Cen.acs.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
61% 
Page structure
58% 
Link structure
6% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.21 s
File size
169.70 kB
Words
1623
Media files
21
Number of links
280 internal / 40 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
C&EN | Chemistry news from around the world
The length of the page title is perfect. (419 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Chemical & Engineering News is a weekly news magazine published by the American Chemical Society, providing professional and technical news and analysis in the fields of chemistry and chemical engineering.
The meta description is too long: 1306 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://cen.acs.org/index.html
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: 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)
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

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facebook-domain-verificationan25ujdd57jxj7j3n94vqa7wv6hww6
langen
twitter:site@cenmag
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twitter:titleChemical & Engineering News
twitter:descriptionChemical & Engineering News is a weekly news magazine published by the American Chemical Society, providing professional and technical news and analysis in the fields of chemistry and chemical engineering.
og:titleChemical & Engineering News
og:site_nameChemical & Engineering News
og:descriptionChemical & Engineering News is a weekly news magazine published by the American Chemical Society, providing professional and technical news and analysis in the fields of chemistry and chemical engineering.
og:imagehttps://cen.acs.org/content/dam/cen/static/images/sitewide-default-images/site-cen-logo-social-default.jpg
og:urlhttps://cen.acs.org/index.html
og:localeen_US
Cache-Controlno-cache, no-store, must-revalidate
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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
There are 2 text duplicates on this page:
  • Duplicate: The Boston-based start-up has designed a small molecule that may help ...
This page contains 1623 words. That's ok.
26% of the text are stop words.
The page contains a listing, which indicates a good text layout.
12 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 23.55 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 88 characters this one is longer than 70 characters:
"acs’s standard package lets you stay up to date with c&en, stay active in acs, and save."
Image SEO
(Somewhat important)
7 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
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...t/dam/acs-cen-redesign/logo/cen-logo.pngACS
/content/dam/acs-cen-redesign/logo/acs.pngACS Chemistry for lifeACS: Chemistry for Life(®)

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 63 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Celebrate National Chemistry Week and get 30% off ACS membership with promo code NCW24 through Nov. 1.
H2 Thank you!
H2 Most Recent
H2 Most popular
H3 LATEST
H3 TOPICS
H3 MAGAZINE
H3 FEATURES
H3 COLLECTIONS
H3 PODCASTS
H3 CHEMPICS
H3 JOBS
H3 LATEST Duplicate text
H3 TOPICS Duplicate text
H3 MAGAZINE Duplicate text
H3 FEATURES Duplicate text
H3 COLLECTIONS Duplicate text
H3 PODCASTS Duplicate text
H3 CHEMPICS Duplicate text
H3 JOBS Duplicate text
H3 Grab your lab coat. Let's get started
H3 Welcome!
H3 Welcome! Duplicate text
H3 Brake lights for green hydrogen in Europe
H3 Chemistry in Pictures: 'G' is for glamorous
H3 How much do you know about porphyria and vampire mythology?
H3 Naica’s crystal cave captivates chemists
H3 How can companies recycle wind turbine blades?
H3 What are glow sticks, and what’s the chemical reaction that makes them light up?
H3 Covalent organic framework captures carbon from air
H3 Are undergraduate chemistry programs in crisis?
H3 Podcast: How the Nobel Prize in Chemistry was won
H3 An agar horror story and identifying a reddish liquid
H3 Reactions: Attrition in science and noncanonical structures for DNA-based computers
H3 What’s next for Kate the Chemist?
H3 Editorial: Supporting trans chemists for a stronger chemistry community
H3 Turning tides for endotoxin testing
H3 Monitoring the papers that are fed to AI
H3 Noninsecticidal agrochemicals alter insect behavior
H3 Toxic food packaging chemicals found in humans
H3 Axonis Therapeutics gets $115 million to treat pain
H3 Archon Biosciences launches to create antibody cages
H4 Create an account below to get 6 C&EN articles per month, receive newsletters and more - all free.
H4 It seems this is your first time logging in online. Please enter the following information to continue.
H4 As an ACS member you automatically get access to this site. All we need is few more details to create your reading experience.
H4 Empty heading
H4 Empty heading
H4 Not you? Sign in with a different account.
H4 Not you? Sign in with a different account. Duplicate text
H4 Access more articles now. Choose the ACS option that’s right for you.
