WEBSITE REPORT

stadtwerke-sh.de

Latest V2 analysis: 2026-09-12 · 15:12

Overall score83/100

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Score model: score-2026-09-10-fAnalysis: 0.39.4.149Score integrity OK

SEO78Good7/9 passed · 2 failed

Technical95Excellent20/21 passed · 1 failed

Performance83Good5/6 passed · 1 failed

Security91Excellent10/11 passed · 1 failed

Mobile67Needs work4/6 passed · 2 failed

SEO · 7/9 passed · 2 failed

Failed: Image alt coverage · Open Graph metadata

Technical · 20/21 passed · 1 failed

Failed: No external resources without SRI

Performance · 5/6 passed · 1 failed

Failed: Image dimensions >= 80%

Security · 10/11 passed · 1 failed

Failed: Email privacy

Mobile · 4/6 passed · 2 failed

Failed: Responsive viewport · Responsive image markup

Category scores are calculated directly from the individual checks: passed divided by all rated checks. Unrated or not-applicable checks are shown separately and are not counted as passed.

GOOGLE SAFE BROWSING

Security reputation

Checks the website against known Google Safe Browsing threats.

No known threat

APIV5

Matches0

Checked at2026-09-14 · 11:13

Website preview

Open in new tab

DesktopWide browser viewport

https://stadtwerke-sh.de/

MobileNarrow smartphone viewport

Screenshot is being created …

REPORT SUMMARY

What matters most

Critical findings are shown before improvements.

Critical issues0

Improvements3

Strongest areaTechnical 95/100

Needs most attentionMobile 67/100

HTTP status200

Load time541 ms

Page size161 KB

H1 headings1

Images15

Missing alt7

Search Engine Optimization

Title tagStadtwerke SH - Energie und Wärme für den Norden

Meta descriptionDie Stadtwerke SH sind das Gemeinschaftsunternehmen der Stadtwerke Schleswig, Eckernförde und Rendsburg ➤ Mehr erfahren.

Canonicalhttps://www.stadtwerke-sh.de/

Languagede

Text / HTML ratio4.8 %

Headings

H1: 1Stadtwerke SH - WATT MIT HERZBLUT.

H2: 5Hinweis: bitte beachten · Aktuelles · FREUNDE WERBEN FREUNDE

H3: 8Informieren Sie sich über Themen und Neuigkeiten! · TREUE WIRD BELOHNT · WATT ÜBER UNS.

H4: 8WATT MIT HERZBLUT - AUSBILDUNG. · Produkte · Service

H5: 9Checke jetzt unsere Ausbildungsberufe · Unsere Telefonservicezeiten · Serviceanfragen Energie

H6: 0

Keyword cloud

stadtwerke 9erfahren 9rendsburg 5tarif 4schleswig 4jetzt 3berechnen 3strom 3plz 3eingeben 3ort 3auswählen 3jahresverbrauch 3kwh 3smart 3

Search Preview

https://stadtwerke-sh.de/

Stadtwerke SH - Energie und Wärme für den Norden

Die Stadtwerke SH sind das Gemeinschaftsunternehmen der Stadtwerke Schleswig, Eckernförde und Rendsburg ➤ Mehr erfahren.

Title length48 characters

Description length120 characters

Image alt coverage53%

Keyword Consistency

KeywordCountTitleDescriptionH1

stadtwerke9✓✓✓

erfahren9—✓—

rendsburg5—✓—

tarif4———

schleswig4—✓—

jetzt3———

berechnen3———

strom3———

SEO & Indexability

Can search engines understand and index this page?

