Cem.com - SEO Checker

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Overview of the SEO Check
Meta information
50% 
Page quality
77% 
Page structure
58% 
Link structure
31% 
Server
66% 
External factors
30% 
SEO Score
Response time
0.61 s
File size
103.40 kB
Words
772
Media files
29
Number of links
141 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CEM Corporation
The page title is too short. (157 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
CEM is the leading provider of microwave instrumentation for analytical and synthetic chemistry applications. Major application areas include acid digestion for elemental analysis, compositional testing of food products, peptide synthesis, and chemical synthesis.
The meta description is too long: 1606 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
http://cem.com/de/cem-home-1
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: de
Server location: United States of America
The given language de does not conform with the detected language en.
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)
There should not be dynamic parameters 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
titleCEM Corporation
descriptionCEM is the leading provider of microwave instrumentation for analytical and synthetic chemistry applications. Major application areas include acid digestion for elemental analysis, compositional testing of food products, peptide synthesis, and chemical synthesis.
keywordsCEM, Microwave, France, CEM μWaves S.A.S., Germany, CEM GmbH, Ireland, CEM Microwave Technology (Ireland) Ltd., Italy, CEM SRL, Japan, CEM Japan K.K., United Kingdom, CEM Microwave Technology Ltd.
robotsINDEX,FOLLOW
viewportwidth=device-width, initial-scale=1
format-detectiontelephone=no
langde
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 772 words. That's ok.
23.6% of the text are stop words.
The page contains a listing, which indicates a good text layout.
13 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 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
This page only loads 3 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 15 tags for this page.
Image SEO
(Somewhat important)
26 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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...end/CEM/2021/de_DE/images/logo_large.gifNo alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Wissenschaftliche Lösungen für alltägliche Herausforderungen
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Application Note Sample Preparation and Analysis of Materials in Lithium-Ion Battery Production Using Sequential Microwave DigestionApplication Note Sample Preparation and Analysis of Materials in Lithium-Ion Battery Production Using Sequential Microwave Digestion
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided
data:[...] Base64Peptide Palmitoylation ProcedurePeptide Palmitoylation Procedure
data:[...] Base64No alt attribute provided
...content/list-pages/ash-analysis-icon.jpgNo alt attribute provided
...content/list-pages/fat-analysis-icon.jpgNo alt attribute provided
...r/content/list-pages/hydrolysis-icon.jpgNo alt attribute provided
...ist-pages/microwave-digestion-icon_1.jpgNo alt attribute provided
.../list-pages/microwave-synthesis-icon.jpgNo alt attribute provided
...es/moisture-and-solids-analysis-icon.jpgNo alt attribute provided
...nt/list-pages/peptide-synthesis-icon.jpgNo alt attribute provided
...nt/list-pages/pfas-extraction-icon_1.jpgNo alt attribute provided
...ent/list-pages/protein-analysis-icon.jpgNo alt attribute provided
...t/list-pages/solvent-extraction-icon.jpgNo alt attribute provided
...t/list-pages/sulphated-ashing-icon_1.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 53 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Product Categories
H2 Angewandte Märkte
H2 Biowissenschaften
H2 Zusammensetzung Analyse
H2 Veraschung
H2 Fett
H2 Feuchtigkeit & Feststoffe
H2 Protein
H2 Produkte Branchen
H2 Mikrowellentrocknung
H2 Hydrolyse
H2 Mikrowellen-Aufschluss
H2 Produkte Branchen Duplicate text
H2 PFAS-Extraktion
H2 Lösungsmittelextraktion
H2 Produkte Branchen Duplicate text
H2 Sintesi assistita da microonde
H2 Omics
H2 Peptidsynthese
H2 Peptid-Synthesizer
H2 SPPS-Reagenzien
H2 GMP-Peptide
H2 Peptidreinigung
H2 Peptidspaltung
H2 Literatur
H2 Videos
H2 Support
H3 Im Spotlight
H3 Reduzierung von Abfallstoffen um 95%.
