Thereminworld.com - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
90% 
Page structure
71% 
Link structure
46% 
Server
27% 
External factors
100% 
SEO Score
Response time
1.49 s
File size
46.30 kB
Words
971
Media files
38
Number of links
179 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Theremin World - Home
The length of the page title is perfect. (217 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
A global community for theremin enthusiasts!
The length of the meta description is perfect. (280 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
Server location: United States of America
The following language is defined by HTML: en
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=1.0
descriptionA global community for theremin enthusiasts!
langen
twitter:cardsummary
twitter:site@thereminworld
twitter:titleTheremin World
twitter:descriptionA global community for theremin enthusiasts!
fb:app_id326569620769134
og:site_nameTheremin World
og:typewebsite
og:titleTheremin World
og:descriptionA global community for theremin enthusiasts!
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 971 words. That's ok.
28.8% 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.
12 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 13.03 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 4 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" 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 19 tags for this page.
Image SEO
(Somewhat important)
8 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
...dfront.net/Content/img/topleftbanner.jpgTheremin World
...og_ThereminWorldBanner_2022_468x60_2.gifMoog Theremins
...14-4FF1-BC8C-D8D833E2678E_16x9_hero.jpegNo alt attribute provided
...ia/2023/10/LevitationVideo_16x9_hero.pngNo alt attribute provided
...SidebySide-PhotobySamValle_16x9_hero.jpgRecreated documents
...dia/2023/2/JulietShaw_Live_16x9_hero.jpgNo alt attribute provided
...edia/2022/6/SchwimmerDLev_16x9_hero.jpegNo alt attribute provided
...022/4/Etherwave_GRAIN_BLUE_16x9_hero.jpgEtherwave Theremin
...021/7/Lydia_Online_Academy_16x9_hero.pngNo alt attribute provided
...nt/media/2021/4/200082_01_16x9_hero.jpegNo alt attribute provided
...ModelWithAntenna-KA6A7859_16x9_hero.jpegThe Second Victor Theremin Prototype
...21/4/Greenfield_Teaser_pic_16x9_hero.jpgGreenfield Theremin
...ntent/img/ads/burnstheremins_250x250.gifBurns Theremins
....net/files/Pages/44/images/meplus_sm.jpgMoog Etherwave ThereminMoog Music Etherwave Standard Kit
...nt/img/avatars/GordonC-1443319492-sm.jpgGordonC
...jcws.cloudfront.net/content/img/anon.jpgLogan E2
...jcws.cloudfront.net/content/img/anon.jpgLogan E2
...nt/img/avatars/dewster-1443319485-sm.gifdewster
...tent/img/avatars/ekahn-1667385802-sm.jpgekahn
...dia/2015/9/theremins-group_square_sm.pngNo alt attribute provided
...media/2015/9/ClaraRockmore_square_sm.jpgClara Rockmore
...ent/media/2015/10/IMG_5452_square_sm.jpgRCA Theremin
...ent/media/2015/10/calendar_square_sm.jpgCalendar
...tent/media/2015/9/IMG_0035_square_sm.jpgMoog Etherwave Pro
...edia/2015/10/SheldonCooper_square_sm.jpgNo alt attribute provided
...front.net/Content/img/moogfoundation.gifThe Bob Moog Foundation
...ont.net/Content/img/nadia_clara_logo.gifThe Nadia Reisenberg & Clara Rockmore Foundation
...dfront.net/Content/img/NYTSyellowbox.jpgThe NY Theremin Society
...jcws.cloudfront.net/Content/img/anon.jpgweirdvideos
...ent/img/avatars/mjamul-1689453156-sm.jpgmjamul
...tent/img/avatars/bisem-1443319476-sm.jpgbisem
...nt/img/avatars/Grumble-1669686178-sm.PNGGrumble
...nt/img/avatars/Grumble-1669686178-sm.PNGGrumble
...dfront.net/Content/img/social/rss_32.pngSubscribe to RSSSubscribe to RSS
...t.net/Content/img/social/facebook_32.pngVisit our Facebook page
....net/Content/img/social/instagram_32.pngInstagram
...ont.net/Content/img/social/pinterest.pngPinterest
...ws.cloudfront.net/Content/img/rss_32.pngRSS Feeds

