Sciencealert.com - SEO Checker

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Overview of the SEO Check
Meta information
73% 
Page quality
58% 
Page structure
58% 
Link structure
72% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.20 s
File size
155.80 kB
Words
317
Media files
17
Number of links
90 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
ScienceAlert : The Best in Science News And Amazing Breakthroughs
The page title should be shorter than 580 pixels. It is 626 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.
The length of the meta description is perfect. (809 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.sciencealert.com/
There is more than one canonical link on this page.
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 prev meta tag on this page.
Rel next URL https://www.sciencealert.com/page/2
The rel next and prev tags are set correctly.
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, shrink-to-fit=no, maximum-scale=12.0, minimum-scale=.25, user-scalable=yes
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionThe latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.
msapplication-TileImagehttps://www.sciencealert.com/images/2022/08/cropped-sa-rounded-favicon-270x270.png
langen-us
twitter:cardsummary_large_image
twitter:site@ScienceAlert
og:localeen_US
og:typewebsite
og:titleScienceAlert : The Best in Science News And Amazing Breakthroughs
og:descriptionThe latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.
og:urlhttps://www.sciencealert.com/
og:site_nameScienceAlert
nexthttps://www.sciencealert.com/page/2
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
No paragraphs were detected.
There are only 317 words on this page. Good pages should have about 800 words of useful content.
18.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no, maximum-scale=12.0, minimum-scale=.25, user-scalable=yes" 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 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
.../psilocybin_mushrooms_header-642x260.jpgPsilocybin Extends Life of Human Cells by 50% in Wild New Study
...ges/2025/07/apheresis_header-642x260.jpgblood in a tube on back of hand
/images/2025/07/human-retina-642x260.jpgcloseup of human retina
/images/2025/07/CandidaAlbicans-642x260.jpgCommon Blood Protein Turns Yeast Infections Into Potential Killers
.../2025/07/pool_hygiene_header-642x260.jpggirl underwater in a pool
...5/07/walking_up_steps_header-642x260.jpgperson walking up steps
/images/2025/07/NeuronGraphic-642x260.jpgNeuron imagery
...5/07/Cambrian-e1753246870197-642x260.pngStunning Grand Canyon Fossils Reveal Evolution's Weird Experiments
...s/2025/07/vagus_nerve_header-642x260.jpgvagus nerve
/images/2025/07/ReptileCrest-642x260.jpgNeither Scales Nor Feathers: Bizarre Appendage Discovered on Reptile Fossil
/images/2025/07/meteor-crater-642x260.jpgmeteor crater
...bleach_drinking_trend_header-642x260.jpgwoman drinking from glass
.../07/Chikungunya_virus_header-642x260.jpgchikungunya virus graphic
/images/2025/07/3i-atlas-gemini-642x260.jpg3I atlas
...25/07/titan-lake-evaporating-642x260.jpgEarly Forms of Cells Could Form in The Lakes of Saturn's Moon Titan
...2025/07/strange-object-chime-642x260.jpgBlinking 'Unicorn' Discovered in Space a One-of-a-Kind Object
...2025/07/SpiderSisterRelative-642x260.jpg500-Million-Year-Old Fossil Suggests Ocean Origin For Spiders

