Nautil.us - SEO Checker

Overview of the SEO Check
Meta information
100% 
Page quality
91% 
Page structure
58% 
Link structure
25% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.16 s
File size
383.60 kB
Words
1697
Media files
129
Number of links
307 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Nautilus | Science Connected
The length of the page title is perfect. (264 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Nautilus is a different kind of science magazine. Our stories take you into the depths of science and spotlight its ripples in our lives and cultures.
The length of the meta description is perfect. (881 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://nautil.us/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: Canada
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
descriptionNautilus is a different kind of science magazine. Our stories take you into the depths of science and spotlight its ripples in our lives and cultures.
generatorSite Kit by Google 1.151.0
article:modified_time2023-03-31T19:39:07+00:00
langen-us
twitter:cardsummary_large_image
twitter:titleNautilus | Science Connected
og:localeen_US
og:typewebsite
og:titleNautilus | Science Connected
og:descriptionNautilus is a different kind of science magazine. Our stories take you into the depths of science and spotlight its ripples in our lives and cultures.
og:urlhttps://nautil.us/
og:site_nameNautilus
og:imagehttps://assets.nautil.us/sites/3/nautilus/nautilus-vert-large-H-RGB_twitter.png?auto=compress&fm=png&ixlib=php-3.3.1
og:image:width2400
og:image:height1500
og:image:typeimage/png
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 1697 words. That's ok.
31.3% 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.
11 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 22.67 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)
The usage of strong and bold tags is perfect. We recommend the use of up to 34 tags for this page.
Image SEO
(Somewhat important)
39 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
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...block-theme/images/icons/search-dark.svgsearch icon
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...h=55&ixlib=php-3.3.1&w=300&wpsize=mediumNo alt attribute provided
...h=55&ixlib=php-3.3.1&w=300&wpsize=mediumNo alt attribute provided
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...lock-theme/images/icons/twitter-icon.svgtwitter-icon
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...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
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...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
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...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
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...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
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...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Image
...pg?auto=compress&fm=pjpg&ixlib=php-3.3.1banner-image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...p-3.3.1?crop=entropy&fit=crop&h=110&w=75No alt attribute provided
...?q=65&auto=format&w=700&ar=16:9&fit=cropArticle Recirculation Lead Image
...utilus-block-theme/images/logo/light.svglogo
...ock-theme/images/icons/facebook-icon.svgFacebook
...lock-theme/images/icons/twitter-icon.svgTwitter
...ck-theme/images/icons/instagram-icon.svgInstagram

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 75 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 The Porthole
H2 Culture
H2 Mind
H2 Life
H2 Ocean
H2 Cosmos
H2 Earth
H2 The Animal Issue
H2 The Kinship Issue
H2 The Reality Issue
H2 The Rebel Issue
H2 The Dawn of Bathtub Cosmology
H2 How Optimists Are Alike
H2 The Exoplanet That Wasn’t
H2 Can You Name That Tune?
H2 Our Windy Planet
H2 Viruses That Roam the Fungal Kingdom
H2 Anteaters Have Evolved More Than a Dozen Times
H2 The “We Evolved to Eat Meat” Argument Doesn’t Hold Up
H2 The Inner Lives of Cells
H2 New Sea Slug Species or Gummy Candy?
H2 The Heaven and Earth Bird
H2 Neanderthals Might Have Shared Family Recipes
H2 How Heat Hurts Teamwork
H2 Nice Microbes Finish First
H2 Charting the Blue Realm
H2 When Earth Had No Fire
H2 Rhino Rebound
H2 A (Complicated) Ode to the Honeybee
H2 Is the Show Finally Over for These Whales and Dolphins?
H2 Behold These Hidden Galaxies
H2 NAUTILUS: SCIENCE CONNECTED
H3 Marking Time in a Changing World
H3 What We Still Get Wrong About Psychopaths
H3 The Oldest Rock on Earth
H3 This Cloud Forest Should Not Exist
H3 The Dangers of Hot Air
H3 Stabbing Starfish to Save the Reefs
H3 How to Thwart Internet Scams
H3 The Nautilus Summer Reading List
H3 AI Already Knows Us Too Well
H3 What We Misunderstand About Robots
H3 Is the State of the World Causing You Pain?
H3 Does Anybody Really Know What Time Is?
