Sigmaaldrich.com - SEO Checker

Overview of the SEO Check
Meta information
63% 
Page quality
44% 
Page structure
70% 
Link structure
25% 
Server
54% 
External factors
100% 
SEO Score
Response time
1.07 s
File size
1,214.50 kB
Words
394
Media files
29
Number of links
111 internal / 1 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Merck | Germany
The page title is too short. (153 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Gemeinsam bewirken wir Entscheidendes für Leben und Gesundheit durch Wissenschaft. Wir bieten eines der umfangreichsten Branchen-Portfolios für Wissenschaftler, erstklassige Produkte für die Entwicklung und Herstellung von Arzneimitteln sowie ein vollständig integriertes Serviceangebot für Auftragsentwicklung und -herstellung (CDMO) sowie Prüfdienstleistungen (Contract Testing) für konventionelle wie auch neue Modalitäten.
The meta description is too long: 2692 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.sigmaaldrich.com/DE/de
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: United States of America
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
An URL is specified multiple times in alternate links.
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, maximum-scale=5.0
app-versionnext-commerce@25fe1265
robotsindex,follow
googlebotindex,follow
descriptionGemeinsam bewirken wir Entscheidendes für Leben und Gesundheit durch Wissenschaft. Wir bieten eines der umfangreichsten Branchen-Portfolios für Wissenschaftler, erstklassige Produkte für die Entwicklung und Herstellung von Arzneimitteln sowie ein vollständig integriertes Serviceangebot für Auftragsentwicklung und -herstellung (CDMO) sowie Prüfdienstleistungen (Contract Testing) für konventionelle wie auch neue Modalitäten.
publishedDate2025-07-18T13:17:19.954Z
lastModifiedDate2025-07-18T13:17:14.068Z
og:titleMerck | Germany
og:typewebsite
og:imagehttps://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/images/social-media/vibrant-m/vibrant-m.jpg
og:urlhttps://www.sigmaaldrich.com/DE/de
og:descriptionGemeinsam bewirken wir Entscheidendes für Leben und Gesundheit durch Wissenschaft. Wir bieten eines der umfangreichsten Branchen-Portfolios für Wissenschaftler, erstklassige Produkte für die Entwicklung und Herstellung von Arzneimitteln sowie ein vollständig integriertes Serviceangebot für Auftragsentwicklung und -herstellung (CDMO) sowie Prüfdienstleistungen (Contract Testing) für konventionelle wie auch neue Modalitäten.
theme-color#503191
mobile-web-app-capableyes
keywordsEmpty
cq:pagemodel_routerdisable
langde
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
There are only 394 words on this page. Good pages should have about 800 words of useful content.
34% of the text are stop words.
5 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 15.6 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
The file size of the HTML document is very large (1214.5 kB).
A viewport "width=device-width, initial-scale=1.0, maximum-scale=5.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 8 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)
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
/static/logos/purple/merck.svgMerck
...217/hplc-supelco-mobile-hero-290x217.jpgA collection of High-Performance Liquid Chromatography (HPLC) columns displayed against a light teal background, featuring various sizes and designs, with the Supelco logo prominently featured in the lower right corner.