H3 Produkte nach Anwendung
H4 Efficient PFAS Sample Prep following EPA 1633
H4 Extraction of 40 PFAS Compounds from Soil and Tissue Following EPA Method 1633
H4 Sample Preparation and Analysis of Cosmetics Using Sequential Microwave Digestion
H4 Sample Preparation and Analysis of Materials used in Lithium Ion Battery Production Using Sequential Microwave Digestion
H4 Using Elevated Temperatures to Enable the Purification of Hydrophobic and Difficult Peptides
H4 Synthetic Peptide Libraries Webinar
H4 Sulfated Ash of Various Sweeteners and Syrups
H4 Tips and Tricks for Optimizing Sample Preparation and Analysis of Lithium-Ion Battery Components
H4 Scaling Up Microwave-assisted Solid Phase Peptide Synthesis (SPPS) — From Micromole to Hundreds of Millimoles
H4 Alternative Methods for Alternative Proteins
H4 Peptide Palmitoylation Procedure
H4 Clean Water Act Methods Update Rule for the Analysis of Effluent Expands the Use of Microwave Digestion
H5 Veraschung Duplicate text
H5 Fett Analyse
H5 Hydrolyse Duplicate text
H5 Mikrowellen-Aufschluss Duplicate text
H5 Sintesi assistita da microonde Duplicate text
H5 Feuchtigkeit & Feststoffe Duplicate text
H5 Peptidsynthese Duplicate text
H5 PFAS-Extraktion Duplicate text
H5 Protein Analyse
H5 Lösungsmittel Extraktion
H5 Sulfatveraschung
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.
1 links don't have an anchor text.
The number of internal links is ok.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
/de/privacy-policy-cookie-rest...Erfahren Sie mehr
http://cem.com/de/No Text
http://cem.com/de/ash-analysis/Veraschung
http://cem.com/de/sam-255/Trocknung
http://cem.com/de/fat-analysis/Fett
http://cem.com/de/hydrolysis/Hydrolyse
http://cem.com/de/insitupro/Molekularpathologie
/de/microwave-digestion/Mikrowellen-Aufschluss
/de/microwave-synthesis/Sintesi assistita da microonde
/de/moisture-solids-analysis/Feuchtigkeit & Feststoffe
/de/peptide-synthesis/Peptidsynthese
/de/pfas-extraction/PFAS-Extraktion
http://cem.com/de/prodigy/Preparative HPLC
/de/protein-analysis/Protein Analysis
http://cem.com/de/digestpro/Protein Digestion
/de/solvent-extraction/Lösungsmittelextraktion
/de?___store=de&___from_store=enAnchor chevron_right Zusammensetzung Analyse
/de?___store=de&___from_store=enAnchor chevron_right Hydrolyse
/de?___store=de&___from_store=enAnchor chevron_right Mikrowellen-Aufschluss
/de?___store=de&___from_store=enAnchor chevron_right Mikrowellentrocknung
/de?___store=de&___from_store=enAnchor chevron_right PFAS-Extraktion
/de?___store=de&___from_store=enAnchor chevron_right Lösungsmittelextraktion
/de?___store=de&___from_store=enAnchor chevron_right Sintesi assistita da microonde
/de?___store=de&___from_store=enAnchor chevron_right Peptidsynthese
/de?___store=de&___from_store=enAnchor chevron_right Omics
/de/compositional-analysis/Zusammensetzung Analyse
http://cem.com/de/ash-analysis/Text duplicate Veraschung
http://cem.com/de/phoenix-black/Phoenix BLACK
/de/phoenix-black-sulfated-ash/Phoenix BLACK Sulfated Ash
http://cem.com/de/crucible/Quartz Fiber Crucibles
http://cem.com/de/fat-analysis/Text duplicate Fett
http://cem.com/de/oracle/ORACLE
http://cem.com/de/profat/ProFat
/de/moisture-solids-analysis/Text duplicate Feuchtigkeit & Feststoffe
http://cem.com/de/smart-6/SMART 6
http://cem.com/de/smart-q/SMART Q
/de/protein-analysis/Protein
http://cem.com/de/sprint/Sprint
http://cem.com/de/profat/Text duplicate ProFat
http://cem.com/de/animal-feeds/Tierfuttermittel
http://cem.com/de/chemical/Chemische
/de/compositional-analysis-dai...Milchprodukte
/de/compositional-analysis-mea...Fleisch & Geflügel
/de/compositional-analysis-pro...Verarbeitete Lebensmittel
http://cem.com/de/wastewater/Acque reflue
http://cem.com/de/sam-255/SAM 255
http://cem.com/de/hydrolysis/Text duplicate Hydrolyse
/de/discover-prep-hydrolysis/Discover Prep Hydrolysis
/de/mars-6-hydrolysis/MARS 6 Hydrolysis
/de/microwave-digestion/Text duplicate Mikrowellen-Aufschluss
http://cem.com/de/blade/BLADE
http://cem.com/de/mars-6/MARS 6
/de/discover-sp-d-clinical/Discover SP-D Clinical
http://cem.com/de/mars-1/MARS 1
http://cem.com/de/mars-2/MARS 2
http://cem.com/de/cannabis/Cannabis
/de/pfas-extraction/Text duplicate PFAS-Extraktion
