Rpbusa.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
87% 
Page structure
0% 
Link structure
25% 
Server
73% 
External factors
100% 
SEO Score
Response time
1.17 s
File size
67.40 kB
Words
774
Media files
15
Number of links
205 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Research to Prevent Blindness
The length of the page title is perfect. (277 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
og:titleResearch to Prevent Blindness
og:typewebsite
og:urlhttps://www.rpbusa.org/rpb/
og:imagehttp://www.rpbusa.org/www-rpbm/social-graph-default.png
og:image:secure_urlhttps://www.rpbusa.org/www-rpbm/social-graph-default.png
og:image:width420
og:image:height420
og:site_nameResearch to Prevent Blindness
content-typetext/html; charset=UTF-8
X-UA-CompatibleIE=edge

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Page quality

Content
(Critically important)
These Typos were found:
  • opthalmic => ophthalmic
This page contains 774 words. That's ok.
20.4% 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.
5 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 13.09 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 4 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width,initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
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
...issue_4/thumbnail:en-us.jpg?v=1743556986event sign
...issue_3/thumbnail:en-us.jpg?v=1739390749RPB 65 years banner
...issue_2/thumbnail:en-us.jpg?v=1736368280Maria Bartolomeo Grant
...liance-for-eye-and-vision-rese:en-us.pngAlliance for Eye and Vision Research
...rican-macular-degeneration-fdn:en-us.jpgAmerican Macular Degeneration Foundation
...sociation-of-university-profes:en-us.pngAssociation of University Professors of Ophthalmology
/rpb/free-family-foundation:en-us.pngFree Family Foundation
/rpb/heed-opthalmic-foundation:en-us.pngHeed Opthalmic Foundation
...ternational-retinal-research-f:en-us.pngInternational Retinal Research Foundation
/rpb/lions-clubs-international:en-us.jpgLions Clubs International Foundation
...-tyler-moore-vision-initiative:en-us.jpgMary Tyler Moore Vision Initiative
/www-rpbm/rpb-logo-footer.pngResearch to Prevent Blindness Logo
/www-rpbm/rpb-logo-mobile-footer.pngResearch to Prevent Blindness
/www-rpbm/rpb-logo-site-header.pngResearch to Prevent Blindness
/www-rpbm/rpb-logo-site-mobile.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Welcome to Research to Prevent Blindness
The H1 heading contains the words Welcome to! Use important keywords instead.
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Welcome to Research to Prevent Blindness
H1 'Lunch and Learn' Events
H1 RPB Grantee Makes Breakthrough
H1 Shaping Careers
H1 An 'Eye' on Scientific Excellence
H1 Welcome to Research to Prevent Blindness Duplicate text
H1 'Lunch and Learn' Events Duplicate text
H1 RPB Grantee Makes Breakthrough Duplicate text
H1 Shaping Careers Duplicate text
H1 An 'Eye' on Scientific Excellence Duplicate text
H1 Research to Prevent Blindness
H3 About RPB
H3 Subscribe
H3 Our Partners
H4 RPB Hosts Vision Research Funding Partnership 2025
H4 Research to Prevent Blindness Celebrates 65 Years of Success
H4 Research to Prevent Blindness and Association of University Professors of Ophthalmology Announce 2025 Recipient of RPB David F. Weeks Award for Outstanding Vision Research
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 4 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 9 external links on this page.
LinkAttributesAnchor text
https://www.rpbusa.org/rpb/Anchor Slide 1
https://www.rpbusa.org/rpb/Anchor Slide 2
https://www.rpbusa.org/rpb/Anchor Slide 3
https://www.rpbusa.org/rpb/Anchor Slide 4
https://www.rpbusa.org/rpb/Anchor Slide 5
https://www.rpbusa.org/rpb/Anchor Text duplicate Slide 1
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https://www.rpbusa.org/rpb/Anchor Text duplicate Slide 1
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https://www.rpbusa.org/rpb/Anchor Text duplicate Slide 5
https://www.rpbusa.org/rpb/Anchor
https://www.rpbusa.org/rpb/Anchor
https://www.rpbusa.org/rpb/Anchor Text duplicate
https://www.rpbusa.org/rpb/Anchor Text duplicate
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https://www.rpbusa.org/rpb/Anchor Text duplicate
https://www.rpbusa.org/rpb/Anchor Text duplicate
https://www.rpbusa.org/rpb/Anchor Text duplicate
/rpb/grants-and-research/grant...New window 36 leading scientific institutions
/rpb/about/us/about-rpb/Trivial anchor text
Read More
/rpb/news-and-publications/new...Subdomain Text duplicate Trivial anchor text
Read More
/rpb/news-and-publications/new...Subdomain Text duplicate Trivial anchor text
Read More
/rpb/news-and-publications/new...Subdomain Text duplicate Trivial anchor text
Read More
/rpb/about/us/privacy-policy/privacy policy
https://twitter.com/rpb_orgExternal  Follow Us
https://www.facebook.com/Resea...External Subdomain  Follow Us
http://www.eyeresearch.org/New window External Subdomain IMG-ALT Alliance for Eye and Vision Research
https://www.macular.org/New window External Subdomain IMG-ALT American Macular Degeneration Foundation
http://www.aupo.org/New window External Subdomain IMG-ALT Association of University Professors of Ophthalmology
http://www.heed.org/New window External Subdomain IMG-ALT Heed Opthalmic Foundation
http://www.irrfonline.org/New window External Subdomain IMG-ALT International Retinal Research Foundation
