Ka9q.net - SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.30 s
File size
9.70 kB
Media files
Number of links
49 internal / 14 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Phil Karn, KA9Q
The page title is too short. (148 pixels of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
(Critically important)
There are no problems in accessing the website.
Canonical URL
No canonical link is specified.
(Somewhat important)
Language detected in text: en
Server location: United States of America
One or more of the specified languages are not ISO standard (en, en-us, de, etc.)
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.
(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 (WINDOWS-1252) is set correctly.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
No favicon is linked in the HTML code.

Meta tags

content-typetext/html; charset=windows-1252

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Page quality

(Critically important)
This page contains 727 words. That's ok.
30.4% 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.
5 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 19.63 words is good.
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This website 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 15 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.
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

URLAlt attributeTitle
...l Karn, KA9Q_files/verification_seal.gifOfficial PayPal Seal
/Phil%20Karn,%20KA9Q_files/create_badge.pngIPv6 Certification Badge for ka9q
/Phil%20Karn,%20KA9Q_files/square.jpgSETI @ Home banner
/Phil%20Karn,%20KA9Q_files/banner.jpgCosmology @ Home banner
/Phil%20Karn,%20KA9Q_files/aps_header.gifEinstein @ Home banner

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Hi! I am Phil Karn, KA9Q. Welcome to my personal home page!
H2 ISEE-3/ICE Spacecraft Telemetry decoded!
H2 Quotes of the Day:
H2 Qualcomm Stuff
H2 Internet activities
H2 Amateur Radio Digital Communications
H2 Political Stuff
H2 Pseudoscience
H2 Miscellaneous
H3 My standing question to those (mainly religious fundamentalists) who deny evolution, the backbone of modern biology:
H3 BPSK1000 telemetry format for the ARISSat-1 satellite
Some anchor texts are used more than once.
There are 1 links with a trivial anchor text.
The amount of internal links is ok.
None of the anchor texts is too long.
All internal links don't have dynamic parameters.
There are 14 external links on this page.
LinkAttributesAnchor text
http://www.ka9q.net/contact.htmlContact information
https://gator461.hostgator.com...External Subdomain Access this site with encryption
http://www.ka9q.net/isee.htmlISEE-3/ICE Spacecraft Telemetry decoded!
http://www.wired.com/2014/08/e...External Wired Magazine
http://en.wikipedia.org/wiki/D...External Subdomain The Day The Earth Stood Still
/oldquotes.htmlOld quotes of the day
/Uverse/uverse-dual-homing.htmlHow to dual-home servers on U-verse
http://ka9q.livejournal.com/83...External Subdomain Comments to NTSB on the grounding of aircraft DC power system neutrals
http://www.ka9q.net/cdma.htmlQualcomm CDMA
/uverse-dual-homing.htmlText duplicate How to dual-home servers on U-verse
http://www.ka9q.net/Uverse/Comments on AT&T's U-verse service
http://www.ka9q.net/code/ka9qnos/The KA9Q NOS TCP/IP Package
http://www.ka9q.net/privacy.htmlInternet Privacy and Security
http://www.ka9q.net/library.htmlFoundation Internet Papers
http://www.perftech.com/External Perftech, Inc
http://www.ka9q.net/perfidy.htmlletter 1
http://www.ka9q.net/perfidy2.htmlletter 2
http://www.ka9q.net/5220.htmlUsing the AirPrime 5220 Card on Verizon BroadbandAccess under Linux
http://www.ka9q.net/rr/Times-Warner Road Runner Cable Modem Service
http://www.ka9q.net/pilc.txtIETF PILC LINK
http://www.ka9q.net/bpsk1000.htmlPaper published at 2010 AMSAT Space Symposium
/BPSK1000-presentation.pdfTalk slides at 2010 AMSAT Space Symposium