http://cem.com/de/edge-pfas/EDGE PFAS
http://cem.com/de/mars-6-pfas/MARS 6 PFAS
/de/solvent-extraction/Text duplicate Lösungsmittelextraktion
http://cem.com/de/edge/EDGE
/de/mars-6-extraction/MARS 6 Extraction
/de/discover-prep-extraction/Discover Prep Extraction
http://cem.com/de/cannabis/Text duplicate Cannabis
/de/microwave-synthesis/Text duplicate Sintesi assistita da microonde
http://cem.com/de/discover-2/Discover 2.0
/de/mars-6-synthesis/MARS 6 Synthesis
http://cem.com/de/discover/Discover
http://cem.com/de/digestpro/DigestPro
http://cem.com/de/insitupro/InsituPro
/de/peptide-synthesis/Text duplicate Peptidsynthese
http://cem.com/de/discover-spps/Discover SPPS
http://cem.com/de/liberty-lite-2/Liberty Lite 2.0
http://cem.com/de/liberty-blue-2/Liberty Blue 2.0
/de/liberty-prime-2/Liberty PRIME 2.0
http://cem.com/de/liberty-pro/Liberty PRO
http://cem.com/de/multipep1/MultiPep 1
http://cem.com/de/multipep2/MultiPep 2
http://cem.com/de/spps-chemicals/SPPS-Reagenzien
/de/fmoc-amino-acids/Fmoc Amino Acids
http://cem.com/de/resins/SPPS Resins
http://cem.com/de/oxyma/Oxyma Pure
http://cem.com/de/tamisolve/Tamisolve
http://cem.com/de/gmp-peptides/GMP-Peptide
http://cem.com/de/prodigy/Prodigy
http://cem.com/de/razor/Razor
http://cem.com/de/cleavagepro/CleavagePro
http://cem.com/de/applications/Anwendungen
http://cem.com/de/brochures/Broschüren
/de/comparison-guides/Vergleichsleitfäden
/de/application-videos/Produkte
http://cem.com/de/series/Video-Serie
/de/on-demand-webinars/Webinar
/de/application-support/Text duplicate Anwendungen
http://cem.com/de/manuals/Handbücher
http://cem.com/de/parts/Ersatzteile
http://cem.com/de/sds/Sicherheitsdatenblätter (SDB)
http://cem.com/de/contact-us/Service
http://cem.com/de/software/Software
http://cem.com/de/events/Ereignisse
http://cem.com/de/company/Über Uns
http://cem.com/de/careers/Karriere
http://cem.com/de/contact-us/Kontakt
http://cem.com/de/philanthropy/Wohltätigkeit
/de/customer/account/Account
https://cem.com/de/checkout/Cart
http://cem.com/customer/account/account_circle
https://cem.com/de/checkout/shopping_cart
/de/ultra-efficient-solid-phas...Mehr erfahren
/de/efficient-pfas-sample-prep...On-Demand-Webinare Efficient PFAS Sample Prep following EPA 1633 Learn how PFAS analysis can be incorporated into your laboratory testing protocol following ...
/de/extraction-of-40-pfas-comp...Anwendungshinweise Extraction of 40 PFAS Compounds from Soil and Tissue Following EPA Method 1633 Per- and polyfluoroalkyl substances (PFAS) are a class of m...
/de/sample-preparation-and-ana...Anwendungshinweise Sample Preparation and Analysis of Cosmetics Using Sequential Microwave Digestion Elemental analysis of cosmetics is necessitated by both ...
/de/sample-preparation-and-ana...Anwendungshinweise Sample Preparation and Analysis of Materials used in Lithium Ion Battery Production Using Sequential Microwave Digestion Currently there i...
IMG-ALT Application Note Sample Preparation and Analysis of Materials in Lithium-Ion Battery Production Using Sequential Microwave Digestion
/de/using-elevated-temperature...On-Demand-Webinare Using Elevated Temperatures to Enable the Purification of Hydrophobic and Difficult Peptides In this webinar, the successful purification ...
/de/synthetic-peptide-librarie...On-Demand-Webinare Synthetic Peptide Libraries Webinar The rapidly increasing demand for synthetic peptides in research calls for extremely efficient automat...
/de/sulfated-ash-of-various-sw...Anwendungshinweise Sulfated Ash of Various Sweeteners and Syrups Tight specifications about the amount of sulfated ash that can be present in sugars and syru...
/de/tips-and-tricks-for-optimi...On-Demand-Webinare Tips and Tricks for Optimizing Sample Preparation and Analysis of Lithium-Ion Battery Components Early research in rechargeable Li-ion bat...
/de/scaling-up-microwave-assis...On-Demand-Webinare Scaling Up Microwave-assisted Solid Phase Peptide Synthesis (SPPS) — From Micromole to Hundreds of Millimoles The number of new peptide-ba...
/de/alternative-methods-for-al...Anwendungshinweise Alternative Methods for Alternative Proteins A look at the complexities of existing analytical methods.
