Chemistrytalk.org - SEO Checker

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Overview of the SEO Check
Meta information
97% 
Page quality
71% 
Page structure
77% 
Link structure
56% 
Server
80% 
External factors
100% 
SEO Score
Response time
0.82 s
File size
253.50 kB
Words
1190
Media files
40
Number of links
83 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Chemistry made fun and easy | ChemTalk
The length of the page title is perfect. (373 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Chemistry education non-profit showcasing elements, reactions, experiments and tutorials. We make chemistry fun and easy to understand.
The length of the meta description is perfect. (859 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://chemistrytalk.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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionChemistry education non-profit showcasing elements, reactions, experiments and tutorials. We make chemistry fun and easy to understand.
p:domain_verifye99f1592295cbf1fae47d476904d6f8d
generatorElementor 3.12.0; features: e_optimized_assets_loading, e_optimized_css_loading, a11y_improvements, additional_custom_breakpoints; settings: css_print_method-external, google_font-enabled, font_display-swap
article:modified_time2025-02-21T16:15:28+00:00
langen-us
twitter:cardsummary_large_image
twitter:label1Est. reading time
twitter:data116 minutes
og:localeen_US
og:typewebsite
og:titleChemistry made fun and easy | ChemTalk
og:descriptionChemistry education non-profit showcasing elements, reactions, experiments and tutorials. We make chemistry fun and easy to understand.
og:urlhttps://chemistrytalk.org/
og:site_nameChemTalk
og:imagehttps://chemistrytalk.org/wp-content/uploads/2023/01/Vector.png
charsetUTF-8

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Page quality

Content
(Critically important)
There are 6 text duplicates on this page:
  • Duplicate 1: Join the ChemTalk volunteer or intern program and help us further our ...
  • Duplicate 2: We are a nonprofit organization dedicated to science education and out...
  • Duplicate 3: Listen to various chemists, scientists, and educators from across the ...
This page contains 1190 words. That's ok.
36.6% 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.
29 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 15.24 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.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Image SEO
(Somewhat important)
36 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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/uploads/2022/12/logo-1.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector-1.pngNo alt attribute provided
...esome.com/icons/twitter?f=brands&s=solidNo alt attribute provided
/wp-content/uploads/2023/01/Vector-3.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector-4.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector-1.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector-2.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector-3.pngNo alt attribute provided
/wp-content/uploads/2023/01/Vector-4.pngNo alt attribute provided
/wp-content/uploads/2023/01/icon1.pngNo alt attribute provided
/wp-content/uploads/2023/01/icon2.pngNo alt attribute provided
/wp-content/uploads/2023/01/icon3.pngNo alt attribute provided
/wp-content/uploads/2023/01/icon4.pngNo alt attribute provided
/wp-content/uploads/2023/01/icon5.pngNo alt attribute provided
...ymbol_Atomic_Number_and_Mass-300x232.jpgatomic mass
...ploads/2023/09/concentration-300x225.jpgNo alt attribute provided
...2023/08/raman-energy-levels-300x169.jpegNo alt attribute provided
...uploads/2023/08/Effusion.svg-300x174.pngNo alt attribute provided
...tent/uploads/2024/02/Niobium-300x172.pngNo alt attribute provided
...hot-2023-10-08-at-8.56.58-PM-300x194.pngNo alt attribute provided
...ent/uploads/2023/11/IMG_0148-300x85.jpegNo alt attribute provided
...nt/uploads/2023/11/Ruthenium-300x170.pngNo alt attribute provided
...ploads/2023/03/steric-strain-300x193.pngNo alt attribute provided
...s/2023/03/vanadium-thumb-800-300x200.jpgchemistry experiment - vanadium oxidation states
...023/03/iodine-starch-mixture-300x200.jpgiodine clock reaction
.../03/briggs-rauscher-reaction-300x169.jpgbriggs rauscher reaction
...hromatography_english_vs.svg-300x254.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-2-82.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-5-53.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-3-70.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-4-59.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-8-51.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-7-51.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-6-52.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-9-45.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-10-46.pngNo alt attribute provided
/wp-content/uploads/2023/03/image-1-91.pngNo alt attribute provided
/wp-content/uploads/2023/01/footerLogo2.pngNo alt attribute provided

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.
There are 26 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 Support ChemTalk's Mission
H2 Learn Chemistry with Us
H2 What is Atomic Mass?
H2 Normality and Other Units of Concentration
H2 Raman Spectroscopy
H2 Graham’s Law of Effusion
H2 The Notable Element Niobium
H2 The Toxic Element Cadmium
H2 The Hardworking Element Hafnium
H2 The Ruthless Element Ruthenium
H2 Nitrogen Triiodide Synthesis
H2 Vanadium Oxidation States Experiment
H2 Lab Procedure: Iodine Clock Reaction
H2 Briggs-Rauscher Reaction
H2 How Method Validation Protects Consumers
H2 What is UV-Vis Spectrophotometry?
H2 What is Gas Chromatography?
H2 The Everyday Importance of Atomic Absorption Spectroscopy (AAS)
H2 Sponsors & Donors
H2 Our Services
H2 Contact & About Us
H2 Get Involved
H2 Follow Us
H3 For All Students
H3 Diverse Resources
H3 Free Materials
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
13 links don't have an anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (27) on this page.