https://www.lionsclubs.org/en/...New window External Subdomain IMG-ALT Lions Clubs International Foundation
https://www.marytylermoore.org/New window External Subdomain IMG-ALT Mary Tyler Moore Vision Initiative
/rpb/about/us/about-rpb/About RPB
/rpb/about/us/mission-and-hist...Mission & History
/rpb/members-and-partners/memb...Membership
/rpb/support/donate/support-us...Support Us
/rpb/grants-and-research/grant...Grants
/rpb/grants-and-research/grant...Grantee Login
/rpb/news-and-publications/new...News
/rpb/news-and-publications/pub...Publications
/rpb/about/us/for-the-media/For the Media
/rpb/resources-and-advocacy/re...Eye Disease Information
/rpb/resources-and-advocacy/re...Test Your Eyes
https://www.rpbusa.org/rpb/Subdomain IMG-ALT Research to Prevent Blindness Logo
/rpb/?action=listSubdomain Site Map
/rpb/contact/Subdomain Contact Us
/rpb/privacy-policy/Subdomain Privacy Policy
https://www.rpbusa.org/rpb/Subdomain IMG-ALT Research to Prevent Blindness
https://www.rpbusa.org/rpb/Anchor A
A-TITLE Use standard size text.
https://www.rpbusa.org/rpb/Anchor Text duplicate A
A-TITLE Use medium size text.
https://www.rpbusa.org/rpb/Anchor Text duplicate A
A-TITLE Use large text.
https://www.rpbusa.org/rpb/Anchor
A-TITLE Read this page to me.
/rpb/?action=screenSubdomain Login
/rpb/support/donate/support-us...Subdomain Donate
/rpb/grants-and-research/Subdomain Grants & Research 
/rpb/grants-and-research/grants/Subdomain Text duplicate Grants
/rpb/grants-and-research/grant...Subdomain Grants Overview
/rpb/grants-and-research/grant...Subdomain Institutional Grants
/rpb/grants-and-research/grant...Subdomain Unrestricted Grant
/rpb/grants-and-research/grant...Subdomain Challenge Grant
/rpb/grants-and-research/grant...Subdomain Grants for Individuals
/rpb/grants-and-research/grant...Subdomain Career Advancement Award
/rpb/grants-and-research/grant...Subdomain Career Development Award
/rpb/grants-and-research/grant...Subdomain Catalyst Award for Innovative Research Approaches for AMD
/rpb/grants-and-research/grant...Subdomain Disney Award for Amblyopia Research
/rpb/grants-and-research/grant...Subdomain International Research Collaborators Award
/rpb/grants-and-research/grant...Subdomain Medical Student Fellowship
/rpb/grants-and-research/grant...Subdomain Physician-Scientist Award
/rpb/grants-and-research/grant...Subdomain Stein Innovation Award
/rpb/grants-and-research/grant...Subdomain Grants Database
/rpb/grants-and-research/grant...Subdomain Current Grant Recipients
/rpb/grants-and-research/grant...Subdomain Individual Grantees
/rpb/grants-and-research/grant...Subdomain Institutional Grantees
/rpb/grants-and-research/grant...Subdomain Text duplicate Grantee Login
/rpb/news-and-publications/Subdomain News & Publications 
/rpb/news-and-publications/news/Subdomain Text duplicate News
/rpb/news-and-publications/new...Subdomain RPB News
/rpb/news-and-publications/new...Subdomain E-Newsletter
/rpb/news-and-publications/pub...Subdomain Text duplicate Publications
/rpb/news-and-publications/pub...Subdomain RPB Publications
/rpb/resources-and-advocacy/Subdomain Resources & Advocacy 
/rpb/resources-and-advocacy/re...Subdomain Resources
/rpb/resources-and-advocacy/re...Subdomain RPB Vision Resources
/rpb/resources-and-advocacy/re...Subdomain How the Eye Works
/rpb/resources-and-advocacy/re...Subdomain Amblyopia & Strabismus
/rpb/resources-and-advocacy/re...Subdomain Cataract
/rpb/resources-and-advocacy/re...Subdomain Corneal Disease
/rpb/resources-and-advocacy/re...Subdomain Diabetic Retinopathy
/rpb/resources-and-advocacy/re...Subdomain Dry Eye
/rpb/resources-and-advocacy/re...Subdomain Glaucoma
/rpb/resources-and-advocacy/re...Subdomain Hereditary Ocular Disease
/rpb/resources-and-advocacy/re...Subdomain Low Vision
/rpb/resources-and-advocacy/re...Subdomain Macular Degeneration
/rpb/resources-and-advocacy/re...Subdomain Ocular Cancer
/rpb/resources-and-advocacy/re...Subdomain Retinitis Pigmentosa
/rpb/resources-and-advocacy/re...Subdomain Uveitis / Infectious Diseases
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Test Your Eyes
/rpb/resources-and-advocacy/re...Subdomain Test for Color Blindness
/rpb/resources-and-advocacy/re...Subdomain Test for Macular Degeneration
/rpb/resources-and-advocacy/re...Subdomain Test for Visual Acuity
/rpb/resources-and-advocacy/re...Subdomain More Vision Resources
/rpb/resources-and-advocacy/ad...Subdomain Advocacy
/rpb/resources-and-advocacy/ad...Subdomain Vision Loss Impact
/rpb/members-and-partners/Subdomain Members & Partners 
/rpb/members-and-partners/memb...Subdomain Members
/rpb/members-and-partners/memb...Subdomain Text duplicate Membership
/rpb/members-and-partners/memb...Subdomain Join or Renew Now
/rpb/members-and-partners/memb...Subdomain Order RPB Publications
/rpb/members-and-partners/part...Subdomain Partners
/rpb/members-and-partners/part...Subdomain RPB Partnerships
https://www.rpbusa.org/rpb/about/Subdomain About Us 
/rpb/about/us/Subdomain About Us
/rpb/about/us/about-rpb/Subdomain Text duplicate About RPB
/rpb/about/us/mission-and-hist...Subdomain Mission and History
/rpb/about/us/mission-and-hist...Subdomain Short History of RPB
/rpb/about/us/letter-from-pres...Subdomain Letter from the President
/rpb/about/us/annual-reports/Subdomain Annual Reports & Financials
/rpb/about/us/staff/Subdomain Staff
/rpb/about/us/board/Subdomain Board of Trustees
/rpb/about/us/advisory-panel/Subdomain Scientific Advisory Panel
