Astro.org - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
80% 
Page quality
87% 
Page structure
58% 
Link structure
17% 
Server
79% 
External factors
100% 
SEO Score
Response time
2.08 s
File size
96.80 kB
Words
1288
Media files
35
Number of links
172 internal / 31 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - American Society for Radiation Oncology (ASTRO)
The length of the page title is perfect. (528 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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
viewportwidth=device-width, initial-scale=1
langen
twitter:cardsummary
twitter:site@ASTRO_org
og:site_nameASTRO
og:urlhttps://www.astro.org/
og:descriptionEmpty
og:imageEmpty
charsetutf-8

Test up to 1.000 webpages of astro.org with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
This page contains 1288 words. That's ok.
26.9% 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.
24 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 16.89 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Image SEO
(Somewhat important)
3 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
...go_name.png?width=193&height=64&ext=.pngAmerican Society for Radiation Oncology
...df6-add0-4cc0-9ea1-fa1579315076/dc_3.jpgDC Skyline
...5d-b2772d9bea7d/Volunteer_Roadmap_HP.jpgRoadmap to committee volunteering
...31d05761cd/radiopharm_homepagebanner.jpgRadiopharmaceuticals
...-6b41485b21ad/Academy_homepagebanner.jpgperson at laptop with coffee
...-9dbf-992a26ba9fb3/rt_homepagebanner.jpgDoctor with patient
...-40f8-b829-cf13dc1da318/filler_slide.jpgwhite filler slide
...245-b4b3-188c59266462/tab_goldMedals.jpgImage: image of ASTRO's gold medal medallions
...-4a7f-9de6-9309f1e36ead/capitol_tab.webpImage: Capitol Building, Washington, DC
.../Tab Pictures/ASTROgram_tab.jpg?ext=.jpgImage: Over the shoulder view of person holding a tablet displaying weekly newsletter
...2-4dc0-94d5-8c27691ded8a/msfa24_tab.webpImage:
...2c-ad7e-96935c45a246/tab_volunteer_1.jpgImage: Doctor consulting with patient
...43d-8398-4488cd6a68bd/medStudent_tab.jpgImage: Students sitting around a table
...b Pictures/tab_careerCenter.jpg?ext=.jpgImage: A group of doctors
...me/Tab Pictures/tab_academy.jpg?ext=.jpgImage: Hand holding a computer mouse
...me/Tab Pictures/tab_catalog.jpg?ext=.jpgImage: Hands holding a computer tablet
...Home/Tab Pictures/roils_tab.jpg?ext=.jpgImage: Rad Oncs Working
.../Home/Tab Pictures/APEx_tab.jpg?ext=.jpgImage: group of doctors
... Pictures/ANewsWinter23_tab.jpg?ext=.jpgImage: Radiopharmaceuticals
...e/Tab Pictures/tab_advances.jpg?ext=.jpgImage: Cover of Advances in Radiation Oncology
...ff-a82f-a74a7bd56620/tab_redJournal.webpImage: Cover of the Red Journal
...f815-41d0-a8fc-0131278016f2/tab_pro.webpImage: Cover of Practical Radiation Oncology
...-4ccfc7917f12/Spring24_ASTROnews_tab.jpgImage: Cover of ASTROnews
...Pictures/CodingResource_tab.jpg?ext=.jpgImage: Cover of the 2024 Coding Guide
...ctures/tab_safetyNoAccident.jpg?ext=.jpgImage: Cover of Safety is No Accident
.../Home/Tab Pictures/tab_arro.jpg?ext=.jpgImage: 3 Doctors looking at a laptop
...Home/Tab Pictures/tab_adrop.jpg?ext=.jpgImage: Doctors talking to each other around a table
...ome/Tab Pictures/tab_scarop.jpg?ext=.jpgImage: Group of doctors
...ab Pictures/tab_earlyCareer.jpg?ext=.jpgImage: Group of young doctors
...Tab Pictures/medStudent_tab.jpg?ext=.jpgImage: Group of medical students
...ab Pictures/exhibitHall_tab.jpg?ext=.jpgImage: Exhibit Hall
...go_name.png?width=193&height=64&ext=.pngAmerican Society for Radiation Oncology

