Flat.io - SEO Checker

Overview of the SEO Check
Meta information
91% 
Page quality
75% 
Page structure
58% 
Link structure
36% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.15 s
File size
216.40 kB
Words
1043
Media files
113
Number of links
100 internal / 28 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Online collaborative music notation software - Flat
The length of the page title is perfect. (446 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Create, compose, collaborate, play, and print your sheet music using the world's most simple and intuitive web-based music writing and composition software.
The length of the meta description is perfect. (970 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://flat.io/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: Netherlands
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
An URL is specified multiple times in alternate links.
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
viewportwidth=device-width,initial-scale=1
application-nameFlat
mobile-web-app-capableyes
apple-mobile-web-app-capableyes
googlenotranslate
msapplication-TileImage./icons/icon-512x512.png
fb:page_id218465928285157
theme-color#E7EEFB
msapplication-TileColor#E7EEFB
descriptionCreate, compose, collaborate, play, and print your sheet music using the world's most simple and intuitive web-based music writing and composition software.
og:titleOnline collaborative music notation software - Flat
og:descriptionCreate, compose, collaborate, play, and print your sheet music using the world's most simple and intuitive web-based music writing and composition software.
og:imagehttps://prod-site.flat-cdn.com/meta/en/flat.jpg
apple-itunes-appapp-id=1177592149, affiliate-data=ct=flat-site-smart-banner
naver-site-verification7c49dd8a34ea9883b227efe7a80498c5f1e1193f
og:urlhttps://flat.io/
langen-us
twitter:site@flat_io
twitter:cardsummary_large_image
twitter:titleOnline collaborative music notation software - Flat
twitter:descriptionCreate, compose, collaborate, play, and print your sheet music using the world's most simple and intuitive web-based music writing and composition software.
twitter:imagehttps://prod-site.flat-cdn.com/meta/en/flat.jpg
twitter:urlhttps://flat.io/
og:site_nameFlat
og:logo./icons/icon.svg
og:localeen_US
og:locale:alternatetr_TR
X-UA-CompatibleIE=edge
charsetutf-8

