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Chemicalsafetyfacts.org - SEO Checker

Overview of the SEO Check

Meta information

98%

Page quality

64%

Page structure

79%

Link structure

82%

Server

54%

External factors

100%

SEO Score

SEO Score Widget

Response time

0.57 s

File size

65.10 kB

Words

377

Media files

Number of links

43 internal / 9 external

Task list of SEO Improvements 7 Tasks

Add a H1 heading to this page.Very important!
Try to reduce the number of used CSS files.Very important!
Try to reduce the number of used JavaScript files.Very important!
Use good alternative descriptions (alt attributes) for your images.Important!
Review and improve the heading structure.Tip!
Improve the page response time.Tip!
Promote your page in social networks.Tip!

View all

Meta specifications 98% achieved

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 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)

Meta Description

Crawlability

(Critically important)

There are no problems in accessing the website.

Search Engine Crawlers

Canonical URL

(Important)

https://www.chemicalsafetyfacts.org/

There is a valid canonical link specified.

Canonical Tag

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

Declaring language in HTML

Alternate/Hreflang Links

(Somewhat important)

There are no alternate links specified on this page.

Hreflang

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.

Meta Tags

Domain

(Somewhat important)

The domain name is very long.

The domain is no subdomain.

The domain does not contain non-latin characters.

Domain for SEO

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.

SEO-friendly URLs

Charset encoding

(Somewhat important)

The charset encoding (UTF-8) is set correctly.

Character Encoding

Doctype

(Nice to have)

The doctype HTML 5 is set correctly.

The doctype is placed at first in the HTML code.

HTML Doctype

Favicon

(Nice to have)

The favicon is linked correctly.

Favicon

Meta tags

Name	Value
viewport	width=device-width, initial-scale=1
msapplication-TileColor	#102b54
theme-color	#ffffff
robots	index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
description	Get chemical safety information on the products you use every day
msapplication-TileImage	/wp-content/uploads/csf-favicon.svg
article:modified_time	2024-04-12T14:30:12+00:00
lang	en-us
twitter:card	summary_large_image
og:locale	en_US
og:type	website
og:title	Chemical Safety Facts
og:description	Get chemical safety information on the products you use every day
og:url	https://www.chemicalsafetyfacts.org/
og:site_name	Chemical Safety Facts
og:image	https://www.chemicalsafetyfacts.org/wp-content/uploads/video-poster.jpg
og:image:width	1400
og:image:height	786
og:image:type	image/jpeg
charset	UTF-8

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Page quality 64% achieved

Content

(Critically important)

There are only 377 words on this page. Good pages should have about 800 words of useful content.

30.8% 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.

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 14.78 words is good.

Content is King

Frames

(Critically important)

This page does not use a frameset.

Frames and framesets

Mobile optimization

(Somewhat important)

This page loads 12 JavaScript files. This may affect the load time negatively.

A viewport "width=device-width, initial-scale=1" is provided.

At least one Apple touch icon is specified.

Mobile Optimization

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.

Strong and Bold Tags

Image SEO

(Somewhat important)

4 images have no alt attribute. The content of alt attributes is used by search engines.

Image SEO

There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.

Social Sharing

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.

HTTPS

Media list

URL	Alt attribute	Title
/wp-content/themes/csf/img/logo.svg	Chemical Safety Facts
...ontent/uploads/video-poster-1024x575.jpg	Video Poster
...terstock_1467182411-scaled-1-800x400.jpg	electronics made of plastic in box
...uploads/shutterstock_79938481-scaled.jpg	putting bandaid on finger
...en-Shot-2022-05-24-at-3.26-1-596x400.png	Flame retardants used in building materials
...tterstock_521703313-scaled-1-800x400.jpg	Hardwood floor stain samples
...utterstock_767666125-scaled1-800x400.jpg	BPA ski goggles
...oads/shutterstock_1716959302-800x400.png	No alt attribute provided
...oads/shutterstock_2083494718-800x400.jpg	No alt attribute provided
...ploads/strawberry-packaging_-800x400.png	No alt attribute provided
...-putting-food-into-microwave-800x400.jpg	No alt attribute provided
/wp-content/uploads/CSF_Logo-01_white.svg	Chemical Safety Facts

Page structure 79% achieved

H1 heading

(Critically important)

There is no H1 heading specified.

H1-H6 headings

Headings

(Important)

The structure of headings is missing one or more levels. Do not skip heading levels.