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 46 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
H2 2024 ASTRO Annual Meeting; September 29-October 2!
H2 Call for Volunteers open for ASTRO committee service
H2 Beyond the Beam: A Radiation Oncology Curriculum for RPT
H2 Did you miss the 2024 Virtual Annual Refresher Course?
H2 Visit RTAnswers.org
H2 Empty heading
H2 2024 ASTRO Annual Meeting; September 29-October 2! Duplicate text
H2 Empty heading
H2 Call for Volunteers open for ASTRO committee service Duplicate text
H2 RTP Curriculum Series
H2 Beyond the Beam: A Radiation Oncology Curriculum for RPT Duplicate text
H2 Empty heading
H2 Did you miss the 2024 Virtual Annual Refresher Course? Duplicate text
H2 Empty heading
H2 Visit RTAnswers.org Duplicate text
H2 2024 Gold Medalists Named
H2 ROCR Bill
H2 ASTROgram
H2 Medical Student Fellowship
H2 New on the ASTROblog
H2 Medical Student Q&A
H2 Career Center
H2 ASTRO Academy
H2 Product Catalog
H2 RO-ILS
H2 APEx Accreditation
H2 Radiopharmaceuticals
H2 Advances in Radiation Oncology
H2 Red Journal
H2 Practical Radiation Oncology
H2 2024 Spring ASTROnews
H2 Coding Guide
H2 Safety is No Accident
H2 ARRO
H2 ADROP
H2 SCAROP
H2 Early Career
H2 Medical Students
H2 Industry
H2 Medical Students Duplicate text
H2 Residents
H2 Patients
H3 ADVERTISING
H3 TERMS OF USE & PRIVACY POLICY
H3 CONTACT US
H3 CONNECT WITH US
H3 ABOUT ASTRO
H3 MEMBERSHIP
H3 INTEREST GROUPS
H4 No Alerts
Some anchor texts are used more than once.
25 links don't have an anchor text.
There are 5 links with a trivial 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 too many external links (31) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.astro.org/Subdomain IMG-ALT American Society for Radiation Oncology
https://academy.astro.org/External Subdomain ASTRO Academy
http://rohub.astro.org/External Subdomain ROhub
http://www.roinstitute.org/External Subdomain RO Institute
http://www.rtanswers.org/External Subdomain Patients
/product-catalogPRODUCT CATALOG
/myastro/membership-applicationJOIN ASTRO
https://rohub.astro.org/networ...External Subdomain MEMBER DIRECTORY
/MyASTRO/New-UserCreate An Account
/MyASTRO/Forgot-PasswordForgot Password
/meetings-and-education/micro-...Annual Meeting
/meetings-and-education/live-m...Upcoming Meetings
/daily-practice/reimbursementReimbursement
/daily-practice/quality-paymen...Medicare Quality Payment Program
/daily-practice/accreditationAPEx Accreditation
/patient-care-and-research/cli...Clinical Practice Statements
/patient-care-and-research/pat...Patient Safety
/patient-care-and-research/pro...Provider Resources
/patient-care-and-research/res...Research
/news-and-publications/journalsJournals
/news-and-publications/astrogramSociety News
/news-and-publications/news-an...News and Media
/advocacy/key-issues-8f3e5a3b7...Key Issues
/advocacy/astro-pacASTRO PAC
/advocacy/become-an-advocateBecome an Advocate
/news-and-publications/what-is...What's Happening in Washington
/product-catalogProduct Catalog
/myastro/membership-applicationJoin ASTRO
https://rohub.astro.org/networ...External Subdomain Member Directory
/MyASTRO/New-UserText duplicate Create An Account
/MyASTRO/Forgot-PasswordText duplicate Forgot Password
/meetings-and-education/micro-...Text duplicate Annual Meeting
/meetings-and-education/micro-...Attend
/meetings-and-education/micro-...Learn
/meetings-and-education/micro-...Exhibitors
/meetings-and-education/micro-...Future Annual Meetings
/meetings-and-education/live-m...Text duplicate Upcoming Meetings
/meetings-and-education/live-m...Live Meetings
https://academy.astro.org/cour...External Subdomain onDemand Meetings
/meetings-and-education/non-as...Non-Astro Meetings
/meetings-and-education/astro-...Text duplicate ASTRO Academy
/meetings-and-education/contin...Continuing Certification
/meetings-and-education/moc/as...ASTRO/ABR Gateway
/daily-practice/reimbursementText duplicate Reimbursement
/daily-practice/codingCoding
/daily-practice/reimbursement/...Medicare
/daily-practice/reimbursement/...Model Policies
/daily-practice/reimbursement/...Practice Management Resources
/daily-practice/reimbursement/...Private Payers
/daily-practice/quality-paymen...Text duplicate Medicare Quality Payment Program
/daily-practice/quality-paymen...Measures
/daily-practice/quality-paymen...MIPS
/daily-practice/accreditationText duplicate APEx Accreditation
/daily-practice/accreditation/...About APEx
/daily-practice/accreditation/...Accredited Facilities
/daily-practice/accreditation/...Application Process
/daily-practice/accreditation/...APEx Portal
