WEBSITE REPORT

zvab.com

Latest V2 analysis: 2026-09-12 · 02:55

Overall score76/100

Run fresh analysis Visit website Salva sito

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

SEO56Critical5/9 passed · 4 failed

Technical90Excellent19/21 passed · 2 failed

Performance67Needs work4/6 passed · 2 failed

Security82Good9/11 passed · 2 failed

Mobile83Good5/6 passed · 1 failed

SEO · 5/9 passed · 4 failed

Failed: Title length · Meta description · Heading hierarchy · Image alt coverage

Technical · 19/21 passed · 2 failed

Failed: Heading hierarchy valid · No external resources without SRI

Performance · 4/6 passed · 2 failed

Failed: HTML under 250 KB · Image dimensions >= 80%

Security · 9/11 passed · 2 failed

Failed: Content Security Policy · Referrer Policy

Mobile · 5/6 passed · 1 failed

Failed: Responsive viewport

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

Reputazione di sicurezza

Controlla il sito rispetto alle minacce note di Google Safe Browsing.

Nessuna minaccia nota

APIV5

Corrispondenze0

Controllato il2026-09-12 · 01:53

Website preview

Open in new tab

DesktopWide browser viewport

https://zvab.com/

MobileNarrow smartphone viewport

Screenshot is being created …

REPORT SUMMARY

What matters most

Critical findings are shown before improvements.

Critical issues2

Improvements7

Strongest areaTechnical 90/100

Needs most attentionSEO 56/100

HTTP status200

Load time673 ms

Page size265 KB

H1 headings1

Images32

Missing alt2

Search Engine Optimization

Title tagZVAB - Zentrales Verzeichnis Antiquarischer Bücher | Antiquarische und vergriffene Bücher online bestellen

Meta description

Canonicalhttps://www.zvab.com/

Languagede

Text / HTML ratio2.9 %

Headings

H1: 1Finden Sie Bücher

H2: 1Mehr zum Entdecken

H3: 1Seite der Einkaufseinstellungen

H4: 6Kaufen · Anbieten · Über uns

H5: 0

H6: 0

Keyword cloud

bücher 31seltene 14antiquarische 11entdecken 9teuersten 8verkäufe 8finden 5zvab 5april 5kaufen 4ansehen 4jetzt 4stöbern 4büchern 4modernen 4

Search Preview

https://zvab.com/

ZVAB - Zentrales Verzeichnis Antiquarischer Bücher | Antiquarische und vergriffene Bücher online bestellen

Nessuna meta description è disponibile per questa pagina.

Title length106 characters

Description length0 characters

Image alt coverage94%

Keyword Consistency

KeywordConteggioTitleDescriptionH1

bücher31✓—✓

seltene14———

antiquarische11✓——

entdecken9———

teuersten8———

verkäufe8———

finden5——✓

zvab5✓——

SEO e indicizzabilità

I motori di ricerca possono comprendere e indicizzare questa pagina?

Indicizzabile

TitleControlla106 caratteri

Meta descriptionControlla0 caratteri

Robots indexingBuonoIndexing allowed

CanonicalBuonohttps://www.zvab.com/

Heading hierarchyControllaSkipped heading level

Primary H1Buono1 found

LinguaBuonode

Structured dataBuonoWebPage, Organization

Meta robotsNo restrictive directive

GooglebotNo separate directive

X-Robots-TagNot set

Hreflang1 voci

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Prioritized actionsWhat should be fixed first

Exact affected URLsWhich pages are actually affected

Technical root causeWhy an issue occurs

Step-by-step remediationConcrete path to a fix

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Usability & Technologies

robots.txtFound

XML SitemapFound

FaviconFound

Compressiongzip

Doctypehtml

EncodingDetected

Open GraphDetected

Twitter CardsDetected

Schema / JSON-LDDetected

Iframes0

Embedded objects0

Server, DNS & TLS

IPv454.239.195.42, 54.239.195.117, 54.239.195.16, 54.239.195.61

IPv6Not detected

Nameserversns-358.awsdns-44.com, ns-563.awsdns-06.net, ns-1074.awsdns-06.org, ns-1950.awsdns-51.co.uk

Mail servers10 amazon-smtp.amazon.com

TLS certificateAvailable

TLS issuerAmazon

TLS expires2027-02-03T23:59:59+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

Add a restrictive Content-Security-Policy header.

