WebsiteReviews

WEBSITE REPORT

rosenberger.com

Latest V2 analysis: 2026-09-12 · 00:15

Overall score77/100
Run fresh analysisVisit websiteSave website
Score model: score-2026-09-10-fAnalysis: 0.39.4.149Score integrity OK
SEO67Needs work6/9 passed · 3 failed
Technical100Excellent21/21 passed · 0 failed
Performance67Needs work4/6 passed · 2 failed
Security82Good9/11 passed · 2 failed
Mobile67Needs work4/6 passed · 2 failed
SEO · 6/9 passed · 3 failed

Failed: Title length · Meta description · Image alt coverage

Technical · 21/21 passed · 0 failed

All rated checks passed.

Performance · 4/6 passed · 2 failed

Failed: Parser blocking scripts <= 2 · Blocking stylesheets <= 4

Security · 9/11 passed · 2 failed

Failed: Permissions Policy · 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 at2026-09-12 · 02:10

Website preview

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https://rosenberger.com/
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REPORT SUMMARY

What matters most

Critical findings are shown before improvements.

Critical issues0
Improvements5
Strongest areaTechnical 100/100
Needs most attentionSEO 67/100
HTTP status200
Load time282 ms
Page size108 KB
H1 headings1
Images56
Missing alt18

Search Engine Optimization

Title tagConnectivity Solutions for Data, Signal & Power Transmission – Rosenberger Group
Meta descriptionDiscover Rosenberger's connectivity solutions for reliable data, signal, and power transmission. High-frequency, fiber optic, and high-voltage technologies for demanding applications.
Canonicalhttps://www.rosenberger.com/
Languageen
Text / HTML ratio12.8 %

Headings

H1: 1Rosenberger Group
H2: 5Powering Progress Through Connection · Latest News · Solutions for Demanding Technologies
H3: 0
H4: 0
H5: 0
H6: 0

Keyword cloud

high 13data 7rosenberger 7performance 6solutions 6power 5applications 4connectors 4connectivity 4reliable 4portfolio 4voltage 4hvs 4demanding 4learn 4

Search Preview

https://rosenberger.com/
Connectivity Solutions for Data, Signal & Power Transmission – Rosenberger Group
Discover Rosenberger's connectivity solutions for reliable data, signal, and power transmission. High-frequency, fiber optic, and high-voltage technologies for demanding applications.
Title length82 characters
Description length183 characters
Image alt coverage68%

Keyword Consistency

KeywordCountTitleDescriptionH1
high13
data7
rosenberger7
performance6
solutions6
power5
applications4
connectors4
SEO & Indexability

Can search engines understand and index this page?

Indexable
TitleReview82 characters
Meta descriptionReview183 characters
Robots indexingGoodIndexing allowed
CanonicalGoodhttps://www.rosenberger.com/
Heading hierarchyGoodLogical order
Primary H1Good1 found
LanguageGooden
Structured dataGoodOrganization, ContactPoint
Meta robotsNo restrictive directive
GooglebotNo separate directive
X-Robots-TagNot set
Hreflang3 entries
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Usability & Technologies

robots.txtFound
XML SitemapFound
FaviconFound
Compressiongzip
Doctypehtml
EncodingDetected
Open GraphDetected
Twitter CardsNot detected
Schema / JSON-LDDetected
Iframes0
Embedded objects0

Server, DNS & TLS

IPv478.46.152.70
IPv6Not detected
Nameserversns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
Mail servers10 de-smtp-inbound-1.mimecast.com, 10 de-smtp-inbound-2.mimecast.com
TLS certificateAvailable
TLS issuerDigiCert Inc
TLS expires2027-03-21T23:59:59+00:00

Security & HTTPS

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

82/100
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
Restrict unnecessary browser features with Permissions-Policy.
TLS issuerDigiCert Inc
TLS expires2027-03-21T23:59:59+00:00
Days remaining190
Mixed resources0
TECHNICAL & INFRASTRUCTURE

Delivery, DNS & Server

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

100/100
HTTP status200
Response time282 ms
HTML size108 KB
CompressionGzip compression
IPv478.46.152.70
IPv6Not detected
Nameservers3
Mail servers2
Redirects2
HTTP → HTTPSYes
WWW resolvesYes
TLSAvailable
Content-Typetext/html; charset=utf-8
Doctypehtml
Character encodingDetected
Languageen
Server headerHTTP Server
X-Powered-ByNot disclosed
Cache-Controlmax-age=0
Primary IP78.46.152.70

Redirect Analysis

HTTP 301http://rosenberger.com/ → https://rosenberger.com/
HTTP 301https://rosenberger.com/ → https://www.rosenberger.com/
HTTP 200https://www.rosenberger.com/
DOMAIN & URL

Domain & URL Analysis

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

Current URLhttps://rosenberger.com/
HTTPSPassed
URL length24 characters
Domain length15 characters
Domain label length11 characters
Hyphen in domainNone
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

SEO

Title presentPassed
×Title lengthNeeds attention
×Meta descriptionNeeds attention
Exactly one H1Passed
Heading hierarchyPassed
CanonicalPassed
×Image alt coverageNeeds attention
Structured dataPassed
Open Graph metadataPassed

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 SRIPassed

Performance

Response under 1.5sPassed
HTML under 250 KBPassed
Compression enabledPassed
×Parser blocking scripts <= 2Needs attention
×Blocking stylesheets <= 4Needs attention
Image dimensions >= 80%Passed

Security

HTTPSPassed
HTTP redirects to HTTPSPassed
Valid TLS certificatePassed
No mixed contentPassed
HSTSPassed
Content Security PolicyPassed
MIME sniffing protectionPassed
Frame protectionPassed
Referrer PolicyPassed
×Permissions PolicyNeeds attention
×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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