...rna-lnp-cdmo-mobile-hero-290x217-new.jpgA laboratory technician wearing blue gloves and a white lab coat, holding an object above their head. The background features laboratory equipment, and the Millipore logo is visible in the lower right corner.
...7/custom-seminar-mobile-hero-290x217.jpgPhotograph of 2 scientists wearing a white lab coat are talking
...hero-290x217/vvt-mobile-hero-290x217.jpgA modern laboratory scene featuring various bioprocessing equipment, including columns and bioreactors, alongside stylized representations of viral structures and DNA strands, all set against a light blue background.
...ffers-400x248/we-offers-400x248_w300.jpgTolle SparangeboteTolle Sparangebote
...ages/home/tiles/contact/contact_w300.pngWissenschaftler mit orangefarbener Schutzbrille und roten Handschuhen, der seine Brille abnimmtWissenschaftler
...ograms/certified-reference-materials.svgZertifizierte ReferenzmaterialienZertifizierte Referenzmaterialien
...gory/pictograms/microbial-filtration.svgMikrobiologische FiltrationMikrobiologische Filtration
...es/home/category/pictograms/solvents.svgLösungsmittelLösungsmittel
...y/pictograms/microbial-culture-media.svgMikrobiologische NährmedienMikrobiologische Nährmedien
...ory/pictograms/cell-separation-media.svgZellseparationsmedien für Forschung, Diagnostik und pharmazeutische AnwendungenZellseparationsmedien für Forschung, Diagnostik und pharmazeutische Anwendungen
...ry/pictograms/millex-syringe-filters.svgMillex<sup</sup>-SpritzenvorsatzfilterMillex<sup>®</sup>-Spritzenvorsatzfilter
...s/home/category/pictograms/glassware.svgGlaswarenGlaswaren
...y/pictograms/pathogen-screening-kits.svgKits, Geräte & Einwegprodukte für den ErregernachweisKits, Geräte & Einwegprodukte für den Erregernachweis
...egory/pictograms/amicon-centrifugals.svgAmicon<sup</sup> EinheitenAmicon<sup>®</sup> Einheiten
...ictograms/millipore-filter-membranes.svgMillipore<sup</sup>-MembranfilterMillipore<sup>®</sup>-Membranfilter
...egory/pictograms/milli-q-consumables.svgMilli-Q<sup</sup> Verbrauchsmaterialien für die LaborwasseraufbereitungMilli-Q<sup>®</sup> Verbrauchsmaterialien für die Laborwasseraufbereitung
...tograms/greener-alternative-products.svgUmweltverträglichere AlternativprodukteUmweltverträglichere Alternativprodukte
...darmstadt/ivd-seminar-darmstadt_w300.jpgSkyline of DarmstadtIVD Seminar Darmstadt
...des/oligos-qpcr-probes-peptides_w300.jpgOligos, qPCR-Sonden & PeptideOligos, qPCR-Sonden & Peptide
...s/chemistry-demo/chemistry-demo_w300.jpgChemical Synthesis Instrumentation HubChemical Synthesis Instrumentation Hub
...ng/medical-device-manufacturing_w300.jpgMedical Device ManufacturingMedical Device Manufacturing
...e-cell-tile/millipore-cell-tile_w300.jpgMillipore®Millipore<sup>®</sup>
...ell-tile/sigmaaldrich-cell-tile_w300.jpgSigma-Aldrich® Labor- & ProduktionsbedarfSigma-Aldrich® Labor- & Produktionsbedarf
...s/safc-cell-tile/safc-cell-tile_w300.jpgSAFCSAFC®-Rohstofflösungen für Pharma & Biopharma
...lco-cell-tile/supelco-cell-tile_w300.jpgSupelco®-Produkte für die AnalytikSupelco<sup>®</sup>-Produkte für die Analytik
...lliq-cell-tile/milliq-cell-tile_w300.jpgMilli-Q®Milli-Q®-Laborwasserlösungen
...cell-tile/bioreliance-cell-tile_w300.jpgBioReliance<sup</sup>BioReliance<sup>®</sup>-Prüfdienstleistungen

