Marinemammalcenter.org - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
99% 
Page quality
100% 
Page structure
77% 
Link structure
43% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.89 s
File size
139.80 kB
Words
1190
Media files
49
Number of links
182 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | The Marine Mammal Center
The length of the page title is perfect. (317 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
The length of the meta description is perfect. (790 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.marinemammalcenter.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
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 name is very long.
The domain is no subdomain.
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
generatorOctoberCMS
theme-color#2A4EC0
descriptionThe Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
authorOctoberCMS
langen
twitter:titleHome | The Marine Mammal Center
twitter:cardsummary
twitter:descriptionThe Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
twitter:imagehttps://www.marinemammalcenter.org/storage/app/uploads/public/f88/81c/668/thumb__2400_0_0_0_auto.jpg
og:urlhttps://www.marinemammalcenter.org
og:typearticle
og:titleHome | The Marine Mammal Center
og:descriptionThe Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
og:imagehttps://www.marinemammalcenter.org/storage/app/uploads/public/f88/81c/668/thumb__2400_0_0_0_auto.jpg
X-UA-CompatibleIE=edge
charsetutf-8

Automatically check marinemammalcenter.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
This page contains 1190 words. That's ok.
23.7% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
14 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 19.26 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 24 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
.../assets/images/50th Anniversary Logo.pngThe Marine Mammal Center 50th Anniversary Logo
Video URLWidthHeight
...=https://marine-mammal-center.lvh/&rel=0100%

Page structure

H1 heading
(Critically important)
The Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
The H1 heading is perfect.
Headings
(Important)
There are 36 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 The Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.
H2 Triple Your Impact for a Pup
H2 Our Sausalito Hospital & Visitor Center is Open to the Public
H2 What We're Working On
H2 Ways to Give
H2 What's New
H2 Adopt An Animal
H2 The Marine Mammal Center In The News
H2 Get marine mammal updates delivered directly to your inbox
H3 Plan Your Visit
H3 See Our New Exhibits
H3 Explore Our Tours & Programs
H3 Hawaiian Monk Seal Conservation
H3 Climate Change
H3 Sustainable Seafood
H3 Cetacean Conservation
H3 Enrichment
H3 Cancer
H3 Ocean Trash
H3 Make a Gift in Honor/Memory
H3 Adopt-a-Seal®
H3 Leave a Legacy Gift in Your Will
H3 5 Ways to Celebrate Earth Day
H3 Meaningful Mother’s Day Gifts for Ocean Lovers
H3 Your Guide to Seeing Harbor Seal Pups in California
H3 Pup Madness
H3 What is the Loudest Animal on Earth? And Other Animal Trivia
H3 What it Takes to Rescue an Entangled Sea Lion
H3 Reina
H3 Shrub
H3 Mayhem
H4 Visit the world’s largest marine mammal hospital to see animal care experts providing life-saving care to patients so they can be released back to the wild. Tickets are free but must be booked onli...
H4 Animal Care
H4 Science & Conservation
H4 Education
H4 Get Involved
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.
There are 6 links with a trivial anchor text.
The number of internal links is ok.
There are 19 external links on this page.

