Lung.org - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
83% 
Page structure
72% 
Link structure
26% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.33 s
File size
123.20 kB
Words
2020
Media files
7
Number of links
246 internal / 40 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | American Lung Association
The length of the page title is perfect. (313 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease, through research, education and advocacy.
The meta description is too long: 1100 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.lung.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 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
titleHome
descriptionThe American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease, through research, education and advocacy.
keywordsAmerican Lung Association, lung health, lung research, preventing lung disease, lung health education, advocacy
authorAmerican Lung Association
viewportwidth=device-width, initial-scale=1.0
application-name 
msapplication-TileColor#FFFFFF
msapplication-TileImage/icons/custom/mstile-144x144.png
msapplication-square70x70logo/icons/custom/mstile-70x70.png
msapplication-square150x150logo/icons/custom/mstile-150x150.png
msapplication-wide310x150logo/icons/custom/mstile-310x150.png
msapplication-square310x310logo/icons/custom/mstile-310x310.png
langen
twitter:cardHelp us save lives by improving lung health, preventing lung disease, and creating a healthy world for all.
fb:app_id906853126076689
og:titleAmerican Lung Association
og:descriptionHelp us save lives by improving lung health, preventing lung disease, and creating a healthy world for all.
og:imagehttps://www.lung.org/getmedia/24af6ab2-1b29-4110-861d-32794d641c92/hero-fall-f.jpg?width=1200&height=630&ext=.jpg
og:image:secure_urlhttps://www.lung.org/getmedia/24af6ab2-1b29-4110-861d-32794d641c92/hero-fall-f.jpg?width=1200&height=630&ext=.jpg
og:urlhttps://www.lung.org
og:typewebsite
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 2020 words. That's ok.
29.2% 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.
30 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 15.38 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.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 40 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
/Content/images/header-logo.svgAmerican Lung Association Logo

