Chemsec.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
77% 
Page structure
29% 
Link structure
0% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.27 s
File size
117.70 kB
Words
1966
Media files
48
Number of links
98 internal / 55 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
We flip the script on the chemical pollution crisis
The length of the page title is perfect. (428 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Our planet is facing a chemical pollution crisis, threatening both ecosystems and human health. This needs to change.
The length of the meta description is perfect. (725 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://chemsec.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionOur planet is facing a chemical pollution crisis, threatening both ecosystems and human health. This needs to change.
generatorWordPress 6.1.1
msapplication-TileImagehttps://chemsec.org/app/uploads/2023/03/cropped-cropped-Symbol-Logo-Chemsec_2015-270x270.png
article:modified_time2026-04-09T07:40:24+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleWe flip the script on the chemical pollution crisis
og:descriptionOur planet is facing a chemical pollution crisis, threatening both ecosystems and human health. This needs to change.
og:urlhttps://chemsec.org/
og:site_nameChemSec
og:imagehttps://chemsec.org/app/uploads/2026/03/natural-light-1024x576.jpg
Content-Typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are 3 text duplicates on this page:
  • Duplicate: Chemsec.org uses cookies to improve your experience while visiting our...
This page contains 1966 words. That's ok.
38.9% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
25 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 17.87 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)
The usage of strong and bold tags is perfect. We recommend the use of up to 39 tags for this page.
Image SEO
(Somewhat important)
1 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
...emes/chemsec/assets/img/logo-chemsec.pngChemsec logo
...loads/2026/03/natural-light-1024x576.jpgsun shining through thick forest
.../03/Investors-main-380x220-c-default.jpgThe three investors interviews in this piece: Joris Laseur, Eugenie Mathieu and Tsitsi Griffiths
...2026/03/white-dove-380x220-c-default.jpgwhite peace dove
...2026/03/skyscraper-380x220-c-default.jpgskyscraper
.../03/chemical-plant-380x220-c-default.jpgchemical industry factory
.../03/Investors-main-380x220-c-default.jpgThe three investors interviews in this piece: Joris Laseur, Eugenie Mathieu and Tsitsi Griffiths
...2026/03/white-dove-380x220-c-default.jpgwhite peace dove
...2026/03/skyscraper-380x220-c-default.jpgskyscraper
.../03/chemical-plant-380x220-c-default.jpgchemical industry factory
...ds/2023/03/eye_boy-380x220-c-default.pngeye
.../06/IIHC-800x450-2-380x220-c-default.pngJoin the IIHC!
.../08/PFAS-small-box-380x220-c-default.jpgFuture-proof your company
...led-e1685345795407-380x220-c-default.jpgWhy care about toxic chemicals?
...ds/2023/03/eye_boy-380x220-c-default.pngeye
.../06/IIHC-800x450-2-380x220-c-default.pngJoin the IIHC!
.../08/PFAS-small-box-380x220-c-default.jpgFuture-proof your company
...led-e1685345795407-380x220-c-default.jpgWhy care about toxic chemicals?
/app/uploads/2022/06/Sin-list.pngSIN List
/app/uploads/2022/07/chemscore-1.pngchemscore
/app/uploads/2022/11/Marketplace.pngMarketplace
/app/uploads/2023/04/Pfas-guide.pngPFAS Guide
/app/uploads/2023/04/Sin-producers.pngSIN Producers List
.../ChemSec-PFAS-copy-380x220-c-default.jpgThe PFAS rap battle
...5/ChemSec-SIN-List-380x220-c-default.pngSIN List
...en-kalas-800x450-1-380x220-c-default.jpgChemSec Steven
...m-Fisher-800x450-1-380x220-c-default.jpgHoogenboezem-Fisher
.../ChemSec-PFAS-copy-380x220-c-default.jpgThe PFAS rap battle
...5/ChemSec-SIN-List-380x220-c-default.pngSIN List
...en-kalas-800x450-1-380x220-c-default.jpgChemSec Steven
...m-Fisher-800x450-1-380x220-c-default.jpgHoogenboezem-Fisher
...ePng_orange-heart-png_974034-300x300.pngNo alt attribute provided
/app/uploads/2023/05/Adidas.pngadidas logotype
...uploads/2023/05/Apple-e1719305357110.pngApple logotype
/app/uploads/2023/05/HM-group.pngH&M Group logotype
/app/uploads/2023/05/Shaw.pngShaw logotype
...loads/2023/05/Skanska-e1719305208168.pngSkanska logotype
/app/uploads/2023/05/Coop-red.pngCoop logotype
/app/uploads/2023/05/Kingfisher.pngKingfisher logotype
/app/uploads/2023/05/Lego.pngLego logotype
/app/uploads/2023/05/Boots.pngBoots logotype
/app/uploads/2023/05/Ikea.pngIkea logotype
/app/uploads/2023/05/Dell.pngDell logotype
/app/uploads/2023/05/Eureau.pngEurEau logotype
...estar_wordmark_pos435-e1719305304237.pngcompany logo
.../06/RGB_VEOLIA_10CM-1-e1719305270295.pngcompany logo
...themes/chemsec/assets/img/logo-white.svgChemsec logo
Video URLWidthHeight
...r_animation_web_leverans_20230314_01.mp4

