National-aquarium.co.uk - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
86% 
Page structure
95% 
Link structure
61% 
Server
48% 
External factors
100% 
SEO Score
Response time
6.25 s
File size
93.50 kB
Words
668
Media files
28
Number of links
66 internal / 38 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
UK's Largest Aquarium | The National Marine Aquarium
The length of the page title is perfect. (492 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
National Marine Aquarium in Plymouth, the UK's National Aquarium, a top family day out in Devon & home of the Ocean Conservation Trust
The length of the meta description is perfect. (856 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.national-aquarium.co.uk/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United Kingdom of Great Britain and Northern Ireland
The following language is defined by HTML: en
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=1.0
application-name 
msapplication-TileColor#FFFFFF
msapplication-TileImagehttps://www.national-aquarium.co.uk/wp-content/themes/NMA2020/favicons/mstile-144x144.png?v=1
msapplication-square70x70logohttps://www.national-aquarium.co.uk/wp-content/themes/NMA2020/favicons/mstile-70x70.png?v=1
msapplication-square150x150logohttps://www.national-aquarium.co.uk/wp-content/themes/NMA2020/favicons/mstile-150x150.png?v=1
msapplication-wide310x150logohttps://www.national-aquarium.co.uk/wp-content/themes/NMA2020/favicons/mstile-310x150.png?v=1
msapplication-square310x310logohttps://www.national-aquarium.co.uk/wp-content/themes/NMA2020/favicons/mstile-310x310.png?v=1
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionNational Marine Aquarium in Plymouth, the UK's National Aquarium, a top family day out in Devon & home of the Ocean Conservation Trust
generatorWordPress 6.8.1
article:modified_time2025-06-25T10:05:18+00:00
langen
twitter:cardsummary_large_image
og:localeen_GB
og:typewebsite
og:titleUK's Largest Aquarium | The National Marine Aquarium
og:descriptionNational Marine Aquarium in Plymouth, the UK's National Aquarium, a top family day out in Devon & home of the Ocean Conservation Trust
og:urlhttps://www.national-aquarium.co.uk/
og:site_nameNational Marine Aquarium
Content-Typetext/html;charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 668 words. That's ok.
30.4% 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 19.5 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 11 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" 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 13 tags for this page.
Image SEO
(Somewhat important)
16 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
...t/themes/NMA2020/img/nma-logo-white2.pngNational Marine Aquarium
...t/themes/NMA2020/img/nma-logo-white2.pngNational Marine Aquarium
/wp-content/uploads/IMG_0993-1920x1080.jpgNo alt attribute provided
/wp-content/uploads/fish-solid.pngfish-solid
/wp-content/uploads/ticket-solid-5-1.pngticket-solid-5-1
/wp-content/uploads/OCT-logo-ON-WHITE.pngOCT-logo-ON-WHITE
/wp-content/uploads/clock-solid.pngclock-solid
.../uploads/SleepingSharks-24-smaller-1.jpgNo alt attribute provided
/wp-content/uploads/Gift-Aid-Website-1.pngNo alt attribute provided
.../uploads/Snorkel-@-Aquarium-Aug22-16.jpgNo alt attribute provided
...nt/uploads/Enhanced-3-copy-smaller-2.jpgNo alt attribute provided
/wp-content/themes/NMA2020/img/oct.svgOCT
...tent/uploads/thinkocean-black-scaled.jpgNo alt attribute provided
/wp-content/uploads/biaza-logo-1-1.jpgNo alt attribute provided
/wp-content/uploads/Green-Tourism.jpegNo alt attribute provided
...tent/uploads/heritage-lottery-fund-1.pngNo alt attribute provided
/wp-content/uploads/vospers-logo-1-1.jpgNo alt attribute provided
.../uploads/devon-chamber-of-commerce-1.pngNo alt attribute provided
...n-Quality-Assured-Visitor-Attraction.jpgNo alt attribute provided
...ds/plymouth-waterfront-partnership-1.pngNo alt attribute provided
/wp-content/uploads/princess-yachts.jpgNo alt attribute provided
/wp-content/uploads/MCL-Medics-Logo.jpgNo alt attribute provided
...ontent/uploads/Plymouth_Citybus_2020.pngNo alt attribute provided
...nt/themes/NMA2020/img/nma-logo-blue2.pngNational Marine Aquarium
...ent/themes/NMA2020/img/flags/germany.svgGerman
...tent/themes/NMA2020/img/flags/france.svgFrench
...ntent/themes/NMA2020/img/flags/spain.svgSpanish

Page structure

H1 heading
(Critically important)
The H1 heading is empty
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Empty heading
H2 Empty heading
H2 Latest News
H2 News & Updates
H3 at a glance
H3 Explore our Aquarium
H3 From Chelsea to the coast: Blue Mind Garden finds a permanent home at the National Marine Aquarium
H3 Plymouth Half Marathon Disruption 11th May
H3 Larry the Lobster update
H4 Visit Us
H4 Day tickets
H4 EXPERIENCES
H4 LEARN AT THE AQUARIUM
H4 Pre-book tickets
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.
There are too many external links (38) on this page.