Found links on this page

LinkAttributesAnchor text
/Anchor Skip to main content
/Anchor Text duplicate Skip to main content
/visitVisit
https://shop.marinemammalcente...External Subdomain Shop
/about-usAbout Us
/get-involved/ways-to-giveWays to Give
/report-an-animalReport an Animal
/sign-inSign In
/The Marine Mammal Center
IMG-ALT The Marine Mammal Center 50th Anniversary Logo
/animal-care/our-patientsOur Patients
/patients/nfs-564Subdomain Brion
/patients/hs-3056Subdomain Cyrus
/patients/hms-22Subdomain RH38
/animal-care/patient-journeyPatient Journey
/animal-care/patient-journey/r...Rescue
/animal-care/patient-journey/r...Rehabilitation
/animal-care/patient-journey/r...Release
/animal-care/patient-journey/p...Research
/animal-care/learn-about-marin...Learn About Marine Mammals
/animal-care/learn-about-marin...Cetaceans
/animal-care/learn-about-marin...Pinnipeds
/animal-care/learn-about-marin...Sea Otters
/animal-care/learn-about-marin...Polar Bears
/animal-care/learn-about-marin...Manatees and Dugongs
/science-conservation/research...Research Library
/science-conservation/research...Leptospirosis
/science-conservation/research...Domoic Acid Toxicosis
/science-conservation/research...Cancer
/science-conservation/research...Enrichment
/science-conservation/conserva...Conservation
/science-conservation/conserva...Cetacean Conservation
/science-conservation/conserva...Hawaiian Monk Seal Conservation
/science-conservation/conserva...Climate Change
/science-conservation/conserva...Sustainable Seafood
/science-conservation/conserva...Ocean Trash
/science-conservation/our-expertsOur Experts
/science-conservation/our-expe...Veterinary Care
/science-conservation/our-expe...Text duplicate Research
/science-conservation/our-expe...Response
/science-conservation/our-expe...Education
/education/adults-familiesYouth, Adults & Families
/education/adults-families/mar...Marine Science Sunday
/education/adults-families/hig...High School Programs
/education/adults-families/mid...Middle School Programs
/education/adults-families/haw...Hawaiʽi Education Programs
/education/adults-families/onl...Online Learning Resources & Podcast
/education/educatorsEducators
/education/educators/ocean-amb...Ocean Ambassadors | California
/education/educators/na-kokua-...Nā Kōkua o ke Kai | Hawaiʽi
/education/educators/monk-seal...Monk Seal Moʻolelo | Hawaiʽi
/education/educatorsEducator Guides & Curriculum
/visit/toursSchool Tours | California
/education/veterinary-professi...Veterinary Professionals
/education/veterinary-professi...Teaching Hospital Programs
/opportunitiesCurrent Openings
/opportunitiesOther Internship Opportunities
/get-involved/volunteerVolunteer
/get-involved/volunteer/sausalitoSausalito and San Francisco Bay Area
/get-involved/volunteer/san-lu...San Luis Obispo
/get-involved/volunteer/sonoma...Sonoma and Mendocino
/get-involved/volunteer/monter...Monterey and Santa Cruz
/get-involved/volunteer/hawaiiHawai`i
/get-involved/eventsEvents
/get-involved/events/pup-madnessPup Madness
/education/adults-families/mar...Text duplicate Marine Science Sunday
/education/adults-families/ste...Stewardship Saturday
/get-involved/ways-to-give/don...Giving Tuesday
/get-involved/ways-to-giveText duplicate Ways to Give
/get-involved/ways-to-give/don...Donations, Stock & IRA Gifts
/get-involved/ways-to-give/leg...Legacy Gifts & Planned Giving
/get-involved/ways-to-give/mem...Memberships
/get-involved/ways-to-give/ado...Adopt-a-Seal®
/get-involved/ways-to-give/par...Corporate and Foundation Giving
https://give.marinemammalcente...External Subdomain Donate
/Home
/animal-care/our-patientsText duplicate Our Patients
/animal-care/patient-journeyText duplicate Patient Journey
/animal-care/learn-about-marin...Text duplicate Learn About Marine Mammals
/science-conservation/research...Text duplicate Research Library
/science-conservation/conserva...Text duplicate Conservation
/science-conservation/our-expertsText duplicate Our Experts
/education/adults-familiesText duplicate Youth, Adults & Families
/education/educatorsText duplicate Educators
/education/veterinary-professi...Text duplicate Veterinary Professionals
/education/podcastSentinels of the Sea Podcast
/get-involved/volunteerText duplicate Volunteer
/get-involved/eventsText duplicate Events
/get-involved/ways-to-giveText duplicate Ways to Give
/report-an-animalText duplicate Report an Animal
https://give.marinemammalcente...External Subdomain Text duplicate Donate
/about-usText duplicate About Us
/contactContact Us