Automatically check flat.io including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
There are 12 text duplicates on this page:
  • Duplicate 1: Invite your friends to compose with you. Scores can be opened and edit...
  • Duplicate 2: You can keep on working even if you lose your network connection. All ...
  • Duplicate 3: We provide studio-recorded instruments to deliver a very realistic aud...
  • Duplicate 4: Note after note, every modification you make on your score is saved an...
This page contains 1043 words. That's ok.
34.8% 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.
18 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
The average number of words per sentence of 14.97 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
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 following tag is repeated too often: get started
Image SEO
(Somewhat important)
2 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
...e/flat/header/flat-features-overview.pngFlat Features Overview
.../header/flat-features-collaborations.pngFlat Feature: Collaborations
...lat/header/flat-features-instruments.pngFlat Feature: High-quality instruments
...te/flat/header/flat-features-offline.pngFlat Feature: Offline mode
...te/flat/header/flat-features-history.pngFlat Feature: Complete History
...ite/flat/header/flat-features-editor.pngFlat Feature: Guitar Tabs Editor
...e/flat/header/flat-learn-help-center.pngFlat Features Overview
...com/site/flat/header/flat-learn-blog.pngFlat Features Overview
...at/header/flat-learn-product-updates.pngFlat Features Overview
...at/header/flat-learn-video-tutorials.pngFlat Features Overview
.../flat/header/flat-community-discover.pngFlat Features Overview
...flat/header/flat-community-challenge.pngFlat Features Overview
...der/flat-community-affiliate-program.pngFlat Features Overview
.../site/flat/header/flat-products-flat.pngFlat Features Overview
...m/site/flat/header/flat-products-edu.pngFlat Features Overview
...om/site/flat/header/flat-products-ms.pngFlat Features Overview
...site/flat/header/flat-products-embed.pngFlat Features Overview
...rod-site.flat-cdn.com/img/us.cc7057f.svgen
...rod-site.flat-cdn.com/img/gb.088cc63.svgen-GB
...rod-site.flat-cdn.com/img/au.cd5c97b.svgen-AU
data:[...] Base64de
data:[...] Base64es
data:[...] Base64fr
data:[...] Base64ja
...rod-site.flat-cdn.com/img/kr.11a0381.svgko
data:[...] Base64pl
data:[...] Base64ro
data:[...] Base64ru
data:[...] Base64tr
...rod-site.flat-cdn.com/img/us.cc7057f.svgen
...rod-site.flat-cdn.com/img/gb.088cc63.svgen-GB
...rod-site.flat-cdn.com/img/au.cd5c97b.svgen-AU
data:[...] Base64de
data:[...] Base64es
data:[...] Base64fr
data:[...] Base64ja
...rod-site.flat-cdn.com/img/kr.11a0381.svgko
data:[...] Base64pl
data:[...] Base64ro
data:[...] Base64ru
data:[...] Base64tr
...rod-site.flat-cdn.com/img/us.cc7057f.svgen
...rod-site.flat-cdn.com/img/gb.088cc63.svgen-GB
...rod-site.flat-cdn.com/img/au.cd5c97b.svgen-AU
data:[...] Base64de
data:[...] Base64es
data:[...] Base64fr
data:[...] Base64ja
...rod-site.flat-cdn.com/img/kr.11a0381.svgko
data:[...] Base64pl
data:[...] Base64ro
data:[...] Base64ru
data:[...] Base64tr
...rod-site.flat-cdn.com/img/us.cc7057f.svgen
...rod-site.flat-cdn.com/img/gb.088cc63.svgen-GB
...rod-site.flat-cdn.com/img/au.cd5c97b.svgen-AU
data:[...] Base64de
data:[...] Base64es
data:[...] Base64fr
data:[...] Base64ja
...rod-site.flat-cdn.com/img/kr.11a0381.svgko
data:[...] Base64pl
data:[...] Base64ro
data:[...] Base64ru
data:[...] Base64tr
...rod-site.flat-cdn.com/img/us.cc7057f.svgen
...rod-site.flat-cdn.com/img/gb.088cc63.svgen-GB
...rod-site.flat-cdn.com/img/au.cd5c97b.svgen-AU
data:[...] Base64de
data:[...] Base64es
data:[...] Base64fr
data:[...] Base64ja
...rod-site.flat-cdn.com/img/kr.11a0381.svgko
data:[...] Base64pl
data:[...] Base64ro
data:[...] Base64ru
data:[...] Base64tr
...rod-site.flat-cdn.com/img/us.cc7057f.svgen
...rod-site.flat-cdn.com/img/gb.088cc63.svgen-GB
...rod-site.flat-cdn.com/img/au.cd5c97b.svgen-AU
data:[...] Base64de
data:[...] Base64es
data:[...] Base64fr
data:[...] Base64ja
...rod-site.flat-cdn.com/img/kr.11a0381.svgko
data:[...] Base64pl
data:[...] Base64ro
data:[...] Base64ru
data:[...] Base64tr
...lat-cdn.com/img/illustration.52dfaaa.pngFlat: Collaborative music notation software
...real-time-collaboration-163w.9cff26e.pngreal-time-collaboration
...real-time-collaboration-163w.9cff26e.pngreal-time-collaboration
...real-time-collaboration-163w.9cff26e.pngReal-time Collaboration
...dn.com/img/offline-mode-163w.e548d97.pngOffline Mode
...igh-quality-instruments-163w.e303306.pngHigh Quality Instruments
...om/img/complete-history-163w.4732064.pngComplete History
...e.flat-cdn.com/img/midi-163w.a41cf2d.pngCustomize Layout
...n.com/img/transposition-163w.190ba74.pngNoteheads
....flat-cdn.com/img/files-163w.2019830.pngRoman numerals
...om/img/customize-layout-163w.69dcb19.pngCustomize Layout
...lat-cdn.com/img/devices-163w.1473870.pngDevices
...e.flat-cdn.com/img/app-store.7a3536d.svgDownload iOS app from App Store
...flat-cdn.com/img/google-play.7f82b68.svgDownload Android app from Play Store
...lat-cdn.com/img/illustration.aefedb5.pngNo alt attribute provided
...cdn.com/img/guitar-tabs-163w.2ad28f7.pngGuitar tabs
.../grow-as-composer-image-163w.5363c38.pngGrow as composer
...lat-cdn.com/img/illustration.3248384.pngNo alt attribute provided
...-cdn.com/img/dallin-attwooll.9b1f7eb.pngDallin Attwooll
...lat-cdn.com/img/david-dariza.ff6d4de.pngDavid Dariza
...n.com/img/jonathon-e-stewart.9c1b8d1.pngJonathon E. Stewart
...at-cdn.com/img/gideon-waxman.d8930ee.pngGideon Waxman
...at-cdn.com/img/sawyer-tucker.75145c7.pngSawyer Tucker
...d-site.flat-cdn.com/img/doug.d93dcc8.pngDoug

