Chemicalsafetyfacts.org - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
70% 
Page structure
79% 
Link structure
82% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.57 s
File size
64.50 kB
Words
397
Media files
12
Number of links
43 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Chemical Safety Facts
The length of the page title is perfect. (204 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Get chemical safety information on the products you use every day
The length of the meta description is perfect. (411 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.chemicalsafetyfacts.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 name is very long.
The domain is no subdomain.
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
msapplication-TileColor#102b54
theme-color#ffffff
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionGet chemical safety information on the products you use every day
msapplication-TileImage/wp-content/uploads/csf-favicon.svg
article:modified_time2024-10-17T18:50:18+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleChemical Safety Facts
og:descriptionGet chemical safety information on the products you use every day
og:urlhttps://www.chemicalsafetyfacts.org/
og:site_nameChemical Safety Facts
og:imagehttps://www.chemicalsafetyfacts.org/wp-content/uploads/video-poster.jpg
og:image:width1400
og:image:height786
og:image:typeimage/jpeg
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 397 words on this page. Good pages should have about 800 words of useful content.
30.2% 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.
6 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 14.92 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 8 tags for this page.
Image SEO
(Somewhat important)
4 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
/wp-content/themes/csf/img/logo.svgChemical Safety Facts
...ontent/uploads/video-poster-1024x575.jpgVideo Poster
...terstock_1467182411-scaled-1-800x400.jpgelectronics made of plastic in box
...uploads/shutterstock_79938481-scaled.jpgputting bandaid on finger
...en-Shot-2022-05-24-at-3.26-1-596x400.pngFlame retardants used in building materials
...tterstock_521703313-scaled-1-800x400.jpgHardwood floor stain samples
...utterstock_767666125-scaled1-800x400.jpgBPA ski goggles
...loads/GettyImages-1533169546-800x400.jpgNo alt attribute provided
...mized-shutterstock_473115574-800x400.jpgNo alt attribute provided
...mized-shutterstock_709341439-800x400.jpgNo alt attribute provided
...learning-chemistry-in-school-600x400.jpgNo alt attribute provided
/wp-content/uploads/CSF_Logo-01_white.svgChemical Safety Facts