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 29 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Fall 2023 Theremin Academy in Lippstadt/Germany
H2 New Australian Theremin Album from The Night Terrors
H2 Replica RCA Theremin Documents Now Available
H2 Project Aims to Illuminate the Legacy of Juliet Shaw
H2 Rob Schwimmer (D-LEV theremin) & Ethan Iverson (piano) play “When I Fall in Love”
H2 Moog Music Introduces Etherwave Theremin
H2 The very first worldwide & online Theremin Academy starts in 10 days!
H2 Reflecting on 25 years of the RCA Theremin Registry
H2 The Second Generation RCA Victor Theremin Prototype
H2 The RCA Theremin Registry Turns 25!
H2 Guide to Buying a Theremin
H2 What's a Theremin?
H2 Roundup: Theremin Apps For The iPhone
H2 Lydia Kavina Celebrates Clara Rockmore in New York, Virtually
H2 New Dutch surprise
H2 Weekly Thereminspiration - Therru no Uta
H3 Sponsors
H3 Shop for Theremins and Kits
H3 Article Categories
H3 Recent Forum Posts
H3 Popular Tags
H3 Most Popular Articles
H3 Friends
H3 Recent Comments
H4 by weirdvideos on article Pierre Genet's Tube Theremin 181 days ago:
H4 by mjamul on article New Australian Theremin Album from The Night Terrors 203 days ago:
H4 by bisem on article Project Aims to Illuminate the Legacy of Juliet Shaw 468 days ago:
H4 by Grumble on photo Coil in resonance 562 days ago:
H4 by Grumble on photo Coil 01 562 days ago:
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
http://thereminworld.com/IMG-ALT Theremin World
/Account/LogOn?ReturnUrl=http:...Nofollow Sign In
/Account/SignUp?Length=7Nofollow Join
https://www.amazon.com/MOOG-TH...New window Nofollow External Subdomain IMG-ALT Moog Theremins
/account/logonText duplicate A-TITLE Sign In
http://thereminworld.com/Text duplicate Theremin World
http://thereminworld.com/A-TITLE Home
/learn-about-thereminsLearn
/Article/14232/what-s-a-theremin-What's a Theremin?
http://thereminworld.com/articlesArticles
/theremin-faqTheremin FAQ
/Article/13290/guide-to-buying...Subdomain Buyers Guide
/Articles/Category/InspirationInspiration
/Articles/Category/HistoryHistory
/Theremin-ModelsTheremin Models
/rca-theremin-registryRCA Theremin Registry
/clara-rockmoreClara Rockmore
/Other-historical-electronic-i...Other historical instruments
/play-the-thereminPlay
http://thereminworld.com/eventsEvents
/Theremin-TeachersTheremin Lessons
/Theremin-RepertoireRepertoire
/Learn-to-PlayOther Resources
/experience-the-thereminMedia
/photoalbumsPhoto Albums
/theremin-videosTheremin Videos
http://thereminworld.com/FilmsFilms
/Sounds-and-Audio-LinksSounds and Audio Links
/Theremin-ProjectsTech
/schematicsSchematics
/RCA-Theremin-TechRCA Theremin Tech
/Keppinger-ThereminsKeppinger Theremins
http://thereminworld.com/ModsMods
http://thereminworld.com/SoftwareSoftware
/Resources-for-Theremin-BuildersResources for Builders
/theremin-world-storeStore
/theremin-storeTheremins and Kits
/Article/13290/guide-to-buying...Subdomain Theremin Buyers Guide
/recommended-effectsRecommended Effects
/theremin-musicTheremin Music
/theremin-method-booksTheremin Method Books
/Article/13295/roundup-theremi...Theremin Apps
/theremin-accessoriesAccessories
/theremin-booksTheremin Books
http://www.cafepress.com/there...External Subdomain Logo Gear
