Health.harvard.edu - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
93% 
Page structure
91% 
Link structure
73% 
Server
73% 
External factors
100% 
SEO Score
Response time
0.97 s
File size
227.10 kB
Words
953
Media files
41
Number of links
91 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Health Information and Medical Information - Harvard Health
The length of the page title is perfect. (538 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Find the best information about living a healthier life from the trusted medical team at Harvard Medical School. Trusted advice for a healthier life.
The length of the meta description is perfect. (885 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.health.harvard.edu/
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
csrf-tokenpQUh8GOrI0hxGhdlFfeWdDwgrUj71QmWQ7VSCiXm
descriptionFind the best information about living a healthier life from the trusted medical team at Harvard Medical School. Trusted advice for a healthier life.
keywordshealth information, medical information, health news, health report, health newsletters, health newsletter, Harvard Health Publications, Harvard Health Publishing, Harvard Health, health.harvard.edu, health harvard edu, Harvard Heart Letter, Harvard Health Letter, Harvard Women's Health Watch, Harvard Mental Health Letter, Harvard Men's Health Watch, Perspectives on Prostate Disease
apple-mobile-web-app-titleHarvard Health
application-nameHarvard Health
msapplication-TileColor#b70034
msapplication-TileImage//hhp-assets.s3.amazonaws.com/icon/mstile-144x144.png
theme-color#ffffff
langen
twitter:siteHarvard Health
twitter:titleHealth Information and Medical Information - Harvard Health
twitter:descriptionFind the best information about living a healthier life from the trusted medical team at Harvard Medical School. Trusted advice for a healthier life.
twitter:urlhttps://www.health.harvard.edu/
twitter:imagehttps://www.health.harvard.edu/img/hhp-social-share.jpg
twitter:image:altHarvard Health Publishing - Harvard Medical School
twitter:cardsummary_large_image
og:site_nameHarvard Health
og:titleHealth Information and Medical Information - Harvard Health
og:descriptionFind the best information about living a healthier life from the trusted medical team at Harvard Medical School. Trusted advice for a healthier life.
og:localeen_US
og:typewebsite
og:urlhttps://www.health.harvard.edu/
og:imagehttps://www.health.harvard.edu/img/hhp-social-share.jpg
og:image:altHarvard Health Publishing - Harvard Medical School
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 953 words. That's ok.
27.5% 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.
8 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 23.18 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" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: best diets for cognitive fitness
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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
/img/logos/NEW-HHP_logo_stack4.svgHarvard Health Publishing Logo
...7f-70d6-47c4-b157-a20deee38d6a-micro.jpgblog image 1
...ersions/gettyimages-1468788533-micro.jpgblog image 1
...ersions/gettyimages-1143801175-micro.jpgblog image 1
...ersions/gettyimages-1786490244-micro.jpgblog image 1
...ersions/gettyimages-1178767425-micro.jpgblog image 1
...ersions/gettyimages-1127052059-micro.jpgblog image 1
...versions/gettyimages-538178055-micro.jpgblog image 1
...ersions/gettyimages-1965002962-micro.jpgblog image 1
...ersions/gettyimages-1543511026-micro.jpgblog image 1
...ersions/gettyimages-1360053849-micro.jpgblog image 1
...ed6fb414-d554-4b09-b3d8-47b47b53af16.jpgNo alt attribute provided
...ons/p5-fiber-n1124-gi468209532-thumb.jpgThe facts on fiber featured image
...ersions/gettyimages-1482290719-thumb.jpgLifestyle strategies to help prevent natural age-related decline in testosterone featured image
...brary/15786/conversions/w1124h-thumb.jpgShort bursts of evening activity fuel better sleep featured image
...ersions/gettyimages-1454275510-thumb.jpgLost a tooth? What to know about dental implants featured image
...5b-fb42-4a73-8af8-d8340af43351-thumb.jpgTake time to stretch featured image
...20-bdbb-4bd4-90a4-8b14e24e9a23-thumb.jpgWhat you need to know about electric bicycles featured image
...edialibrary/16411/Measles--4-saffron.jpgA saffron square with the words 97% effective against measles and Stat of the Week; upper left has chart graphic, bottom right has Harvard Health Publishing logo
...7f-70d6-47c4-b157-a20deee38d6a-micro.jpgblog image 1
...ersions/gettyimages-1468788533-micro.jpgblog image 1
...ersions/gettyimages-1143801175-micro.jpgblog image 1
...ersions/gettyimages-1786490244-micro.jpgblog image 1
...ersions/gettyimages-1178767425-micro.jpgblog image 1
...ersions/gettyimages-1127052059-micro.jpgblog image 1
...versions/gettyimages-538178055-micro.jpgblog image 1
...ersions/gettyimages-1965002962-micro.jpgblog image 1
...ersions/gettyimages-1543511026-micro.jpgblog image 1
...ersions/gettyimages-1360053849-micro.jpgblog image 1
...iNbfeCuBZ553H7Jrb3t470RDFhgkoCJE1ACU.pngphoto of Chika Anekwe, MD, MPH
...hXP5MlckGcpBwtSOOH6XxRmkaf56pXc55t6I.jpgphoto of Christopher P. Cannon, MD
...iXbSzwg4vDBqTJSHHfY0L1IXpMtDx9g0OzeC.jpgphoto of Lauren Elson, MD
...N4cm3v3kTmZW00KoUO9ysWkHOTVuIy3j2Gbl.jpgphoto of Teresa Fung, MS, RD, ScD
...vFKwJ50Ua5wwL7mmQsGfPt7r3A31Yke9NTPv.jpgphoto of Howard E. LeWine, MD
...KaVzyx3xPsUxIBc9zJz8m3zvysnJa3UJsGOd.jpgphoto of Robert H. Shmerling, MD
/img/logos/hhp-grayscale-logo.svgHarvard Medical Logo
/img/logos/NEW-HHP_logo_stack4.svgHarvard Health Publishing Logo
/img/logos/NEW-HHP_logo_stack4.svgHarvard Health Publishing Logo
...eat/shr200px-cognitive_diet_freemium.pngFree Report! Best Diets for Cognitive Fitness
/img/logos/logo-mark.svgHarvard Health Publishing Logo
/img/logos/logo-mark.svgHarvard Health Publishing Logo