/daily-practice/accreditation/...Become a Surveyor
/patient-care-and-research/cli...Text duplicate Clinical Practice Statements
/patient-care-and-research/cli...Clinical Practice Guidelines
/patient-care-and-research/cli...Collaborative Guideline Process
/patient-care-and-research/cli...Consensus Documents
/patient-care-and-research/cli...Guideline Development Process
/patient-care-and-research/pat...Text duplicate Patient Safety
/patient-care-and-research/pat...RO-ILS
/patient-care-and-research/pat...Target Safely
/patient-care-and-research/pat...Radiation Disaster Management
/patient-care-and-research/pro...Text duplicate Provider Resources
/patient-care-and-research/pro...Patient Videos
/patient-care-and-research/pro...Patient Brochures
https://rtanswers.org/External RTAnswers
/patient-care-and-research/pro...Radiation Oncology Presentations
/patient-care-and-research/pro...Physician Networking
/patient-care-and-research/res...Text duplicate Research
/patient-care-and-research/res...Funding Opportunities
/patient-care-and-research/res...Professional Development
/news-and-publications/journalsText duplicate Journals
/news-and-publications/journal...Red Journal
/news-and-publications/journal...Practical Radiation Oncology
/news-and-publications/journal...Advances in Radiation Oncology
/news-and-publications/journal...Journal News
/news-and-publications/journal...Author Instructions
/news-and-publications/astrogramText duplicate Society News
https://www.astro.org/blogASTROblog
/news-and-publications/astrogramASTROgram
/news-and-publications/astronewsASTROnews
/news-and-publications/news-an...Text duplicate News and Media
/news-and-publications/news-an...News Releases
/news-and-publications/news-an...Press Kits
/news-and-publications/news-an...Media Resources
/advocacy/key-issues-8f3e5a3b7...Text duplicate Key Issues
/advocacy/key-issues/rocrRadiation Oncology Case Rate Program
/advocacy/key-issues/cancer-re...Cancer Research
/advocacy/key-issues/access-to...Access to Care
/advocacy/key-issues/medicare-...Medicare Payments
/advocacy/key-issues/source-se...Source Security
/advocacy/key-issues/dispariti...Disparities in Health Care
/advocacy/astro-pacText duplicate ASTRO PAC
/advocacy/astro-pac/astro-pac-...ASTRO PAC Donors
/advocacy/astro-pac/astro-pac-...ASTRO PAC Toolkit
/advocacy/astro-pac/donate-nowDonate Now
/advocacy/astro-pac/pac-boardPAC Board
/advocacy/become-an-advocateText duplicate Become an Advocate
/advocacy/become-an-advocate/r...Resources
/advocacy/become-an-advocate/k...Key Legislation
https://rtanswers.org/survivor...External Patient Stories
/news-and-publications/what-is...Text duplicate What's Happening in Washington
/meetings-and-education/micro-...Subdomain Registration and housing are now open! Register by June 27 for Early-bird rates.
/myastro/my-committees/committ...Subdomain ASTRO now accepting volunteers for the Society year beginning October 1, 2024. Volunteer now!
/daily-practice/rpt-curriculum...Register for the series for access onDemand and join the next session on May 24.
https://academy.astro.org/cont...External Subdomain The Meeting onDemand is now available for purchase on the ASTRO Academy? Purchase now!
https://www.rtanswers.org/External Subdomain ASTRO's website for patients and caregivers answers questions about radiation therapy for cancer.
/meetings-and-education/micro-...Subdomain Text duplicate Registration and housing are now open! Register by June 27 for Early-bird rates.
/myastro/my-committees/committ...Subdomain Text duplicate ASTRO now accepting volunteers for the Society year beginning October 1, 2024. Volunteer now!
/daily-practice/rpt-curriculum...Text duplicate Register for the series for access onDemand and join the next session on May 24.
https://academy.astro.org/cont...External Subdomain Text duplicate The Meeting onDemand is now available for purchase on the ASTRO Academy? Purchase now!
https://www.rtanswers.org/External Subdomain Text duplicate ASTRO's website for patients and caregivers answers questions about radiation therapy for cancer.
/about-astro/recognition-award...No Text
/about-astro/recognition-award...Learn More
/news-and-publications/news-an...No Text
/news-and-publications/news-an...Trivial anchor text
Read More
/news-and-publications/astrogr...No Text
/news-and-publications/astrogr...Text duplicate Trivial anchor text
Read More
/patient-care-and-research/res...No Text
/patient-care-and-research/res...Text duplicate Trivial anchor text
Read More
/blog/may-2024/volunteering-ma...No Text