Page structure

H1 heading
(Critically important)
Don't worry, the cookies on our website are toxic-free
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.
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
H1 Don't worry, the cookies on our website are toxic-free
H1 How we use cookies
H1 Personal data policy
H1 Choose cookies
H1 We flip the script on the chemical pollution crisis
H2 In focus:
H2 News
H2 Stay updated on all the latest!
H2 Topics
H2 ChemSec’s free chemicals management tools
H2 The SIN List
H2 ChemScore
H2 Marketplace
H2 PFAS Guide
H2 SIN Producers
H2 Videos
H2 Support us:
H2 Chemsec Business Group
H3 $23 trillion in assets and one clear message: Clean up your chemicals
H3 Why the chemical industry should call for peace in the Middle East
H3 Examined: Is European chemical industry in crisis? (Part 2)
H3 Examined: Is European chemical industry in crisis? (Part 1)
H3 $23 trillion in assets and one clear message: Clean up your chemicals Duplicate text
H3 Why the chemical industry should call for peace in the Middle East Duplicate text
H3 Examined: Is European chemical industry in crisis? (Part 2) Duplicate text
H3 Examined: Is European chemical industry in crisis? (Part 1) Duplicate text
H3 Subscribe to our newsletter.
H3 ChemSec’s policy positions
H3 Join the IIHC!
H3 Future-proof your company
H3 Why care about toxic chemicals?
H3 ChemSec’s policy positions Duplicate text
H3 Join the IIHC! Duplicate text
H3 Future-proof your company Duplicate text
H3 Why care about toxic chemicals? Duplicate text
H3 Watch our battle rap against the toxic chemical PFAS
H3 Don’t let hazardous chemicals ruin your product
H3 Here comes Steven to trash the party
H3 We make your bad chemicals look good
H3 Watch our battle rap against the toxic chemical PFAS Duplicate text
H3 Don’t let hazardous chemicals ruin your product Duplicate text
H3 Here comes Steven to trash the party Duplicate text
H3 We make your bad chemicals look good Duplicate text
H3 About
H3 Knowledge
H3 Topics Duplicate text
H3 Contact
H3 Subscribe to our newsletter
H4 4 ways chemical companies gaslight you about PFAS
H4 Stop toxic chemicals before they become pollution
H4 Stay informed on this important matter.
H5 chemsec.org (functional)
H5 Google Analytics (statistics and marketing)
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.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (55) on this page.