Page structure

H1 heading
(Critically important)
Harvard Health Publishing
The H1 heading is perfect.
Headings
(Important)
There are 29 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 Harvard Health Publishing
H2 Main Content
H2 Helpful Links
H2 Should you be tested for inflammation?
H2 More Featured Articles
H2 Stat of the Week
H2 Harvard Health Publishing Resources
H2 Harvard Health Publishing Editorial Board
H2 License Harvard Health Content
H2 Free Healthbeat Signup
H2 Footer
H3 The facts on fiber
H3 Lifestyle strategies to help prevent natural age-related decline in testosterone
H3 Short bursts of evening activity fuel better sleep
H3 Lost a tooth? What to know about dental implants
H3 Take time to stretch
H3 What you need to know about electric bicycles
H3 Harvard Health Online Subscribers
H3 Editorial Features
H3 Products
H3 Chika Anekwe, MD, MPH
H3 Christopher P. Cannon, MD
H3 Lauren Elson, MD
H3 Teresa Fung, MS, RD, ScD
H3 Howard E. LeWine, MD
H3 Robert H. Shmerling, MD
H3 My Account
H3 Order Now
H3 More
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 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.health.harvard.edu/Subdomain Harvard Health Publishing
IMG-ALT Harvard Health Publishing Logo
https://www.health.harvard.edu/Subdomain Text duplicate Harvard Health Publishing
/customer-serviceSubdomain Customer Service
/licensingSubdomain Content Licensing
/about-usSubdomain About Us
/loginSubdomain Log In
/healthbeatSubdomain Free HealthBeat Signup
/subscribeSubdomain Subscriptions
/special-health-reportsSubdomain Special Health Reports
https://www.harvardhealthonlin...New window External Subdomain Online Courses
/pay-billSubdomain Pay Subscription Bill
/category/common-conditionsSubdomain Common Conditions
/category/staying-healthySubdomain Staying Healthy
/resourcesSubdomain Resources
/blogSubdomain Blog
/diseases-and-conditions/coron...Subdomain COVID-19 Updates
/category/common-conditionsSubdomain Text duplicate Common Conditions
/category/staying-healthySubdomain Text duplicate Staying Healthy
/resourcesSubdomain Text duplicate Resources
/blogSubdomain Text duplicate Blog
/customer-serviceSubdomain Text duplicate Customer Service
/about-usSubdomain Text duplicate About Us
/licensingSubdomain Text duplicate Content Licensing
/healthbeatSubdomain Free Healthbeat Signup
/subscribeSubdomain Text duplicate Subscriptions
/special-health-reportsSubdomain Text duplicate Special Health Reports
https://www.harvardhealthonlin...New window External Subdomain Text duplicate Online Courses
/pay-billSubdomain Text duplicate Pay Subscription Bill
/blog/are-you-getting-health-c...Subdomain Are you getting health care you don't need?
IMG-ALT blog image 1
/staying-healthy/could-you-ben...Subdomain Could you benefit from wearing compression socks?
IMG-ALT blog image 1
/blog/a-low-tech-school-vacati...Subdomain A low-tech school vacation: Keeping kids busy and happy without screens
IMG-ALT blog image 1
/staying-healthy/mold-in-the-h...Subdomain Mold in the home: Identifying and treating the issue to prevent health problems
IMG-ALT blog image 1
/staying-healthy/effective-pra...Subdomain Effective, practical strategies for coping with urinary incontinence
IMG-ALT blog image 1
/diseases-and-conditions/scalp...Subdomain Scalp psoriasis: What to know about this uncomfortable inflammatory skin condition
IMG-ALT blog image 1
/blog/measles-is-making-a-come...Subdomain Measles is making a comeback: Can we stop it?
IMG-ALT blog image 1
/blog/should-you-be-sleepmaxxi...Subdomain Should you be sleepmaxxing to boost health and happiness?
IMG-ALT blog image 1
/diseases-and-conditions/need-...Subdomain Need a root canal? Here's what to expect
IMG-ALT blog image 1
/nutrition/savoring-the-benefi...Subdomain Savoring the benefits of bone broth: Worth a taste?
IMG-ALT blog image 1
/blog/should-you-be-tested-for...Subdomain Should you be tested for inflammation?
/blog/should-you-be-tested-for...Subdomain Read Article
/nutrition/the-facts-on-fiberSubdomain Nutrition The facts on fiber
IMG-ALT The facts on fiber featured image
/mens-health/lifestyle-strateg...Subdomain Men's Health Lifestyle strategies to help prevent natural age-related decline in testosterone
IMG-ALT Lifestyle strategies to help prevent natural age-related decline in testosterone featured image
/staying-healthy/short-bursts-...Subdomain Staying Healthy Short bursts of evening activity fuel better sleep
IMG-ALT Short bursts of evening activity fuel better sleep featured image
/staying-healthy/lost-a-tooth-...Subdomain Staying Healthy Lost a tooth? What to know about dental implants
IMG-ALT Lost a tooth? What to know about dental implants featured image
/staying-healthy/take-time-to-...Subdomain Staying Healthy Take time to stretch
IMG-ALT Take time to stretch featured image
/exercise-and-fitness/what-you...Subdomain Exercise & Fitness What you need to know about electric bicycles
IMG-ALT What you need to know about electric bicycles featured image
/blog/measles-is-making-a-come...New window Subdomain Learn More
/blog/are-you-getting-health-c...Subdomain Text duplicate Are you getting health care you don't need?
IMG-ALT blog image 1
