Buku.io - SEO Checker

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Overview of the SEO Check
Meta information
82% 
Page quality
66% 
Page structure
100% 
Link structure
90% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.06 s
File size
217.30 kB
Words
448
Media files
60
Number of links
71 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
BUKU - Opening a world of knowledge and opportunities for everyone
The page title should be shorter than 580 pixels. It is 625 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
With BUKU you have access to your study books anytime, anywhere. Search and annotate books. All you need is a BUKU subscription.
The length of the meta description is perfect. (836 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, maximum-scale=1, user-scalable=no
descriptionWith BUKU you have access to your study books anytime, anywhere. Search and annotate books. All you need is a BUKU subscription.
keywordsBUKU, studieboeken, abonnement, e-learing, onderwijs
langen
og:typewebsite
og:titleBUKU - Opening a world of knowledge and opportunities for everyone
og:descriptionWith BUKU you have access to your study books anytime, anywhere. Search and annotate books. All you need is a BUKU subscription.
og:image/assets/images/opengraph/home-og-eng.png
X-UA-CompatibleIE=edge
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.
9 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 12.67 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, maximum-scale=1, user-scalable=no" 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)
41 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
...e-widget/browser-illustratie/menubar.pngIn-app BUKU header illustration
https://buku.io/assets/content_parallax.pngWeb-app visualisation of BUKU
...images/home/assets-reader-annotation.pngNo alt attribute provided
...images/home/assets-reader-annotation.pngNo alt attribute provided
/assets/images/home/icons/icon-cheaper.svgAnimated different currency icon
...ts/images/home/icons/icon-everywhere.svgAnimated globe icon
/assets/images/home/icons/icon-smarter.svgAnimated lightbulb icon
/assets/images/home/icons/icon-newway.svgAnimated diagonally upwards arrow icon
/assets/assets-books-World.pngQuality books you will have acces to when owning a BUKU account
...images/home/assets-reader-annotation.pngNo alt attribute provided
/assets/images/publishers/logo/pearson.pngPearson
/assets/images/publishers/logo/wiley.svgWiley
/assets/images/publishers/logo/springer.pngSpringer
/assets/images/publishers/logo/sage.svgSage
/assets/images/publishers/logo/elsevier.svgElsevier
/assets/images/publishers/logo/packt.pngPackt
/assets/images/publishers/logo/gruyter.svgDe Gruyter
...ublishers/logo/bloomsbury-1629456339.pngBloomsbury
...ets/images/publishers/logo/koganpage.svgKoganpage
...ets/images/publishers/logo/cambridge.svgCambridge University Press
...ges/publishers/logo/taylorandfrancis.svgTaylor and Francis
...es/publishers/logo/thieme-1689770261.svgThieme
/assets/images/home/asset-our-mission-1.jpgNo alt attribute provided
/assets/images/flags/en_UK.svgNo alt attribute provided
/assets/images/flags/en_AW.svgNo alt attribute provided
/assets/images/flags/en_BB.svgNo alt attribute provided
/assets/images/flags/en_BQ.svgNo alt attribute provided
/assets/images/flags/en_BW.svgNo alt attribute provided
/assets/images/flags/en_CW.svgNo alt attribute provided
/assets/images/flags/en_ET.svgNo alt attribute provided
/assets/images/flags/en_FJ.svgNo alt attribute provided
/assets/images/flags/en_GD.svgNo alt attribute provided
/assets/images/flags/en_GH.svgNo alt attribute provided
/assets/images/flags/en_GM.svgNo alt attribute provided
/assets/images/flags/en_GN.svgNo alt attribute provided
/assets/images/flags/en_GY.svgNo alt attribute provided
/assets/images/flags/en_IN.svgNo alt attribute provided
/assets/images/flags/en_KE.svgNo alt attribute provided