H4 Podcast: How the Nobel Prize in Chemistry was won Duplicate text
H4 Axonis Therapeutics gets $115 million to treat pain Duplicate text
H4 2024 ChemLuminary Awards celebrate ACS volunteers
H4 Empty heading
H4 Stereo Chemistry podcast
H4 Newscripts
H4 Empty heading
H4 Your October 28, 2024 Issue
H4 More From The Issue Past Issues
H4 Job Listings
H4 ABOUT
H4 Follow US
H4 ACS Chemistry for life
H6 Advertisement
H6 ADVERTISEMENT
H6 ADVERTISEMENT Duplicate text
H6 ADVERTISEMENT Duplicate text
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.
8 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (40) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.acs.org/New window External Subdomain ACS
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https://www.cas.org/New window External Subdomain CAS
https://cen.acs.org/IMG-ALT Chemical & Engineering News
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/most-recent.htmlText duplicate LATEST
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/topics/analytical-chemistry.htmlText duplicate Analytical Chemistry
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/topics/materials.htmlText duplicate Materials
/topics/people.htmlText duplicate People
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/magazine/102/10234.htmlCurrent Issue
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https://pubs.acs.org/loi/cgeabjExternal Subdomain Archives: 100 Years of C&EN
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https://pubs.acs.org/loi/cgeabjExternal Subdomain Text duplicate Archives: 100 Years of C&EN
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/sections/arabic.htmlباللغة العربية C&EN
/collections/espanol.htmlC&EN en Español
/collections/chinese.htmlC&EN中文版
/collections/portugues.htmlC&EN em Português
/collections/webinars.htmlC&EN Webinars
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https://chemistryjobs.acs.org/External Subdomain JOBS
https://chemistryjobs.acs.org/External Subdomain Text duplicate JOBS
https://cen.acs.org/search.htmlAdvanced Search
https://www.facebook.com/CENewsNew window External Subdomain A-TITLE Facebook
https://www.instagram.com/cenmag/New window External Subdomain A-TITLE Instagram
https://twitter.com/cenmagNew window External A-TITLE X
https://www.linkedin.com/showc...New window External Subdomain A-TITLE LinkedIn
https://cen.acs.org/index.htmlIMG-ALT Chemical & Engineering News
https://www.acs.org/bin/acs/ss...External Subdomain A-TITLE Login
https://cen.acs.org/index.htmlText duplicate IMG-ALT Chemical & Engineering News
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https://pubs.acs.org/loi/cgeabjExternal Subdomain Text duplicate Archives: 100 Years of C&EN
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/sections/global-top-50.htmlText duplicate Global Top 50 chemical firms
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https://chemistryjobs.acs.org/External Subdomain Text duplicate JOBS
https://chemistryjobs.acs.org/External Subdomain Text duplicate JOBS
https://www.facebook.com/CENewsNew window External Subdomain Text duplicate A-TITLE Facebook
https://www.instagram.com/cenmag/New window External Subdomain Text duplicate A-TITLE Instagram
https://twitter.com/cenmagNew window External Text duplicate A-TITLE X
https://www.linkedin.com/showc...New window External Subdomain Text duplicate A-TITLE LinkedIn
https://www.acs.org/content/ac...New window External Subdomain Anchor COOKIE POLICY
/static/about/mobile.htmlSubdomain Chemistry News by C&EN mobile app
https://www.acs.org/membership...External Subdomain ACS Membership Packages
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/biological-chemistry/biochemi...Subdomain How an enzyme powers parrots’ colorful plumage
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https://chemistryjobs.acs.org/...External Subdomain University of Maryland School of Pharmacy: Synthetic Organic Chemist
https://chemistryjobs.acs.org/...External Subdomain University of Saskatchewan - Department of Chemistry: Assistant professor position (tenure-track ) in organic chemistry or organometallic chemistry
https://chemistryjobs.acs.org/...External Subdomain UCSD: POSTDOCTORAL POSITIONS TO DEVELOP INNOVATIVE DRUGS
https://chemistryjobs.acs.org/...External Subdomain University of Georgia Department of Chemistry: Assistant Professor in Materials Chemistry for Quantum Technologies (tenure-track)
https://chemistryjobs.acs.org/...External Subdomain University of Georgia Department of Chemistry: Assistant Professor in Materials Chemistry for Sustainability (tenure-track)
https://chemistryjobs.acs.org/...External Subdomain Emmanuel Akala, Howard University: Research Associate
http://chemistryjobs.acs.org/External Subdomain visit
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