Page structure

H1 heading
(Critically important)
Write music online, together.
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
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
H1 Write music online, together.
H2 Take your compositions to the next level
H2 Everything you expect, and more.
H2 Compose where it suits you best. Don’t let anything stop your creative flow.
H2 Not just a notation platform. A global community of 5M+ music lovers.
H2 The perfect place to grow as a composer.
H2 Read, listen, like, comment, share.
H2 Flat is a game changer for music composers of all levels
H2 Write your first music score on Flat today!
H3 For the guitar players: a complete tablature editor.
H5 Real-time Collaboration
H5 Offline Mode
H5 High Quality Instruments
H5 Complete History
H5 Real-time Collaboration Duplicate text
H5 Offline Mode Duplicate text
H5 High Quality Instruments Duplicate text
H5 Complete History Duplicate text
H5 Sounds good?
H6 Flat is a collaborative music notation platform for beginner composers and professionals alike.
H6 MIDI Composition
H6 Easy Transposition
H6 MusicXML/MIDI Files
H6 Advanced Layout Customization
H6 Using an iOS or Android device? Get the app.
H6 Flat offers native support on all the common tools you need for your tab marking creations, with tabs automatically synchronized with the music notation.
H6 Flat is the biggest community of creators driven by the love for music.
H6 Share your creations with the world, get and give feedback, and meet like-minded music enthusiasts.
H6 Be part of your favorite composers’ journey.
Baselink: /
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 too many external links (28) on this page.
LinkAttributesAnchor text
https://flat.io/Anchor Skip to content
https://flat.io/No Text
https://flat.io/product-overviewFeatures
https://flat.io/product-overviewProduct Overview
https://flat.io/collaborationReal-time Collaboration
https://flat.io/instrumentsHigh Quality Instruments
https://flat.io/offline-modeOffline Mode
https://flat.io/historyComplete History
https://flat.io/guitar-tabsGuitar Tabs Editor
https://help.flat.io/en/New window External Subdomain Learn
https://help.flat.io/en/External Subdomain Help Center
https://blog.flat.io/External Subdomain Blog
https://blog.flat.io/flat/External Subdomain Product Updates
https://help.flat.io/en/tutori...External Subdomain Video Tutorials
https://flat.io/pricingPricing
/community/popular/weeklyNew window Community
/community/popular/weeklyNew window Discover the community
/community/challenges/2025-06Monthly challenge
https://flat.io/affiliateAffiliate program
https://flat.io/product-overviewOur Products
https://flat.io/Flat
https://flat.io/eduFlat for Education
https://www.musicsnippet.com/External Subdomain Music Snippet
https://flat.io/embedEmbed
https://flat.io/auth/signin?hl=enLog In
https://flat.io/auth/signup?hl=enJoin for free
https://flat.io/English (US)
IMG-ALT en
https://flat.io/en-GBEnglish (GB)
IMG-ALT en-GB
https://flat.io/en-AUEnglish (AU)
IMG-ALT en-AU
https://flat.io/deDeutsch
IMG-ALT de
https://flat.io/esEspañol
IMG-ALT es
https://flat.io/frFrançais
IMG-ALT fr
https://flat.io/ja日本語
IMG-ALT ja
https://flat.io/ko한국어
IMG-ALT ko
https://flat.io/plPolski
IMG-ALT pl
https://flat.io/roRomână
IMG-ALT ro
https://flat.io/ruРусский
IMG-ALT ru
https://flat.io/trTürkçe
IMG-ALT tr
https://flat.io/No Text
https://flat.io/Text duplicate English (US)
IMG-ALT en
https://flat.io/en-GBText duplicate English (GB)
IMG-ALT en-GB
https://flat.io/en-AUText duplicate English (AU)
IMG-ALT en-AU
https://flat.io/deText duplicate Deutsch
IMG-ALT de
https://flat.io/esText duplicate Español
IMG-ALT es
https://flat.io/frText duplicate Français
IMG-ALT fr
https://flat.io/jaText duplicate 日本語
IMG-ALT ja
https://flat.io/koText duplicate 한국어
IMG-ALT ko
https://flat.io/plText duplicate Polski
IMG-ALT pl
https://flat.io/roText duplicate Română
IMG-ALT ro
https://flat.io/ruText duplicate Русский
IMG-ALT ru
https://flat.io/trText duplicate Türkçe
IMG-ALT tr
https://flat.io/No Text
https://flat.io/embedText duplicate Embed
/developers/docs/api/REST API
/developers/docs/import/Import API
https://help.flat.io/en/supportExternal Subdomain Help
https://blog.flat.io/External Subdomain Text duplicate Blog