/rpb/about/us/for-the-media/Subdomain Text duplicate For the Media
/rpb/about/us/for-the-media/news/Subdomain Latest News
/rpb/about/us/privacy-policy/Subdomain Text duplicate Privacy Policy
/rpb/about/us/contact/Subdomain Text duplicate Contact Us
/rpb/about/us/donate/Subdomain Text duplicate Support Us
/rpb/grants-and-research/grants/Subdomain Text duplicate Grants
/rpb/grants-and-research/grant...Subdomain Text duplicate Grants Overview
/rpb/grants-and-research/grant...Subdomain Text duplicate Institutional Grants
/rpb/grants-and-research/grant...Subdomain Text duplicate Unrestricted Grant
/rpb/grants-and-research/grant...Subdomain Text duplicate Challenge Grant
/rpb/grants-and-research/grant...Subdomain Text duplicate Grants for Individuals
/rpb/grants-and-research/grant...Subdomain Text duplicate Career Advancement Award
/rpb/grants-and-research/grant...Subdomain Text duplicate Career Development Award
/rpb/grants-and-research/grant...Subdomain Text duplicate Catalyst Award for Innovative Research Approaches for AMD
/rpb/grants-and-research/grant...Subdomain Text duplicate Disney Award for Amblyopia Research
/rpb/grants-and-research/grant...Subdomain Text duplicate International Research Collaborators Award
/rpb/grants-and-research/grant...Subdomain Text duplicate Medical Student Fellowship
/rpb/grants-and-research/grant...Subdomain Text duplicate Physician-Scientist Award
/rpb/grants-and-research/grant...Subdomain Text duplicate Stein Innovation Award
/rpb/grants-and-research/grant...Subdomain Text duplicate Grants Database
/rpb/grants-and-research/grant...Subdomain Text duplicate Current Grant Recipients
/rpb/grants-and-research/grant...Subdomain Text duplicate Individual Grantees
/rpb/grants-and-research/grant...Subdomain Text duplicate Institutional Grantees
/rpb/grants-and-research/grant...Subdomain Text duplicate Grantee Login
/rpb/news-and-publications/news/Subdomain Text duplicate News
/rpb/news-and-publications/new...Subdomain Text duplicate RPB News
/rpb/news-and-publications/new...Subdomain 2024 RPB News Archive
/rpb/news-and-publications/new...Subdomain Older Stories
/rpb/news-and-publications/new...Subdomain Text duplicate E-Newsletter
/rpb/news-and-publications/pub...Subdomain Text duplicate Publications
/rpb/news-and-publications/pub...Subdomain Text duplicate RPB Publications
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Resources
/rpb/resources-and-advocacy/re...Subdomain Text duplicate RPB Vision Resources
/rpb/resources-and-advocacy/re...Subdomain Text duplicate How the Eye Works
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Amblyopia & Strabismus
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Cataract
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Corneal Disease
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Diabetic Retinopathy
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Dry Eye
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Glaucoma
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Hereditary Ocular Disease
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Low Vision
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Macular Degeneration
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Ocular Cancer
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Retinitis Pigmentosa
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Uveitis / Infectious Diseases
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Test Your Eyes
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Test for Color Blindness
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Test for Macular Degeneration
/rpb/resources-and-advocacy/re...Subdomain Text duplicate Test for Visual Acuity
/rpb/resources-and-advocacy/re...Subdomain Text duplicate More Vision Resources
/rpb/resources-and-advocacy/ad...Subdomain Text duplicate Advocacy
/rpb/resources-and-advocacy/ad...Subdomain Text duplicate Vision Loss Impact
/rpb/members-and-partners/memb...Subdomain Text duplicate Members
/rpb/members-and-partners/memb...Subdomain Text duplicate Membership
/rpb/members-and-partners/memb...Subdomain Text duplicate Join or Renew Now
/rpb/members-and-partners/memb...Subdomain Text duplicate Order RPB Publications
/rpb/members-and-partners/part...Subdomain Text duplicate Partners
/rpb/members-and-partners/part...Subdomain Text duplicate RPB Partnerships
/rpb/about/us/Subdomain Text duplicate About Us
/rpb/about/us/about-rpb/Subdomain Text duplicate About RPB
/rpb/about/us/mission-and-hist...Subdomain Text duplicate Mission and History
/rpb/about/us/mission-and-hist...Subdomain Text duplicate Short History of RPB
/rpb/about/us/letter-from-pres...Subdomain Text duplicate Letter from the President
/rpb/about/us/annual-reports/Subdomain Text duplicate Annual Reports & Financials
/rpb/about/us/staff/Subdomain Text duplicate Staff
/rpb/about/us/board/Subdomain Text duplicate Board of Trustees
/rpb/about/us/advisory-panel/Subdomain Text duplicate Scientific Advisory Panel
/rpb/about/us/for-the-media/Subdomain Text duplicate For the Media
/rpb/about/us/for-the-media/news/Subdomain Text duplicate Latest News
/rpb/about/us/privacy-policy/Subdomain Text duplicate Privacy Policy
/rpb/about/us/contact/Subdomain Text duplicate Contact Us
/rpb/about/us/donate/Subdomain Text duplicate Support Us
/rpb/support/donate/support-us...Subdomain Text duplicate Donate
/rpb/?action=screenSubdomain Text duplicate Login
https://www.rpbusa.org/rpb/Anchor close 6