http://thereminworld.com/auctionsAuctions
http://thereminworld.com/forumsForums
/forums/recentRecent Posts
/forums/mostviewedMost Popular Topics
http://thereminworld.com/forumsAll Forums
/CodeOfConductCode of Conduct
/Article/17790/fall-2023-there...Subdomain Fall 2023 Theremin Academy in Lippstadt/Germany
/Articles/Category/Learn To PlayLearn To Play
/user/ThierryThierry
/Article/17789/new-australian-...Subdomain New Australian Theremin Album from The Night Terrors
/Articles/Category/MusicMusic
/user/ThierryText duplicate Thierry
/Article/17778/replica-rca-the...Subdomain Replica RCA Theremin Documents Now Available
/Articles/Category/HistoryText duplicate History
/user/JasonJason
/Article/17748/project-aims-to...Subdomain Project Aims to Illuminate the Legacy of Juliet Shaw
/Articles/Category/HistoryText duplicate History
/user/JasonText duplicate Jason
/Article/17685/rob-schwimmer-d...Subdomain Rob Schwimmer (D-LEV theremin) & Ethan Iverson (piano) play “When I Fall in Love”
/Articles/Category/MusicText duplicate Music
/user/JasonText duplicate Jason
/Article/17637/moog-music-intr...Subdomain Moog Music Introduces Etherwave Theremin
/Articles/Category/GearGear
/user/JasonText duplicate Jason
/Article/17439/the-very-first-...Subdomain The very first worldwide & online Theremin Academy starts in 10 days!
/Articles/Category/Learn To PlayText duplicate Learn To Play
/user/ThierryText duplicate Thierry
/Article/17391/reflecting-on-2...Subdomain Reflecting on 25 years of the RCA Theremin Registry
/Articles/Category/UncategorizedUncategorized
/user/JasonText duplicate Jason
/Article/17390/the-second-gene...Subdomain The Second Generation RCA Victor Theremin Prototype
/Articles/Category/HistoryText duplicate History
/user/JasonText duplicate Jason
/Article/17388/the-rca-theremi...Subdomain The RCA Theremin Registry Turns 25!
/Articles/Category/HistoryText duplicate History
/user/JasonText duplicate Jason
http://thereminworld.com/ArticlesMore articles...
http://www.soundslikeburns.com...New window Nofollow External Subdomain IMG-ALT Burns Theremins
/theremin-storeSubdomain IMG-ALT Moog Etherwave Theremin
/Articles/Category/ArtArt
/Articles/Category/BooksBooks
/Articles/Category/CompositionComposition
/Articles/Category/ContestsContests
/Articles/Category/EventsText duplicate Events
/Articles/Category/ExhibitsExhibits
/Articles/Category/FilmsText duplicate Films
/Articles/Category/GearText duplicate Gear
/Articles/Category/Gestural In...Gestural Instruments
/Articles/Category/HistoryText duplicate History
/Articles/Category/HumorHumor
/Articles/Category/InspirationText duplicate Inspiration
/Articles/Category/InterviewsInterviews
/Articles/Category/Learn To PlayText duplicate Learn To Play
/Articles/Category/MusicText duplicate Music
/Articles/Category/Off TopicOff Topic
/Articles/Category/PerformancesPerformances
/Articles/Category/Tech and DIYTech and DIY
/Articles/Category/World There...World Thereminization
/user/details/GordonCIMG-ALT GordonC
/user/details/GordonCText duplicate GordonC
A-TITLE GordonC
/Forums/T/33991/etherwave-pro-...Etherwave Pro for sale in UK
A-TITLE Posted on 6/11/2024
/user/details/Logan E2IMG-ALT Logan E2
/user/details/Logan E2Text duplicate Logan E2
A-TITLE Logan E2