/arissat-link-budget.pdfARISSat-1 telemetry beacon link budget
/demod2.tar.bz2Demodulator/decoder source code
https://svn.sarpeidon.net/view...External Subdomain ARISSat telemetry ground station software archive
http://www.ka9q.net/amsat/ao40/FEC for AO-40 spacecraft telemetry
http://www.ka9q.net/jjsat/A proposed high speed digital mode for AMSAT's JJsat
http://www.ka9q.net/dsp.htmlDigital Signal Processing
http://www.ka9q.net/space.htmlSpace Communications
/ham_politics.htmlAmateur Radio Regulatory Politics
/newsletters.htmlAMSAT, TAPR and ARRL newsletter archives
/moonbounce-notesEIMAC (division of Varian) Moonbounce Notes from the 1970s (new!)
/Gestapo-Enhanced-Interrogatio...Trivial anchor text
http://www.ka9q.net/wormWhy I hate Microsoft: worms and viruses
http://jya.com/bernstein-9th.htmExternal 9th Circuit Affirms Bernstein ruling: crypto export rules are unconstitutional!
http://www.aclu.org/congress/f...External Oppose the flag-burning amendment!
http://www.ka9q.net/nmt.htmlThe "No Mental Theft" Act
http://www.ka9q.net/export/The Applied Cryptography export case
http://www.ka9q.net/patents/The Patent Office is out of control!
/crackpots/index.htmlDebunking crackpots and pseudo-science
/crackpots/apollohoax.htmlThe Apollo "hoax"
http://www.ka9q.net/xmax.htmlAnalysis of "xMax" technology
http://www.ka9q.net/tristate.htmlA review of one of xG's patents
/xmax_labreport.htmlComments on lab test of xMax
/xmax_schwartz.htmlComments on Stu Schwartz's evaluation of xMax
/xmax_wifi.htmlAn analysis of xG's claim that xMax uses 3,000,000 times less power than WiFi
http://www.ka9q.net/vmsk/The VMSK Delusion
http://ka9q.livejournal.com/83...External Subdomain Text duplicate Comments to NTSB on the grounding of aircraft DC power system neutrals
http://www.ka9q.net/pv/My Photovoltaic Power System
http://www.ka9q.net/code/My software packages and utilities
http://www.ka9q.net/ev/My EV-1 (electric car) pages
http://www.ka9q.net/fun.htmlLinks to miscellaneous and fun Stuff
http://www.ka9q.net/quotes.htmlSome Totally Amazing Quotes
/goodquotes.htmlAnd some fairly good ones
http://www.ka9q.net/photos.htmlSome photos of me
/misc/timeshare.htmlRevenge On A Telemarketing Scam
http://www.ka9q.net/puzzle/Solving NPR's Sunday Morning Puzzles with Perl
https://www.paypal.com/us/veri...New window External IMG-ALT Official PayPal Seal
http://ipv6.he.net/certificati...New window External IMG-ALT IPv6 Certification Badge for ka9q
http://setiathome.berkeley.edu/External Subdomain IMG-ALT SETI @ Home banner
http://www.cosmologyathome.org/External IMG-ALT Cosmology @ Home banner
http://einstein.phys.uwm.edu/External Subdomain IMG-ALT Einstein @ Home banner

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
(Somewhat important)
The page response time is excellent with 0.30 seconds.
This website does not require any CSS files.
This website does not require any javascript files.
The file size of the HTML document is fine (10 kB).

HTTP Response Header

dateThu, 02 Jul 2020 22:25:10 GMT
last-modifiedWed, 15 Aug 2018 21:24:22 GMT

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website has excellent links from other websites.
This website has backlinks from 550 referring domains.
This website has 16,314 backlinks.
This website has backlinks from 478 different ip addresses.
Facebook popularity
(Somewhat important)
This website is not very popular on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Links from Wikipedia

No links from Wikipedia were found.


No valid Robots.txt file was found.

Facebook popularity

Shares / Likes / Comments

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Similar sites

Search preview

Phil Karn, KA9Q

Most important keywords

Seobility found the following keywords. You can check the keyword optimization of this page for each keyword.

Phil Karn42%Check
Spacecraft Telemetry30%Check
fun stuff30%Check
at 2010 AMSAT Space27%Check

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