Nrel.gov - SEO Checker

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Overview of the SEO Check
Meta information
88% 
Page quality
47% 
Page structure
100% 
Link structure
92% 
Server
60% 
External factors
100% 
SEO Score
Response time
0.80 s
File size
30.70 kB
Words
403
Media files
8
Number of links
94 internal / 13 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
National Renewable Energy Laboratory (NREL) Home Page | NREL
The page title should be shorter than 580 pixels. It is 609 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The only federal laboratory dedicated to research, development, commercialization, and deployment of renewable energy and energy efficiency technologies.
The length of the meta description is perfect. (968 pixels out of 1000 max pixel length)
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
DescriptionThe only federal laboratory dedicated to research, development, commercialization, and deployment of renewable energy and energy efficiency technologies.
robotsmax-image-preview:large
langen
og:titleNational Renewable Energy Laboratory (NREL) Home Page
og:urlhttps://www.nrel.gov/index.html
X-UA-CompatibleIE=edge
last-modifiedThu, 18 Apr 2024 15:04:14 GMT
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
There are only 403 words on this page. Good pages should have about 800 words of useful content.
20.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
7 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 12.82 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 9 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 191 characters this one is longer than 70 characters:
"the national renewable energy laboratory (nrel) is transforming energy through research, development, ..."
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
/assets/images/nrel-logo-web.svgNational Renewable Energy Laboratory
...e-plastic-pollution-waterpact-rivers.jpgTwo people at a lab bench examine plastic particles from river water samples
/assets/images/hp-data-tools-60110.jpgThree NREL researchers talk in front of video screen.
/assets/images/hp-jobs-58257.jpgTwo NREL scientists on top of a wind turbine.
/assets/images/hp-energy-basics.jpgAn employees hold a sign that says "7 Fun Facts About Hydrogen"
/assets/images/alliance-logo_black.pngAlliance for Sustainable Energy, LLC
/_resources/images/logo-doe-footer.pngU.S. Department of Energy
Video URLWidthHeight
https://www.youtube.com/embed/QNXrOppc920

