De.khanacademy.org - SEO Checker

Overview of the SEO Check
Meta information
61% 
Page quality
52% 
Page structure
58% 
Link structure
0% 
Server
100% 
External factors
59% 
SEO Score
Response time
0.28 s
File size
157.80 kB
Words
0
Media files
0
Number of links
0 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Khan Academy
The page title is too short. (135 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://de.khanacademy.org/
The specified canonical link points to a different page.
Language
(Somewhat important)
Language defined in HTML: de
Server location: Germany
The following language is defined by HTML: de
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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=1.0
langde
og:urlhttps://de.khanacademy.org/
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 0 words on this page. Use at least 250 words to provide useful information.
Some words from the page title are not used within the pages content
No paragraphs were detected.
No placeholders texts or images were found.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 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.
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
This page seems to be an entry page, because only very few links were found.
There are no external links on this page.
No internal links were found.

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
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 0.28 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (158 kB).

HTTP Response Header

NameValue
connectionclose
x-content-type-optionsnosniff
age388
accept-rangesnone
etagW/"e52ceb1c903e6ef193f6a8b80c72d63f"
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=31536000; includeSubDomains; preload
last-modifiedMon, 30 Jun 2025 18:39:31 GMT
content-encodinggzip
x-cloud-trace-contexte6211196fa1142ca8220000000002119
content-typetext/html
cache-controlprivate, no-store
expiresMon, 30 Jun 2025 19:42:06 GMT
set-cookie120 Characters
dateMon, 30 Jun 2025 18:48:33 GMT
varyaccept-encoding, Accept-Encoding
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 18 referring domains.
This page only has 309 backlinks.
This page only has few backlinks from 16 different ip addresses.
This page is referenced by wikipedia.

Robots.txt

User-agent: GPTBot
Disallow: /

User-agent: *
Sitemap: https://de.khanacademy.org/sitemap.xml
Disallow: /_ah/
Disallow: /admin/
Disallow: /api/internal/_bb/
Disallow: /crash
Disallow: /devadmin/
Disallow: /embed_video
Disallow: /login?continue=*
Disallow: /postlogin
Disallow: /preview/
Disallow: /search
Disallow: /searchtest
Disallow: /settings/linkaccount
Disallow: /khan-labs?step=terms-and-conditions
Disallow: /khan-labs?step=terms-and-conditions-redirect
Disallow: /khan-labs?step=no-birthdate
Disallow: /khan-labs?step=under-age-gate
Disallow: /khan-labs?step=english-only
Disallow: /khan-labs?step=us-only
Disallow: /khan-labs?step=children-over-limit
Disallow: /khan-labs?step=ineligible
Disallow: /khanmigo/checkout?step=terms-and-conditions
Disallow: /khanmigo/checkout?step=terms-and-conditions-redirect
Disallow: /khanmigo/checkout?step=no-birthdate
Disallow: /khanmigo/checkout?step=under-age-gate
Disallow: /khanmigo/checkout?step=english-only
Disallow: /khanmigo/checkout?step=us-only
Disallow: /khanmigo/checkout?step=children-over-limit
Disallow: /khanmigo/checkout?step=ineligible
Disallow: *?qa_expand_key*

Search preview

de.khanacademy.org
Khan Academy

Most important keywords

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

KeywordResultRecheck
Khan23%Check
Academy23%Check
Khan Academy23%Check

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