Lbl.gov - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
100% 
Page quality
58% 
Page structure
100% 
Link structure
47% 
Server
78% 
External factors
100% 
SEO Score
Response time
1.29 s
File size
68.80 kB
Words
442
Media files
14
Number of links
95 internal / 40 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home – Lawrence Berkeley National Laboratory
The length of the page title is perfect. (428 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.
The length of the meta description is perfect. (965 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.lbl.gov/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionLawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.
theme-color#ffffff
article:modified_time2026-10-19T17:03:58+00:00
langen-us
twitter:cardsummary_large_image
twitter:titleBerkeley Lab | Delivering Science Solutions for the World
twitter:imagehttps://www.lbl.gov/wp-content/uploads/2022/07/XBD201805-00340-001.jpeg
og:localeen_US
og:typewebsite
og:titleBerkeley Lab | Delivering Science Solutions for the World
og:descriptionLawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.
og:urlhttps://www.lbl.gov/
og:site_nameLawrence Berkeley National Laboratory
og:imagehttps://www.lbl.gov/wp-content/uploads/2022/07/XBD201805-00340-001.jpeg
og:image:width800
og:image:height533
og:image:typeimage/jpeg
X-UA-CompatibleIE=edge
charsetUTF-8

Automatically check lbl.gov including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are only 442 words on this page. Good pages should have about 800 words of useful content.
17% 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.
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 16.75 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)
The usage of strong and bold tags is perfect. We recommend the use of up to 9 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
...ontent/uploads/2022/09/berkeley-logo.svgBerkeley Lab logo
...2005-00089_043-scaled-e1656360607893.jpgDetails of various pieces of lab equipment at the at the Metabolomics lab.
...ent/uploads/2022/07/XBD201504-00099.jpegAn intern and mentor examine petri dishes in a lab setting.
.../uploads/2022/08/XBD-202204-023_009.jpegGroup of students standing in the Advanced Light Source dome with a tour guide.
...L_Top_1995x930px_XBD201707-00140-009.jpgBlue and orange magnets of the ALS booster ring.
...to-Denise-Laitsch-WIPAC-4web-890x595.jpgIn the snow at the South Pole, a person in a bright red parka walks toward an enclosed, two-story scientific facility with a system of criss-crossing black ladders on the side, and it's sitting on top of suspension girders and suspended between two (2) three-story-tall white towers.
...nerals_1025x685px_X2.jpg-1-890x595-1.pngillustrated critical minerals.
...uploads/2022/07/XBD201805-00340-001.jpegTwo scientists point at a figure on the computer.
...s/2025/08/330x330_XBD-202502-026-007.jpgBruno La Fontaine, Director of the Center for X-ray Optics (CXRO), speaks on how the CXRO supports the microchip industry.
...s/2025/08/330x330_XBD-202204-025-004.jpgPortrait of Katie Klymko, person with brown hair put into a braid wearing a grey top, smiling.
...0x800px_XBD-202503-037-002-330x330-1.jpgHeadshot of Eva Schill.
...imetry_XBD-202605-104-002-890x593-1.jpegA man in a white lab coat and safety glasses stands next to a microscope, the display from which is on a large computer monitor. The screen shows a sample of tissue stained reddish purple.
...x685px_SWWilliams_Headshot-890x595-1.jpgProfile picture of Samuel Williams.
...6/10/890x665px_ECRP_Gradient-Circles.jpgPortraits of four researchers against a navy background.