/assets/images/flags/en_KZ.svgNo alt attribute provided
/assets/images/flags/en_LS.svgNo alt attribute provided
/assets/images/flags/en_MU.svgNo alt attribute provided
/assets/images/flags/en_MW.svgNo alt attribute provided
/assets/images/flags/en_MZ.svgNo alt attribute provided
/assets/images/flags/en_NA.svgNo alt attribute provided
/assets/images/flags/en_NE.svgNo alt attribute provided
/assets/images/flags/en_NG.svgNo alt attribute provided
/assets/images/flags/nl_NL.svgNo alt attribute provided
/assets/images/flags/en_PG.svgNo alt attribute provided
/assets/images/flags/en_PH.svgNo alt attribute provided
/assets/images/flags/en_RW.svgNo alt attribute provided
/assets/images/flags/en_SB.svgNo alt attribute provided
/assets/images/flags/en_SL.svgNo alt attribute provided
/assets/images/flags/nl_SR.svgNo alt attribute provided
/assets/images/flags/en_TH.svgNo alt attribute provided
/assets/images/flags/en_TZ.svgNo alt attribute provided
/assets/images/flags/en_UG.svgNo alt attribute provided
/assets/images/flags/en_VU.svgNo alt attribute provided
/assets/images/flags/en_ZA.svgNo alt attribute provided
/assets/images/flags/en_ZM.svgNo alt attribute provided
/assets/images/flags/en_ZW.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Opening a world of knowledge and opportunities for everyone.
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Opening a world of knowledge and opportunities for everyone.
H2 Digital access to all your textbooks
H2 Discover our library
H2 Use our built-in study tools to make studying easier.
H2 Creating a win-win for students, teachers and publishers.
H2 Opening a world of knowledge and opportunities
H2 Start reading today
H3 Unlimited access to the digital library of educational textbooks, for an affordable price.
H3 Affordable textbooks
H3 Read anywhere
H3 Study smarter
H3 No limitations
H4 Students and Teachers
H4 Why BUKU?
H4 Support
H4 Company
H4 Socials
H4 World
H5 Copyright © 2024 BUKU B.V.
Some anchor texts are used more than once.
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 15 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://buku.io/No Text
https://buku.io/studentsStudents
https://buku.io/institutionsInstitutions
https://buku.io/publishersPublishers
https://buku.io/ngosNGOs
https://buku.io/our-storyOur Story
https://buku.io/subscriptionSubscription
https://buku.app/External Go to app
https://buku.app/loginExternal Sign in
https://buku.app/register?utm_...External Try for free
https://buku.io/No Text
https://buku.app/registerExternal Text duplicate Try for free
https://buku.io/studentsText duplicate Students
https://buku.io/institutionsText duplicate Institutions
https://buku.io/publishersText duplicate Publishers
https://buku.io/ngosText duplicate NGOs
https://buku.io/our-storyText duplicate Our Story
https://buku.io/subscriptionText duplicate Subscription
https://buku.app/registerExternal Text duplicate Try for free
https://buku.app/loginExternal Text duplicate Sign in
https://buku.app/register?utm_...External Text duplicate Try for free
https://buku.io/studentsRead more about the features
https://buku.io/download-appTry it now!
https://buku.io/publishersJoin our mission
https://buku.io/our-storyRead our story
https://buku.app/register?utm_...External Try it now
https://buku.io/studentsText duplicate Students
https://buku.io/institutionsText duplicate Institutions
https://buku.io/publishersText duplicate Publishers
https://buku.io/ngosText duplicate NGOs
https://buku.io/subscriptionText duplicate Subscription
https://buku.io/help-centerHelp Center
https://buku.io/download-appDownload the App
https://buku.io/legal/securitySecurity
https://buku.io/our-storyText duplicate Our Story
https://buku.io/legalLegal
https://buku.io/contactContact
https://www.facebook.com/buku....New window External Subdomain Facebook
https://www.instagram.com/buku...New window External Subdomain Instagram