Page structure

H1 heading
(Critically important)
The (In)Visible Plastic Pollution Problem
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 The (In)Visible Plastic Pollution Problem
H2 Data and Tools
H2 Find a Job
H2 Energy Basics
H2 Research Areas
H3 News
H3 Popular Publications
Some anchor texts are used more than once.
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 13 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.nrel.gov/Anchor Skip to main content
https://www.nrel.gov/IMG-ALT National Renewable Energy Laboratory
https://www.nrel.gov/about/About NREL
/about/vision.htmlMission & Vision
/about/leadership.htmlLeadership
/about/awards.htmlAwards
/about/diversity.htmlDiversity, Equity, Inclusion, & Accessibility
/about/sustainability.htmlSustainability
/about/energy-education.htmlEducation
/about/community.htmlCommunity
/about/history.htmlHistory
/about/ehs.htmlEnvironment, Safety, Health, & Quality
/about/visiting-nrel.htmlVisiting NREL
/about/contacts.htmlContact Information
/research/index.htmlResearch
/research/areas.htmlResearch Areas
/research/partnering-facilitie...Facilities
/research/publications.htmlPublications
/research/data-tools.htmlData & Tools
/research/directorates/index.htmlDirectorates
/research/fellows.htmlFellows
/research/collaborations.htmlCollaborations
/research/highlights/index.htmlHighlights
/research/learning.htmlEnergy Basics
/workingwithus/Partner With Us
/workingwithus/our-partners.htmlOur Partners
/workingwithus/strategic-partn...Public-Private Partnerships
/workingwithus/entrepreneurshi...Entrepreneurship
/workingwithus/university-part...Universities
/workingwithus/licensing.htmlLicensing
/workingwithus/technology-part...Agreements
/workingwithus/procurement.htmlProcurement
https://www.nrel.gov/news/News
/news/news.htmlNews & Feature Stories
/news/subscribe.htmlSubscribe
https://www.nrel.gov/careers/Careers
/careers/find-job.htmlFind a Job
/careers/internships.htmlInternships
/careers/post-docs.htmlPostdoctoral Opportunities
/careers/workforce-development...Workforce Development Affiliate Programs
/careers/discover-nrel.htmlDiscover NREL
/careers/employee-recognition....Employee Recognition
/news/features/2024/the-invisi...IMG-ALT Two people at a lab bench examine plastic particles from river water samples
/news/features/2024/the-invisi...Learn more
/workingwithus/index.htmlPartner with us
/research/data-tools.htmlData and Tools
/careers/find-job.htmlText duplicate Find a Job
/research/learning.htmlText duplicate Energy Basics
/news/news.htmlText duplicate News
/news/subscribe.htmlText duplicate Subscribe
/news/program/2024/nrel-keeps-...NREL Keeps Getting Greener
/news/press/2024/nrel-proof-of...News Release: NREL Proof of Concept Shows Path to Easier Recycling of Solar Modules
/news/program/2024/nrel-resear...NREL Researchers Outline Path Forward for Tandem Solar Cells
/news/features/2024/in2-at-10-...IN² at 10 Years: How It Started, How It's Going, What's Next, and Beyond
/research/publications.htmlPopular Publications
/docs/fy24osti/86245.pdfFederal Aviation Administration Vertiport Electrical Infrastructure Study
/docs/fy24osti/88026.pdfFall 2023 Solar Industry Update
/docs/fy24osti/87646.pdfLong-Duration Energy Storage: Resiliency for Military Installations
/docs/fy24osti/85947.pdfLA100 Equity Strategies. Executive Summary
/docs/gen/fy24/87764.pdf2023 State of Innovation: Emerging Climate Technologies Primed for Private Investment
/research/areas.htmlText duplicate Research Areas
/manufacturing/index.htmlAdvanced Manufacturing
/bioenergy/index.htmlBioenergy
/buildings/index.htmlBuildings
/chemistry-nanoscience/index.htmlChemistry and Nanoscience
/computational-science/index.htmlComputational Science
/analysis/index.htmlEnergy Analysis
/security-resilience/index.htmlEnergy Security and Resilience
/storage/index.htmlEnergy Storage
/geothermal/index.htmlGeothermal
/grid/index.htmlGrid Modernization
/hydrogen/index.htmlHydrogen and Fuel Cells
/energy-solutions/index.htmlIntegrated Energy Solutions
/international/index.htmlInternational Activities
/materials-science/index.htmlMaterials Science
/solar/index.htmlSolar
/state-local-tribal/index.htmlState, Local, and Tribal Governments
/transportation/index.htmlTransportation and Mobility
/water/index.htmlWater
/wind/index.htmlWind
/news/video/nrel-saving-the-pl...Text version
https://www.nrel.gov/index.htmlText duplicate National Renewable Energy Laboratory
/about/index.htmlAbout
/research/index.htmlText duplicate Research
/workingwithus/index.htmlText duplicate Partner With Us
/news/index.htmlText duplicate News
/careers/index.htmlText duplicate Careers
/webmaster.htmlContact Us
/about/visiting-nrel.htmlVisit
/news/subscribe.htmlSubscribe to NREL
https://www.facebook.com/natio...External No Text
https://www.instagram.com/nati...External No Text
https://www.linkedin.com/compa...External No Text
https://www.youtube.com/user/N...External No Text
https://twitter.com/nrel/External No Text
/accessibility.htmlAccessibility
/disclaimer.htmlDisclaimer
/security.htmlSecurity and Privacy
/webmaster.htmlSite Feedback
https://developer.nrel.gov/External Subdomain Developers
https://thesource.nrel.gov/External Subdomain Employees
https://www.allianceforsustain...External IMG-ALT Alliance for Sustainable Energy, LLC
https://www.energy.gov/External IMG-ALT U.S. Department of Energy
https://www.energy.gov/External Text duplicate U.S. Department of Energy
https://www.energy.gov/eere/of...External Office of Energy Efficiency and Renewable Energy
https://www.allianceforsustain...External Alliance for Sustainable Energy LLC
http://cms.nrel.gov/10?skin=ou...External Subdomain Content Editors

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nrel.gov/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.80 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.
This page loads 6 CSS files. This may affect the page load time negatively.
This page loads 9 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (31 kB).

HTTP Response Header

NameValue
dateThu, 25 Apr 2024 20:41:15 GMT
varyOrigin
content-encodinggzip
content-length7550
keep-alivetimeout=5, max=95
connectionclose
content-typetext/html; charset=UTF-8
set-cookie118 Characters
public-key-pinspin-sha256="X3pGTSOuJeEVw989IJ/cEtXUEmy52zs1TZQrU06KUKg=" max-age=15552000; includeSubDomains
x-xss-protection1; mode=block
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
access-control-allow-origindomain
cache-controlno-cache, no-store, must-revalidate, max-age=0, s-maxage=0
strict-transport-securitymax-age=31622400
statuscode200
http_versionHTTP/1.1

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 23,466 referring domains.
This page has 1,622,504 backlinks.
This page has backlinks from 14,907 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

www.nrel.gov
National Renewable Energy Laboratory (NREL) Home Page | NREL
The only federal laboratory dedicated to research, development, commercialization, and deployment of renewable energy and energy efficiency technologies.

Most important keywords

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

KeywordResultRecheck
Energy70%Check
Renewable Energy67%Check
Renewable Energy Laboratory66%Check
NREL65%Check
Laboratory64%Check
National Renewable Energy Laboratory63%Check
energy efficiency60%Check
Plastic58%Check
National Laboratory58%Check
Research56%Check
Show more keywords and terms

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