Found links on this page

LinkAttributesAnchor text
https://business.safety.google...New window External Subdomain Google’s privacy & terms site
https://chemsec.org/IMG-ALT Chemsec logo
https://chemsec.org/agenda/Agenda
https://chemsec.org/knowledge/Knowledge
https://chemsec.org/tools/Tools
https://chemsec.org/news/News
https://chemsec.org/about/About
https://chemsec.org/agenda/Text duplicate Agenda
/wrappedinchemicals/Wrapped in Chemicals
/knowledge/beyond-pfas/Beyond PFAS: The Safer Alternatives
/knowledge/IIHCInvestor Initiative on Hazardous Chemicals (IIHC)
/pfas-movement/PFAS Movement
/knowledge/chemicals-and-busin...Anchor ChemSec Business Group
https://chemsec.org/knowledge/Text duplicate Knowledge
https://chemsec.org/reports/Reports
/knowledge/this-is-why-you-sho...Why you should care about harmful chemicals
/knowledge/harmful-chemicals-i...Hazardous chemicals in a nutshell
/knowledge/policy/Chemicals policy
/knowledge/chemicals-and-busin...Chemicals and business
/knowledge/all-you-need-to-kno...All you need to know about PFAS
https://chemsec.org/tools/Text duplicate Tools
https://sinlist.chemsec.org/External Subdomain SIN List
https://chemscore.chemsec.org/External Subdomain ChemScore
https://marketplace.chemsec.org/External Subdomain Marketplace
https://pfas.chemsec.org/External Subdomain PFAS Guide
https://sinproducers.chemsec.org/External Subdomain SIN Producers
https://chemsec.org/news/Text duplicate News
/news/?category=9PFAS
/news/?category=18Policy
/news/?category=17Substitution
/news/?category=16Sustainable finance
/news/?category=21Chemical pollution
/news/?category=19Chemical industry
https://chemsec.org/about/Text duplicate About
/about/about-chemsec/Who
/about/about-chemsec/Anchor What
/knowledge/this-is-why-you-sho...Why
https://chemsec.org/contact/Contact
/about/about-chemsec/Anchor Personal data policy
https://chemsec.org/om-chemsec/Om ChemSec (in Swedish)
https://chemsec.org/contactText duplicate Contact
http://eepurl.com/hANs_5New window External Newsletter
/about/about-chemsec/Anchor Support us
https://se.linkedin.com/compan...External Subdomain No Text
https://bsky.app/profile/chems...External No Text
https://www.youtube.com/user/C...External Subdomain No Text
/about/about-chemsec/What we do
/4-ways-chemical-companies-gas...Trivial anchor text
Read more
/4-ways-chemical-companies-gas...IMG-ALT sun shining through thick forest
/23-trillion-in-assets-and-one...IMG-ALT The three investors interviews in this piece: Joris Laseur, Eugenie Mathieu and Tsitsi Griffiths
/news/?category=16Sustainable Finance
/23-trillion-in-assets-and-one...$23 trillion in assets and one clear message: Clean up your chemicals
/why-the-chemical-industry-sho...IMG-ALT white peace dove
/news/?category=19Chemical Industry
/why-the-chemical-industry-sho...Why the chemical industry should call for peace in the Middle East
/examined-is-european-chemical...IMG-ALT skyscraper
/news/?category=19Text duplicate Chemical Industry
/examined-is-european-chemical...Examined: Is European chemical industry in crisis? (Part 2)
/examined-is-european-chemical...IMG-ALT chemical industry factory
https://chemsec.org/news/See all
/news/?category=19Text duplicate Chemical Industry
/examined-is-european-chemical...Examined: Is European chemical industry in crisis? (Part 1)
/news/?category=16Text duplicate Sustainable Finance
/23-trillion-in-assets-and-one...Text duplicate $23 trillion in assets and one clear message: Clean up your chemicals
/news/?category=19Text duplicate Chemical Industry
/why-the-chemical-industry-sho...Text duplicate Why the chemical industry should call for peace in the Middle East
/news/?category=19Text duplicate Chemical Industry