Indexable

TitleGood48 characters

Meta descriptionGood120 characters

Robots indexingGoodIndexing allowed

CanonicalGoodhttps://www.stadtwerke-sh.de/

Heading hierarchyGoodLogical order

Primary H1Good1 found

LanguageGoodde

Structured dataGoodOrganization, PostalAddress, BreadcrumbList, ListItem

Meta robotsNo restrictive directive

GooglebotNo separate directive

X-Robots-TagNot set

Hreflang0 entries

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Technical root causeWhy an issue occurs

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Usability & Technologies

robots.txtFound

XML SitemapFound

FaviconFound

Compressiongzip

Doctypehtml

EncodingDetected

Open GraphNot detected

Twitter CardsDetected

Schema / JSON-LDDetected

Iframes0

Embedded objects0

Server, DNS & TLS

IPv4178.16.63.106

IPv6Not detected

Nameserversns14.domaincontrol.com, ns13.domaincontrol.com

Mail servers10 de-smtp-inbound-2.mimecast.com, 10 de-smtp-inbound-1.mimecast.com

TLS certificateAvailable

TLS issuerLet's Encrypt

TLS expires2026-12-06T20:30:16+00:00

Security & HTTPS

Transport encryption, certificate health, browser security headers and insecure resources.

91/100

✓HTTPS

Website is served over HTTPS.

✓HTTP → HTTPS

HTTP requests are redirected to HTTPS.

✓TLS certificate

Certificate is available and valid.

✓Mixed content

No insecure HTTP resources detected.

✓HSTS

Strict-Transport-Security is enabled.

✓Content Security Policy

A Content-Security-Policy header is present.

✓MIME sniffing

X-Content-Type-Options: nosniff is enabled.

✓Frame protection

Frame embedding is restricted.

✓Referrer Policy

Referrer-Policy is configured.

✓Permissions Policy

Permissions-Policy is configured.

TLS issuerLet's Encrypt

TLS expires2026-12-06T20:30:16+00:00

Days remaining85

Mixed resources0

TECHNICAL & INFRASTRUCTURE

Delivery, DNS & Server

How the website is delivered before content and SEO are considered.

100/100

HTTP status200

Response time541 ms

HTML size161 KB

CompressionGzip compression

IPv4178.16.63.106

IPv6Not detected

Nameservers2

Mail servers2

Redirects1

HTTP → HTTPSYes

WWW resolvesYes

TLSAvailable

Content-Typetext/html; charset=utf-8

Doctypehtml

Character encodingDetected

Languagede

Server headerApache

X-Powered-ByNot disclosed

Cache-Controlmax-age=0

Primary IP178.16.63.106

Redirect Analysis

HTTP 301http://stadtwerke-sh.de/ → https://www.stadtwerke-sh.de/

HTTP 200https://www.stadtwerke-sh.de/

DOMAIN & URL

Domain & URL Analysis

Local URL-quality checks using data already collected by the core analysis.

Current URLhttps://stadtwerke-sh.de/

HTTPSPassed

URL length25 characters

Domain length16 characters

Domain label length13 characters

Hyphen in domainDetected

UnderscorePassed

IDN / PunycodeNo

Subdomains0

WWW hostNo

Canonical hostPassed

Redirect target hostPassed

SEO-friendly URLPassed

404 Error Page

The 404-page check is running asynchronously or unavailable.

DOMAIN PROTECTION

Typo Domains

Common typo variants are generated locally and DNS-tested asynchronously. A missing DNS record is not proof that a domain is available to register.

Typo-domain check is running asynchronously or unavailable.

Domain Registration (RDAP)

RDAP data unavailable for this domain. The check runs asynchronously and does not delay the core report.

PageSpeed Insights

Mobile and desktop Lighthouse performance, measured asynchronously.

Deferred during crawler run

Links & Crawlability

Link analysis

Up to 12 links are checked asynchronously after the core report.