/blog/may-2024/volunteering-ma...Text duplicate Trivial anchor text
Read More
/affiliate/medical-students/ab...No Text
/affiliate/medical-students/ab...Text duplicate Trivial anchor text
Read More
/membership/astro-radiation-on...No Text
/membership/astro-radiation-on...Visit the Career Center
https://academy.astro.org/External Subdomain No Text
https://academy.astro.org/External Subdomain Visit the Academy
/Product-CatalogNo Text
/Product-CatalogView the Product Catalog
/patient-care-and-research/pat...No Text
/patient-care-and-research/pat...Text duplicate Learn More
/Daily-Practice/AccreditationNo Text
/Daily-Practice/AccreditationText duplicate Learn More
/daily-practice/radiopharmaceu...No Text
/daily-practice/radiopharmaceu...Text duplicate Learn More
http://advancesradonc.org/External No Text
http://advancesradonc.org/External No Text
https://www.redjournal.org/act...External Subdomain No Text
https://www.redjournal.org/act...External Subdomain No Text
https://www.practicalradonc.or...External Subdomain No Text
https://www.practicalradonc.or...External Subdomain No Text
/news-and-publications/astrone...No Text
/news-and-publications/astrone...No Text
/Daily-Practice/Coding/Coding-...No Text
/Daily-Practice/Coding/Coding-...No Text
/ASTRO/media/ASTRO/Patient Car...No Text
/ASTRO/media/ASTRO/Patient Car...No Text
/Affiliate/ARRONo Text
/Affiliate/ARROVisit ARRO
/Affiliate/ADROPNo Text
/Affiliate/ADROPVisit ADROP
/Affiliate/SCAROPNo Text
/Affiliate/SCAROPVisit SCAROP
/Affiliate/Early-CareerNo Text
/Affiliate/Early-CareerText duplicate Learn More
/Affiliate/Medical-StudentsNo Text
/Affiliate/Medical-StudentsText duplicate Learn More
/Affiliate/IndustryNo Text
/Affiliate/IndustryText duplicate Learn More
/Affiliate/Medical-StudentsNo Text
/Affiliate/Medical-StudentsView Resources
/Affiliate/ARRO/Resident-Resou...No Text
/Affiliate/ARRO/Resident-Resou...Text duplicate View Resources
https://rtanswers.org/External No Text
https://rtanswers.org/External Text duplicate View Resources
https://www.astro.org/Subdomain Text duplicate IMG-ALT American Society for Radiation Oncology
/affiliate/industry/advertisingADVERTISING
/about-astro/terms-of-useTERMS OF USE & PRIVACY POLICY
/about-astro/contact-usCONTACT US
/about-astro/social-mediaCONNECT WITH US
https://www.facebook.com/Ameri...External Subdomain No Text
https://twitter.com/ASTRO_orgExternal No Text
https://www.linkedin.com/compa...External Subdomain No Text
https://www.youtube.com/user/A...External Subdomain No Text
https://www.instagram.com/astr...External Subdomain No Text
https://rohub.astro.org/homeExternal Subdomain No Text
https://www.astro.org/about-astroABOUT ASTRO
/about-astro/board-and-leadershipBoard and Leadership
/about-astro/governanceGovernance
/about-astro/strategic-planStrategic Plan
/about-astro/diversity-and-inc...Diversity and Inclusion
https://rtanswers.org/What-is-...New window External What is Radiation Oncology
/about-astro/historyHistory
/about-astro/careers-at-astroJobs at ASTRO
https://www.astro.org/membershipMEMBERSHIP
/membership/member-categories-...Categories and Benefits
/membership/membership-policiesASTRO Policies
/membership/membership-demogra...Demographics
/about-astro/recognition-awardsRecognition Awards
https://rohub.astro.org/networ...New window External Subdomain Directory
/membership/astro-radiation-on...Career Center
/affiliate/arroARRO
/affiliate/adropADROP
/affiliate/scaropSCAROP
/affiliate/industryIndustry
/affiliate/early-careerEarly Career
/affiliate/medical-studentsMedical Students

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.astro.org/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 very slow (2.08 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 (97 kB).

HTTP Response Header

NameValue
cache-controlno-cache, no-store
pragmano-cache
content-typetext/html; charset=utf-8
content-encodinggzip
varyAccept-Encoding
serverMicrosoft-IIS/10.0
set-cookie226 Characters
x-frame-optionsSAMEORIGIN
x-powered-byASP.NET
dateTue, 28 May 2024 07:16:46 GMT
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 2,610 referring domains.
This page has 216,130 backlinks.
This page has backlinks from 1,785 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
ASTRO68%Check
LOG61%Check
Radiation56%Check
Radiation Oncology56%Check
Oncology55%Check
ASTRO Academy55%Check
JOIN ASTRO52%Check
ASTRO PAC52%Check
Society48%Check
American Society48%Check
Show more keywords and terms

Test up to 1.000 webpages of astro.org with our free plan!

Try For Free
No trial. It's just free!

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