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.rpbusa.org/rpb/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 slow (1.17 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 4 CSS files. This may affect the page load time negatively.
This page loads 4 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (67 kB).

HTTP Response Header

NameValue
dateWed, 02 Apr 2025 17:59:14 GMT
serverApache/2.4.29 (Ubuntu)
strict-transport-securitymax-age=31536000
content-security-policyupgrade-insecure-requests
set-cookie58 Characters
expiresWed, 02 Apr 2025 17:59:34 GMT
cache-controlpublic
pragma
x-fcnyl-ready-to-cache2025-04-01 21:23:24
x-fcnyl-age-is0
x-fcnyl-expires2025-04-02 13:59:34
last-modifiedWed, 02 Apr 2025 01:23:24 GMT
etag43aa1c7c54c1ef61e1efaa4462d1841e
x-fcnyl-header-generated-byfcnyAction httpOutput
x-fcnyl-response-timer0.317 seconds
varyAccept-Encoding
content-encodinggzip
content-length9326
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 77 referring domains.
This page has 629 backlinks.
This page has backlinks from 72 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Search preview

www.rpbusa.org › rpb
Research to Prevent Blindness

Most important keywords

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

KeywordResultRecheck
Blindness68%Check
Prevent68%Check
Prevent Blindness68%Check
Research66%Check
RPB58%Check
vision research56%Check
Welcome54%Check
color blindness52%Check
research funding50%Check
RPB News49%Check

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