Found links on this page

LinkAttributesAnchor text
/visit-us/Subdomain VisitView all options
/book-tickets/Subdomain Book Tickets & Prices
/visit-us/visitor-information/Subdomain Plan Your visit
/accessibility/Subdomain Accessibility & Community Groups
https://oceanconservationtrust...External Learning & Education
/explore/aquarium-zones/Subdomain Aquarium Zones
/gift-vouchers/Subdomain Vouchers
/visit-us/faqs/Subdomain FAQs
/experiences-events/Subdomain Experiences
/about-us/Subdomain About UsView all options
https://oceanconservationtrust...External Our Charity
/explore/animal-husbandry/Animal Care
/secrets-of-the-aquarium/Subdomain Secrets of The Aquarium
/explore/ocean-discovery-team/Ocean Discovery Ranger Team
/work-with-us/Subdomain Work With Us
/explore/conservation-projects...Subdomain Mindfulness and Wellbeing
/venue/Subdomain VenueView all options
/venue/corporate-events/Subdomain Meetings & Events at the Aquarium
/venue/filming-at-the-aquarium/Subdomain Media & Filming at the Aquarium
/venue/private-aquarium-hire-e...Subdomain Private Hire at the Aquarium
/christmas-parties-at-the-aqua...Subdomain Christmas Parties at the Aquarium
https://nationalaquarium.digit...External Subdomain Shop
/explore/conservation-projects/Subdomain ConservationView all options
https://oceanconservationtrust...External Conservation Strategy
https://oceanconservationtrust...External Think Ocean
https://oceanconservationtrust...External Ocean Habitats
/explore/conservation-projects...Subdomain Breeding programmes
https://oceanconservationtrust...External Research
https://oceanconservationtrust...External Support Us
https://nationalaquarium.digit...External Subdomain Book Tickets
https://oceanconservationtrust...External Donate
https://nationalaquarium.digit...External Subdomain BOOK
/visit-us/Subdomain Text duplicate VisitView all options
/book-tickets/Subdomain Text duplicate Book Tickets & Prices
/visit-us/visitor-information/Subdomain Text duplicate Plan Your visit
/accessibility/Subdomain Text duplicate Accessibility & Community Groups
https://oceanconservationtrust...External Text duplicate Learning & Education
/explore/aquarium-zones/Subdomain Text duplicate Aquarium Zones
/gift-vouchers/Subdomain Text duplicate Vouchers
/visit-us/faqs/Subdomain Text duplicate FAQs
/experiences-events/Subdomain Text duplicate Experiences
/about-us/Subdomain Text duplicate About UsView all options
https://oceanconservationtrust...External Text duplicate Our Charity
/explore/animal-husbandry/Text duplicate Animal Care
/secrets-of-the-aquarium/Subdomain Text duplicate Secrets of The Aquarium
/explore/ocean-discovery-team/Text duplicate Ocean Discovery Ranger Team
/work-with-us/Subdomain Text duplicate Work With Us
/explore/conservation-projects...Subdomain Text duplicate Mindfulness and Wellbeing
/venue/Subdomain Text duplicate VenueView all options
/venue/corporate-events/Subdomain Text duplicate Meetings & Events at the Aquarium
/venue/filming-at-the-aquarium/Subdomain Text duplicate Media & Filming at the Aquarium
/venue/private-aquarium-hire-e...Subdomain Text duplicate Private Hire at the Aquarium
/christmas-parties-at-the-aqua...Subdomain Text duplicate Christmas Parties at the Aquarium
https://nationalaquarium.digit...External Subdomain Text duplicate Shop
/explore/conservation-projects/Subdomain Text duplicate ConservationView all options
https://oceanconservationtrust...External Text duplicate Conservation Strategy
https://oceanconservationtrust...External Text duplicate Think Ocean
https://oceanconservationtrust...External Text duplicate Ocean Habitats
/explore/conservation-projects...Subdomain Text duplicate Breeding programmes
https://oceanconservationtrust...External Text duplicate Research
https://oceanconservationtrust...External Text duplicate Support Us
/book-tickets/Subdomain BOOK NOW
A-TITLE BOOK NOW
/visit-us/visitor-information/Subdomain PLAN YOUR VISIT
A-TITLE PLAN YOUR VISIT
/events/dine-at-the-aquarium/Subdomain Text duplicate BOOK NOW
A-TITLE BOOK NOW
/book-tickets/Book Online Now
/visit-us/visitor-informationPlan your visit
/book-tickets/Text duplicate BOOK NOW
/experiences-eventsSee our experiences
/learning-at-the-aquarium/Subdomain Learning with us
/blog/Subdomain View all
/blog/from-chelsea-to-the-coas...Subdomain From Chelsea to the coast: Blue Mind Garden finds a permanent home at the National Marine Aquarium 12 Jun 2025 A sustainable and serene garden debuted at thi...
/blog/plymouth-half-marathon-d...Subdomain Plymouth Half Marathon Disruption 11th May 09 May 2025 Britain’s Ocean City Running Festival, consisting of the Plymouth Half, Plymouth 10k and Plymouth 5k t...
/blog/larry-the-lobster-update/Subdomain Larry the Lobster update 08 May 2025 An incredible 1 million of you watched BBC2 ‘Secrets of The Aquarium‘ series last year, showcasing the dedicated… Read M...
https://mailchimp.com/legal/New window External Learn more.
https://oceanconservationtrust...New window External Find Out More
https://oceanconservationtrust...External No Text
https://biaza.org.uk/External No Text
https://www.green-tourism.com/...External Subdomain No Text
https://www.heritagefund.org.uk/External Subdomain No Text
https://www.vospers.com/External Subdomain No Text
https://www.devonchamber.co.uk/External Subdomain No Text
https://www.visitengland.com/External Subdomain No Text
https://www.waterfrontbid.co.uk/External Subdomain No Text
https://www.princessyachts.com/External Subdomain No Text
https://www.mcl-medics.com/External Subdomain No Text
https://www.plymouthbus.co.uk/External Subdomain No Text
https://twitter.com/nmaplymouthNew window External No Text
https://www.facebook.com/Natio...New window External Subdomain No Text
https://www.instagram.com/nati...New window External Subdomain No Text
https://www.youtube.com/user/N...New window External Subdomain No Text
/book-tickets/Subdomain Tickets
https://www.google.com/maps/pl...External Subdomain Get Here
/work-with-us/Subdomain Jobs
/accessibility-statement/Subdomain Accessibility Guide
/about-us/media-centre/Subdomain Media Centre
/contact-us/Subdomain Contact Us
/terms/Subdomain Terms and Conditions
/privacy-policy/Subdomain Privacy Policy
https://octshop.co.uk/External Text duplicate Shop
/our-service-standards/Subdomain Our Service Standards
/feedback/Subdomain Feedback
/germanIMG-ALT German
/frenchIMG-ALT French
/spanishIMG-ALT Spanish