/examined-is-european-chemical...Text duplicate Examined: Is European chemical industry in crisis? (Part 2)
/news/?category=19Text duplicate Chemical Industry
/examined-is-european-chemical...Text duplicate Examined: Is European chemical industry in crisis? (Part 1)
https://chemsec.org/news/Text duplicate News
/knowledge/policy/IMG-ALT eye
/knowledge/policy/Policymakers
/knowledge/policy/ChemSec’s policy positions
/knowledge/iihcIMG-ALT Join the IIHC!
/knowledge/iihcInvestors
/knowledge/iihcText duplicate Join the IIHC!
/knowledge/chemicals-and-busin...IMG-ALT Future-proof your company
/knowledge/chemicals-and-busin...Businesses
/knowledge/chemicals-and-busin...Text duplicate Future-proof your company
/knowledge/this-is-why-you-sho...IMG-ALT Why care about toxic chemicals?
/knowledge/this-is-why-you-sho...Everyone else
/knowledge/this-is-why-you-sho...Text duplicate Why care about toxic chemicals?
/knowledge/policy/Text duplicate Policymakers
/knowledge/policy/Text duplicate ChemSec’s policy positions
/knowledge/iihcText duplicate Investors
/knowledge/iihcText duplicate Join the IIHC!
/knowledge/chemicals-and-busin...Text duplicate Businesses
/knowledge/chemicals-and-busin...Text duplicate Future-proof your company
/knowledge/this-is-why-you-sho...Text duplicate Everyone else
/knowledge/this-is-why-you-sho...Text duplicate Why care about toxic chemicals?
https://sinlist.chemsec.org/New window External Subdomain Visit the SIN List
https://chemsec.org/toolsAll tools
https://chemscore.chemsec.org/New window External Subdomain Visit ChemScore
https://chemsec.org/toolsText duplicate All tools
https://marketplace.chemsec.org/New window External Subdomain Visit Marketplace
https://chemsec.org/toolsText duplicate All tools
https://pfas.chemsec.org/New window External Subdomain Text duplicate PFAS Guide
https://chemsec.org/toolsText duplicate All tools
https://sinproducers.chemsec.org/New window External Subdomain GO TO SIN PRODUCERS
https://chemsec.org/toolsText duplicate All tools
https://www.youtube.com/watch?...New window External Subdomain IMG-ALT The PFAS rap battle
https://www.youtube.com/watch?...New window External Subdomain THE RAP BATTLE
https://www.youtube.com/watch?...New window External Subdomain Watch our battle rap against the toxic chemical PFAS
https://www.youtube.com/watch?...New window External Subdomain Text duplicate IMG-ALT SIN List
https://www.youtube.com/watch?...New window External Subdomain IN DA CLUB
https://www.youtube.com/watch?...New window External Subdomain Don’t let hazardous chemicals ruin your product
https://www.youtube.com/watch?...New window External Subdomain IMG-ALT ChemSec Steven
https://www.youtube.com/watch?...New window External Subdomain HERO OR A**HOLE?
https://www.youtube.com/watch?...New window External Subdomain Here comes Steven to trash the party
https://www.youtube.com/watch?...New window External Subdomain IMG-ALT Hoogenboezem-Fisher
https://www.youtube.com/watch?...New window External Subdomain HOOGENBOEZEM-FISHER
https://www.youtube.com/watch?...New window External Subdomain We make your bad chemicals look good
https://www.youtube.com/watch?...New window External Subdomain Text duplicate THE RAP BATTLE
https://www.youtube.com/watch?...External Subdomain Text duplicate Watch our battle rap against the toxic chemical PFAS
https://www.youtube.com/watch?...New window External Subdomain Text duplicate IN DA CLUB
https://www.youtube.com/watch?...External Subdomain Text duplicate Don’t let hazardous chemicals ruin your product
https://www.youtube.com/watch?...New window External Subdomain Text duplicate HERO OR A**HOLE?
