Education.jlab.org - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
54% 
Page structure
100% 
Link structure
96% 
Server
24% 
External factors
100% 
SEO Score
Response time
0.86 s
File size
10.70 kB
Words
302
Media files
3
Number of links
37 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Science Education at Jefferson Lab
The length of the page title is perfect. (316 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Jefferson Lab's Science Education Site - Science and Math Resources for Students and Teachers
The length of the meta description is perfect. (598 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-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)
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
keywordsresources,science materials,science resources,materials for teachers,resources for teachers,games,crossword games,crossword puzzles,science games,education games,flashcards,flashcard games,elements,table of elements,periodic table of elements, science education,education materials,science activities,education activities,fun activities,fun games,learn about science,learn about elements,student aids
descriptionJefferson Lab's Science Education Site - Science and Math Resources for Students and Teachers
robotsindex,all
langen-us
charsetutf-8

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Page quality

Content
(Critically important)
Only 2 paragraph/s was/were found on this page.
There are only 302 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 25.25 words is high.
20.5% 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.
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 Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
This page only loads 1 JavaScript files. That's good!
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
/g/scied_logo_sm.pngScience Education Home
/g/scied_home_img_1.jpgPhysics Fest is Fun!
/frost/img/_for_home_page/bubbles.jpgStatic Electricity and Bubbles!

Page structure

H1 heading
(Critically important)
Science Education at Jefferson Lab
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Science Education at Jefferson Lab
H2 For The Public
H2 For Researchers
H2 For Education
H2 For Business
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 (27) on this page.

Found links on this page

LinkAttributesAnchor text
/index.htmlIMG-ALT Science Education Home
A-TITLE JLab Science Education Home
/index.htmlHome
A-TITLE JLab Science Education Home
/indexpages/teachers.htmlTeachers
A-TITLE Teacher Tools
/indexpages/Students
A-TITLE Student Zone
/indexpages/elementgames.htmlGames
A-TITLE Games and Puzzles
/indexpages/science_videos.htmlVideos
A-TITLE Science Videos
/solquiz/VA SOL
A-TITLE Virginia Standards of Learning Practice Tests
/indexpages/program.htmlPrograms
A-TITLE Programs and Events
/pcedinfo/scied_booklet.pdfScience Education Programs brochure
/teachernight/April 3 - Teacher Night at Jefferson Lab
/physicsfest/Reserve space today!
/frost/cold_stuff.htmlCold Stuff
/frost/electromagnets.htmlElectromagnets
/frost/mystery_materials_densi...Mystery Materials
/frost/uv_detectives.htmlUV Detectives
/atomtour/All About Atoms
/itselemental/Periodic Table of Elements
/solquiz/SOL Practice Tests
/million/Who Wants to Win...
https://education.jlab.org/qa/Questions and Answers
/vocabhangman/Science Vocabulary Hangman
https://education.jlab.org/frost/Frostbite Theater
/solquiz/Surprise me!
/frost/bubbles.htmlIMG-ALT Static Electricity and Bubbles!
/frost/bubbles.htmlText duplicate Static Electricity and Bubbles!
/itselemental/ele084.htmlPolonium
/itselemental/ele006.htmlCarbon
/itselemental/ele016.htmlSulfur
/itselemental/ele116.htmlLivermorium
/itselemental/ele114.htmlFlerovium
/faq/index.htmlCitation and linking information
https://www.jlab.org/External Subdomain Jefferson Lab Resources
https://www.jlab.org/about/External Subdomain For The Public
https://www.jlab.org/eic/External Subdomain Electron-Ion Collider
https://careers.peopleclick.co...External Subdomain Job Openings
https://www.jlab.org/pressroom...External Subdomain News
https://www.jlab.org/pressroom/External Subdomain Press Room
https://www.jlab.org/research/External Subdomain Research Highlights
https://www.jlab.org/visiting/External Subdomain Visiting
https://www.jlab.org/scientists/External Subdomain For Researchers
https://www.jlab.org/accelerator/External Subdomain Accelerator Science
https://www.eiccenter.org/External Subdomain EIC Center
https://www.jlab.org/eic-partn...External Subdomain EIC Partner Project
https://www.jlab.org/engineering/External Subdomain Engineering
https://www.jlab.org/physics/External Subdomain Nuclear Physics
https://www.jlab.org/IT/Public...External Subdomain Publications
https://www.jlab.org/theory/External Subdomain Theory Center
https://www.jlab.org/physics/u...External Subdomain User Information
https://education.jlab.org/Subdomain For Education
/indexpages/elementgames.htmlGames & Puzzles
https://gspda.jlab.org/wiki/in...External Subdomain Postdoc/Grad Students
/indexpages/program.htmlPrograms & Events
/indexpages/science_videos.htmlScience Cinema
/indexpages/Student Zone
/indexpages/teachers.htmlTeacher Tools
https://www.jlab.org/business-...External Subdomain For Business
https://www.jlab.org/about/com...External Subdomain Community Impact
https://www.jlab.org/eshq/emer...External Subdomain Emergency Preparedness
https://www.jlab.org/about/com...External Subdomain Event Services
https://www.jlab.org/partnershipsExternal Subdomain Partnerships
https://misportal.jlab.org/mis...External Subdomain Phone Book
https://www.jlab.org/finance/p...External Subdomain Procurement
https://www.jlab.org/finance/p...External Subdomain Small Business Program
https://www.jlab.org/techtrans...External Subdomain Technology Transfer

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://education.jlab.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time of 0.86 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 3 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (11 kB).

HTTP Response Header

NameValue
dateTue, 01 Apr 2025 01:40:12 GMT
serverApache/2.4.6 (Red Hat Enterprise Linux)
strict-transport-securitymax-age=63072000; preload
connectionclose
transfer-encodingchunked
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 6,449 referring domains.
This page has 561,394 backlinks.
This page has backlinks from 2,215 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

education.jlab.org
Science Education at Jefferson Lab
Jefferson Lab's Science Education Site - Science and Math Resources for Students and Teachers

Most important keywords

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

KeywordResultRecheck
Education91%Check
Lab85%Check
Science Education85%Check
Jefferson Lab79%Check
Science75%Check
Jefferson73%Check
Thomas Jefferson54%Check
Students46%Check
Teachers46%Check
math46%Check
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