Page structure

H1 heading
(Critically important)
Double Your Lifesaving Impact
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 34 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Double Your Lifesaving Impact
H2 New "State of Lung Cancer" Report
H2 Current Initiatives and Updates
H2 November is COPD Awareness Month
H2 Lung Cancer Awareness Month
H2 Pulmonary Hypertension Awareness Month
H2 Our Impact
H2 Help Us Create a World Free of Lung Disease
H2 Upcoming Events
H2 Stand with LUNG FORCE to Defeat Lung Cancer
H2 Join the Patient & Caregiver Network
H2 EACH Breath Blog
H2 Endobronchial Valve (EBV) Treatment for Advanced COPD
H2 Mission Moment November 2024
H2 Enhanced Healthcare Tax Credits Have This Family Covered
H2 You Stopped Smoking—Now Start Screening
H2 Find Your Community
H2 Make a Donation
H2 Become a Lung Health Insider
H2 Lung HelpLine
H3 Join the Patient & Caregiver Network Duplicate text
H3 How to Help People Quit
H3 10 Tips to Protect Yourself from Unhealthy Air
H3 State of the Air Key Findings
H3 Become an Advocate
H3 Register for a LUNG FORCE Walk
H3 Double Your Gift
H3 Empty heading
H3 Implementation and Interpretation of Spirometry
H3 Freedom From Smoking Clinic
H3 Georgia Community Connections - Surgical Advances in Early and Intermediate Stage Lung Cancer
H3 Double Your Support Now
H3 Empty heading
H3 Empty heading
H3 Empty heading
H3 Select Your Location
H3 Change Language
H3 1-800-LUNG-USA
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 too many external links (40) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.lung.org/Anchor Skip to main content
https://www.lung.org/IMG-ALT American Lung Association Logo
https://www.lung.org/donateDonate
/support-community/lung-helpli...Ask a Question
https://shop.lung.org/ala_shop...External Subdomain Shop
https://www.lung.org/blogBlog
https://www.lung.org/lung-forceLUNG FORCE
https://www.lung.org/help-supportHelp & Support
https://www.lung.org/signinLogin
/support-community/lung-helpli...Text duplicate Ask a Question
/lung-health-diseasesLung Health & Diseases
/lung-health-diseasesText duplicate Lung Health & Diseases
/lung-health-diseases/wellnessLung Health & Wellness
/lung-health-diseases/wellness...Protecting Your Lungs
/lung-health-diseases/wellness...Vaccines
/lung-health-diseases/wellness...Breathing Exercises
/lung-health-diseases/how-lung...How Lungs Work
/lung-health-diseases/how-lung...Lung Capacity and Aging
/lung-health-diseases/warning-...Warning Signs of Lung Disease
/lung-health-diseases/lung-dis...Lung Disease Lookup
/lung-health-diseases/lung-dis...Asthma
/lung-health-diseases/lung-dis...COPD
/lung-health-diseases/lung-dis...COVID-19
/lung-health-diseases/lung-dis...Flu
/lung-health-diseases/lung-dis...Lung Cancer
/lung-health-diseases/lung-dis...Pneumonia
/lung-health-diseases/lung-dis...Pulmonary Fibrosis
/lung-health-diseases/lung-dis...View More
/lung-health-diseases/lung-pro...Lung Procedures, Tests, & Treatments
/lung-health-diseases/lung-pro...Lung Function Tests
/lung-health-diseases/lung-pro...CT Scan
/lung-health-diseases/lung-pro...Oxygen Therapy
/lung-health-diseases/lung-pro...Pulmonary Rehabilitation
/lung-health-diseases/lung-pro...Text duplicate View More
/lung-health-diseases/lung-dis...Saved By The Scan
/help-support/patient-caregive...Join the Patient & Caregiver Network Whether you are a patient living with lung disease or a caregiver, join the Patient & Caregiver Network for timely educa...
https://www.lung.org/quit-smokingQuit Smoking
https://www.lung.org/quit-smokingText duplicate Quit Smoking
/quit-smoking/help-someone-quitHelp Someone Quit
/quit-smoking/join-freedom-fro...Join Freedom From Smoking
/quit-smoking/join-freedom-fro...Options and Pricing
/quit-smoking/join-freedom-fro...Group Programs
/quit-smoking/join-freedom-fro...Facilitator Training
/quit-smoking/i-want-to-quitI Want To Quit
/quit-smoking/i-want-to-quit/r...Reasons to Quit
/quit-smoking/i-want-to-quit/b...Benefits of Quitting
/quit-smoking/i-want-to-quitText duplicate View More
/quit-smoking/helping-teens-quitHelp Teens Quit
/quit-smoking/helping-teens-qu...Kids and Smoking
/quit-smoking/helping-teens-qu...INDEPTH
/quit-smoking/helping-teens-qu...Not On Tobacco
/quit-smoking/helping-teens-quitText duplicate View More
/quit-smoking/smoking-factsSmoking Facts
/quit-smoking/smoking-facts/he...Health Effects of Smoking
/quit-smoking/smoking-facts/he...Secondhand Smoke
/quit-smoking/smoking-facts/wh...What's in a Cigarette?
/quit-smoking/smoking-factsText duplicate View More
/quit-smoking/e-cigarettes-vapingE-Cigarettes and Vaping
/quit-smoking/e-cigarettes-vap...E-Cigarettes and Lung Health