Page structure

H1 heading
(Critically important)
Willkommen bei Merck
The H1 heading contains the words Willkommen bei! Use important keywords instead.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Willkommen bei Merck
H2 Beliebteste Kategorien
H2 Unsere Marken entdecken
H2 Häufige Suchanfragen
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 1 external links on this page.
LinkAttributesAnchor text
/DE/deAnchor Direkt zum Inhalt
/DE/deIMG-ALT Merck
/DE/de/products/analytical-che...Analytische Chemie
/DE/de/products/cell-culture-a...Zellkultur & Analyse
/DE/de/products/chemistry-and-...Chemie und Biochemikalien
/DE/de/products/clinical-diagn...Klinische & Diagnostik
/DE/de/products/filtrationFiltrierung
/DE/de/products/chemistry-and-...Grünere alternative Produkte
/DE/de/products/industrial-mic...Industrielle Mikrobiologie
/DE/de/products/labwareLaborgeräte
/DE/de/products/materials-scienceWerkstoffkunde
/DE/de/products/molecular-biol...Molekularbiologie und funktionelle Genomik
/DE/de/integrated-offerings/mo...Entwicklung und Herstellung von mAbs
/DE/de/integrated-offerings/mr...mRNA-Entwicklung und -Herstellung
/DE/de/products/pharma-and-bio...Pharma- und Biopharma-Herstellung
/DE/de/products/protein-biologyProteinbiologie
/DE/de/products/water-purifica...Wasseraufbereitung
/DE/de/applications/analytical...Text duplicate Analytische Chemie
/DE/de/applications/cell-cultu...Text duplicate Zellkultur & Analyse
/DE/de/applications/chemistry-...Chemie und Synthese
/DE/de/applications/clinical-t...Text duplicate Klinische & Diagnostik
/DE/de/applications/environmen...Umwelt- und Cannabistests
/DE/de/applications/food-and-b...Prüfung und Herstellung von Lebensmitteln und Getränken
/DE/de/applications/genomicsGenomik
/DE/de/applications/materials-...Materialwissenschaft und -technik
/DE/de/applications/microbiolo...Mikrobiologische Tests
/DE/de/integrated-offerings/mo...Text duplicate Entwicklung und Herstellung von mAbs
/DE/de/integrated-offerings/mr...Text duplicate mRNA-Entwicklung und -Herstellung
/DE/de/applications/pharmaceut...Text duplicate Pharma- und Biopharma-Herstellung
/DE/de/applications/protein-bi...Text duplicate Proteinbiologie
/DE/de/applications/research-d...Forschung & Krankheitsgebiete
/DE/de/applications/water-puri...Text duplicate Wasseraufbereitung
/DE/de/services/contract-manuf...Auftragsfertigung
/DE/de/services/contract-testingVertragsprüfung
/DE/de/services/custom-productsKundenspezifische Produkte
/DE/de/services/software-and-d...Digitale Lösungen für Life Science
/DE/de/services/ivd-developmen...IVD-Entwicklung und -Herstellung
/DE/de/services/product-servicesProdukt Dienstleistungen
/DE/de/services/supportUnterstützung
/DE/de/documents-search?tab=sdsSicherheitsdatenblätter (SDS)
/DE/de/documents-search?tab=coaAnalysezertifikate (COA)
/DE/de/documents-search?tab=cooHerkunftsbescheinigungen (COO)
/DE/de/documents-search?tab=coqQualitätszertifikate (COQ)
/DE/de/support/customer-supportKundenbetreuung
/DE/de/collections/officesKontakt
/DE/de/life-science/ecommerce/...Site Smart werden
https://maestro.my.site.com/kn...New window Nofollow External Subdomain FAQ
/DE/de/life-science/quality-an...Qualität und Regulierung
/DE/de/support/calculators-and...Taschenrechner & Apps
/DE/de/collections/webinarsWebinare
/DE/de/products/analytical-che...Vollständiges Chromatographie-Sortiment Alles, was Sie brauchen – von A bis Z Jetzt entdecken
IMG-ALT A collection of High-Performance Liquid Chromatography (HPLC) columns displayed against a light teal background, featuring various sizes and designs, with th...
/DE/de/services/contract-manuf...mRNA & LNP lebendig zu machen erfordert Leidenschaft Wir setzen alles daran, Ihre Therapien für Patienten zu vereinfachen. Ich bin dabei
IMG-ALT A laboratory technician wearing blue gloves and a white lab coat, holding an object above their head. The background features laboratory equipment, and the M...
/DE/de/we-events/virtual-seminarFördern Sie die Expertise Ihres Laborteams mit maßgeschneiderten Weiterbildungsseminaren zu praxisrelevanten Themen in der Chemischen Synthese, Biologie, Ana...
IMG-ALT Photograph of 2 scientists wearing a white lab coat are talking