https://twitter.com/BUKUworldNew window External Twitter
https://www.linkedin.com/compa...New window External Subdomain LinkedIn
https://buku.io/World
https://buku.io/awAruba
https://buku.io/bbBarbados
https://buku.io/bqBonaire
https://buku.io/bwBotswana
https://buku.io/cwCuraçao
https://buku.io/etEthiopia
https://buku.io/fjFiji
https://buku.io/gdGrenada
https://buku.io/ghGhana
https://buku.io/gmThe Gambia
https://buku.io/gnGuinea
https://buku.io/gyGuyana
https://buku.io/inIndia
https://buku.io/keKenia
https://buku.io/kzKazakhstan
https://buku.io/lsLesotho
https://buku.io/muMauritius
https://buku.io/mwMalawi
https://buku.io/mzMozambique
https://buku.io/naNamibia
https://buku.io/neNiger
https://buku.io/ngNigeria
https://buku.io/nlNederland
https://buku.io/pgPapua New Guinea
https://buku.io/phThe Philippines
https://buku.io/rwRwanda
https://buku.io/sbSolomon Islands
https://buku.io/slSierra Leone
https://buku.io/srSuriname
https://buku.io/thThailand
https://buku.io/tzTanzania
https://buku.io/ugUganda
https://buku.io/vuVanuatu
https://buku.io/zaSouth Africa
https://buku.io/zmZambia
https://buku.io/zwZimbabwe
https://buku.io/request-an-inviteMy country is not listed
https://www.facebook.com/buku....New window External Subdomain No Text
https://www.instagram.com/buku...New window External Subdomain No Text
https://linkedin.com/company/b...New window External No Text
/legal/general-terms-and-condi...General Terms and Conditions
/legal/privacy-statementPrivacy Statement
/legal/cookie-policyCookie Policy
/legal/cookie-policyText duplicate Cookie Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://buku.io/"
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 excellent with 0.06 seconds.
The file size of the HTML document is fine (217 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=utf-8
servernginx
dateFri, 18 Oct 2024 01:07:29 GMT
last-modifiedMon, 16 Sep 2024 11:22:54 GMT
etagW/"66e8150e-36519"
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
x-content-type-optionsnosniff
referrer-policyno-referrer-when-downgrade
content-security-policydefault-src 'self' https://es.bukuext.com https://google.com https://youtube.com https://facebook.com https://fonts.google.com https://fonts.googleapis.com https://ajax.googleapis.com https://www.google-analytics.com https://www.googletagmanager.com https://stats.g.doubleclick.net; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com; style-src 'self' 'unsafe-inline'; img-src 'self' https://images-cdn.bukuext.com https://google.com https://google.co.in https://www.google-analytics.com data:; connect-src 'self' https://es.bukuext.com https://www.google-analytics.com https://stats.g.doubleclick.net; font-src 'self'; object-src 'none'; media-src 'self'; form-action 'self'; frame-ancestors 'self';
strict-transport-securitymax-age=31536000; includeSubDomains
content-encodinggzip
varyAccept-Encoding
x-cacheHit from cloudfront
via1.1 d6b9c7bad28b271f1e800a50d49ab8a4.cloudfront.net (CloudFront)
x-amz-cf-popFRA2-C2
alt-svch3=":443"; ma=86400
x-amz-cf-idbjuP4l8-JhfIVMjLqShglxQRrWTyfMaOG1W0meUZ6k1xGH7ozm87aQ==
age2524099
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 145 referring domains.
This page has 1,373 backlinks.
This page has backlinks from 89 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

buku.io
BUKU - Opening a world of knowledge and opportunities for everyone
With BUKU you have access to your study books anytime, anywhere. Search and annotate books. All you need is a BUKU subscription.

Most important keywords

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

KeywordResultRecheck
BUKU79%Check
world68%Check
Opening66%Check
knowledge66%Check
opportunities65%Check
Open Access60%Check
books58%Check
access54%Check
Study54%Check
Unlimited access48%Check
Show more keywords and terms

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