/quit-smoking/e-cigarettes-vap...What's in an E-Cigarette
/quit-smoking/e-cigarettes-vap...The Impact of E-Cigarettes on the Lung
/quit-smoking/e-cigarettes-vapingText duplicate View More
/quit-smoking/helping-teens-qu...Talk About Vaping
/quit-smoking/helping-teens-qu...Vaping Conversation Guide
/quit-smoking/helping-teens-qu...Vaping Facts
/quit-smoking/helping-teens-qu...Text duplicate View More
/quit-smoking/smoking-facts/ho...How to Help People Quit Become a navigator of the tobacco cessation process through this free, one-hour online course.
https://www.lung.org/clean-airClean Air
https://www.lung.org/clean-airText duplicate Clean Air
/clean-air/indoor-air/building...Clean Air at Home
/clean-air/indoor-air/signs-un...How to Know if Your Air is Unhealthy
/clean-air/indoor-air/protecti...Keep Pollution Out of Your Home
/clean-air/indoor-air/indoor-a...Indoor Air Pollutants & Health
/clean-air/indoor-air/indoor-a...Radon
/clean-air/indoor-air/indoor-a...Cleaning Supplies and Household Chemicals
/clean-air/indoor-air/indoor-a...Dust Mites and Dust
/clean-air/indoor-air/indoor-a...Text duplicate View More
/clean-air/indoor-air/building...Clean Air at School
/clean-air/indoor-air/building...Tools for Schools & Districts
/clean-air/at-workClean Air at Work
/clean-air/outdoors/what-makes...What Makes Outdoor Air Unhealthy
/clean-air/outdoors/what-makes...Ozone
/clean-air/outdoors/what-makes...Particle Pollution
/clean-air/outdoors/what-makes...Toxic Air Pollutants
/clean-air/outdoors/what-makes...Text duplicate View More
/clean-air/outdoorsClean Air Outdoors
/clean-air/outdoors/air-qualit...Air Quality Index
/clean-air/emergencies-and-nat...Emergencies & Natural Disasters
/clean-air/emergencies-and-nat...Wildfires
/clean-air/climate-changeClimate Change
/clean-air/electric-vehicle-re...Electric Vehicles
/clean-air/outdoors/10-tips-to...10 Tips to Protect Yourself from Unhealthy Air Read our simple and effective tips for protecting you and your family from the dangers of air pollution.
https://www.lung.org/researchResearch & Reports
https://www.lung.org/researchText duplicate Research & Reports
/research/about-our-researchAbout Our Research
/research/about-our-research/r...Research Partnerships
/research/airways-clinical-res...Airways Clinical Research Centers
/research/airways-clinical-res...Locations
/research/airways-clinical-res...Research Outcomes
/research/awards-and-grants-op...Awards and Grants Opportunities
/research/about-our-research/m...Meet the Researchers
/research/clinical-trialsClinical Trials
/research/clinical-trials/find...Find a Clinical Trial
/research/trends-in-lung-diseaseTrends in Lung Disease
/research/state-of-lung-cancerState of Lung Cancer Report
/research/state-of-lung-cancer...Key Findings
/research/state-of-lung-cancer...State Rankings
/research/sotaState of the Air Report
/research/sota/key-findingsText duplicate Key Findings
/research/sota/city-rankings/Report Cards
/research/sotcState of Tobacco Control Report
/research/sotc/key-findingsText duplicate Key Findings
/research/sotc/state-gradesState Grades
/research/sota/key-findingsState of the Air Key Findings Our key findings add to the evidence that a changing climate is making it harder to protect human health.
/policy-advocacyPolicy & Advocacy
/policy-advocacyText duplicate Policy & Advocacy
/policy-advocacy/our-victoriesOur Advocacy Victories
/policy-advocacy/take-actionTake Action
/policy-advocacy/take-action/l...Join the Lung Action Network
/policy-advocacy/take-action/a...Alerts & Petitions
/policy-advocacy/take-actionText duplicate View More
/policy-advocacy/public-policy...Public Policy Agenda
/policy-advocacy/advocacy-archiveAdvocacy Archive
/policy-advocacy/healthcare-lu...Healthcare & Lung Disease Initiatives
/policy-advocacy/healthcare-lu...Asthma Policy & Advocacy
/policy-advocacy/healthcare-lu...Lung Cancer Policy & Advocacy
/policy-advocacy/healthcare-lu...Healthcare Policy & Advocacy
/policy-advocacy/healthy-air-c...Healthy Air Campaign
/policy-advocacy/healthy-air-c...About the Campaign
/policy-advocacy/healthy-air-c...Share Your Story
/policy-advocacy/healthy-air-c...Health Professionals for Clean Air and Climate Action
/policy-advocacy/healthy-air-c...Text duplicate View More
/policy-advocacy/tobaccoTobacco Initiatives
/policy-advocacy/tobacco/cessa...Tobacco Cessation
/policy-advocacy/tobacco/smoke...Smokefree Environments
/policy-advocacy/tobacco/preve...Tobacco Prevention
/policy-advocacy/tobaccoText duplicate View More
/policy-advocacy/tobacco/slatiState Legislated Actions on Tobacco Issues (SLATI)