/DE/de/campaigns/viral-vector-...Wählen Sie die Überholspur Möglichkeiten in Chancen verwandeln White Paper herunterladen
IMG-ALT A modern laboratory scene featuring various bioprocessing equipment, including columns and bioreactors, alongside stylized representations of viral structure...
/DE/de/we-promotions?utm_sourc...IMG-ALT Tolle Sparangebote
/DE/de/we-promotions?utm_sourc...Werbe- und Rabattaktionen sowie Produktproben
/DE/de/we-promotions?utm_sourc...Mehr erfahren
/DE/de/support/customer-supportIMG-ALT Wissenschaftler mit orangefarbener Schutzbrille und roten Handschuhen, der seine Brille abnimmt
/DE/de/support/customer-supportBrauchen Sie Unterstützung?
/DE/de/support/customer-supportKundenservice kontaktieren
/DE/de/products/analytical-che...Zertifizierte Referenzmaterialien
IMG-ALT Zertifizierte Referenzmaterialien
/DE/de/products/industrial-mic...Mikrobiologische Filtration
IMG-ALT Mikrobiologische Filtration
/DE/de/products/analytical-che...Lösungsmittel
IMG-ALT Lösungsmittel
/DE/de/products/industrial-mic...Mikrobiologische Nährmedien
IMG-ALT Mikrobiologische Nährmedien
/DE/de/products/clinical-diagn...Zellseparationsmedien für Forschung, Diagnostik und pharmazeutische Anwendungen
IMG-ALT Zellseparationsmedien für Forschung, Diagnostik und pharmazeutische Anwendungen
/DE/de/products/filtration/lab...Millex®-Spritzenvorsatzfilter
IMG-ALT Millex<sup>®</sup>-Spritzenvorsatzfilter
/DE/de/products/labware/glasswareGlaswaren
IMG-ALT Glaswaren
/DE/de/products/industrial-mic...Kits, Geräte & Einwegprodukte für den Erregernachweis
IMG-ALT Kits, Geräte & Einwegprodukte für den Erregernachweis
/DE/de/products/protein-biolog...Amicon® Einheiten
IMG-ALT Amicon<sup>®</sup> Einheiten
/DE/de/products/filtration/lab...Millipore®-Membranfilter
IMG-ALT Millipore<sup>®</sup>-Membranfilter
/DE/de/products/water-purifica...Milli-Q® Verbrauchsmaterialien für die Laborwasseraufbereitung
IMG-ALT Milli-Q<sup>®</sup> Verbrauchsmaterialien für die Laborwasseraufbereitung
/DE/de/products/chemistry-and-...Umweltverträglichere Alternativprodukte
IMG-ALT Umweltverträglichere Alternativprodukte
/loginMelden Sie sich an
/DE/de/we-events/ivd-seminar-d...IMG-ALT Skyline of Darmstadt
/DE/de/we-events/ivd-seminar-d...IVD-Seminar Darmstadt: Neue Impulse für die Diagnostik!
/DE/de/we-events/ivd-seminar-d...Jetzt anmelden!
/CH/en/products/molecular-biol...IMG-ALT Oligos, qPCR-Sonden & Peptide
/CH/en/products/molecular-biol...Oligos, qPCR-Sonden & Peptide
/CH/en/products/molecular-biol...Text duplicate Mehr erfahren
/CH/en/we-campaigns/chemistry-...IMG-ALT Chemical Synthesis Instrumentation Hub
/CH/en/we-campaigns/chemistry-...Text duplicate Chemical Synthesis Instrumentation Hub
/CH/en/we-campaigns/chemistry-...Demo buchen
/DE/de/campaigns/medical-devic...IMG-ALT Medical Device Manufacturing
/DE/de/campaigns/medical-devic...Herstellung von Medizinprodukten
/DE/de/campaigns/medical-devic...Erfahren Sie mehr
/DE/de/life-science/milliporeIMG-ALT Millipore®
/DE/de/life-science/milliporeText duplicate Millipore®
/DE/de/life-science/sigma-aldrichIMG-ALT Sigma-Aldrich® Labor- & Produktionsbedarf
/DE/de/life-science/sigma-aldrichSigma-Aldrich ®
/DE/de/life-science/safcIMG-ALT SAFC
/DE/de/life-science/safcSAFC®
/DE/de/life-science/supelcoIMG-ALT Supelco®-Produkte für die Analytik
/DE/de/life-science/supelcoSupelco®
/DE/de/life-science/milliqIMG-ALT Milli-Q®
/DE/de/life-science/milliqText duplicate Milli-Q®
/DE/de/life-science/biorelianceIMG-ALT BioReliance<sup>®</sup>
/DE/de/life-science/biorelianceBioReliance®
/search/ethanol?focus=products...Ethanol
/search/dimethyl-sulfoxide?foc...Dimethylsulfoxid
/search/methanol?focus=product...Methanol
/search/acetone?focus=products...Aceton
/search/sodium-hydroxide?focus...Natriumhydroxid
/search/acetic-acid?focus=prod...Essigsäure
/search/hydrochloric-acid?focu...Salzsäure
/search/ethyl-acetate?focus=pr...Ethylacetat
/search/sodium-chloride?focus=...Natriumchlorid
/search/acetonitrile?focus=pro...Acetonitril
/search/toluene?focus=products...Toluol
/search/dichloromethane?focus=...Dichlormethan
/search/sulfuric-acid?focus=pr...Schwefelsäure
/search/water?focus=products&p...Wasser
/search/hexane?focus=products&...Hexan