Found links on this page

LinkAttributesAnchor text
https://chemistrytalk.org/Anchor Skip to content
A-TITLE Skip to content
https://chemistrytalk.org/ChemTalk
A-TITLE ChemTalk
https://chemistrytalk.org/No Text
/genchem/General Chemistry
https://chemistrytalk.org/ochem/Organic Chemistry
/biochem/Biochemistry
/interactive-periodic-table/Interactive Periodic Table (New)
/elements/Learn About The Elements
/periodic-table-of-elements-wi...Periodic Table with Names (JPG Image)
/experiment-procedures/Experiments
/history-of-chemistry/History of Chemistry
/resources/Resources
/chemistry-teacher-resources/Teacher Resources – General Chemistry
/organic-chemistry-teacher-res...Teacher Resources – O Chem
/general-chemistry-worksheets/General Chemistry Worksheets
/chemtalk-infographics/Chemtalk Infographics
/podcast-episodesPodcast
/podcast-episodes-chemistry-po...Episodes
/spotlight-on-chemists/Spotlight on Chemists
/academic-enhancement-program/Academic Success
/chemtalk-live-learning-copy/Live Learning
/chemtalk-office-hours/Office Hours
https://www.gofundme.com/f/che...External Subdomain Our GoFundMe
/our-mission-2/Our Mission
/chemtalk-teamOur Team
/board-advisors/Advisory Board
/sponsors-donors/Sponsors & Donors
/support-us/Support Us
/join-our-team-chemistry-inter...Join Our Team
/donate-to-chemtalk/Donate
/join-newsletter/Join Newsletter
/academic-enhancement-program/New window Join our NEW learning program! An innovative approach to get better grades and jumpstart your career success. Click Here
https://chemistrytalk.org/Anchor Want to improve education for students around the world? Help us shape a live learning program that fits your needs. Get Started!
/volunteer-intern/Volunteer or Intern with us Join the ChemTalk volunteer or intern program and help us further our mission in providing accessible chemistry education. learn ...
/our-mission-2/We make chemistry fun and easy We are a nonprofit organization dedicated to science education and outreach in order to make chemistry more fun and less diffi...
/interactive-periodic-table/New window New interactive periodic table Learn about elements and how to use the periodic table easily! check it out
/podcast-episodes-chemistry-po...Listen to our Podcast Series Listen to various chemists, scientists, and educators from across the globe who show the many career paths that involve chemistr...
https://www.facebook.com/ChemT...New window External Subdomain No Text
https://www.instagram.com/chem...New window External Subdomain No Text
https://twitter.com/chem_talkNew window External No Text
https://www.youtube.com/c/Chem...New window External Subdomain No Text
https://www.tiktok.com/@chemtalkNew window External Subdomain No Text
/our-mission-2/Text duplicate We make chemistry fun and easy We are a nonprofit organization dedicated to science education and outreach in order to make chemistry more fun and less diffi...
/interactive-periodic-table/New window Text duplicate New interactive periodic table Learn about elements and how to use the periodic table easily! check it out
/volunteer-intern/Text duplicate Volunteer or Intern with us Join the ChemTalk volunteer or intern program and help us further our mission in providing accessible chemistry education. learn ...
/podcast-episodes-chemistry-po...Text duplicate Listen to our Podcast Series Listen to various chemists, scientists, and educators from across the globe who show the many career paths that involve chemistr...
https://www.facebook.com/ChemT...New window External Subdomain No Text
https://www.instagram.com/chem...New window External Subdomain No Text
https://twitter.com/chem_talkNew window External No Text
https://www.youtube.com/c/Chem...New window External Subdomain No Text
https://www.tiktok.com/@chemtalkNew window External Subdomain No Text
/what-is-atomic-mass/No Text
/what-is-atomic-mass/What is Atomic Mass?
A-TITLE What is Atomic Mass?
/normality-and-other-units-of-...No Text
/normality-and-other-units-of-...Normality and Other Units of Concentration
A-TITLE Normality and Other Units of Concentration
/raman-spectroscopy/No Text
/raman-spectroscopy/Raman Spectroscopy
A-TITLE Raman Spectroscopy
/grahams-law-of-effusion/No Text
/grahams-law-of-effusion/Graham’s Law of Effusion
A-TITLE Graham’s Law of Effusion
/general-chemistry/see more lessons
/the-notable-element-niobium/No Text
/the-notable-element-niobium/The Notable Element Niobium
A-TITLE The Notable Element Niobium