/policy-advocacy/take-actionBecome an Advocate Share your voice and advocate for policies that will save lives.
https://www.lung.org/get-involvedGet Involved
https://www.lung.org/get-involvedText duplicate Get Involved
/get-involved/eventsEvents
/get-involved/events/fight-for...Fight For Air Climbs
/get-involved/events/lung-forc...LUNG FORCE Walks/Runs
/get-involved/events/cycle-for...Cycle For Air
/get-involved/events/galasGalas & Social Events
/quit-smoking/join-freedom-fro...Freedom From Smoking® Clinics
/help-support/better-breathers...Better Breathers Clubs
/help-support/education-programsEducation & Training
/get-involved/events/find-an-e...View All Events
/professional-education/traini...Become a Facilitator or Educator
/policy-advocacy/take-actionBecome an Advocate
/policy-advocacy/take-action/a...Text duplicate Alerts & Petitions
/policy-advocacy/take-action/l...Text duplicate Join the Lung Action Network
/get-involved/shared-storiesShared Stories
/get-involved/share-your-storyText duplicate Share Your Story
/about-us/email-sign-upSign Up for Email
/get-involved/volunteerVolunteer
/get-involved/ways-to-giveWays to Give
/get-involved/ways-to-give/diyDIY Fundraising
/get-involved/youth-empowermentYouth & Young Adults In Action
/get-involved/events/lung-forc...Subdomain Register for a LUNG FORCE Walk Be part of the mighty LUNG FORCE, united to end lung cancer, at one of our fall events. Save your spot today!
/get-involved/ways-to-giveText duplicate Ways to Give
/get-involved/ways-to-giveText duplicate Ways to Give
https://action.lung.org/site/D...External Subdomain Donate Today
https://action.lung.org/site/D...External Subdomain One-Time Gift
https://action.lung.org/site/D...External Subdomain Monthly
https://action.lung.org/site/D...External Subdomain Honor & Memorial
https://legacy.lung.org/External Subdomain Legacy Giving
https://legacy.lung.org/gifts-...External Subdomain Gifts of Stock
https://legacy.lung.org/gifts-...External Subdomain Donor Advised Funds
https://legacy.lung.org/gifts-...External Subdomain Retirement Plans
https://legacy.lung.org/External Subdomain Text duplicate View More
/get-involved/ways-to-give/why...Why Give
/get-involved/ways-to-give/don...Donor FAQs
/get-involved/ways-to-give/don...Reasons to Be a Monthly Donor
/get-involved/ways-to-give/veh...Donate a Car
/get-involved/ways-to-give/chr...Christmas Seals®
/get-involved/ways-to-give/lun...Shop & Give Back
/get-involved/ways-to-give/spo...Corporate Support
/get-involved/ways-to-give/diyStart a Fundraiser (DIY)
https://smashthestats.funraise...External Subdomain SMASH the Stats
https://bealungsaver.funraise....External Subdomain Be a Lung-Saver
https://poweredbylungs.funrais...External Subdomain Powered By Lungs
https://tiltify.com/american-l...External Livestream for Lungs
/get-involved/ways-to-give/diyText duplicate View More
https://wallofremembrance.funr...External Subdomain Create a Memorial Wall
/get-involved/ways-to-give/mat...Double Your Gift Matching gifts are a great way to stretch your donation. Check to see if your donation is eligible.
https://www.lung.org/donateText duplicate Donate
https://shop.lung.org/ala_shop...External Subdomain Text duplicate Shop
https://www.lung.org/blogText duplicate Blog
https://www.lung.org/lung-forceText duplicate LUNG FORCE
https://www.lung.org/help-supportText duplicate Help & Support
https://www.lung.org/signinText duplicate Login
https://action.lung.org/site/D...External Subdomain Donate today
https://www.lung.org/about-usLearn More
/support-community/education-p...Text duplicate Learn More
/policy-advocacyLearn more
https://www.lung.org/researchText duplicate Learn more
/get-involved/eventsView Events
/research/state-of-lung-cancerView Report
/lung-health-diseases/lung-dis...November is COPD Awareness Month COPD affects over 11 million people in the U.S. Help us spread awareness and learn about some easy ways to take action and b...
/lung-force/about-lung-force/f...Lung Cancer Awareness Month During November, we will shine a daily spotlight on the need for more lung cancer awareness and research funding. Unite with LUNG...
/lung-health-diseases/lung-dis...Pulmonary Hypertension Awareness Month This November, learn about the latest treatment options and share helpful resources. Read more
https://www.lung.org/get-involvedText duplicate Get Involved
https://action.lung.org/site/D...External Subdomain Make a Donation
https://www.lung.org/eventsSee All Events
https://action.lung.org/site/T...External Subdomain Implementation and Interpretation of Spirometry Dec 5, 2024 | Virtual Event Bozeman Health Belgrade Clinic View Details
