SEO report of cleannet.org

Redirected to cleanet.org/index.html

CLEAN

cleanet.org/index.html

A collection of 650+ free, ready-to-use resources rigorously reviewed by educators and scientists. Suitable for secondary through higher education ...


 Tasks

  • Select one version of your site as main and make a redirect from other versions to that one.
  • Avoid using deprecated HTML tags.

 SEO

URL

Domain : cleanet.org/index.html

Character length : 22

Title
CLEAN
Description
A collection of 650+ free, ready-to-use resources rigorously reviewed by educators and scientists. Suitable for secondary through higher education classrooms. Browse by NGSS » Search the Collection » Ice ...
Keywords (meta keywords)
Teach the Earth:Incorporating Societal Issues:Energy, Climate Change, Page:Index Page, Project Site,

Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol

Good! The OG (Open Graph) protocol is set on this website.

title: CLEAN
site_name: CLEAN
description: A collection of 650+ free, ready-to-use resources rigorously reviewed by educators and scientists. Suitable for secondary through higher education classrooms. Browse by NGSS » Search the Collection » Ice ...
locale: en_US
type: website
url: https://cleanet.org/index.html
updated_time: 2017-05-05T09:42:40-0500
image: https://serc.carleton.edu/images/clean/workspace/clean_logo_b_100.jpg

Dublin Core
Dublin Core is not used
Underscores in the URLs
Error! Hyphen (-) is a better solution than underscore (_) in the URLs
Search engine friendly URLs
Error! Not all URLs are SEO friendly on this website!
Checking the robots.txt file
The robots.txt file is missing!

 Social

Social Engagement

Linkedin11

Facebook Share0

Facebook Comments0

 Content

Doctype
Missing doctype element
Encoding
Perfect! The character encoding is set: UTF-8.
Language
Error! No language localization is found.
Title
CLEAN

Character length : 5

Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 14%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
H1H2H3H4H5H6
2100000
Heading structure in the source code
  • <H1> Collection of Climate and Energy Educational Resources
  • <H1> Featured Resources from our Collection
  • <H2> Ice Core Secrets Could Reveal Answers to Global Warming
  • <H2> CO2 in the Ice Core Record
  • <H2> Soil Microbes and Global Warming
  • <H2> Ch-Ch-Ch-Changes
  • <H2> Hello Crud
  • <H2> Guidance in Teaching Climate and Energy Science
  • <H2> CLEAN Network
  • <H2> About the CLEAN Project
  • <H2> CLEAN Review Process
  • <H2> News
Word cloud
  • clean12
  • climate8
  • ice7
  • collection7
  • resources5
  • energy5
  • video4
  • under4
  • reuse4
  • license4
  • item4
  • national4
  • provide3
  • educational3
  • science3
  • core3
  • warming3
  • global3
  • ngss3
  • non-commercial2
  • offered2
  • provenance2
  • hide2
  • cores2
  • caption2
  • past2
  • purposes2
  • record2
  • ncse2
  • creative2
  • http2
  • similar2
  • works2
  • derivative2
  • attribution2
  • carleton2
  • offer2
  • commons2
  • how2
  • attribution-noncommercial-sharealike2
  • long2
  • sea2
  • creativecommons2
  • teaching2
  • research2
  • guidance2
  • institute2
  • university2
  • foundation2
  • network2
  • arctic2
Keyword matrix
wordtitledescriptionsheading
clean
climate
ice
collection
resources
energy
Two Word cloud
  • educational resources3
  • item for2
  • provide attribution2
  • any derivative2
  • may reuse2
  • derivative works2
Three Word cloud
  • you may reuse2
  • offer any derivative2
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.

 Technologies

Mobile optimization
This website is optimal for mobile devices!
Detected applications
AddThisWidgets
DojoJavaScript Frameworks
FacebookWidgets
Google AnalyticsAnalytics
ModernizrJavaScript Frameworks
New RelicAnalytics
PiwikAnalytics
VideoJSVideo Players
jQueryJavaScript Frameworks
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Printability
Good! The website uses printer-friendly CSS.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.

 Speed test

Server response time
The server response time is fast enough.
Loading time
2,104 ms
Table layout
Good! No nested tables found.
Number of HTTP resources
64
Number of source domains
12
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
  • https://cleanet.org/scripts/videojs/videojs-ie8.min.v1510939503.js
  • https://cleanet.org/scripts/videojs/video.v1510939503.js
  • https://cleanet.org/.. /videojs-resolution-switcher.v1510939503....
  • https://cleanet.org/scripts/modernizr.custom.10-18-11.v1416946736.js
  • https://cleanet.org/scripts/dojo-release1.10.4/release/dojo/dojo.js
  • https://cleanet.org/.. /base_deps.v1435766791.js
  • https://cleanet.org/scripts/local/base_dojo.v1513697013.js
  • https://cleanet.org/scripts/jquery/1.10.2/jquery.min.js
  • https://cleanet.org/.. /jquery.bxslider.min.v1416946736.js
  • https://cleanet.org/.. /default.v1492788720.js
List of render blocking css files
  • https://d32ogoqmya1dw8.cloudfront.net/.. /clean_front_2014.v1510785019.css
  • https://cleanet.org/scripts/videojs/video-js.v1510939503.css
  • https://cleanet.org/.. /videojs-resolution-switcher.min.v1510939...
  • https://cleanet.org/.. /jquery.bxslider.v1416946736.css

 Speed test – Javascript

Javascript
Error! Too many javascript files found which slows down the page load on the website.
  • https://cleanet.org/scripts/modernizr.custom.10-18-11.v1416946736.js
  • https://cleanet.org/scripts/dojo-release1.10.4/release/dojo/dojo.js
  • https://cleanet.org/scripts/dojo-release1.10.4/release/serc-build/base_deps.v1435766791.js
  • https://cleanet.org/scripts/local/base_dojo.v1489774947.js
  • https://cleanet.org/scripts/jquery/1.10.2/jquery.min.js
  • https://cleanet.org/scripts/jquery.bxslider/jquery.bxslider.min.v1416946736.js
  • https://cleanet.org/scripts/local/chrome_specific/default.v1492788720.js
File size of all javascript files combined
2.33MB
Javascript minifying
You can save 102.2KB (57% compression) on the analysed URL by minifying the javascript files.