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.national-aquarium.co.uk/"
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 very slow (6.25 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.
This page loads 12 CSS files. This may affect the page load time negatively.
This page loads 11 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (94 kB).

HTTP Response Header

NameValue
dateSat, 28 Jun 2025 09:10:42 GMT
serverApache
x-powered-byPHP/7.4.33
link<https://www.national-aquarium.co.uk/wp-json/>; rel="https://api.w.org/", <https://www.national-aquarium.co.uk/wp-json/wp/v2/pages/25>; rel="alternate"; title="JSON"; type="application/json", <https://www.national-aquarium.co.uk/>; rel=shortlink
cache-controlmax-age=0
expiresSat, 28 Jun 2025 09:10:42 GMT
varyAccept-Encoding
content-encodinggzip
content-length21952
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 353 referring domains.
This page has 2,997 backlinks.
This page has backlinks from 290 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
# Disallow: /

Disallow: /wp-admin/
Disallow: /wp-includes/
Allow: *.css
Allow: *.js

Similar sites

Search preview

www.national-aquarium.co.uk
UK's Largest Aquarium | The National Marine Aquarium
National Marine Aquarium in Plymouth, the UK's National Aquarium, a top family day out in Devon & home of the Ocean Conservation Trust

Most important keywords

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

KeywordResultRecheck
Aquarium81%Check
National Aquarium81%Check
National77%Check
National Marine Aquarium75%Check
Marine Aquarium74%Check
National Marine70%Check
largest Aquarium65%Check
Plymouth52%Check
UK's Largest Aquarium51%Check
Day50%Check
Show more keywords and terms

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