Ambermd.org - SEO Checker

Overview of the SEO Check
Meta information
97% 
Page quality
41% 
Page structure
68% 
Link structure
97% 
Server
83% 
External factors
100% 
SEO Score
Response time
0.58 s
File size
10.20 kB
Words
370
Media files
5
Number of links
28 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Amber Molecular Dynamics Package
The length of the page title is perfect. (368 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Amber is a package of programs for molecular dynamics simulations of proteins and nucleic acids
The length of the meta description is perfect. (600 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)
No favicon is linked in the HTML code.

Meta tags

NameValue
descriptionAmber is a package of programs for molecular dynamics simulations of proteins and nucleic acids
keywordsmolecular dynamics,proteins,nucleic acids,biomolecular simulation,Peter Kollman,David Case
langen
content-typetext/html; charset=UTF-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 370 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 3.42 words is low.
31.4% of the text are stop words.
7 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 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.

Page structure

H1 heading
(Critically important)
Welcome to Amber!
The H1 heading contains the words Welcome to! Use important keywords instead.
The H1 heading is too short (17 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Welcome to Amber!
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 12 external links on this page.
LinkAttributesAnchor text
/AmberTools.phpAmberTools25
https://ambermd.org/AmberMD.phpAmber24
https://ambermd.org/Manuals.phpManuals
https://ambermd.org/tutorials/Tutorials
/AmberModels.phpForce Fields
https://ambermd.org/Contact.phpContacts
https://ambermd.org/History.phpHistory
https://ambermd.org/GetAmber.phpDownload Amber
/Installation.phpInstallation
https://ambermd.org/CiteAmber.phpAmber Citations
/GPUSupport.phpGPU Support
https://ambermd.org/BugFixes.phpUpdates
/MailingLists.phpMailing Lists
/ForEducators.phpFor Educators
/FileFormats.phpFile Formats
/contributors.htmlContributors
/workshops/index.phpWorkshops
https://ambermd.org/History.phphistory page
/contributors.htmlcontributors page
/AmberModels.phpforce fields
/AmberTools.phppackage of molecular simulation programs
/AmberTools.phpText duplicate AmberTools25
https://ambermd.org/AmberMD.phpText duplicate Amber24
https://ambermd.org/GetAmber.phpText duplicate Download Amber
http://casegroup.rutgers.edu/External Subdomain David Case
http://www.chpc.utah.edu/~chea...External Subdomain Tom Cheatham
https://www.faculty.uci.edu/pr...External Subdomain Ray Luo
http://www.merzgroup.org/External Subdomain Ken Merz
https://sites.google.com/view/...External Subdomain Maria Nagan
https://www.lobos.nih.gov/hpcs...External Subdomain Dan Roe
http://www.qtp.ufl.edu/~roitberg/External Subdomain Adrian Roitberg
http://laufercenter.stonybrook...External Subdomain Carlos Simmerling
http://www.pharmacy.pitt.edu/d...External Subdomain Junmei Wang
http://theory.rutgers.edu/External Subdomain Darrin York
/contributors.htmlmany others
http://www.conflex.co.jp/prod_...External Subdomain Introduction to Amber in Japanese.
/2012_wires.pdfPDF
https://pubs.acs.org/doi/10.10...External Subdomain J. Chem. Inf. Model. 63, 6183-6191 (2023).
/AmberModels.phpforce field page
/code_of_conduct.phpAMBER Code of Conduct

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://ambermd.org/"
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 of 0.58 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 only loads 1 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (10 kB).

HTTP Response Header

NameValue
dateMon, 30 Jun 2025 21:18:35 GMT
serverApache/2.4.52 (Ubuntu)
varyAccept-Encoding
content-encodinggzip
content-length3372
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 471 referring domains.
This page has 873 backlinks.
This page has backlinks from 272 different ip addresses.

Robots.txt

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ambermd.org
The Amber Molecular Dynamics Package
Amber is a package of programs for molecular dynamics simulations of proteins and nucleic acids

Most important keywords

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

KeywordResultRecheck
Amber93%Check
Mol59%Check
molecular58%Check
package58%Check
Amber biomolecular simulation57%Check
Amber Molecular Dynamics Package57%Check
Welcome50%Check
simulation46%Check
programs46%Check
simulation programs46%Check

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