 Speed test – CSS

CSS
Good! Just a few CSS files are used on this website.
  • https://cleanet.org/scripts/jquery.bxslider/jquery.bxslider.v1416946736.css
File size of all css files combined
219.60KB
CSS minifying
You can save 5.2KB (13% compression) on the analysed URL by minifying the CSS files.

 Speed test – Compression

Uncompressed size of the of the HTML
193.86KB
Gzip compression
Your site uses compression.

 Speed test – Browser cache

Number of static resources (image, JS, CSS)
53
Browser cache
The browser cache is not set correctly for all elements.
URLDuration
https://cleanet.org/1-pix.gifExpiry time is not specified
https://cleanet.org/images/ajax-loader.gifExpiry time is not specified
https://cleanet.org/images/ccl/organizations/cires_logo.jpgExpiry time is not specified
https://cleanet.org/images/clean/banner.gifExpiry time is not specified
https://cleanet.org/images/clean/doe_logo.pngExpiry time is not specified
https://cleanet.org/images/clean/twitter_follow_logo.pngExpiry time is not specified
https://cleanet.org/images/creativecommons_16.pngExpiry time is not specified
https://cleanet.org/images/earthlabs/noaalogo.gifExpiry time is not specified
https://cleanet.org/images/eet/terc_small.gifExpiry time is not specified
https://cleanet.org/images/facebook.gifExpiry time is not specified
https://cleanet.org/images/information_16.pngExpiry time is not specified
https://cleanet.org/images/serc/nsf_small.gifExpiry time is not specified
https://cleanet.org/images/serc/sercatcarleton_logo.gifExpiry time is not specified
https://cleanet.org/.. /cookie.jsExpiry time is not specified
https://cleanet.org/scripts/dojo-release1.10.4/release/dojo/dojo.jsExpiry time is not specified
https://cleanet.org/.. /blank.gifExpiry time is not specified
https://cleanet.org/.. /base_deps.v1435766791.jsExpiry time is not specified
https://cleanet.org/.. /base_deps_en-us.jsExpiry time is not specified
https://cleanet.org/.. /jquery.bxslider.min.v1416946736.jsExpiry time is not specified
https://cleanet.org/.. /jquery.bxslider.v1416946736.cssExpiry time is not specified
https://cleanet.org/scripts/jquery/1.10.2/jquery.min.jsExpiry time is not specified
https://cleanet.org/scripts/local/base_dojo.v1513697013.jsExpiry time is not specified
https://cleanet.org/.. /default.v1492788720.jsExpiry time is not specified
https://cleanet.org/scripts/local/piwik-min.v2.jsExpiry time is not specified
https://cleanet.org/scripts/modernizr.custom.10-18-11.v1416946736.jsExpiry time is not specified
https://cleanet.org/scripts/videojs/video-js.v1510939503.cssExpiry time is not specified
https://cleanet.org/scripts/videojs/video.v1510939503.jsExpiry time is not specified
https://cleanet.org/scripts/videojs/videojs-ie8.min.v1510939503.jsExpiry time is not specified
https://cleanet.org/.. /videojs-resolution-switcher.min.v1510939...Expiry time is not specified
https://cleanet.org/.. /videojs-resolution-switcher.v1510939503....Expiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_front_2014.v1510785019.cssExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /student_learning_online.v2.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_testimonial_1.v6_324.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_testimonial_2.v3_324.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_testimonial_3.v4_324.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_testimonial_4.v3_324.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_testimonial_5.v3_324.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_video_cover_shot.v5.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /friendofplanet.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_ngss_details_200.pngExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /clean_concept_image.v7_200.pngExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /a643ed45e6885305c3ca224a2fddd806_520.jpg...Expiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /3ed1aa4789703a1b69ea436068d084bd_520.jpg...Expiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/.. /banner_background.jpgExpiry time is not specified
https://d32ogoqmya1dw8.cloudfront.net/styles/print.v1439391966.cssExpiry time is not specified
https://m.addthisedge.com/.. /_ate.track.config_resp60 seconds
https://s7.addthis.com/js/250/addthis_widget.js10 minutes
https://connect.facebook.net/en_US/sdk.js20 minutes
https://js-agent.newrelic.com/nr-1071.min.js2 hours
https://www.google-analytics.com/analytics.js2 hours

 Speed test – Images

File size of all images combined
532.95KB
Image optimisation
You can save 19KB (19% compression) by optimising the images below:

 Links

We found a total of 44 different links.
Internal links: 32
External links: 12

External links:

Internal links:

Link text (anchor) Link strength

 Website security

IP
52.7.108.128
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.

 Icons

Favicon
Good! The website uses favicon.

 Order of Heading elements on mobile by position

  • H1 : Collection of Climate and Energy Educational Resources, ( 227.390625px from top )
  • H2 : Guidance in Teaching Climate and Energy Science, ( 607px from top )
  • H2 : CLEAN Network, ( 826px from top )
  • H2 : About the CLEAN Project, ( 991.734375px from top )
  • H2 : News, ( 992.78125px from top )
  • H2 : CLEAN Review Process, ( 1095.734375px from top )

 Typos

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