/the-toxic-element-cadmium/No Text
/the-toxic-element-cadmium/The Toxic Element Cadmium
A-TITLE The Toxic Element Cadmium
/the-hardworking-element-hafnium/No Text
/the-hardworking-element-hafnium/The Hardworking Element Hafnium
A-TITLE The Hardworking Element Hafnium
/the-ruthless-element-ruthenium/No Text
/the-ruthless-element-ruthenium/The Ruthless Element Ruthenium
A-TITLE The Ruthless Element Ruthenium
/elements/see more elements
/nitrogen-triiodide-synthesis/No Text
/nitrogen-triiodide-synthesis/Nitrogen Triiodide Synthesis
A-TITLE Nitrogen Triiodide Synthesis
/vanadium-oxidation-states-exp...No Text
/vanadium-oxidation-states-exp...Vanadium Oxidation States Experiment
A-TITLE Vanadium Oxidation States Experiment
/iodine-clock-reaction/No Text
/iodine-clock-reaction/Lab Procedure: Iodine Clock Reaction
A-TITLE Lab Procedure: Iodine Clock Reaction
/briggs-rauscher-reaction/No Text
/briggs-rauscher-reaction/Briggs-Rauscher Reaction
A-TITLE Briggs-Rauscher Reaction
/experiments/see more experiments
/how-method-validation-protect...How Method Validation Protects Consumers
A-TITLE How Method Validation Protects Consumers
/uv-vis-spectrophotometry/What is UV-Vis Spectrophotometry?
A-TITLE What is UV-Vis Spectrophotometry?
/what-is-gas-chromatography/No Text
/what-is-gas-chromatography/What is Gas Chromatography?
A-TITLE What is Gas Chromatography?
/atomic-absorption-spectroscop...The Everyday Importance of Atomic Absorption Spectroscopy (AAS)
A-TITLE The Everyday Importance of Atomic Absorption Spectroscopy (AAS)
/lab-procedures-tips-safety/see more resources
https://www.cabrimed.org/New window External Subdomain No Text
https://www.kpm-accelerate.com/New window External Subdomain No Text
https://www.lospadresacs.org/New window External Subdomain No Text
https://hansonlab.com/New window External No Text
https://www.orthushealth.com/External Subdomain No Text
https://www.biosciencealliance...New window External Subdomain No Text
https://www.bluewaterdivetrave...New window External Subdomain No Text
https://www.laballey.com/External Subdomain No Text
https://www.luciteria.com/New window External Subdomain No Text
https://www.amgen.com/responsi...New window External Subdomain No Text
/general-chemistry/Lessons
/elements/Elements
/experiments/Text duplicate Experiments
/podcast-episodes-chemistry-po...Text duplicate Resources
/our-mission-2/Mission
/programs-2/Programs
/chemtalk-team/Team
/board-advisors/Text duplicate Advisory Board
/donate-2/Text duplicate Donate
https://www.gofundme.com/f/che...New window External Subdomain GoFundMe Page
/join-newsletter/Newsletter
https://www.facebook.com/ChemT...New window External Subdomain Facebook
https://www.instagram.com/chem...New window External Subdomain Instagram
https://twitter.com/chem_talkNew window External Twitter
https://www.youtube.com/c/Chem...New window External Subdomain Youtube
https://www.tiktok.com/@chemtalkNew window External Subdomain Tiktok

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://chemistrytalk.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.82 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 (254 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 18 Feb 2026 23:49:09 GMT
content-typetext/html; charset=UTF-8
content-length41732
link<https://chemistrytalk.org/wp-json/>; rel="https://api.w.org/", <https://chemistrytalk.org/wp-json/wp/v2/pages/7>; rel="alternate"; title="JSON"; type="application/json", <https://chemistrytalk.org/>; rel=shortlink
varyAccept-Encoding
content-encodinggzip
age4498
x-cacheHIT
accept-rangesbytes
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 165 referring domains.
This page has 422 backlinks.
This page has backlinks from 99 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

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

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

Similar sites

Search preview

chemistrytalk.org
Chemistry made fun and easy | ChemTalk
Chemistry education non-profit showcasing elements, reactions, experiments and tutorials. We make chemistry fun and easy to understand.

Most important keywords

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

KeywordResultRecheck
Chemistry77%Check
make chemistry61%Check
Talk59%Check
easy58%Check
Reaction58%Check
Chemistry made58%Check
Organic Chemistry56%Check
General Chemistry56%Check
Element54%Check
Experiment52%Check
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