/de/peptide-palmitoylation-pro...Anwendungshinweise Peptide Palmitoylation Procedure This procedure details the simple, HE-SPPS coupling of palmitic acid onto the N-terminus of peptides with...
IMG-ALT Peptide Palmitoylation Procedure
/de/clean-water-act-methods-up...Blog Post Clean Water Act Methods Update Rule for the Analysis of Effluent Expands the Use of Microwave Digestion Recently approved methodology has expanded ...
http://cem.com/de/ash-analysis/Text duplicate Veraschung
http://cem.com/de/fat-analysis/Fett Analyse
http://cem.com/de/hydrolysis/Text duplicate Hydrolyse
/de/microwave-digestion/Text duplicate Mikrowellen-Aufschluss
/de/microwave-synthesis/Text duplicate Sintesi assistita da microonde
/de/moisture-solids-analysis/Text duplicate Feuchtigkeit & Feststoffe
/de/peptide-synthesis/Text duplicate Peptidsynthese
/de/pfas-extraction/Text duplicate PFAS-Extraktion
/de/protein-analysis/Protein Analyse
/de/solvent-extraction/Lösungsmittel Extraktion
/de/phoenix-black-sulfated-ash/Sulfatveraschung
/de/privacy-policy-cookie-rest...Datenschutz
https://healthcomp.sapphiremrf...External Subdomain MRF
/media/94-160j_ENG_CEM-Corpora...ISO Certification
http://cem.com/enEnglish
http://cem.com/frFrançais
http://cem.com/deDeutsch
http://cem.com/itItaliano
http://cem.com/ja日本語
http://cem.com/esEspañol
http://cem.com/cn中文
http://www.linkedin.com/compan...New window External Subdomain A-TITLE CEM on Linkedin
https://www.facebook.com/CEMCo...New window External Subdomain A-TITLE CEM on Facebook
http://www.twitter.com/CEMCorp...New window External Subdomain No Text
https://www.youtube.com/c/CEMC...New window External Subdomain No Text
https://www.instagram.com/cemc...New window External Subdomain No Text
https://www.vimeo.com/cemcorpo...New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "http://cem.com/de?___store=de&___from_store=en"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.61 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 loads 10 CSS files. This may affect the page load time negatively.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (103 kB).

HTTP Response Header

NameValue
dateSun, 07 Jul 2024 01:57:03 GMT
content-typetext/html; charset=UTF-8
content-length22204
connectionkeep-alive
serverApache/2.4.41 (Ubuntu)
set-cookie138 Characters
expiresThu, 06 Jul 2023 21:37:28 GMT
cache-controlmax-age=0, must-revalidate, no-cache, no-store
pragmano-cache
report-to{"group":"report-endpoint","max_age":10886400,"endpoints":[{"url":"https:\/\/www.example.com\/"}]}
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strict-transport-securitymax-age=31536000
content-security-policyupgrade-insecure-requests;
x-content-type-optionsnosniff
x-xss-protection1; mode=block
x-frame-optionsSAMEORIGIN
varyAccept-Encoding
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page has only a few links from other websites.
This page only has backlinks from 3 referring domains.
This page only has 7 backlinks.
This page only has few backlinks from 3 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: /s3/*
Disallow: /catalogsearch/result/index/
Disallow: /literature
Disallow: /cn/literature
Disallow: /app/
Disallow: /bin/
Disallow: /dev/
Disallow: /lib/
Disallow: /phpserver/
Disallow: /composer.json
Disallow: /composer.lock
Disallow: /CONTRIBUTING.md
Disallow: /CONTRIBUTOR_LICENSE_AGREEMENT.html
Disallow: /COPYING.txt
Disallow: /Gruntfile.js
Disallow: /LICENSE.txt
Disallow: /LICENSE_AFL.txt
Disallow: /nginx.conf.sample
Disallow: /package.json
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Disallow: /RELEASE_NOTES.txt
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Disallow: /customer/account/
Disallow: /customer/account/login
User-agent: SemrushBot
Crawl-delay: 10

Sitemap: https://cem.com/pub/sitemap.xml
Sitemap: https://cem.com/pub/sitemap_de.xml
Sitemap: https://cem.com/pub/sitemap_it.xml
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cem.com
CEM Corporation
CEM is the leading provider of microwave instrumentation for analytical and synthetic chemistry applications. Major application areas include acid digestion for elemental analysis, compositional testing of food products, peptide synthesis, and chemical synthesis.

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CEM62%Check
Analysis60%Check
Peptide60%Check
Digestion60%Check
Microwave60%Check
Microwave Digestion60%Check
Product58%Check
Peptide Synthesis57%Check
CEM Corporation55%Check
Elemental analysis54%Check
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