/featured-newsNews
https://shop.marinemammalcente...External Subdomain Store
/visitText duplicate Visit
https://give.marinemammalcente...External Subdomain Text duplicate Donate
/faqFAQ
/opportunitiesOpportunities
/impact-reportsImpact Reports
/sign-inText duplicate Sign In
https://give.marinemammalcente...External Subdomain Triple my impact!
/animal-care/patient-journey/r...marine mammal rescue and rehabilitation
/science-conservation/research...research
/education/adults-familieseducation
/report-an-animalText duplicate Report an Animal
https://give.marinemammalcente...External Subdomain Text duplicate Donate
https://www.eventbrite.com/e/v...External Subdomain Reserve Tickets Today!
https://www.eventbrite.com/e/v...New window External Subdomain Reserve your spot today!
/visit/getting-hereIMG-ALT view of the ocean from the front patio with sea lion sculpture in the foreground
/visit/getting-herePlan Your Visit
/news/the-marine-mammal-center...Subdomain IMG-ALT exhibit hall at the marine mammal center
/news/the-marine-mammal-center...Subdomain See Our New Exhibits
/visit/toursIMG-ALT tour guide with a group at the Observation Deck looking out at patients
/visit/toursExplore Our Tours & Programs
/celebrating-50-years-of-the-m...Subdomain Celebrating 50 Years of The Marine Mammal Center
/science-conservation/conserva...IMG-ALT Two Hawaiian monk seals sleeping on the beach.
/science-conservation/conserva...Text duplicate Hawaiian Monk Seal Conservation
/science-conservation/conserva...IMG-ALT whale feeding with oil rig in background
/science-conservation/conserva...Text duplicate Climate Change
/science-conservation/conserva...IMG-ALT harbor seal Woody eating a fish
/science-conservation/conserva...Text duplicate Sustainable Seafood
/science-conservation/conserva...IMG-ALT humpback whale breaching in front of San Francisco
/science-conservation/conserva...Text duplicate Cetacean Conservation
/science-conservation/research...IMG-ALT northern elephant seal Mardi peers up from inside an enrichment item made from PVC pipe, fake kelp and red buoys
/science-conservation/research...Text duplicate Enrichment
/science-conservation/research...IMG-ALT California sea lion with mouth open
/science-conservation/research...Text duplicate Cancer
/science-conservation/conserva...IMG-ALT Hawaiian monk seal tangled in fishing gear
/science-conservation/conserva...Text duplicate Ocean Trash
https://give.marinemammalcente...New window External Subdomain Donate Now
/get-involved/ways-to-give/don...Subdomain Anchor IMG-ALT humpback whale leaping out of the water
/get-involved/ways-to-give/don...Subdomain Anchor Make a Gift in Honor/Memory
https://shop.marinemammalcente...External Subdomain IMG-ALT group of harbor seals at the marine mammal center
https://shop.marinemammalcente...External Subdomain Text duplicate Adopt-a-Seal®
/get-involved/ways-to-give/leg...IMG-ALT trio of California sea lions returning to the wild
/get-involved/ways-to-give/leg...Leave a Legacy Gift in Your Will
/featured-newsSubdomain See all news
/sign-up-for-emailsigning up for email updates
/news/5-ways-to-celebrate-eart...Subdomain IMG-ALT An Earth Day graphic of people holding the planet, recycling, planting a tree and moving a solar panel.
/news/5-ways-to-celebrate-eart...Subdomain 5 Ways to Celebrate Earth Day
/news/eco-friendly-mothers-day...Subdomain IMG-ALT sea otter mother and pup
/news/eco-friendly-mothers-day...Subdomain Meaningful Mother’s Day Gifts for Ocean Lovers
/news/your-guide-to-seeing-har...Subdomain IMG-ALT A group of harbor seal pups and mothers on the beach during pupping season.
/news/your-guide-to-seeing-har...Subdomain Your Guide to Seeing Harbor Seal Pups in California
/get-involved/events/pup-madnessIMG-ALT northern elephant seal pup Emerald with Pup Madness graphic
/get-involved/events/pup-madnessText duplicate Pup Madness
/news/what-is-the-loudest-anim...Subdomain IMG-ALT A California sea lion jumps out of the ocean next to a humpback whale showing its tail and another whale showing its back.
/news/what-is-the-loudest-anim...Subdomain What is the Loudest Animal on Earth? And Other Animal Trivia
/news/what-it-takes-to-rescue-...Subdomain IMG-ALT An entangled California sea lion with a netting material around its neck.
/news/what-it-takes-to-rescue-...Subdomain What it Takes to Rescue an Entangled Sea Lion
/animal-care/our-patientsSee All Patients
/patients/nfs-546Subdomain IMG-ALT northern fur seal Reina
/patients/nfs-546Subdomain Reina