Internal links101

External domains11

Follow links116

NoFollow links0

Links without text12

Broken in sample0 / 0

Crawlability

robots.txtFound

Meta robotsNo restrictive directive

IndexingIndexable

Canonicalhttps://www.stadtwerke-sh.de/

Canonical hostMatches

XML sitemapFound

Hreflang entries0

Link sample

DestinationTypeRelAnchor text

https://stadtwerke-sh.de/kontaktformularInternalfollowKontaktformular

https://stadtwerke-sh.de/service/stoerungshotlinesInternalfollowStörungshotline

https://www.schleswigernetz-sh.de/ExternalfollowSchleswiger Stadtwerke GmbH

https://www.eckernfoerdernetz-sh.de/ExternalfollowStadtwerke Eckernförde GmbH

https://www.rendsburgernetz-sh.de/ExternalfollowStadtwerke Rendsburg GmbH

https://stadtwerke-sh.de/Internalfollow—

https://stadtwerke-sh.de/produkte/strom/strom-shInternalfollowStrom

https://stadtwerke-sh.de/produkte/strom/dynamische-tarifeInternalfollowDynamische Tarife

https://stadtwerke-sh.de/produkte/strom/intelligente-messsystemeInternalfollowIntelligente Messsysteme

https://stadtwerke-sh.de/produkte/erdgas/erdgas-shInternalfollowErdgas

https://stadtwerke-sh.de/produkte/e-mobilitaet/wallbox-angeboteInternalfollowE-Mobilität

https://stadtwerke-sh.de/produkte/e-mobilitaet/wallbox-angeboteInternalfollowWallbox Angebote

https://stadtwerke-sh.de/produkte/e-mobilitaet/e-ladestandorteInternalfollowE-Ladestandorte

https://stadtwerke-sh.de/produkte/photovoltaikInternalfollowPhotovoltaik

https://stadtwerke-sh.de/produkte/glasfaser/glasfaser-shInternalfollowGlasfaser

https://stadtwerke-sh.de/produkte/wasser/trinkwasserversorgung-shInternalfollowWasser

https://stadtwerke-sh.de/produkte/abwasser/abwasserentsorgung-shInternalfollowAbwasser

https://stadtwerke-sh.de/produkte/serviceprodukte/serviceprodukte-shInternalfollowServiceprodukte

https://stadtwerke-sh.de/produkte/serviceprodukte/kunden-werben-kundenInternalfollowKunden werben Kunden

SEO

✓Title presentPassed

✓Title lengthPassed

✓Meta descriptionPassed

✓Exactly one H1Passed

✓Heading hierarchyPassed

✓CanonicalPassed

×Image alt coverageNeeds attention

✓Structured dataPassed

×Open Graph metadataNeeds attention

Technical

✓HTTP status 2xxPassed

✓HTML content typePassed

✓HTML languagePassed

✓Character encodingPassed

✓HTML doctypePassed

✓Robots allows indexingPassed

✓robots.txtPassed

✓XML sitemapPassed

✓FaviconPassed

✓Internal links presentPassed

✓DNS address presentPassed

✓No redirect loopPassed

✓Short redirect chainPassed

✓Canonical presentPassed

✓Canonical matches hostPassed

✓Heading hierarchy validPassed

✓Single H1Passed

✓Cache policy declaredPassed

✓No duplicate scriptsPassed

✓No duplicate stylesheetsPassed

×No external resources without SRINeeds attention

Performance

✓Response under 1.5sPassed

✓HTML under 250 KBPassed

✓Compression enabledPassed

✓Parser blocking scripts <= 2Passed

✓Blocking stylesheets <= 4Passed

×Image dimensions >= 80%Needs attention

Security

✓HTTPSPassed

✓HTTP redirects to HTTPSPassed

✓Valid TLS certificatePassed

✓No mixed contentPassed

✓HSTSPassed

✓Content Security PolicyPassed

✓MIME sniffing protectionPassed

✓Frame protectionPassed

✓Referrer PolicyPassed

✓Permissions PolicyPassed

×Email privacyNeeds attention

Mobile

✓Viewport meta tagPassed

×Responsive viewportNeeds attention

✓No embedded objectsPassed

✓No fixed-width layout hintsPassed

✓No tiny-control hintsPassed

×Responsive image markupNeeds attention

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