Page structure

H1 heading
(Critically important)
Particle Accelerators Get Another Boost
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Particle Accelerators Get Another Boost
H2 Berkeley Lab’s Connections to the 2026 Nobel Prize in Physics
H2 The Science Enabling a Steady Supply of Critical Minerals
H3 Discovery Science
H3 Computing
H3 Energy
H3 Earth Systems
H3 Future Science
H3 DOE National User Facilities
H3 Core Research Areas
H3 A Simple Blood Test Could Reveal Hidden Radiation Exposure
H3 Samuel Williams Honored with E.O. Lawrence Award
H3 Four Berkeley Lab Scientists Receive DOE Early Career Research Awards
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 too many external links (40) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.lbl.gov/Anchor Skip to main content
https://www.lbl.gov/IMG-ALT Berkeley Lab logo
https://www.lbl.gov/about/About
https://www.lbl.gov/about/Our Story
https://www.lbl.gov/impact/Impact
/about/history/History
/about/organization/Organization Chart
/about/leadership/Leadership
/about/university-of-california/University of California
https://newscenter.lbl.gov/External Subdomain News
https://careers.lbl.gov/External Subdomain Careers
https://www.lbl.gov/research/Research
https://www.lbl.gov/research/Research Overview
/research/accelerator-technolo...Accelerator Technologies
/research/cosmic-frontiers/Cosmic Frontiers
/research/materials-and-chemic...Materials and Chemical Sciences
/research/mysteries-of-matter/Mysteries of Matter
https://www.lbl.gov/research/ai/Artificial Intelligence
/research/frontier-computing-s...Frontier Computing
/research/microelectronics-and...Microelectronics
/research/quantum/Quantum Science
/research/bioenergy-biofuels/Bioenergy and Biofuels
/research/biomanufacturing/Biomanufacturing
/research/fusion/Fusion
/research/grid-reliability/Grid Reliability
/research/manufacturing-innova...Manufacturing Innovation
/research/earth-ecological-sys...Earth and Ecological Systems
/research/human-health/Human Health
/research/microbes-to-ecosystems/Microbes to Ecosystems
/research/subsurface-energy-sc...Subsurface Energy Science
/research/water-innovation/Water Innovation
/research/emerging-capabilities/Emerging Capabilities
/research/emerging-ideas/Emerging Ideas
/research/scientists-of-tomorrow/Scientists of Tomorrow
https://www.lbl.gov/capabilities/Capabilities
https://www.lbl.gov/capabilities/Capabilities Overview
https://als.lbl.gov/External Subdomain Advanced Light Source
https://jgi.doe.gov/External Subdomain DOE Joint Genome Institute
https://foundry.lbl.gov/External Subdomain The Molecular Foundry
https://www.nersc.gov/External Subdomain NERSC
https://www.es.net/External Subdomain Energy Sciences Network
/capabilities/facilities-and-c...Other Facilities and Centers
https://biosciences.lbl.gov/External Subdomain Biosciences
https://cs.lbl.gov/External Subdomain Computing Sciences
https://eesa.lbl.gov/External Subdomain Earth and Environmental Sciences
https://energysciences.lbl.gov/External Subdomain Energy Sciences
https://eta.lbl.gov/External Subdomain Energy Technologies
https://physicalsciences.lbl.gov/External Subdomain Physical Sciences
https://www.lbl.gov/people/People
https://www.lbl.gov/people/People Overview
/people/excellence/Excellence
/people/excellence/nobelists/Nobel Prize
/people/excellence/national-me...National Medals
/people/our-community-of-support/Our Community of Support
/people/stewardship/Stewardship
https://www.lbl.gov/engage/Engage
https://www.lbl.gov/engage/Engage Overview
/engage/access-our-facilities/Access Our Facilities
/engage/partner-with-us/Partner With Us
/engage/accelerate-your-career/Accelerate Your Career
/engage/community/Community
/engage/explore-educational-op...Educational Opportunities
/engage/visit-and-connect/Visit and Connect
https://www.lbl.gov/about/Text duplicate About
https://www.lbl.gov/about/Text duplicate Our Story
https://www.lbl.gov/impact/Text duplicate Impact
/about/history/Text duplicate History
/about/organization/Text duplicate Organization Chart
/about/leadership/Text duplicate Leadership
/about/university-of-california/Text duplicate University of California
https://newscenter.lbl.gov/External Subdomain Text duplicate News
https://careers.lbl.gov/External Subdomain Text duplicate Careers
https://www.lbl.gov/research/Text duplicate Research
/research/accelerator-technolo...Text duplicate Accelerator Technologies
/research/cosmic-frontiers/Text duplicate Cosmic Frontiers
/research/materials-and-chemic...Text duplicate Materials and Chemical Sciences
/research/mysteries-of-matter/Text duplicate Mysteries of Matter
https://www.lbl.gov/research/ai/Text duplicate Artificial Intelligence
/research/frontier-computing-s...Text duplicate Frontier Computing
/research/microelectronics-and...Text duplicate Microelectronics
/research/quantum/Text duplicate Quantum Science
/research/bioenergy-biofuels/Text duplicate Bioenergy and Biofuels
/research/biomanufacturing/Text duplicate Biomanufacturing
/research/fusion/Text duplicate Fusion
/research/grid-reliability/Text duplicate Grid Reliability
/research/manufacturing-innova...Text duplicate Manufacturing Innovation
/research/earth-ecological-sys...Text duplicate Earth and Ecological Systems
/research/human-health/Text duplicate Human Health
/research/microbes-to-ecosystems/Text duplicate Microbes to Ecosystems
/research/subsurface-energy-sc...Text duplicate Subsurface Energy Science
/research/water-innovation/Text duplicate Water Innovation
/research/emerging-capabilities/Text duplicate Emerging Capabilities
/research/emerging-ideas/Text duplicate Emerging Ideas
/research/scientists-of-tomorrow/Text duplicate Scientists of Tomorrow
https://www.lbl.gov/capabilities/Text duplicate Capabilities
https://als.lbl.gov/External Subdomain Text duplicate Advanced Light Source
https://jgi.doe.gov/External Subdomain Text duplicate DOE Joint Genome Institute
https://foundry.lbl.gov/External Subdomain Text duplicate The Molecular Foundry
https://www.nersc.gov/External Subdomain Text duplicate NERSC
https://www.es.net/External Subdomain Text duplicate Energy Sciences Network
https://biosciences.lbl.gov/External Subdomain Text duplicate Biosciences
https://cs.lbl.gov/External Subdomain Text duplicate Computing Sciences
https://eesa.lbl.gov/External Subdomain Text duplicate Earth and Environmental Sciences
https://energysciences.lbl.gov/External Subdomain Text duplicate Energy Sciences
https://eta.lbl.gov/External Subdomain Text duplicate Energy Technologies
https://physicalsciences.lbl.gov/External Subdomain Text duplicate Physical Sciences
https://www.lbl.gov/people/Text duplicate People
https://www.lbl.gov/people/Text duplicate People Overview
/people/excellence/Text duplicate Excellence
/people/excellence/nobelists/Text duplicate Nobel Prize
/people/excellence/national-me...Text duplicate National Medals
/people/our-community-of-support/Text duplicate Our Community of Support
/people/stewardship/Text duplicate Stewardship
https://www.lbl.gov/engage/Text duplicate Engage
https://www.lbl.gov/engage/Text duplicate Engage Overview
/engage/access-our-facilities/Text duplicate Access Our Facilities
/engage/partner-with-us/Text duplicate Partner With Us
/engage/accelerate-your-career/Text duplicate Accelerate Your Career
/engage/community/Text duplicate Community
/engage/explore-educational-op...Text duplicate Educational Opportunities
/engage/visit-and-connect/Text duplicate Visit and Connect
https://newscenter.lbl.gov/all...External Subdomain Article
https://newscenter.lbl.gov/all...External Subdomain Genesis Mission
https://physicalsciences.lbl.g...New window External Subdomain Berkeley Lab’s Connections to the 2026 Nobel Prize in Physics
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Article
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Cosmic Frontiers
https://newscenter.lbl.gov/202...New window External Subdomain The Science Enabling a Steady Supply of Critical Minerals
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Article
https://newscenter.lbl.gov/all...External Subdomain Earth Systems
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Article
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Human Health
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Article
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Frontier Computing
https://newscenter.lbl.gov/all...External Subdomain Text duplicate Article
https://newscenter.lbl.gov/all...External Subdomain Awards