https://flat.io/pricingText duplicate Pricing
https://flat.io/Text duplicate English (US)
IMG-ALT en
https://flat.io/en-GBText duplicate English (GB)
IMG-ALT en-GB
https://flat.io/en-AUText duplicate English (AU)
IMG-ALT en-AU
https://flat.io/deText duplicate Deutsch
IMG-ALT de
https://flat.io/esText duplicate Español
IMG-ALT es
https://flat.io/frText duplicate Français
IMG-ALT fr
https://flat.io/jaText duplicate 日本語
IMG-ALT ja
https://flat.io/koText duplicate 한국어
IMG-ALT ko
https://flat.io/plText duplicate Polski
IMG-ALT pl
https://flat.io/roText duplicate Română
IMG-ALT ro
https://flat.io/ruText duplicate Русский
IMG-ALT ru
https://flat.io/trText duplicate Türkçe
IMG-ALT tr
https://flat.io/auth/signin?hl=enText duplicate Log In
https://flat.io/auth/signup?hl=enGet started for free!
https://flat.io/auth/signup?hl=enText duplicate Get started for free!
https://flat.io/collaborationDiscover
https://flat.io/offline-modeText duplicate Discover
https://flat.io/instrumentsText duplicate Discover
https://flat.io/historyText duplicate Discover
https://flat.io/collaborationText duplicate Discover
https://flat.io/offline-modeText duplicate Discover
https://flat.io/instrumentsText duplicate Discover
https://flat.io/historyText duplicate Discover
https://flat.io/collaborationText duplicate Discover
https://flat.io/offline-modeText duplicate Discover
https://flat.io/instrumentsText duplicate Discover
https://flat.io/historyText duplicate Discover
https://help.flat.io/en/music-...External Subdomain Learn more
https://help.flat.io/en/music-...External Subdomain Text duplicate Learn more
https://help.flat.io/en/music-...External Subdomain Text duplicate Learn more
https://help.flat.io/en/music-...External Subdomain Anchor Text duplicate Learn more
https://apps.apple.com/app/app...External Subdomain IMG-ALT Download iOS app from App Store
https://play.google.com/store/...External Subdomain IMG-ALT Download Android app from Play Store
https://flat.io/guitar-tabsUsing Flat for tabs
/community/popular/weeklyGet Started. Join our community.
/community/popular/weeklyText duplicate Learn more
/community/popular/weeklyExplore more community scores
https://flat.io/auth/signup?hl=enText duplicate Get started for free!
https://flat.io/No Text
https://flat.io/product-overviewText duplicate Product Overview
https://flat.io/collaborationText duplicate Real-time Collaboration
https://flat.io/instrumentsText duplicate High Quality Instruments
https://flat.io/historyText duplicate Complete History
https://flat.io/guitar-tabsText duplicate Guitar Tabs Editor
https://flat.io/pricingText duplicate Pricing
https://flat.io/gift-cardGift Card
/community/popular/weeklyNew window Popular
https://flat.io/community/recentNew window Recent
/community/featuredNew window Featured
/community/challenges/2025-06New window Community Challenge
https://help.flat.io/en/New window External Subdomain Flat Help
https://help.flat.io/en/supportNew window External Subdomain Text duplicate Help
https://flat.io/pricingFAQ
https://help.flat.io/en/tutori...External Subdomain Tutorials
https://help.flat.io/en/polici...New window External Subdomain Privacy Policy
https://flat.io/developersDevelopers / APIs
https://flat.io/Text duplicate Flat
https://flat.io/eduText duplicate Flat for Education
https://www.musicsnippet.com/New window External Subdomain Text duplicate Music Snippet
https://flat.io/embedText duplicate Embed
https://www.tutteo.com/New window External Subdomain About
https://blog.flat.io/New window External Subdomain Text duplicate Blog
https://blog.flat.io/flat/New window External Subdomain Text duplicate Product Updates
https://www.tutteo.com/careersNew window External Subdomain Careers
https://flat.io/affiliateAffiliate
https://twitter.com/flat_ioNew window External No Text
https://www.instagram.com/flat.ioNew window External Subdomain No Text
https://www.facebook.com/flat.ioNew window External Subdomain No Text
https://github.com/FlatIONew window External No Text
https://www.youtube.com/user/f...New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://flat.io/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.15 seconds.
The file size of the HTML document is fine (216 kB).