H1-H6 headings

Heading structure

Heading level	Content
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 Advanced Recycling Can Recover More Plastic for Recycling
H3	Learning about Microplastics: Frequently Asked Questions
H3	Types of Plastic Food Packaging and Safety: A Close-Up Look
H3	Is It Safe to Microwave Plastic? Answering Common Safety Questions About Plastics Food Packaging
H3	Browse by Category
H3	Chemistry 101
H3	Chemicals

Link structure 82% achieved

Internal links

(Important)

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.

Internal Linking

External links

(Nice to have)

There are 9 external links on this page.

External Links

Found links on this page

Link	Attributes	Anchor 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-advance...	Subdomain	Chemicals in the Environment April 12, 2024 How Advanced Recycling Can Recover More Plastic for Recycling Advanced recycling takes plastic waste beyond tradi...
/health-and-safety/learning-ab...	Subdomain	Chemicals in the Environment April 11, 2024 Learning about Microplastics: Frequently Asked Questions Microplastics are small plastic particles that result fr...
/health-and-safety/types-of-pl...	Subdomain	Chemicals & Food April 8, 2024 Types of Plastic Food Packaging and Safety: A Close-Up Look You don’t have to be a scientist to understand the many ways plast...
/health-and-safety/is-it-safe-...	Subdomain	Chemicals & Food April 1, 2024 Is It Safe to Microwave Plastic? Answering Common Safety Questions About Plastics Food Packaging Heating up last night’s lefto...
/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 54% achieved

HTTP redirects

(Critically important)

This page redirects to "https://www.chemicalsafetyfacts.org/"

WWW Redirect

HTTP header

(Important)

No X-Powered HTTP header is sent.

This page uses GZip for compressed data transmission.

HTTP headers

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.

This page loads 13 CSS files. This may affect the page load time negatively.

This page loads 12 JavaScript files. This may affect the load time negatively.

The file size of the HTML document is fine (65 kB).

Page Speed

HTTP Response Header

Name	Value
date	Fri, 10 May 2024 06:58:48 GMT
content-type	text/html; charset=UTF-8
content-length	12328
server	Apache
strict-transport-security	max-age=63072000; includeSubDomains; preload
x-frame-options	SAMEORIGIN
x-content-type-options	nosniff
vary	Accept-Encoding,User-Agent
last-modified	Fri, 10 May 2024 00:10:49 GMT
accept-ranges	bytes
cache-control	max-age=0
expires	Fri, 10 May 2024 06:58:48 GMT
content-encoding	gzip
statuscode	200
http_version	HTTP/2

External factors 100% achieved

Blacklists

(Nice to have)

This website is not classified "for adult only".

Blacklist

Backlinks

(Critically important)

This page is referenced by wikipedia.

This website has excellent links from other websites.

This page has backlinks from 4,285 referring domains.

This page has 16,470 backlinks.

This page has backlinks from 2,595 different ip addresses.

Backlinks

Facebook popularity

(Somewhat important)

The page has 0 shares and comments on Facebook.

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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Search preview

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.

Keyword	Result	Recheck
Safety	79%	Check
Chemical Safety	79%	Check
chemical safety facts	75%	Check
Chemical	62%	Check
facts	59%	Check
Chemicals	54%	Check
Health and Safety	52%	Check
Info	50%	Check
Chemicals Food	49%	Check
Plastic Products	47%	Check
information	46%	Check
products	46%	Check
day	46%	Check
View Chemicals	46%	Check
Plastic	44%	Check
Food	44%	Check
Packaging	44%	Check
Food Packaging	44%	Check
Chemistry	43%	Check
Plastics	43%	Check
learn	43%	Check
common	43%	Check
Questions	43%	Check
Follow Us	43%	Check
plastic waste	41%	Check

Show more keywords and terms

Test up to 1.000 webpages of chemicalsafetyfacts.org with our free plan!

Easy troubleshooting for your entire website
Meta and on page check for each page
Automated check for keyword optimization

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Chemicalsafetyfacts.org - SEO Checker

Task list of SEO Improvements 7 Tasks

Meta specifications 98% achieved

(Critically important)

(Critically important)

(Critically important)

(Important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

Meta tags

Test up to 1.000 webpages of chemicalsafetyfacts.org with our free plan!

Page quality 64% achieved

(Critically important)

(Critically important)

(Somewhat important)

(Somewhat important)

(Somewhat important)

(Nice to have)

(Nice to have)

(Somewhat important)

Media list

Page structure 79% achieved

(Critically important)

(Important)

Heading structure

Link structure 82% achieved

(Important)

(Nice to have)

Found links on this page

Server configuration 54% achieved

(Critically important)

(Important)

(Somewhat important)

HTTP Response Header

External factors 100% achieved

(Nice to have)

(Critically important)

(Somewhat important)

Links from Wikipedia

Robots.txt

Similar sites

Search preview

Most important keywords

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