR: Mein Kompass in der Organischen und Medizinischen Chemie
/gerhard-ertl-autobiography-ex...Text duplicate IMG-ALT (2023) (2023)
/gerhard-ertl-autobiography-ex...My Life with Science
/gerhard-ertl-autobiografie-2-...German language autobiography
/franz-effenberger-autobiograp...Text duplicate IMG-ALT (2023) (2023)
/franz-effenberger-autobiograp...Von Aromaten und Heterocyclen zur Bio- und Nanotechnologie
/stephen-kent-autobiographie-2...IMG-ALT (2022) (2022)
/stephen-kent-autobiographie-2...Inventing Synthetic Methods to Discover How Enzymes Work
/oesterhelt-grote-autobiograph...Text duplicate IMG-ALT (2022) (2022)
/oesterhelt-grote-autobiograph...Leben mit Licht und Farbe: Ein biochemisches Gespräch
/henri-brunner-autobiographie-...IMG-ALT (2021) (2021)
/henri-brunner-autobiographie-...Bild und Spiegelbild: Kleiner Unterschied – große Auswirkungen
/gerhard-ertl-autobiografie-2-...Text duplicate IMG-ALT (2021) (2021)
/gerhard-ertl-autobiografie-2-...Mein Leben mit der Wissenschaft
/gerhard-ertl-autobiography-ex...Extended English edition
/guenther-maier-autobiographie...Text duplicate IMG-ALT (2021) (2021)
/guenther-maier-autobiographie...Das war’s – Erinnerungen eines Doktorvaters
/chemie-lmu-muenchen-2-1141.htmlText duplicate IMG-ALT (2023) (2023)
/chemie-lmu-muenchen-2-1141.htmlDie Geschichte der Chemie an der Ludwig-Maximilians-Universität München
/experimentalchemie-universita...Text duplicate IMG-ALT (2022) (2022)
/experimentalchemie-universita...Die Experimentalchemie und ihre Protagonisten an der Universität Halle
/physik-in-jena-2-1124.htmlText duplicate IMG-ALT (2021) (2021)
/physik-in-jena-2-1124.htmlKommunikationsraum Stadt – Historische Stätten der Physik in Jena
/hans-jensen-physiker-nobelpre...IMG-ALT (2020) (2020)
/hans-jensen-physiker-nobelpre...Hans Jensen, Physiker und Nobelpreisträger
/gustav-magnus-haus-berlin-2-1...Text duplicate IMG-ALT (2020) (2020)
/gustav-magnus-haus-berlin-2-1...Gustav Magnus und sein Haus
/lebenswerk-welterbe-2-1120.htmlText duplicate IMG-ALT (2020) (2020)
/lebenswerk-welterbe-2-1120.htmlLebenswerk Welterbe
/geschichte-der-rettung-2-1121...IMG-ALT (2019) (2019)
/geschichte-der-rettung-2-1121...Geschichte der Rettung
/stuttgarter-fernsehturm-2-111...Text duplicate IMG-ALT (2019) (2019)
/stuttgarter-fernsehturm-2-111...Die Entstehung des Stuttgarter Fernsehturms
/berliner-blau-2-1118.htmlText duplicate IMG-ALT (2019) (2019)
/berliner-blau-2-1118.htmlBerliner Blau
/berliner-blau-2-1118-links.htmlSubdomain Berliner Blau – Die wundersame Geschichte einer Farbe
/geschichte-und-praxis-von-for...Text duplicate IMG-ALT (2020) (2020)
/geschichte-und-praxis-von-for...Geschichte und Praxis von Forschungstechnologien an den Beispielen Faserverbundtechnologie, Thermographie, Elektronenmikroskopie und Lasertechnologie
/laserforschung-in-deutschland...Text duplicate IMG-ALT (2019) (2019)
/laserforschung-in-deutschland...Laserforschung in Deutschland 1960–1970
https://web.archive.org/web/20...New window External Subdomain 27.07.2019 Podcast: MDR KULTUR trifft Helmuth Albrecht
/heisenberg-hitler-und-die-bom...IMG-ALT (2018) (2018)
/heisenberg-hitler-und-die-bom...Heisenberg, Hitler und die Bombe
/otto-hahn-radiochemie-fleiss-...Text duplicate IMG-ALT (2018) (2018)
/otto-hahn-radiochemie-fleiss-...Radiochemie, Fleiß und Intuition
/pub/1113/False-statement-in-t...New window Ruth Sime: False statement in the book
/atmospheric-chemistry-and-ear...Text duplicate IMG-ALT (2018) (2018)
/atmospheric-chemistry-and-ear...From Atmospheric Chemistry to Earth System Science
/?STYLE=printNew window IMG-ALT Druckversion
A-TITLE Druckversion
/impressum.htmlImpressum
/datenschutz.htmlDatenschutzerklärung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.gnt-verlag.de/"
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 0.10 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (33 kB).

HTTP Response Header

NameValue
servernginx
dateTue, 21 May 2024 02:10:17 GMT
content-typetext/html; charset=UTF-8
content-length9940
x-powered-byPHP/8.2.19
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
set-cookie38 Characters
varyAccept-Encoding
content-encodinggzip
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 74 referring domains.
This page has 1,058 backlinks.
This page has backlinks from 66 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: /autoreninformationen.html
Disallow: /impressum.html
Disallow: /kontakt.html
Disallow: /verlagsanschrift.html
Disallow: /admin/
Disallow: /css/
Disallow: /include/
Disallow: /js/
Disallow: /programm/
Disallow: /templates/

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www.gnt-verlag.de
Verlagsprogramm GNT-Verlag
Verlagsprogramm GNT-Verlag

Most important keywords

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

KeywordResultRecheck
Verlagsprogramm77%Check
Verlagsprogramm GNT-Verlag71%Check
GNT-Verlag66%Check
Chemie41%Check
Chemistry41%Check
Lives41%Check
Lebenswerke41%Check
Chemistry Lebenswerke41%Check
im Dritten40%Check
Geschichte39%Check
Show more keywords and terms

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