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Find a Chemical
H2 Featured Chemicals
H2 Articles, Research, Chemistry Info & More
H3 Use our A-Z list to learn more about common chemicals.
H3 Plastics
H3 Ethylene Oxide
H3 Flame Retardants
H3 Formaldehyde
H3 BPA (Bisphenol A)
H3 How Chemistry Helps Make your Photos Picture Perfect
H3 Unmasking Chemistry’s Contributions to Halloween Safety and Fun
H3 Role of Chemistry in Vaccine Ingredients and Safety
H3 Chemistry in Everyday Life: Ways to Introduce Chemistry to Kids
H3 Browse by Category
H3 Chemistry 101
H3 Chemicals
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
/Anchor Skip to content
/IMG-ALT Chemical Safety Facts
/chemistry-101/Subdomain Chemistry 101
/chemicals/Chemicals
/health-and-safety/Subdomain Health and Safety
/health-and-safety/Overview
/health-and-safety/category/ch...Subdomain Chemicals & Food
/health-and-safety/category/ch...Subdomain Chemistry & Kids
/health-and-safety/category/ch...Subdomain Chemicals in the Environment
/health-and-safety/category/ch...Subdomain Chemicals & Health
/health-and-safety/category/ch...Subdomain Chemical Safety
/about/Subdomain About
https://twitter.com/ChemSafety...New window External Twitter
https://www.facebook.com/chemi...New window External Subdomain Facebook
https://www.youtube.com/channe...New window External Subdomain YouTube
/Subdomain English
https://es.chemicalsafetyfacts...New window External Subdomain Spanish
/chemicals/Browse Chemicals
/chemicals/View All Chemicals
/chemicals/plastics/Plastics
IMG-ALT electronics made of plastic in box
/chemicals/ethylene-oxide/Ethylene Oxide
IMG-ALT putting bandaid on finger
/chemicals/flame-retardants/Flame Retardants
IMG-ALT Flame retardants used in building materials
/chemicals/formaldehyde/Formaldehyde
IMG-ALT Hardwood floor stain samples
/chemicals/bpa-bisphenol-a/BPA (Bisphenol A)
IMG-ALT BPA ski goggles
/health-and-safety/how-chemist...Subdomain Chemicals in the Environment October 17, 2024 How Chemistry Helps Make your Photos Picture Perfect Known for their superior flexibility, heat resistance, non...
/health-and-safety/unmasking-c...Subdomain Chemistry & Kids October 15, 2024 Unmasking Chemistry’s Contributions to Halloween Safety and Fun It’s that time of year again...leaves are falling, there’s ...
/health-and-safety/vaccine-ing...Subdomain Chemicals & Health September 7, 2024 Role of Chemistry in Vaccine Ingredients and Safety Hailed as one of the ten great public health achievements of the 20t...
/health-and-safety/six-ways-ch...Subdomain Chemistry & Kids August 22, 2024 Chemistry in Everyday Life: Ways to Introduce Chemistry to Kids Chemistry isn’t just a course requirement – it’s a key part ...
/health-and-safety/category/ch...Subdomain Text duplicate Chemical Safety
/health-and-safety/category/ch...Subdomain Text duplicate Chemicals & Food
/health-and-safety/category/ch...Subdomain Text duplicate Chemicals & Health
/health-and-safety/category/ch...Subdomain Text duplicate Chemicals in the Environment
/health-and-safety/category/ch...Subdomain Text duplicate Chemistry & Kids
/health-and-safety/Subdomain Browse All Articles
/chemistry-101/Learn the Basics
/chemicals/View Chemicals
/Subdomain Text duplicate IMG-ALT Chemical Safety Facts
/chemistry-101/Subdomain Text duplicate Chemistry 101
/chemicals/Text duplicate Chemicals
/health-and-safety/Subdomain Text duplicate Health and Safety
/health-and-safety/category/ch...Subdomain Text duplicate Chemicals & Food
/health-and-safety/category/ch...Subdomain Text duplicate Chemistry & Kids
/health-and-safety/category/ch...Subdomain Text duplicate Chemicals in the Environment
/health-and-safety/category/ch...Subdomain Text duplicate Chemical Safety
/health-and-safety/category/ch...Subdomain Text duplicate Chemicals & Health
/about/Subdomain Text duplicate About
/disclaimers/Subdomain Disclaimers
https://twitter.com/ChemSafety...New window External Text duplicate Twitter
https://www.facebook.com/chemi...New window External Subdomain Text duplicate Facebook
https://www.youtube.com/channe...New window External Subdomain Text duplicate YouTube
https://www.americanchemistry....New window External Subdomain Terms
https://www.americanchemistry....New window External Subdomain Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.chemicalsafetyfacts.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.57 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.
The file size of the HTML document is fine (65 kB).

HTTP Response Header

NameValue
dateThu, 14 Nov 2024 22:01:09 GMT
content-typetext/html; charset=UTF-8
content-length12343
serverApache
strict-transport-securitymax-age=63072000; includeSubDomains; preload
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
varyAccept-Encoding,User-Agent
last-modifiedThu, 14 Nov 2024 12:10:29 GMT
accept-rangesbytes
cache-controlmax-age=0
expiresThu, 14 Nov 2024 22:01:08 GMT
content-encodinggzip
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 3,766 referring domains.
This page has 13,541 backlinks.
This page has backlinks from 2,441 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

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

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

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www.chemicalsafetyfacts.org
Chemical Safety Facts
Get chemical safety information on the products you use every day

Most important keywords

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

KeywordResultRecheck
Safety79%Check
Chemical Safety79%Check
chemical safety facts75%Check
Chemical62%Check
facts59%Check
Health and Safety55%Check
Chemicals54%Check
day50%Check
Info50%Check
information46%Check
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