https://www.youtube.com/watch?...External Subdomain Text duplicate Here comes Steven to trash the party
https://www.youtube.com/watch?...New window External Subdomain Text duplicate HOOGENBOEZEM-FISHER
https://www.youtube.com/watch?...External Subdomain Text duplicate We make your bad chemicals look good
/about/about-chemsec/Anchor Donate now
/about/about-chemsec/Anchor No Text
https://www.adidas.se/External Subdomain IMG-ALT adidas logotype
https://www.apple.com/External Subdomain IMG-ALT Apple logotype
https://www2.hm.com/sv_se/inde...External Subdomain IMG-ALT H&M Group logotype
https://shawinc.com/Corporate-...External IMG-ALT Shaw logotype
https://www.skanska.se/External Subdomain IMG-ALT Skanska logotype
https://www.coop.se/External Subdomain IMG-ALT Coop logotype
https://www.kingfisher.com/en/...External Subdomain IMG-ALT Kingfisher logotype
https://lego.com/External IMG-ALT Lego logotype
https://www.boots.com/External Subdomain IMG-ALT Boots logotype
https://ikea.com/External IMG-ALT Ikea logotype
https://dell.com/External IMG-ALT Dell logotype
https://www.eureau.org/External Subdomain IMG-ALT EurEau logotype
https://www.polestar.com/External Subdomain IMG-ALT company logo
https://www.veolia.com/enExternal Subdomain Text duplicate IMG-ALT company logo
https://chemsec.org/Text duplicate IMG-ALT Chemsec logo
https://www.youtube.com/user/C...External Subdomain No Text
https://bsky.app/profile/chems...External No Text
https://se.linkedin.com/compan...External Subdomain No Text
/about/about-chemsec/ChemSec
https://chemsec.org/contact/Text duplicate Contact
https://chemsec.org/reports/Text duplicate Reports
/knowledge/iihc/Text duplicate Investor Initiative on Hazardous Chemicals (IIHC)
/knowledge/policy/Text duplicate Chemicals policy
/knowledge/chemicals-and-busin...Text duplicate Chemicals and business
https://chemsec.org/news/Text duplicate News
https://chemsec.org/tools/Text duplicate Tools
/pfas-movement/Text duplicate PFAS Movement
https://www.youtube.com/user/C...External Subdomain No Text
https://bsky.app/profile/chems...External No Text
https://se.linkedin.com/compan...External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://chemsec.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.27 seconds.
The file size of the HTML document is fine (118 kB).

HTTP Response Header

NameValue
x-powered-byPHP/8.1.34
x-cache-handlercache-enabler-engine
content-typetext/html; charset=UTF-8
content-encodingbr
varyAccept-Encoding
dateFri, 10 Apr 2026 08:18:20 GMT
serverLiteSpeed
x-frame-optionsSAMEORIGIN
alt-svch3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":443"; ma=2592000, h3-Q046=":443"; ma=2592000, h3-Q043=":443"; ma=2592000, quic=":443"; ma=2592000; v="43,46"
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 336 referring domains.
This page has 1,320 backlinks.
This page has backlinks from 188 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wp/wp-admin/
Allow: /wp/wp-admin/admin-ajax.php

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://chemsec.org/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

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chemsec.org
We flip the script on the chemical pollution crisis
Our planet is facing a chemical pollution crisis, threatening both ecosystems and human health. This needs to change.

Most important keywords

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

KeywordResultRecheck
Chemical74%Check
Chemical pollution70%Check
chemical pollution crisis68%Check
pollution65%Check
crisis65%Check
Chemsec63%Check
Chemical Industry59%Check
chemical companies58%Check
toxic56%Check
cookies54%Check
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