/Forums/T/33924/beginners-ther...Beginner’s theremin construction/use query
A-TITLE Posted on 6/10/2024
/user/details/Logan E2Text duplicate IMG-ALT Logan E2
/user/details/Logan E2Text duplicate Logan E2
A-TITLE Logan E2
/Forums/T/29084/1961-electroni...1961 Electronics Illustrated tube theremin question
A-TITLE Posted on 6/10/2024
/user/details/dewsterIMG-ALT dewster
/user/details/dewsterText duplicate dewster
A-TITLE dewster
/Forums/T/28554/lets-design-an...Let's Design and Build a (mostly) Digital Theremin!
A-TITLE Posted on 6/8/2024
/user/details/ekahnIMG-ALT ekahn
/user/details/ekahnText duplicate ekahn
A-TITLE ekahn
/Forums/T/33765/power-supply-f...Power Supply for Big Briar Etherwave?
A-TITLE Posted on 6/6/2024
/Articles/TaggedWith/AlbumsAlbums
A-TITLE 51 items
/Articles/TaggedWith/AuctionsText duplicate Auctions
A-TITLE 35 items
/Articles/TaggedWith/Bob MoogBob Moog
A-TITLE 47 items
/Articles/TaggedWith/Carolina ...Carolina Eyck
A-TITLE 61 items
/Articles/TaggedWith/Clara Roc...Text duplicate Clara Rockmore
A-TITLE 35 items
/Articles/TaggedWith/DIYDIY
A-TITLE 59 items
/Articles/TaggedWith/Dorit Chr...Dorit Chrysler
A-TITLE 28 items
/Articles/TaggedWith/EtherwaveEtherwave
A-TITLE 35 items
/Articles/TaggedWith/EventsText duplicate Events
A-TITLE 102 items
/Articles/TaggedWith/HistoryText duplicate History
A-TITLE 36 items
/Articles/TaggedWith/JapanJapan
A-TITLE 32 items
/Articles/TaggedWith/JasonText duplicate Jason
A-TITLE 44 items
/Articles/TaggedWith/Learn to ...Learn to Play
A-TITLE 30 items
/Articles/TaggedWith/Leon Ther...Leon Theremin
A-TITLE 45 items
/Articles/TaggedWith/Lydia KavinaLydia Kavina
A-TITLE 49 items
/Articles/TaggedWith/Moog MusicMoog Music
A-TITLE 75 items
/Articles/TaggedWith/New YorkNew York
A-TITLE 41 items
/Articles/TaggedWith/SpellboundSpellbound
A-TITLE 32 items
/Articles/TaggedWith/Theremin ...Theremin ArtTheater
A-TITLE 43 items
/Articles/TaggedWith/Theremin ...Theremin History
A-TITLE 46 items
/Articles/TaggedWith/Theremin-...Theremin-like
A-TITLE 74 items
/Articles/TaggedWith/Thierry F...Thierry Frenkel
A-TITLE 39 items
/Articles/TaggedWith/VideoVideo
A-TITLE 72 items
/Articles/TaggedWith/Website NewsWebsite News
A-TITLE 42 items
/Articles/TaggedWith/World The...Text duplicate World Thereminization
A-TITLE 93 items
/Articles/ByTagAll tags...
/Article/13290/guide-to-buying...Subdomain Guide to Buying a Theremin Gear - December 2013
/Article/14232/whats-a-thereminSubdomain What's a Theremin? History - December 2005
IMG-ALT Clara Rockmore
/Article/13295/roundup-theremi...Subdomain Roundup: Theremin Apps For The iPhone Gear - July 2010
IMG-ALT RCA Theremin
/Article/14121/lydia-kavina-ce...Subdomain Lydia Kavina Celebrates Clara Rockmore in New York, Virtually Events - March 2011
IMG-ALT Calendar
/Article/14243/new-dutch-surpriseSubdomain New Dutch surprise Performances - December 2011
IMG-ALT Moog Etherwave Pro
/Article/14226/weekly-theremin...Subdomain Weekly Thereminspiration - Therru no Uta Inspiration - December 2011
http://www.moogfoundation.org/External Subdomain IMG-ALT The Bob Moog Foundation
http://www.nadiareisenberg-cla...External Subdomain IMG-ALT The Nadia Reisenberg & Clara Rockmore Foundation
https://www.nythereminsociety....External Subdomain IMG-ALT The NY Theremin Society
