Gnuradio.org - SEO Checker

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Overview of the SEO Check
Meta information
62% 
Page quality
68% 
Page structure
66% 
Link structure
78% 
Server
68% 
External factors
100% 
SEO Score
Response time
1.53 s
File size
15.50 kB
Words
448
Media files
27
Number of links
18 internal / 33 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
GNU Radio
The page title is too short. (105 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
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)
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 character encoding is not specified in the HTTP header.
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
robotsall,follow
googlebotindex,follow,snippet,archive
viewportwidth=device-width,initial-scale=1
authorEmpty
descriptionEmpty
generatorHugo 0.124.1
langen-us
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 448 words on this page. Good pages should have about 800 words of useful content.
32.1% 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.
5 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 14 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 9 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width,initial-scale=1" is provided.
At least one Apple touch icon is specified.
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)
5 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)
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
/gnuradio_logo_glyphs_as_paths.svgGNU Radio logo
/gnuradio_logo_glyphs_as_paths.svgGNU Radio logo
https://www.gnuradio.org/gr_web.svgNo alt attribute provided
https://www.gnuradio.org/conference_web.svgNo alt attribute provided
https://www.gnuradio.org/gr_web.svgNo alt attribute provided
/volk_release_web.svgNo alt attribute provided
https://www.gnuradio.org/conference_web.svgNo alt attribute provided
/ADI-Logo-AWP-Tagline-CMYK-FullColor.jpgAnalog Devices
https://www.gnuradio.org/bsrc_bl_logo.pngBerkeley SETI Research Center
https://www.gnuradio.org/kit-cel.svgKIT CEL
https://www.gnuradio.org/iap-logo-eng.pngLiebnitz Institute of Atmospheric Physics
https://www.gnuradio.org/emerson_ni.pngNational Instruments
https://www.gnuradio.org/peraton.pngPeraton
https://www.gnuradio.org/seemoo.svgSEEMOO
https://www.gnuradio.org/syrte.pngSYRTE
/wiscaRefRoundV2.jpgWISCA
/Cardiff_University_(logo).svg.pngCardiff University
https://www.gnuradio.org/ccera.pngCanadian Center for Experimental Radio Astronomy
https://www.gnuradio.org/citi.pngciti-lab
https://www.gnuradio.org/deepsig_logo.svgDeepSig
https://www.gnuradio.org/femto.pngfemto-st
/muon_space_logo.svgMUON SPACE
https://www.gnuradio.org/redwire_logo.pngRed Wire Technologies
https://www.gnuradio.org/seti_institute.pngSETI Institute
https://www.gnuradio.org/UiT_Segl_Eng.pngArctic University of Norway (UiT)
https://www.gnuradio.org/xlim.pngxlim
https://www.gnuradio.org/gnufooter.svgGeneric placeholder image

