Ccr.cancer.gov - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
71% 
Page structure
70% 
Link structure
93% 
Server
31% 
External factors
100% 
SEO Score
Response time
1.20 s
File size
46.30 kB
Words
318
Media files
8
Number of links
40 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The National Cancer Institute's Center For Cancer Research | Center for Cancer Research
The page title should be shorter than 580 pixels. It is 811 pixels long. Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The NCI Center for Cancer Research is dedicated to solving important, challenging and neglected problems in cancer research and patient care.
The length of the meta description is perfect. (887 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://ccr.cancer.gov/
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
descriptionThe NCI Center for Cancer Research is dedicated to solving important, challenging and neglected problems in cancer research and patient care.
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 318 words on this page. Good pages should have about 800 words of useful content.
25.8% 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.
3 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 17.67 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=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 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
/themes/custom/ccr/logo.svgHome
...es/custom/ccr/assets/img/close-white.svgclose
...tifan image.png?h=60a9e832&itok=HU-xhR_VIn people with VHL disease, HIF protein complexes accumulate and promote tumor growth. By binding to HIF-2α (green portion of the HIF protein complex), belzutifan (purple hexagon) inhibits HIF’s tumor-promoting activity.
...hylogeny_v2.png?h=118f97a5&itok=LYXDfkrIPhylogenetic tree of 94 viral strains corresponding to 153 viral peptides that are beneficial virus-related antigens. Colors in the circles indicate different virus classifications at the species (inner circle) and genus (outer circle) level.
.../2025-05/17.png?h=e4dbecf3&itok=U9fj8kKbDoctor speaking with patient. Image credit: Canva
...Lee clinical fellow lg.png?itok=jElcRieeA patient speaks with a CCR nurse and scientist-physician
...21-03/science-research.png?itok=2bF_lEurScience
...rgical oncology 43 (1).png?itok=51KOso4ZSurgical Oncology clinical trainees

Page structure

H1 heading
(Critically important)
Center for Cancer Research
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Center for Cancer Research
H1 12
H1 192
H1 857
H2 Latest News
H2 Clinical Trials
H2 Research
H2 Training Opportunities
H2 What can we help you find?
H2 Main navigation
H2 Footer
H3 Belzutifan works steadily in people with VHL-associated tumors
H3 Protein found on the common cold virus can activate anti-cancer immune response
H3 Clinical trial researching radiation for brain cancer
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 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://ccr.cancer.gov/Anchor Skip to main content
http://www.cancer.gov/External Subdomain National Cancer Institute - Cancer.gov
https://ccr.cancer.gov/IMG-ALT Home
A-TITLE Home
https://ccr.cancer.gov/Text duplicate Home
/ccr-centralCCR Central (Staff only)
https://ccr.cancer.gov/user/loginLog in
https://ccr.cancer.gov/aboutLearn More
/news/article/belzutifan-works...IMG-ALT In people with VHL disease, HIF protein complexes accumulate and promote tumor growth. By binding to HIF-2α (green portion of the HIF protein complex), belzu...
/news/article/belzutifan-works...Belzutifan works steadily in people with VHL-associated tumors
/news/article/protein-found-on...IMG-ALT Phylogenetic tree of 94 viral strains corresponding to 153 viral peptides that are beneficial virus-related antigens. Colors in the circles indicate differen...
/news/article/protein-found-on...Protein found on the common cold virus can activate anti-cancer immune response
/news/article/clinical-trial-r...IMG-ALT Doctor speaking with patient. Image credit: Canva
/news/article/clinical-trial-r...Clinical trial researching radiation for brain cancer
https://ccr.cancer.gov/newsView All News
/clinical-trials/patientsFor Patients
/clinical-trials/physiciansReferring Physicians
/clinical-trials/lab-branch-pr...Clinical Labs/Branches
/clinical-trials/patients/faqClinical Trials FAQs
/clinical-trialsFind a Clinical Trial
/research/find-researcherFind an Expert
/research/lab-branch-program-d...Find a Lab/Branch
/news/magazinesResearch Highlights
https://ccr.cancer.gov/newsNews
https://ccr.cancer.gov/researchExplore Research
/training/trainee-resourcesTrainee Resources
https://ccr.cancer.gov/aboutGet to Know CCR
/careers/searchOpportunities
/about/visitOur Campuses
https://ccr.cancer.gov/trainingTraining at CCR
/careers/search12 Open Career Opportunities
/clinical-trials/all192 Clinical Trials Enrolling
/staff-directory857 Researchers / Experts
https://ccr.cancer.gov/Text duplicate Home
/clinical-trialsClinical Trials
https://ccr.cancer.gov/researchResearch
https://ccr.cancer.gov/trainingTraining
https://ccr.cancer.gov/careersCareers
https://ccr.cancer.gov/newsText duplicate News
https://ccr.cancer.gov/aboutAbout CCR
/ccr-centralText duplicate CCR Central (Staff only)
https://www.facebook.com/cance...External Subdomain Facebook
https://www.youtube.com/user/N...External Subdomain YouTube
https://www.hhs.gov/External Subdomain U.S. Department of Health and Human Services
https://www.nih.gov/External Subdomain National Institutes of Health
https://www.cancer.gov/External Subdomain National Cancer Institute
https://www.usa.gov/External Subdomain USA.gov
/about/contactContact Us
https://www.cancer.gov/global/...External Subdomain Viewing Files
https://www.cancer.gov/about-c...External Subdomain COVID-19 Resources
https://www.cancer.gov/global/...External Subdomain Policies
https://www.cancer.gov/global/...External Subdomain Accessibility
https://www.cancer.gov/policie...External Subdomain Disclaimer
https://www.cancer.gov/global/...External Subdomain FOIA
https://www.hhs.gov/vulnerabil...External Subdomain HHS Vulnerability Disclosure

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://ccr.cancer.gov/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time is slow (1.20 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 (46 kB).

HTTP Response Header

NameValue
dateThu, 15 May 2025 18:13:56 GMT
content-typetext/html; charset=UTF-8
content-length47388
serverApache
cache-controlmax-age=86400, public
x-drupal-dynamic-cacheMISS
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
varyCookie
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
strict-transport-securitymax-age=31536000; includeSubDomains; preload
last-modifiedThu, 15 May 2025 18:13:28 GMT
etag"1747332808"
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 424 referring domains.
This page has 2,845 backlinks.
This page has backlinks from 242 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
Disallow: /staff-directory?*
Disallow: /search?*
Disallow: /careers/search?*
Disallow: /clinical-trials/all?*
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password/
Disallow: /index.php/user/register/
Disallow: /index.php/user/login/
Disallow: /index.php/user/logout/

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Search preview

ccr.cancer.gov
The National Cancer Institute's Center For Cancer Research | C...
The NCI Center for Cancer Research is dedicated to solving important, challenging and neglected problems in cancer research and patient care.

Most important keywords

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

KeywordResultRecheck
Cancer89%Check
Cancer Research84%Check
Research79%Check
Research Center78%Check
Center73%Check
National Cancer69%Check
Cancer Institute69%Check
Clinical Center61%Check
National Cancer Institute's Center56%Check
CCR50%Check
Show more keywords and terms

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