/staying-healthy/could-you-ben...Subdomain Text duplicate Could you benefit from wearing compression socks?
IMG-ALT blog image 1
/blog/a-low-tech-school-vacati...Subdomain Text duplicate A low-tech school vacation: Keeping kids busy and happy without screens
IMG-ALT blog image 1
/staying-healthy/mold-in-the-h...Subdomain Text duplicate Mold in the home: Identifying and treating the issue to prevent health problems
IMG-ALT blog image 1
/staying-healthy/effective-pra...Subdomain Text duplicate Effective, practical strategies for coping with urinary incontinence
IMG-ALT blog image 1
/diseases-and-conditions/scalp...Subdomain Text duplicate Scalp psoriasis: What to know about this uncomfortable inflammatory skin condition
IMG-ALT blog image 1
/blog/measles-is-making-a-come...Subdomain Text duplicate Measles is making a comeback: Can we stop it?
IMG-ALT blog image 1
/blog/should-you-be-sleepmaxxi...Subdomain Text duplicate Should you be sleepmaxxing to boost health and happiness?
IMG-ALT blog image 1
/diseases-and-conditions/need-...Subdomain Text duplicate Need a root canal? Here's what to expect
IMG-ALT blog image 1
/nutrition/savoring-the-benefi...Subdomain Text duplicate Savoring the benefits of bone broth: Worth a taste?
IMG-ALT blog image 1
/newslettersSubdomain Harvard Health Newsletters
/health-a-to-zSubdomain Health A to Z
/diagnostic-tests-and-medical-...Subdomain Diagnostic Tests and Medical Procedures
/decision-guidesSubdomain Health Decision Guides
/ask-harvard-medical-school-vi...Subdomain Ask Harvard Medical School Video Series
/loginSubdomain Log in to Access Your Subscription
/birth-controlSubdomain Birth Control Center
/blogSubdomain Harvard Health Blog
/topics/prostate-healthSubdomain Harvard Prostate Knowledge
/staying-healthy/hhp-medicatio...HHP Medication Safety Watch
https://lyme.health.harvard.edu/New window External Subdomain Lyme Wellness Initiative
https://adult-autism.health.ha...New window External Subdomain Adult Autism Health Resources
/healthbeatSubdomain FREE Email Newsletters
https://www.harvardhealthonlin...New window External Subdomain Online Learning Courses
/special-health-reportsSubdomain Text duplicate Special Health Reports
/newslettersSubdomain Print Subscriptions
/subscribeSubdomain Digital Subscriptions
/authors/chika-anekwe-md-mphSubdomain Chika Anekwe, MD, MPH Contributor; Editorial Advisory Board Member, Harvard Health Publishing
IMG-ALT photo of Chika Anekwe, MD, MPH
/authors/christopher-p-cannon-mdSubdomain Christopher P. Cannon, MD Editor in Chief, Harvard Heart Letter; Editorial Advisory Board Member, Harvard Health Publishing
IMG-ALT photo of Christopher P. Cannon, MD
/authors/lauren-elson-mdSubdomain Lauren Elson, MD Contributor; Editorial Advisory Board Member, Harvard Health Publishing
IMG-ALT photo of Lauren Elson, MD
/authors/teresa-fung-ms-rd-scdSubdomain Teresa Fung, MS, RD, ScD Contributor; Editorial Advisory Board Member, Harvard Health Publishing
IMG-ALT photo of Teresa Fung, MS, RD, ScD
/authors/howard-lewine-mdSubdomain Howard E. LeWine, MD Chief Medical Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
IMG-ALT photo of Howard E. LeWine, MD
/authors/robert-h-shmerling-mdSubdomain Robert H. Shmerling, MD Senior Faculty Editor, Harvard Health Publishing; Editorial Advisory Board Member, Harvard Health Publishing
IMG-ALT photo of Robert H. Shmerling, MD
/editorial-boardSubdomain View all board members
/licensingSubdomain Contact Us
/healthbeatSubdomain Sign Up
https://www.health.harvard.edu/Subdomain Text duplicate Harvard Health Publishing
IMG-ALT Harvard Medical Logo
https://www.facebook.com/Harva...New window External Subdomain Facebook
https://twitter.com/harvardhealthNew window External Twitter
https://www.linkedin.com/compa...New window External Subdomain Linkedin
https://www.youtube.com/channe...New window External Subdomain YouTube
/customer-serviceSubdomain Text duplicate Customer Service
/loginSubdomain Log in
https://www.harvardhealthonlin...New window External Subdomain Text duplicate Online Learning Courses
/subscribeSubdomain Text duplicate Digital Subscriptions
/special-health-reportsSubdomain Text duplicate Special Health Reports
/newslettersSubdomain Text duplicate Print Subscriptions
/about-usSubdomain Text duplicate About Us
/permissionsSubdomain Permissions
/licensingSubdomain Text duplicate Content Licensing
/topicsSubdomain Topics
https://trademark.harvard.edu/...External Subdomain Trademark Notice
https://trademark.harvard.edu/...External Subdomain Harvard Health Publishing®
/privacy-policySubdomain Anchor Do not sell my personal information
/privacy-policySubdomain Privacy Policy and Terms of Use
https://www.health.harvard.edu/Anchor Scroll To Top
https://policies.google.com/pr...New window External Subdomain Privacy Policy
https://policies.google.com/termsNew window External Subdomain Terms of Service
https://policies.google.com/pr...New window External Subdomain Text duplicate Privacy Policy
https://policies.google.com/termsNew window External Subdomain Text duplicate Terms of Service
https://policies.google.com/pr...New window External Subdomain Text duplicate Privacy Policy
https://policies.google.com/termsNew window External Subdomain Text duplicate Terms of Service