https://action.lung.org/site/T...External Subdomain Freedom From Smoking Clinic Jan 6, 2025 - Feb 17, 2025 | Virtual Event Virtual Event View Details
https://action.lung.org/site/C...External Subdomain Georgia Community Connections - Surgical Advances in Early and Intermediate Stage Lung Cancer Dec 5, 2025 | Virtual Event View Details
https://www.lung.org/lung-forceLearn about LUNG FORCE
/help-support/patient-caregive...Join Today
https://www.lung.org/blogSee More Articles
/blog/ebv-treatment-for-copdNov. 20, 2024 Endobronchial Valve (EBV) Treatment for Advanced COPD Read More
/blog/mission-moment-11-24Nov. 18, 2024 Mission Moment November 2024 Read More
/blog/enhanced-healthcare-tax-...Nov. 15, 2024 Enhanced Healthcare Tax Credits Have This Family Covered Read More
/lung-health-diseases/lung-dis...Take The Quiz
/support-communityFind Support
/support-community/lung-helpli...Ask the Lung HelpLine
https://www.lung.org/Anchor Show
https://action.lung.org/site/D...External Subdomain Text duplicate Donate today
https://www.lung.org/Anchor Text duplicate Show
https://www.lung.org/donateText duplicate Make a Donation
https://action.lung.org/site/T...New window External Subdomain Implementation and Interpretation of Spirometry Belgrade, MT | Dec 05, 2024
https://action.lung.org/site/T...New window External Subdomain Freedom From Smoking Clinic Manchester, CT | Jan 06, 2025
/get-involved/eventsText duplicate See All Events
https://www.lung.org/about-usAbout Us
https://www.lung.org/about-usText duplicate About Us
/about-us/our-missionMission, Impact, and History
/about-us/our-leadershipOur Leadership
/about-us/scientific-advisorsScientific Advisors
/about-us/patient-advisorsPatient Advisory Groups
/about-us/financial-statementsFinancial Statements
/media/in-the-newsIn the News
/about-us/careersCareers
/about-us/diversity-inclusionDiversity, Equity & Inclusion
https://www.lung.org/mediaFor Media
https://www.lung.org/mediaText duplicate For Media
/media/spokespeopleMedia Experts
/media/press-releasesPress Releases
https://www.lung.org/get-involvedText duplicate Get Involved
https://www.lung.org/get-involvedText duplicate Get Involved
/get-involved/eventsText duplicate Events
/get-involved/volunteerText duplicate Volunteer
/get-involved/ways-to-giveText duplicate Ways to Give
/policy-advocacy/take-action/t...Text duplicate Become an Advocate
/get-involved/share-your-storyText duplicate Share Your Story
/about-us/sponsors-and-supportersSponsors & Supporters
/professional-educationProfessional Education
/professional-educationText duplicate Professional Education
/professional-education/traini...Training & Certification
/professional-education/get-he...Get Health Education Materials
https://www.lung.org/get-involvedText duplicate Get Involved
/get-involved/eventsAll Programs
/research/about-signature-reportsSignature Reports
/research/about-signature-reportsText duplicate Signature Reports
http://www.stateoftheair.org/External Subdomain State of the Air
/research/state-of-lung-cancerText duplicate State of Lung Cancer Report
/research/sotcState of Tobacco Control
https://www.facebook.com/lungusa/External Subdomain Facebook
https://twitter.com/LungAssoci...External Twitter
https://www.instagram.com/lung...External Subdomain Instagram
https://www.youtube.com/user/a...External Subdomain Youtube
https://www.linkedin.com/compa...External Subdomain LinkedIn
https://www.tiktok.com/@americ...External Subdomain TikTok
/about-us/contact-usContact Us
/about-us/contact-usText duplicate Contact Us
/support-community/lung-helpli...Submit a Question
https://www.lung.org/espanolSpanish Resources
https://www.facebook.com/lungusa/External Subdomain Text duplicate Facebook
https://twitter.com/LungAssoci...External Text duplicate Twitter
https://www.instagram.com/lung...External Subdomain Text duplicate Instagram
https://www.youtube.com/user/a...External Subdomain Text duplicate Youtube
https://www.linkedin.com/compa...External Subdomain Text duplicate LinkedIn
https://www.tiktok.com/@americ...External Subdomain Text duplicate TikTok
https://www.guidestar.org/prof...External Subdomain IMG-ALT Candid
https://www.charitynavigator.o...External Subdomain IMG-ALT Charity Navigator
/policies/terms-of-useTerms of Use
https://www.lung.org/policiesPolicies
https://www.lung.org/sitemapSitemap
/policies/privacy-policyPrivacy Policy
/policies/corporate-ethics-rep...Ethics Policy
/policies/privacy-policyText duplicate Learn more
https://www.lung.org/Anchor Text duplicate Skip to main content
https://support.google.com/tra...New window External Subdomain IMG-ALT translated by Google
/support-community/lung-helpli...Text duplicate Ask a Question