H3 Is It Cake? How Our Brain Deciphers Materials
H3 How To Tell If You’re Dead
H3 Evolution and Guinea Pig Toes
H3 It’s the Secret Doctors Keep from You
H3 We Are the Ocean
H3 Hope Catches a Tailwind
H3 Our Boiling Seas
H3 Stranger Things in the Universe
H3 Neutron Stars Hint at Another Dimension
H3 Intelligent Life May Be Hiding in the Moons
H3 The Stories Rocks Tell Us
H3 The Extraordinary, Imperiled Science at the End of the Earth
H3 High Mountains, Ancient Shells, and the Wonder of Deep Time
H3 The Mathematical Mysteries of Fireflies
H3 Manta Rays at Play
H3 How Animals Understand Death
H3 The Sean Carrolls Explain the Universe
H3 We Are Light-Eaters
H3 Back to the Galapagos
H3 The Reality Ouroboros
H3 Why Physics Is Unreasonably Good at Creating New Math
H3 What Makes a Memory Real?
H3 The Soviet Rebel of Music
H3 The Animals That Turn Bodily Fluids into Weapons
H3 How Whales Could Help Us Speak to Aliens
H4 Already a member? Log in
H4 Get the Nautilus newsletter
H5 Introducing Mobilize for the Ocean
H6 Short sharp looks at science
H6 Quick links
H6 Social
Some internal link anchor texts are too long.
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.
The number of internal links is ok.
There are 9 external links on this page.
LinkAttributesAnchor text
https://nautil.us/IMG-ALT logo
https://nautil.us/Text duplicate IMG-ALT logo
https://nautil.us/concierge-loginLog in
/join/?utm_source=nautilus-sit...Subscribe
https://nautil.us/about-us/About
https://nautil.us/contact/Contact us
https://nautil.us/newsletter/Newsletter
https://nautil.us/join/Become a member
https://nautil.us/shop/Shop
https://nautil.us/art-science/Art+Science
https://nautil.us/biology-beyond/Biology + Beyond
https://nautil.us/cosmos/Cosmos
https://nautil.us/culture/Culture
https://nautil.us/earth/Earth
https://nautil.us/life/Life
https://nautil.us/mind/Mind
https://nautil.us/ocean/Ocean
https://nautil.us/one-question/One Question
https://nautil.us/abstractions/Quanta Abstractions
https://nautil.us/rewilding/Rewilding
/ballotbox-science/Science at the Ballot Box
IMG-ALT science at the ballot box
https://nautil.us/alliance/Science Philanthropy Alliance
https://nautil.us/spark/Spark of Science
https://nautil.us/animal/The Animal Issue
https://nautil.us/kinship/The Kinship Issue
https://nautil.us/the-porthole/The Porthole
https://nautil.us/reality/The Reality Issue
https://nautil.us/rebel/The Rebel Issue
https://nautil.us/wise/Women in Science & Engineering
/topics/anthropology/Anthropology
https://nautil.us/topics/arts/Arts
/topics/astronomy/Astronomy
/topics/communication/Communication
/topics/economics/Economics
/topics/environment/Environment
/topics/evolution/Evolution
https://nautil.us/topics/general/General
/topics/genetics/Genetics
/topics/geoscience/Geoscience
https://nautil.us/topics/health/Health
https://nautil.us/topics/history/History
https://nautil.us/topics/math/Math
/topics/microbiology/Microbiology
/topics/neuroscience/Neuroscience
/topics/paleontology/Paleontology
/topics/philosophy/Philosophy
https://nautil.us/topics/physics/Physics
/topics/psychology/Psychology
/topics/sociology/Sociology
/topics/technology/Technology
https://nautil.us/topics/zoology/Zoology
https://nautil.us/concierge-loginText duplicate Log in
https://www.facebook.com/Nauti...New window External Subdomain IMG-ALT facebook-icon
https://twitter.com/NautilusMagNew window External IMG-ALT twitter-icon
https://nautil.us/joinText duplicate Subscribe
/topics/anthropology/New window Text duplicate Anthropology
IMG-ALT topic
https://nautil.us/topics/arts/New window Text duplicate Arts
IMG-ALT topic
/topics/astronomy/New window Text duplicate Astronomy
IMG-ALT topic
/topics/communication/New window Text duplicate Communication
IMG-ALT topic
/topics/economics/New window Text duplicate Economics
IMG-ALT topic
/topics/environment/New window Text duplicate Environment
IMG-ALT topic