Page structure

H1 heading
(Critically important)
GNU Radio Conference 2024
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 GNU Radio Conference 2024
H1 Learn how to use GNU Radio
H1 Install GNU Radio
H2 Recent News
H2 GNU Radio is Used By
H2 Contact Us
H2 Connect with Us
H2 Donate to GNU Radio
H3 Learn how to use GNU Radio Duplicate text
H3 ©2024 Radio project. All rights reserved.
H4 September 16 - 20, 2024
H4 GNU Radio has developed official, step-by-step tutorials, aimed at helping learners at all levels
H4 Installing GNU Radio is easy on modern Linux, Mac OS and Windows machines
H4 2024 European GNU Radio Days, August 27 to 31
H4 VOLK v3.1.2 release
H4 VOLK v3.1.1 release
H4 GRCon 2024 - Knoxville, TN, Sept 16-20
Some anchor texts are used more than once.
4 links don't have an anchor text.
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 (33) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.gnuradio.org/GNU Radio - go to homepage
IMG-ALT GNU Radio logo
https://www.gnuradio.org/news/News
https://www.gnuradio.org/about/About GNU Radio
/leadership/Leadership
https://wiki.gnuradio.org/inde...External Subdomain Installation
https://wiki.gnuradio.org/inde...External Subdomain 📖 Tutorials
https://wiki.gnuradio.org/inde...External Subdomain Block Documentation
https://events.gnuradio.org/e/...External Subdomain GNU Radio Conference 2024
https://events.gnuradio.org/e/...External Subdomain GNU Radio Conference 2023
https://events.gnuradio.org/ev...External Subdomain GNU Radio Conference 2022
https://events.gnuradio.org/ev...External Subdomain GNU Radio Conference 2021
https://wiki.gnuradio.org/inde...External Subdomain Previous GNU Radio Conferences
/community/Get in Touch & Get Involved
https://github.com/gnuradio/gn...External Work on the Source Code
https://www.gnuradio.org/gsoc/GSoC '24
https://gift.idonate.com/seti/...External Subdomain Donate
https://events.gnuradio.org/e/...New window External Subdomain GNU Radio Conference 2024 September 16 - 20, 2024
A-TITLE GNU Radio Conference 2024
https://tutorials.gnuradio.org/New window External Subdomain Learn how to use GNU Radio GNU Radio has developed official, step-by-step tutorials, aimed at helping learners at all levels
A-TITLE Learn how to use GNU Radio
https://wiki.gnuradio.org/inde...New window External Subdomain Anchor Install GNU Radio Installing GNU Radio is easy on modern Linux, Mac OS and Windows machines
A-TITLE Install GNU Radio
https://wiki.gnuradio.org/inde...External Subdomain Check out our tutorials
/news/2024-04-26-eu-gr-days-24...Subdomain No Text
/news/2024-04-26-eu-gr-days-24...Subdomain 2024 European GNU Radio Days, August 27 to 31
/news/2024-04-26-eu-gr-days-24...Subdomain Continue reading
/news/2024-02-25-volk-v3.1.2-r...Subdomain No Text
/news/2024-02-25-volk-v3.1.2-r...Subdomain VOLK v3.1.2 release
/news/2024-02-25-volk-v3.1.2-r...Subdomain Text duplicate Continue reading
/news/2024-01-29-volk-v3.1.1-r...Subdomain No Text
/news/2024-01-29-volk-v3.1.1-r...Subdomain VOLK v3.1.1 release
/news/2024-01-29-volk-v3.1.1-r...Subdomain Text duplicate Continue reading
/news/2023-12-16-grcon24-locat...Subdomain No Text
/news/2023-12-16-grcon24-locat...Subdomain GRCon 2024 - Knoxville, TN, Sept 16-20
/news/2023-12-16-grcon24-locat...Subdomain Text duplicate Continue reading
https://www.analog.com/en/reso...New window External Subdomain IMG-ALT Analog Devices
https://www.ni.com/en.htmlNew window External Subdomain IMG-ALT National Instruments
https://www.peraton.com/New window External Subdomain IMG-ALT Peraton
https://www.cardiff.ac.uk/New window External Subdomain IMG-ALT Cardiff University
https://www.deepsig.ai/New window External Subdomain IMG-ALT DeepSig
https://www.muonspace.com/New window External Subdomain IMG-ALT MUON SPACE
https://en.uit.no/startsidaNew window External Subdomain IMG-ALT Arctic University of Norway (UiT)
https://lists.gnu.org/mailman/...New window External Subdomain discuss-gnuradio
https://chat.gnuradio.org/New window External Subdomain #gnuradio:gnuradio.org
https://libera.chat/New window External libera.chat
https://github.com/gnuradio/gn...New window External Github Issue Tracker
https://fosstodon.org/@gnuradioNew window External No Text
https://twitter.com/gnuradioNew window External No Text
http://www.youtube.com/c/GNURa...New window External Subdomain No Text
https://www.linkedin.com/group...New window External Subdomain No Text
https://github.com/gnuradioNew window External No Text
https://gift.idonate.com/seti/...External Subdomain Donate to GNU Radio
https://bootstrapious.com/p/un...External Bootstrapious
https://github.com/devcows/hug...External DevCows

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.gnuradio.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (1.53 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.
This page loads 9 CSS files. This may affect the page load time negatively.
This page loads 9 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (16 kB).

HTTP Response Header

NameValue
servernginx
dateMon, 26 Aug 2024 04:24:40 GMT
content-typetext/html
last-modifiedWed, 14 Aug 2024 14:49:27 GMT
transfer-encodingchunked
connectionkeep-alive
varyAccept-Encoding
etagW/"66bcc3f7-3e2d"
strict-transport-securitymax-age=63072000; includeSubDomains; preload
x-frame-optionsDENY
x-content-type-optionsnosniff
x-xss-protection1; mode=block
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,152 referring domains.
This page has 10,316 backlinks.
This page has backlinks from 917 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *

Disallow: /cgit/
Disallow: /git/

Similar sites

Search preview

www.gnuradio.org
GNU Radio

Most important keywords

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

KeywordResultRecheck
GNU76%Check
Radio75%Check
GNU Radio73%Check
GNU Radio Conference64%Check
GNU Radio Conference 202460%Check
European GNU Radio60%Check
GNU Radio Days60%Check
2024 European GNU Radio56%Check
European GNU Radio Days54%Check
Conference52%Check
Show more keywords and terms

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