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.lung.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is slow (1.33 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 (123 kB).

HTTP Response Header

NameValue
dateFri, 22 Nov 2024 05:44:50 GMT
content-typetext/html; charset=utf-8
cache-controlprivate
set-cookie74 Characters
varyAccept-Encoding
strict-transport-securitymax-age=31536000; includeSubDomains
x-aspnetmvc-version5.2
x-aspnet-version4.0.30319
x-powered-byASP.NET
referrer-policyno-referrer-when-downgrade
x-content-type-optionsnosniff
x-xss-protection1; mode=block
cf-cache-statusDYNAMIC
servercloudflare
cf-ray8e669c234a26d25d-FRA
content-encodinggzip
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 31,240 referring domains.
This page has 494,315 backlinks.
This page has backlinks from 17,834 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: Swiftbot
Disallow:

User-agent: *
Disallow: /search

Sitemap: https://www.lung.org/sitemap.xml

Similar sites

Search preview

www.lung.org
Home | American Lung Association
The American Lung Association is the leading organization working to save lives by improving lung health and preventing lung disease, through research, education and advocacy.

Most important keywords

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

KeywordResultRecheck
Lung79%Check
American Lung71%Check
Lung Association71%Check
Lung Health68%Check
American Lung Association67%Check
lung disease or67%Check
Lung Disease66%Check
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