/topics/evolution/New window Text duplicate Evolution
IMG-ALT topic
/topics/genetics/New window Text duplicate Genetics
IMG-ALT topic
/topics/geoscience/New window Text duplicate Geoscience
IMG-ALT topic
https://nautil.us/topics/health/New window Text duplicate Health
IMG-ALT topic
https://nautil.us/topics/history/New window Text duplicate History
IMG-ALT topic
https://nautil.us/topics/math/New window Text duplicate Math
IMG-ALT topic
/topics/microbiology/New window Text duplicate Microbiology
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/topics/neuroscience/New window Text duplicate Neuroscience
IMG-ALT topic
/topics/paleontology/New window Text duplicate Paleontology
IMG-ALT topic
/topics/philosophy/New window Text duplicate Philosophy
IMG-ALT topic
https://nautil.us/topics/physics/New window Text duplicate Physics
IMG-ALT topic
/topics/psychology/New window Text duplicate Psychology
IMG-ALT topic
/topics/sociology/New window Text duplicate Sociology
IMG-ALT topic
/topics/technology/New window Text duplicate Technology
IMG-ALT topic
https://nautil.us/topics/zoology/New window Text duplicate Zoology
IMG-ALT topic
/marking-time-in-a-changing-wo...Anthropology Marking Time in a Changing World Climate change is throwing traditional calendars into disarray By Katarina Zimmer July 24, 2025
IMG-ALT Article Lead Image
/what-we-still-get-wrong-about...IMG-ALT Article Image
/topics/neuroscience/Text duplicate Neuroscience
/what-we-still-get-wrong-about...What We Still Get Wrong About Psychopaths
/the-oldest-rock-on-earth-1226...Text duplicate IMG-ALT Article Image
/topics/geoscience/Text duplicate Geoscience
/the-oldest-rock-on-earth-1226...The Oldest Rock on Earth
/this-cloud-forest-should-not-...Text duplicate IMG-ALT Article Image
/topics/environment/Text duplicate Environment
/this-cloud-forest-should-not-...This Cloud Forest Should Not Exist
https://nautil.us/the-porthole/Text duplicate The Porthole
/the-dangers-of-hot-air-1226818/Text duplicate IMG-ALT Article Image
https://nautil.us/topics/history/Text duplicate History
/the-dangers-of-hot-air-1226818/The Dangers of Hot Air
/stabbing-starfish-to-save-the...Text duplicate IMG-ALT Article Image
/topics/environment/Text duplicate Environment
/stabbing-starfish-to-save-the...Stabbing Starfish to Save the Reefs
/how-to-thwart-internet-scams-...Text duplicate IMG-ALT Article Image
/topics/technology/Text duplicate Technology
/how-to-thwart-internet-scams-...How to Thwart Internet Scams
https://nautil.us/join/New window Join now
https://nautil.us/culture/Text duplicate Culture
/the-nautilus-summer-reading-l...Text duplicate IMG-ALT Article Image
https://nautil.us/topics/arts/Text duplicate Arts
/the-nautilus-summer-reading-l...The Nautilus Summer Reading List
/ai-already-knows-us-too-well-...Text duplicate IMG-ALT Article Image
/topics/technology/Text duplicate Technology
/ai-already-knows-us-too-well-...AI Already Knows Us Too Well
/what-we-misunderstand-about-r...Text duplicate IMG-ALT Article Image
https://nautil.us/topics/arts/Text duplicate Arts
/what-we-misunderstand-about-r...What We Misunderstand About Robots
https://nautil.us/mind/Text duplicate Mind
/is-the-state-of-the-world-cau...Text duplicate IMG-ALT Article Image
/topics/psychology/Text duplicate Psychology
/is-the-state-of-the-world-cau...Is the State of the World Causing You Pain?
/does-anybody-really-know-what...Text duplicate IMG-ALT Article Image
/topics/neuroscience/Text duplicate Neuroscience
/does-anybody-really-know-what...Does Anybody Really Know What Time Is?
/is-it-cake-how-our-brain-deci...Text duplicate IMG-ALT Article Image
/topics/neuroscience/Text duplicate Neuroscience
/is-it-cake-how-our-brain-deci...Is It Cake? How Our Brain Deciphers Materials
https://nautil.us/life/Text duplicate Life
/how-to-tell-if-youre-dead-121...Text duplicate IMG-ALT Article Image
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