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.lbl.gov/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.29 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 (69 kB).

HTTP Response Header

NameValue
dateMon, 26 Oct 2026 00:28:48 GMT
content-typetext/html; charset=UTF-8
servercloudflare
varyAccept-Encoding
link<https://www.lbl.gov/wp-json/>; rel="https://api.w.org/"
x-powered-byWP Engine
x-cacheableSHORT
cache-controlmax-age=600, must-revalidate
x-cacheHIT: 40
x-cache-groupnormal
set-cookie307 Characters
cf-cache-statusDYNAMIC
content-security-policyframe-ancestors 'self' *.lbl.gov;
strict-transport-securitymax-age=31536000
content-encodinggzip
cf-raya50557d0bea2a8a7-CDG
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 2,091 referring domains.
This page has 265,440 backlinks.
This page has backlinks from 1,464 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wp-admin/
Disallow: /wp-login.php

Similar sites

Search preview

www.lbl.gov
Home – Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.

Most important keywords

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

KeywordResultRecheck
Berkeley74%Check
Berkeley Lab73%Check
Lab72%Check
Lawrence Berkeley National70%Check
Lawrence Berkeley National Laboratory69%Check
National66%Check
Lawrence66%Check
National Laboratory64%Check
science59%Check
science solutions56%Check
Show more keywords and terms

Automatically check lbl.gov including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

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