/patients/es-4796Subdomain IMG-ALT northern elephant seal Shrub with enrichment items including fake kelp and a red buoy
/patients/es-4796Subdomain Shrub
/patients/csl-15149Subdomain IMG-ALT California sea lion Mayhem
/patients/csl-15149Subdomain Mayhem
/news?order=date_desc&page=1&t...See all press coverage
/contact/media-centerContact our media team
/news/kmph-dead-pygmy-sperm-wh...Subdomain IMG-ALT experts examining stranded pygmy sperm whale
/news/kmph-dead-pygmy-sperm-wh...Subdomain Trivial anchor text
Read More
/news/big-island-now-honokohau...Subdomain IMG-ALT Hawaiian monk seal Keaka
/news/big-island-now-honokohau...Subdomain Text duplicate Trivial anchor text
Read More
/news/the-sacramento-bee-rare-...Subdomain IMG-ALT Hawaiian monk seal R8HA at The Marine Mammal Center
/news/the-sacramento-bee-rare-...Subdomain Text duplicate Trivial anchor text
Read More
/news/nbc-plastic-pollution-ca...Subdomain IMG-ALT plastic pollution floating in the ocean
/news/nbc-plastic-pollution-ca...Subdomain Text duplicate Trivial anchor text
Read More
/news/the-new-lede-algae-bloom...Subdomain IMG-ALT Beach coastline with waves and sea foam from algae bloom in water California
/news/the-new-lede-algae-bloom...Subdomain Text duplicate Trivial anchor text
Read More
/news/la-times-neurotoxin-is-p...Subdomain IMG-ALT LA Times Front Page Domoic Acid Sea Lions
/news/la-times-neurotoxin-is-p...Subdomain Text duplicate Trivial anchor text
Read More
https://give.marinemammalcente...External Subdomain Sign up
https://www.facebook.com/thema...New window External Subdomain facebook
https://www.instagram.com/them...New window External Subdomain instagram
https://www.twitter.com/TMMCNew window External Subdomain twitter
https://www.youtube.com/Marine...New window External Subdomain youtube
/privacy-policyprivacy policy.
/animal-care/our-patientsText duplicate Our Patients
/animal-care/patient-journeyText duplicate Patient Journey
/animal-care/learn-about-marin...Text duplicate Learn About Marine Mammals
/science-conservation/research...Text duplicate Research Library
/science-conservation/conserva...Text duplicate Conservation
/science-conservation/our-expertsText duplicate Our Experts
/education/adults-familiesText duplicate Youth, Adults & Families
/education/educatorsText duplicate Educators
/education/veterinary-professi...Text duplicate Veterinary Professionals
/education/podcastText duplicate Sentinels of the Sea Podcast
/get-involved/volunteerText duplicate Volunteer
/get-involved/eventsText duplicate Events
/get-involved/ways-to-giveText duplicate Ways to Give
/about-usText duplicate About Us
/contactText duplicate Contact Us
/featured-newsText duplicate News
https://shop.marinemammalcente...External Subdomain Text duplicate Store
https://give.marinemammalcente...External Subdomain Text duplicate Donate
/visit/getting-hereText duplicate Visit
/faqText duplicate FAQ
/opportunitiesText duplicate Opportunities
/impact-reportsText duplicate Impact Reports
/report-an-animalText duplicate Report an Animal
/privacy-policyPrivacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.marinemammalcenter.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 is very slow (2.89 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 only loads 1 CSS files. That's ok.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (140 kB).

HTTP Response Header

NameValue
servernginx
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
cache-controlno-cache, private
dateFri, 18 Apr 2025 16:15:03 GMT
set-cookie443 Characters
x-ua-compatibleIE=edge,chrome=1
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 5,028 referring domains.
This page has 15,143 backlinks.
This page has backlinks from 1,749 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /api/
Disallow: /backend/

Similar sites

Search preview

www.marinemammalcenter.org
Home | The Marine Mammal Center
The Marine Mammal Center advances ocean health through marine mammal rescue and rehabilitation, research, and education.

Most important keywords

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

KeywordResultRecheck
Marine93%Check
Mammal93%Check
Center93%Check
Marine Mammal93%Check
Marine Mammal Center93%Check
Marine Mammal Center advances86%Check
marine mammal rescue83%Check
Mammal Center advances ocean80%Check
ocean health marine mammal80%Check
Center advances ocean health73%Check
Show more keywords and terms

Automatically check marinemammalcenter.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions