Zh.lehrplan.ch - SEO Checker

Overview of the SEO Check
Meta information
50% 
Page quality
38% 
Page structure
79% 
Link structure
25% 
Server
89% 
External factors
100% 
SEO Score
Response time
0.63 s
File size
14.70 kB
Words
113
Media files
3
Number of links
37 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Lehrplan 21
The page title is too short. (105 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Lehrplan 21
The meta description is too short. (105 pixels out of 1000 max pixel length) Optimize description
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: de
Language defined in HTML: en
Server location: United States of America
The given language en does not conform with the detected language 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 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
descriptionLehrplan 21
D-EDKProjekt Lehrplan 21
programmerh1z - Heinz Estermann
viewportwidth=device-width, initial-scale=1, maximum-scale=1
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
There are only 113 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
16.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
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, maximum-scale=1" 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 6 tags for this page.
Image SEO
(Somewhat important)
3 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
...ten.lehrplan.ch/grafiken/logo_web/ZH.pngNo alt attribute providedLehrplan Volksschule Kanton Zürich
...n.lehrplan.ch/grafiken/logo_web/lp21.pngNo alt attribute providedLehrplan 21
...lehrplan.ch/grafiken/icons/clipboard.pngNo alt attribute provided

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.

Heading structure

Heading levelContent
H3 Hinweis zum Download
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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 2 external links on this page.
LinkAttributesAnchor text
https://zh.lehrplan.ch/index.phpNo Text
/downloads.phpDownloadbereich
A-TITLE Hier können Sie die Inhalte des Lehrplans als PDF herunterladen.
https://zh.lehrplan.ch/index.phpStartseite
https://zh.lehrplan.ch/index.php?Text duplicate Startseite
/index.php?code=e|101|1Überblick
/index.php?code=e|200|1Grundlagen
/index.php?code=b|1|0&la=yesSprachen
/index.php?code=b|5|0&la=yesMathematik
/index.php?code=b|6|0&la=yesNatur, Mensch, Gesellschaft
/index.php?code=b|7|0&la=yesGestalten
/index.php?code=b|8|0&la=yesMusik
/index.php?code=b|9|0&la=yesBewegung und Sport
/index.php?code=b|10|0&la=yesMedien und Informatik
/index.php?code=b|13|0&la=yesBerufliche Orientierung
/index.php?code=b|1|11Deutsch
/index.php?code=b|1|21Englisch
/index.php?code=b|1|32Französisch
/index.php?code=b|1|41Italienisch
/index.php?code=b|5|0&la=yesText duplicate Mathematik
/index.php?code=b|6|1Natur, Mensch, Gesellschaft (1./2. Zyklus)
/index.php?code=b|6|2Natur und Technik (mit Physik, Chemie, Biologie)
/index.php?code=b|6|3Wirtschaft, Arbeit, Haushalt (mit Hauswirtschaft)
/index.php?code=b|6|4Räume, Zeiten, Gesellschaften (mit Geografie, Geschichte)
/index.php?code=b|6|5Religionen, Kulturen, Ethik
/index.php?code=b|7|0&la=yesGestalten:
/index.php?code=b|7|1Bildnerisches Gestalten
/index.php?code=b|7|2Textiles und Technisches Gestalten
/index.php?code=b|8|0&la=yesText duplicate Musik
/index.php?code=b|9|0&la=yesText duplicate Bewegung und Sport
/index.php?code=b|10|0&la=yesText duplicate Medien und Informatik
/index.php?code=b|13|0&la=yesText duplicate Berufliche Orientierung
/index.php?code=e|200|4Bildung für Nachhaltige Entwicklung
/index.php?code=e|200|3Überfachliche Kompetenzen
/index.php?code=b|12|0&la=yesProjektunterricht
/impressum.phpImpressum
https://zh.lehrplan.ch/hilfe.phpHilfe
https://www.lehrplan.ch/New window External Subdomain Über den Lehrplan 21
https://regionalkonferenzen.ch...New window External Regionalkonferenzen
/if_set_link.php?backA-TITLE Modus für das Setzen externer Links einschalten

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://zh.lehrplan.ch/"
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 of 0.63 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (15 kB).

HTTP Response Header

NameValue
dateMon, 16 Feb 2026 02:19:28 GMT
content-typetext/html; charset=UTF-8
servercloudflare
varyAccept-Encoding
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
set-cookie50 Characters
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=MhmFL76%2BEg%2FbXCoHmwGSTyOFKwBVNdnsV7UeQq%2BT5HPrwoqn%2FECBEi%2FNGxcqTJiCkU4lZZiOGrPv6OtXpTl7PFqvqMpzoCs1t09S%2FxAK"}]}
cf-cache-statusDYNAMIC
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
content-encodingzstd
cf-ray9ce98f6c3969dcb9-FRA
alt-svch3=":443"; ma=86400
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 187 referring domains.
This page has 400 backlinks.
This page has backlinks from 71 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# As a condition of accessing this website, you agree to abide by the following
# content signals:

# (a)  If a content-signal = yes, you may collect content for the corresponding
#      use.
# (b)  If a content-signal = no, you may not collect content for the
#      corresponding use.
# (c)  If the website operator does not include a content signal for a
#      corresponding use, the website operator neither grants nor restricts
#      permission via content signal with respect to the corresponding use.

# The content signals and their meanings are:

# search:   building a search index and providing search results (e.g., returning
#           hyperlinks and short excerpts from your website's contents). Search does not
#           include providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models (e.g., retrieval
#           augmented generation, grounding, or other real-time taking of content for
#           generative AI search answers).
# ai-train: training or fine-tuning AI models.

# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS RESERVATIONS OF
# RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT
# AND RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.

Search preview

zh.lehrplan.ch
Lehrplan 21
Lehrplan 21

Most important keywords

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

KeywordResultRecheck
Lehrplan78%Check
Lehrplan 2172%Check
Hinweis43%Check
Download43%Check
Gestalten39%Check
Downloadbereich39%Check
Natur39%Check
Klasse39%Check
Kompetenzen39%Check
Berufliche Orientierung39%Check

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