HTTP Response Header

NameValue
dateMon, 23 Jun 2025 19:36:55 GMT
content-typetext/html
content-encodingbr
last-modifiedTue, 10 Jun 2025 14:39:28 GMT
cache-controlmax-age=604800
cf-cache-statusHIT
age27676
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=dmCA2qtUoRDx01yuMyqKsCAFsuaNVDZILLLhjTdEuP22ncUcA6qF8xGQEEmyGYqmkkOkUDVQ4HCazz6R49FCjuQCopOj%2FWcOywEADG9aQdtvgd%2BDaX%2FomJvu1SaYlxzvbNFarDS4PbU%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0,"report_to":"cf-nel","max_age":604800}
varyAccept-Encoding
strict-transport-securitymax-age=31536000; includeSubDomains; preload
expect-ctmax-age=86400, enforce
x-content-type-optionsnosniff
x-xss-protection1; mode=block
access-control-allow-methodsGET, HEAD
referrer-policystrict-origin-when-cross-origin
cf-ray95466fe4f9b9fe98-AMS
alt-svch3=":443"; ma=86400
server-timingcfL4;desc="?proto=TCP&rtt=1731&min_rtt=776&rtt_var=938&sent=4&recv=6&lost=0&retrans=0&sent_bytes=2832&recv_bytes=744&delivery_rate=3731958&cwnd=251&unsent_bytes=0&cid=afbf24623a9fd83b&ts=40&x=0"
x-frame-optionsSAMEORIGIN
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 669 referring domains.
This page has 1,594 backlinks.
This page has backlinks from 562 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /
Disallow: /mailer
Disallow: /embed/signup
Disallow: /embed/signin
Disallow: /embed/transfer
Sitemap: https://flat.io/sitemap.xml
Sitemap: https://flat.io/sitemaps/scores.xml
Sitemap: https://flat.io/sitemaps/profiles.xml

Search preview

flat.io
Online collaborative music notation software - Flat
Create, compose, collaborate, play, and print your sheet music using the world's most simple and intuitive web-based music writing and composition software.

Most important keywords

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

KeywordResultRecheck
music79%Check
Music Online72%Check
Flat68%Check
Music Notation68%Check
collaborative music67%Check
Sheet Music64%Check
Music Notation Software64%Check
5M music64%Check
Online collaborative music notation64%Check
collaborative music notation63%Check

Automatically check flat.io including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions