Glueviz.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
42% 
Page structure
100% 
Link structure
91% 
Server
92% 
External factors
100% 
SEO Score
Response time
0.11 s
File size
10.00 kB
Words
353
Media files
15
Number of links
6 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
glue: multi-dimensional linked-data exploration
The length of the page title is perfect. (413 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
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
Server location: United States of America
The language is not specified in the HTML markup.
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
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are only 353 words on this page. Good pages should have about 800 words of useful content.
34.3% 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.
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 16.92 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 6 JavaScript files. This may affect the load time negatively.
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 7 tags for this page.
Image SEO
(Somewhat important)
15 images have no alt attribute. The content of alt attributes is used by search engines.
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)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
http://glueviz.org/images/histogram.pngNo alt attribute provided
http://glueviz.org/images/galaxy.pngNo alt attribute provided
http://glueviz.org/images/python.pngNo alt attribute provided
/images/video_what_is_glue.jpgNo alt attribute provided
http://glueviz.org/images/jwst.jpegNo alt attribute provided
/images/video_scipy_2013.pngNo alt attribute provided
/images/modular-design.pngNo alt attribute provided
http://glueviz.org/images/greece.jpgNo alt attribute provided
/images/video_cfa_2016.pngNo alt attribute provided
http://glueviz.org/images/video_plotly.pngNo alt attribute provided
/images/video_airplanes.jpgNo alt attribute provided
http://glueviz.org/images/video_intro.pngNo alt attribute provided
http://glueviz.org/images/funding_nsf.pngNo alt attribute provided
/images/seamless_astronomy.pngNo alt attribute provided
http://glueviz.org/images/funding_nasa.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
glue: multi-dimensional linked-data exploration
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 glue: multi-dimensional linked-data exploration
H2 glue is an open-source Python library to explore relationships within and between related datasets
H2 glue is a multi-disciplinary tool
H3 Linked Visualizations
H3 Flexible linking across data
H3 Full scripting capability
H3 Video: What is glue?
H3 Blog: glue ❤ JWST
H3 Video: Talk at SciPy 2013
H3 Poster: 2018 NSF SI2 PI Meeting
H3 Video: Greece 2018
H3 Video: Talk at CfA 2016
H3 Video: Exporting to Plotly
H3 Video: Learn to fly glue, fast
H3 Video: glue in 2 minutes
There are too few (6) internal links on this page.
Every linktext is unique.
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
http://glueviz.org/index.htmlglue: multi-dimensional linked-data exploration
http://glueviz.org/index.htmlHome
http://glueviz.org/install.htmlInstall
http://docs.glueviz.org/External Subdomain Documentation
http://glueviz.org/team.htmlTeam
/get_involved.htmlGet involved
http://glueviz.org/plugins.htmlFunctionality
https://www.gluesolutions.io/g...New window External Subdomain glue-con events
https://www.gluesolutions.io/New window External Subdomain Consulting services
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain What is glue?
https://10qviz.org/glue-how-di...External No Text
https://10qviz.org/glue-how-di...External glue ❤ JWST
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain Talk at SciPy 2013
https://figshare.com/s/7aacc37...External No Text
https://figshare.com/s/7aacc37...External 2018 NSF SI2 PI Meeting
https://www.youtube.com/watch?...External Subdomain No Text
https://youtu.be/iU6itosUWZsExternal Greece 2018
http://www.olympiansymposium.o...New window External Subdomain Olympian Symposium 2018: Gas and stars from milli- to mega- parsecs
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain Talk at CfA 2016
https://youtu.be/-jqB7whGuvsExternal No Text
https://youtu.be/-jqB7whGuvsExternal Exporting to Plotly
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain Learn to fly glue, fast
https://www.gluesolutions.io/a...External Subdomain Trivial anchor text
here
https://www.youtube.com/watch?...External Subdomain No Text
https://www.youtube.com/watch?...External Subdomain glue in 2 minutes
https://www.nsf.gov/awardsearc...New window External Subdomain No Text
https://seamlessastronomy.org/New window External No Text
https://jwst.stsci.edu/observi...New window External Subdomain No Text
http://html5up.net/External HTML5 UP

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.11 seconds.
This page only loads 1 CSS files. That's ok.
The file size of the HTML document is fine (10 kB).

HTTP Response Header

NameValue
connectionclose
content-length2978
serverGitHub.com
content-typetext/html; charset=utf-8
last-modifiedSun, 12 Jan 2025 14:09:27 GMT
access-control-allow-origin*
etagW/"6783cd17-27ce"
expiresSat, 10 May 2025 21:19:49 GMT
cache-controlmax-age=600
content-encodinggzip
x-proxy-cacheMISS
x-github-request-id213C:132667:1D6418E:1DAC854:681FC09D
accept-rangesbytes
age0
dateSat, 10 May 2025 22:39:00 GMT
via1.1 varnish
x-served-bycache-fra-eddf8230077-FRA
x-cacheHIT
x-cache-hits0
x-timerS1746916741.835653,VS0,VE95
varyAccept-Encoding
x-fastly-request-ide463ade0bcd3d8ecc8a55d37d703df9eb951b614
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 98 referring domains.
This page has 893 backlinks.
This page has backlinks from 93 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

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Search preview

Most important keywords

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

KeywordResultRecheck
glue75%Check
data66%Check
Linked66%Check
multi-dimensional62%Check
linked-data62%Check
multi-dimensional linked-data62%Check
linked-data exploration62%Check
exploration61%Check
Data Sets54%Check
different data52%Check
Show more keywords and terms

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