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.health.harvard.edu/"
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 of 0.97 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (227 kB).

HTTP Response Header

NameValue
dateMon, 17 Mar 2025 04:43:29 GMT
server
cache-controlno-cache, private
x-frame-optionsSAMEORIGIN
feature-policyautoplay 'none'; camera 'none'
set-cookie465 Characters
x-content-type-optionsnosniff
strict-transport-securitymax-age=63072000; includeSubdomains; preload
x-xss-protection1; mode=block
referrer-policystrict-origin-when-cross-origin
expiresMon, 17 Mar 2025 04:43:29 GMT
varyAccept-Encoding
content-encodinggzip
x-ua-compatibleIE=edge
content-length50198
content-typetext/html; charset=UTF-8
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 115,263 referring domains.
This page has 2,388,642 backlinks.
This page has backlinks from 56,071 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: GPTBot
User-agent: Google-Extended
Disallow: /

Similar sites

Search preview

www.health.harvard.edu
Health Information and Medical Information - Harvard Health
Find the best information about living a healthier life from the trusted medical team at Harvard Medical School. Trusted advice for a healthier life.

Most important keywords

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

KeywordResultRecheck
Health97%Check
Harvard Health95%Check
Harvard92%Check
Harvard Health Publishing81%Check
Harvard Medical76%Check
Health Information76%Check
Health Content70%Check
Health Resources69%Check
Health Online69%Check
Health News67%Check
Show more keywords and terms

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