/user/details/weirdvideosIMG-ALT weirdvideos
A-TITLE weirdvideos
/user/details/weirdvideosText duplicate weirdvideos
A-TITLE weirdvideos
/article/14273/viewPierre Genet's Tube Theremin
A-TITLE Posted 181 days ago
/user/details/mjamulIMG-ALT mjamul
A-TITLE mjamul
/user/details/mjamulText duplicate mjamul
A-TITLE mjamul
/article/17789/viewText duplicate New Australian Theremin Album from The Night Terrors
A-TITLE Posted 203 days ago
/user/details/bisemIMG-ALT bisem
A-TITLE bisem
/user/details/bisemText duplicate bisem
A-TITLE bisem
/article/17748/viewText duplicate Project Aims to Illuminate the Legacy of Juliet Shaw
A-TITLE Posted 468 days ago
/user/details/GrumbleIMG-ALT Grumble
A-TITLE Grumble
/user/details/GrumbleText duplicate Grumble
A-TITLE Grumble
/album/grumble/17723Coil in resonance
A-TITLE Posted 562 days ago
/user/details/GrumbleText duplicate IMG-ALT Grumble
A-TITLE Grumble
/user/details/GrumbleText duplicate Grumble
A-TITLE Grumble
/album/grumble/17723Coil 01
A-TITLE Posted 562 days ago
/Articles/rssNofollow IMG-ALT Subscribe to RSS
http://www.facebook.com/pages/...New window Nofollow External Subdomain IMG-ALT Visit our Facebook page
http://instagram.com/thereminw...Nofollow External IMG-ALT Instagram
http://www.pinterest.com/there...New window Nofollow External Subdomain IMG-ALT Pinterest
/theremin-storeShop
http://thereminworld.com/forumsText duplicate Forums
http://thereminworld.com/eventsText duplicate Events
/about-theremin-worldAbout
/privacy-policyPrivacy
A-TITLE Privacy Policy
/contact-usContact
/privacy-policyPrivacy Policy
/about-theremin-worldAbout Theremin World
http://thereminworld.com/staffStaff
/contact-usContact Us
http://thereminworld.com/helpHelp
A-TITLE Help with the site
/advertiseAdvertise
A-TITLE Advertise With Us
/submit-newsSubmit News
/articles/rssNews
A-TITLE Articles RSS
/forums/rssText duplicate Forums
/events/rssText duplicate Events

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is slow (1.49 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 4 CSS files. This may affect the page load time negatively.
This page loads 4 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (46 kB).

HTTP Response Header

NameValue
cache-controlprivate
content-typetext/html; charset=utf-8
serverMicrosoft-IIS/8.0
x-aspnetmvc-version4.0
x-aspnet-version4.0.30319
x-powered-byASP.NET
dateWed, 12 Jun 2024 15:24:28 GMT
content-length47398
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 970 referring domains.
This page has 565,821 backlinks.
This page has backlinks from 743 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: /_database/
Disallow: /aspnet_client/
Disallow: /bin/
Disallow: /Extensions/
Disallow: /LuceneIndex/
Disallow: /Views/

Similar sites

Search preview

thereminworld.com
Theremin World - Home
A global community for theremin enthusiasts!

Most important keywords

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

KeywordResultRecheck
Theremin73%Check
Theremin World67%Check
World65%Check
Etherwave Theremin57%Check
RCA Theremin55%Check
Theremin Academy55%Check
tube theremin54%Check
Theremin Registry54%Check
Theremin Apps54%Check
digital theremin54%Check
Show more keywords and terms

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