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
Some anchor texts are used more than once.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.sciencealert.com/Subdomain No Text
https://www.sciencealert.com/Subdomain No Text
/spaceSubdomain Space
/healthSubdomain Health
/environmentSubdomain Environment
/humansSubdomain Humans
https://www.sciencealert.com/techSubdomain Tech
/natureSubdomain Nature
/physicsSubdomain Physics
/societySubdomain Society
/opinionSubdomain Opinion
/explainerSubdomain Explainer
/about-sciencealertSubdomain About Us
/our-teamSubdomain Our Team
https://www.facebook.com/Scien...New window External Subdomain No Text
https://twitter.com/ScienceAlertNew window External No Text
https://www.instagram.com/scie...New window External Subdomain No Text
https://www.sciencealert.com/feedNew window Subdomain No Text
/contact-usSubdomain Contact
/privacy-policyPrivacy
/accessibilityAccessibility
/terms-and-conditionsTerms
/psilocybin-extends-life-of-hu...Subdomain IMG-ALT Psilocybin Extends Life of Human Cells by 50% in Wild New Study
/healthSubdomain Text duplicate Health
/psilocybin-extends-life-of-hu...Subdomain Text duplicate Psilocybin Extends Life of Human Cells by 50% in Wild New Study
/this-common-blood-pressure-dr...Subdomain This Common Blood Pressure Drug Extends Lifespan, Slows Aging in Animals
/healthSubdomain Text duplicate Health
/outbreak-of-chikungunya-virus...Subdomain Outbreak of Chikungunya Virus Poses Global Risk, Warns WHO
/healthSubdomain Text duplicate Health
/one-dietary-supplement-shown-...Subdomain One Dietary Supplement Shown to Reduce Aggression by Up to 28%
/healthSubdomain Text duplicate Health
/celebrity-undergoes-controver...Subdomain IMG-ALT blood in a tube on back of hand
/celebrity-undergoes-controver...Subdomain Celebrity Undergoes Controversial Procedure to Clean Blood of Microplastics
/healthSubdomain Text duplicate Health
/covid-can-cause-alzheimers-li...Subdomain IMG-ALT closeup of human retina
/covid-can-cause-alzheimers-li...Subdomain COVID Can Cause Alzheimer's-Like Plaques in Eyes And Brain
/healthSubdomain Text duplicate Health
/common-blood-protein-turns-ye...Subdomain IMG-ALT Common Blood Protein Turns Yeast Infections Into Potential Killers
/common-blood-protein-turns-ye...Subdomain Text duplicate Common Blood Protein Turns Yeast Infections Into Potential Killers
/healthSubdomain Text duplicate Health
/that-chlorine-smell-could-be-...Subdomain IMG-ALT girl underwater in a pool
/that-chlorine-smell-could-be-...Subdomain That 'Chlorine' Smell Could Be a Deceiving Sign of a Pool's Hygiene
/healthSubdomain Text duplicate Health
/ideal-number-of-daily-steps-i...Subdomain IMG-ALT person walking up steps
/ideal-number-of-daily-steps-i...Subdomain Ideal Number of Daily Steps Isn't as Many as We've Been Told
/healthSubdomain Text duplicate Health
/guided-nanoparticles-reconnec...Subdomain IMG-ALT Neuron imagery
/guided-nanoparticles-reconnec...Subdomain Guided Nanoparticles Reconnect Brain Cells, Raising Hopes For Parkinson's Treatment
/healthSubdomain Text duplicate Health
/stunning-grand-canyon-fossils...Subdomain IMG-ALT Stunning Grand Canyon Fossils Reveal Evolution's Weird Experiments
/stunning-grand-canyon-fossils...Subdomain Text duplicate Stunning Grand Canyon Fossils Reveal Evolution's Weird Experiments
/natureSubdomain Text duplicate Nature
/an-extra-sense-may-connect-gu...Subdomain IMG-ALT vagus nerve
/an-extra-sense-may-connect-gu...Subdomain An Extra Sense May Connect Gut Bacteria With Our Brain
/humansSubdomain Text duplicate Humans
/neither-scales-nor-feathers-b...Subdomain IMG-ALT Neither Scales Nor Feathers: Bizarre Appendage Discovered on Reptile Fossil
/neither-scales-nor-feathers-b...Subdomain Text duplicate Neither Scales Nor Feathers: Bizarre Appendage Discovered on Reptile Fossil
/natureSubdomain Text duplicate Nature
/americas-largest-crater-has-s...Subdomain IMG-ALT meteor crater
/americas-largest-crater-has-s...Subdomain America's Largest Crater Has Surprise Link to Grand Canyon, Study Finds
/natureSubdomain Text duplicate Nature
/buzzwords-mask-risks-of-new-b...Subdomain IMG-ALT woman drinking from glass
/buzzwords-mask-risks-of-new-b...Subdomain Buzzwords Mask Risks of New Bleach Drinking Wellness Trend
/healthSubdomain Text duplicate Health
/outbreak-of-chikungunya-virus...Subdomain IMG-ALT chikungunya virus graphic
/outbreak-of-chikungunya-virus...Subdomain Text duplicate Outbreak of Chikungunya Virus Poses Global Risk, Warns WHO
/healthSubdomain Text duplicate Health
/is-3i-atlas-comet-an-alien-pr...Subdomain IMG-ALT 3I atlas
/is-3i-atlas-comet-an-alien-pr...Subdomain Is 3I/ATLAS 'Comet' an Alien Probe? These Are The Signs to Look For.
/spaceSubdomain Text duplicate Space
/early-forms-of-cells-could-fo...Subdomain IMG-ALT Early Forms of Cells Could Form in The Lakes of Saturn's Moon Titan
/early-forms-of-cells-could-fo...Subdomain Text duplicate Early Forms of Cells Could Form in The Lakes of Saturn's Moon Titan
/spaceSubdomain Text duplicate Space
/blinking-unicorn-discovered-i...Subdomain IMG-ALT Blinking 'Unicorn' Discovered in Space a One-of-a-Kind Object
/blinking-unicorn-discovered-i...Subdomain Text duplicate Blinking 'Unicorn' Discovered in Space a One-of-a-Kind Object
/spaceSubdomain Text duplicate Space
/500-million-year-old-fossil-s...Subdomain IMG-ALT 500-Million-Year-Old Fossil Suggests Ocean Origin For Spiders
/500-million-year-old-fossil-s...Subdomain Text duplicate 500-Million-Year-Old Fossil Suggests Ocean Origin For Spiders
/natureSubdomain Text duplicate Nature
/page/2Subdomain 2
/page/3Subdomain 3
/page/4Subdomain 4
/page/5Subdomain 5
/archiveSubdomain View Archive
/page/2Subdomain Text duplicate 2
/page/3Subdomain Text duplicate 3
/page/4Subdomain Text duplicate 4
/page/5Subdomain Text duplicate 5
/page/6Subdomain 6
/page/7Subdomain 7
/page/8Subdomain 8
/page/9Subdomain 9
/archiveSubdomain Text duplicate View Archive