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.sigmaaldrich.com/DE/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)
The page response time is slow (1.07 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is very large (1,215 kB).

HTTP Response Header

NameValue
serveropenresty
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access-control-allow-origin*
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content-encodinggzip
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content-security-policyframe-ancestors 'self' https://app.optimizely.com
cache-controlprivate, no-cache, no-store, must-revalidate
dateThu, 31 Jul 2025 17:48:20 GMT
varyAccept-Encoding
set-cookie81 Characters
x-origin-datacenterEPC
strict-transport-securitymax-age=31536000 ; includeSubDomains ; preload
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http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 44 referring domains.
This page has 240 backlinks.
This page has backlinks from 39 different ip addresses.

Robots.txt

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Disallow: /*/login?redirect
Disallow: /api
Disallow: */jcr:content/
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/life-science/assistant

# APAC Bots
# China
User-Agent: Baiduspider
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: /api
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

User-agent: Sosospider
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

User-agent: Sogou spider
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

User-agent: Sogou+spider
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

User-agent: YoudaoBot
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

# Naverbot - Korea
User-agent: Yeti
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

# Daum
User-agent: DAUM
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search?focus=
Disallow: /*/search/?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

# Yandex
# Added gc fb sid id redirect param clean 12/13/2021
User-agent: YandexBot
Allow: /
Disallow: /*/semi-configurators/sirna?term=
Disallow: /*/semi-configurators/shrna?term=
Disallow: */jcr:content/
Disallow: login?redirect
Disallow: /*/login?redirect
Disallow: /api
Disallow: /*/search/?focus=
Disallow: /*/search?focus=
Disallow: /*/product/compare?
Disallow: /*/product/compare-
Disallow: /*/orders
Disallow: /*undefined/undefined
Disallow: /*/*/life-science/quality-and-regulatory-management/m-clarity-program
Disallow: /*/*/services/support/bulk-quotation-request
Disallow: /*/*/coa/
Disallow: /certificates/Graphics/COfAInfo/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/
Disallow: /certificates/sapfs/PROD/sap/certificate_pdfs/COA/Q14/
Disallow: /*/*/life-science/assistant

Clean-param: redirect /*/login
Clean-param: gc /*
Clean-param: fb /*
Clean-param: redirect /*
Clean-param: sid /*
Clean-param: id /*

# Added 11-03-2022
User-agent: PetalBot
Disallow: /

User-agent: ConveraCrawler
Disallow: /

User-agent: DotBot
Disallow: /

User-agent: ingenieur
Disallow: /

User-agent: Mail.Ru
Disallow: /

User-agent: JikeSpider
Disallow: /

User-agent: EasouSpider
Disallow: /

User-agent: YisouSpider
Disallow: /

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www.sigmaaldrich.com
Merck | Germany
Gemeinsam bewirken wir Entscheidendes für Leben und Gesundheit durch Wissenschaft. Wir bieten eines der umfangreichsten Branchen-Portfolios für Wissenschaftler, erstklassige Produkte für die Entwicklung und Herstellung von Arzneimitteln sowie ein vollständig integriertes Serviceangebot für Auftragsentwicklung und -herstellung (CDMO) sowie Prüfdienstleistungen (Contract Testing) für konventionelle wie auch neue Modalitäten.

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