Website review physlink.com
PhysLink.com: Physics and Astronomy Online
Generated on March 15 2026 17:14 PM
Old data? UPDATE !
The score is 54/100
SEO Content
Title
PhysLink.com: Physics and Astronomy Online
Length : 42
Perfect, your title contains between 10 and 70 characters.
Description
Physics news, reference, education articles, job board, physics fun, and more. Most popular physics and astronomy online portal since 1995!
Length : 139
Great, your meta description contains between 70 and 160 characters.
Keywords
physics, astronomy, news, reference, education, articles, job board, estore, fun
Good, your page contains meta keywords.
Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 8 | 2 | 14 | 0 | 7 |
- [H1] Physics and Astronomy Online
- [H2] Fusion model hot off the wall
- [H2] How atomic nuclei vibrate
- [H2] Stunning discovery: Metals can heal themselves
- [H2] ScienceIQ Facts
- [H2] Physics & Astronomy Facts
- [H2] Science Sidebar
- [H2] Shop Our Online Science Store
- [H2] PhysLink.com
- [H3] Sonic Boom
- [H3] Contact Us
- [H4] Evidence of Diverse Organic Material on Mars
- [H4] First 'ghost particle' image of Milky Way galaxy captured by scientists
- [H4] Beyond the bubbling volcano: Secrets to successful science fair projects
- [H4] 10 Ways to Keep Your Kids Interested In Science
- [H4] Cool Summer Science Projects
- [H4] Physics Cartoons
- [H4] Solar & Battery Fan DIY STEM Kit
- [H4] Solar + Battery Car DIY STEM Kit
- [H4] Battery-Powered Balancing Robot DIY STEM Kit
- [H4] Hand-Crank Generator DIY STEM Kit
- [H4] Wire Maze Electricity DIY STEM Kit
- [H4] 3-in-1 Alternative Energy Car DIY STEM Kit
- [H4] Solar Micro Car Kit DIY STEM Kit
- [H4] Flashing LED Circuit DIY Electronics Kit
- [H6] Constants
- [H6] Calculators & Apps
- [H6] Other
- [H6] Answers
- [H6] Questions
- [H6] Cartoons
- [H6] Jokes, etc.
Images
We found 24 images on this web page.
6 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 41%
Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 75 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Home | Internal | Passing Juice |
| News | Internal | Passing Juice |
| Reference | Internal | Passing Juice |
| Fundamental Physical Constants | Internal | Passing Juice |
| Air Composition | Internal | Passing Juice |
| Astro-physical Constants | Internal | Passing Juice |
| Coefficients of Friction | Internal | Passing Juice |
| Indices Of Refraction | Internal | Passing Juice |
| Nuclear & Particle Data | Internal | Passing Juice |
| Special Math Constants | Internal | Passing Juice |
| Unit Conversion | Internal | Passing Juice |
| Periodic Table of Elements | Internal | Passing Juice |
| Time Reference & Exact Time | Internal | Passing Juice |
| Humidex & Windchill Calculator | Internal | Passing Juice |
| Decimal Multiples & Prefixes | Internal | Passing Juice |
| Physics Glossary | Internal | Passing Juice |
| Greek Alphabet | Internal | Passing Juice |
| Materials Safety Info | Internal | Passing Juice |
| Nobel Prize & Bruce Medal Info | Internal | Passing Juice |
| Classical Mechanics | Internal | Passing Juice |
| Thermodynamics | Internal | Passing Juice |
| Electricity & Magnetism | Internal | Passing Juice |
| Waves in Matter, Sound | Internal | Passing Juice |
| Light, Optics and Photonics | Internal | Passing Juice |
| Atomic & Nuclear | Internal | Passing Juice |
| Quantum Mechanics | Internal | Passing Juice |
| Special & General Relativity | Internal | Passing Juice |
| Astronomy & Astrophysics | Internal | Passing Juice |
| Definitions & Reference | Internal | Passing Juice |
| All Answers, all categories | Internal | Passing Juice |
| Unanswered Questions | Internal | Passing Juice |
| University and College Departments | Internal | Passing Juice |
| Institutes and National Labs | Internal | Passing Juice |
| Professional Societies | Internal | Passing Juice |
| Student Societies | Internal | Passing Juice |
| Journals | Internal | Passing Juice |
| Publishers | Internal | Passing Juice |
| Companies | Internal | Passing Juice |
| Grad Advisor | Internal | Passing Juice |
| Essays | Internal | Passing Juice |
| Astronomy | Internal | Passing Juice |
| History of Physics | Internal | Passing Juice |
| Reference for Educators | Internal | Passing Juice |
| Youth Science | Internal | Passing Juice |
| New Theories | Internal | Passing Juice |
| Cartoons by Rick London | Internal | Passing Juice |
| Cartoons by Mark Parisi | Internal | Passing Juice |
| Cartoons by John McPherson | Internal | Passing Juice |
| Cartoons by Jerry Van Amerongen | Internal | Passing Juice |
| Solvay ala PhysLink.com | Internal | Passing Juice |
| Jokes, jokes and more jokes | Internal | Passing Juice |
| Physics Party | Internal | Passing Juice |
| Chemist's equiVALENT Party | Internal | Passing Juice |
| Physics Major? | Internal | Passing Juice |
| Is there Santa? | Internal | Passing Juice |
| 'Twas The Night Before Christmas, NASA-style | Internal | Passing Juice |
| The Fate of the Universe | Internal | Passing Juice |
| The Ten Commandments for Amateur Astronomers | Internal | Passing Juice |
| Science Shop | External | Passing Juice |
| Fusion model hot off the wall | Internal | Passing Juice |
| How atomic nuclei vibrate | Internal | Passing Juice |
| Stunning discovery: Metals can heal themselves | Internal | Passing Juice |
| Evidence of Diverse Organic Material on Mars | Internal | Passing Juice |
| First 'ghost particle' image of Milky Way galaxy captured by scientists | Internal | Passing Juice |
| physics news | Internal | Passing Juice |
| science reference and constants | Internal | Passing Juice |
| fun page | Internal | Passing Juice |
| ScienceIQ.com | External | Passing Juice |
| Beyond the bubbling volcano: Secrets to successful science fair projects | External | Passing Juice |
| 10 Ways to Keep Your Kids Interested In Science | External | Passing Juice |
| Cool Summer Science Projects | External | Passing Juice |
| Send us a message | Internal | Passing Juice |
| Privacy Policy | Internal | Passing Juice |
| Cookie Policy | Internal | Passing Juice |
| Legal Info | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
waves diy boat stem plane speed sound kit science physics
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sound | 21 |  |
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| speed | 12 | |
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| science | 11 | |
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| waves | 11 | |
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| kit | 9 | |
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Usability
Url
Domain : physlink.com
Length : 12
Favicon
Great, your website has a favicon.
Printability
Great. We have found a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
| Deprecated tags | Occurrences |
|---|---|
| <S> | 8 |
Deprecated HTML tags are HTML tags that are no longer used. It is recommended that you remove or replace these HTML tags because they are now obsolete.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Too bad, your website has too many CSS files (more than 4). |
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Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://physlink.com/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
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