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.sciencealert.com/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.20 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (156 kB).

HTTP Response Header

NameValue
dateThu, 24 Jul 2025 17:36:28 GMT
content-typetext/html; charset=UTF-8
cf-ray96452e0f79926fe1-CDG
cf-cache-statusEXPIRED
cache-controlpublic, max-age=14400
expiresThu, 24 Jul 2025 21:36:28 GMT
last-modifiedThu, 24 Jul 2025 17:36:28 GMT
strict-transport-securitymax-age=31536000
varyAccept-Encoding
cf-apo-viaorigin,miss
cf-edge-cachecache,platform=wordpress
ki-cache-typeNone
ki-cf-cache-statusBYPASS
ki-edgev=21.1.1;mv=5.0.10
ki-edge-o2oyes
nel{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
referrer-policystrict-origin-when-cross-origin
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=sRNpWfSTw1yEp4kC5i%2B8qISlXIJ8aPXqeK8ORPe%2BcEbRLmFGISIOH4mnoxy7MnQb3DjZVE4Gx1UwKxW5hIzoSn5ZNYvlhfmV%2Fr%2BYP67KKeWSxH3xFTfXeK2W7vOpTlGRRgGXAxxs"}],"group":"cf-nel","max_age":604800}
x-content-type-optionsnosniff
x-edge-location-klb1
x-frame-optionsSAMEORIGIN
x-kinsta-cacheHIT
x-powered-by
x-xss-protection1; mode=block
servercloudflare
content-encodingbr
alt-svch3=":443"; ma=86400
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 2,351 referring domains.
This page has 45,709 backlinks.
This page has backlinks from 1,923 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wp-admin/
Disallow: /*?s=
Disallow: /*?ignore_amp
Disallow: /*?perpetual=
Disallow: /*&limitstart=
Disallow: /*?limitstart=
Disallow: /*?utm_campaign=
Disallow: /*?utm_content=
Disallow: /*?utm_medium=
Disallow: /*?utm_source=
Disallow: /*?ref=
Disallow: /*?trk=
Disallow: /*?fbclid=
Disallow: /*?curator=
Disallow: /*?alm_mvr=
Disallow: /*?utm_=
Disallow: /wp-login.php
Disallow: /wp-json/ 
Disallow: /?rest_route= 
Allow: /wp-admin/admin-ajax.php

Sitemap: https://www.sciencealert.com/sitemap_index.xml
Sitemap: https://www.sciencealert.com/30-day-sitemap.xml
Sitemap: https://www.sciencealert.com/news-sitemap.xml

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Search preview

www.sciencealert.com
ScienceAlert : The Best in Science News And Amazing Breakthroughs
The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.

Most important keywords

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

KeywordResultRecheck
Science News61%Check
ScienceAlert59%Check
News58%Check
Latest News52%Check
Space48%Check
Health46%Check
Environment46%Check
Nature46%Check
Tech46%Check
Daily News46%Check
Show more keywords and terms

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