✓MIME sniffing

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

✓Frame protection

Frame embedding is restricted.

!Referrer Policy

Add an appropriate Referrer-Policy header.

✓Permissions Policy

Permissions-Policy is configured.

TLS issuerAmazon

TLS expires2027-02-03T23:59:59+00:00

Giorni rimanenti144

Mixed resources0

TECHNICAL & INFRASTRUCTURE

Delivery, DNS & Server

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

100/100

HTTP status200

Response time673 ms

HTML size265 KB

CompressionGzip compression

IPv454.239.195.42, 54.239.195.117

IPv6Not detected

Nameservers4

Mail servers1

Redirects2

HTTP → HTTPSYes

WWW resolvesYes

TLSAvailable

Content-Typetext/html;charset=UTF-8

Doctypehtml

Character encodingDetected

Languagede

Server headerServer

X-Powered-ByBrightspot

Cache-Controlpublic

Primary IP54.239.195.42

Redirect Analysis

HTTP 301http://zvab.com/ → https://zvab.com/

HTTP 301https://zvab.com/ → https://www.zvab.com/

HTTP 200https://www.zvab.com/

DOMAIN & URL

Domain & URL Analysis

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

Current URLhttps://zvab.com/

HTTPSPassed

URL length17 characters

Domain length8 characters

Domain label length4 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

Links & Crawlability

Analisi dei link

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

Link interni113

Domini esterni11

Follow links136

NoFollow links0

Link senza testo0

Broken in sample0 / 0

Scansionabilità

robots.txtFound

Meta robotsNo restrictive directive

IndexingIndexable

Canonicalhttps://www.zvab.com/

Canonical hostMatches

XML sitemapFound

Hreflang entries1

Campione di link

DestinazioneTipoRelTesto del link

https://zvab.com/InternalfollowZVAB.com

https://zvab.com/servlet/LoginDirectorInternalfollowLogin

https://zvab.com/servlet/MembersMenuPLInternalfollowNutzerkonto

https://zvab.com/checkout/basketInternalfollowWarenkorb

https://kundenservice.zvab.com/s/?language=deExternalfollowHilfe

https://zvab.com/servlet/MembersMenuPLInternalfollowNutzerkonto

https://zvab.com/servlet/BuyerOrderTrackPLInternalfollowMeine Bestellungen

https://zvab.com/servlet/SignOff?ph=2InternalfollowLogout

https://zvab.com/servlet/SearchEntryInternalfollowDetailsuche

https://zvab.com/sammlungen/InternalfollowSammlungen

https://zvab.com/buecher-sammeln/InternalfollowBücher sammeln

https://zvab.com/sammlerstuecke/InternalfollowKunst & Sammlerstücke

https://zvab.com/servlet/BookstoreSearchInternalfollowAntiquariate finden

https://zvab.com/buecher-verkaufen.shtmlInternalfollowVerkäufer werden

https://kundenservice.zvab.com/s/?language=deExternalfollowHilfe

https://www.zvab.com/buecher-sammeln/InternalfollowSeltene antiquarische Bücher

https://www.zvab.com/buecher-sammeln/30-jahre-im-zeichen-des-außergewohnlichenInternalfollowZVAB feiert sein 30-jähriges Bestehen mit 30 außergewöhnlichen Verkaufsstorys

https://www.zvab.com/buecher-sammeln/30-jahre-im-zeichen-des-außergewohnlichenInternalfollowBücher ansehen

https://www.zvab.com/antiquarische-buecher/150-jahre-rainer-maria-rilkeInternalfollow150 Jahre Rainer Maria Rilke

https://www.zvab.com/antiquarische-buecher/150-jahre-rainer-maria-rilkeInternalfollowJetzt stöbern

SEO

✓Title presentSuperato

×Title lengthRichiede attenzione

×Meta descriptionRichiede attenzione

✓Exactly one H1Superato

×Heading hierarchyRichiede attenzione

✓CanonicalSuperato

×Image alt coverageRichiede attenzione

✓Structured dataSuperato

✓Open Graph metadataSuperato

Technical

✓HTTP status 2xxSuperato

✓HTML content typeSuperato

✓HTML languageSuperato

✓Character encodingSuperato

✓HTML doctypeSuperato

✓Robots allows indexingSuperato

✓robots.txtSuperato

✓XML sitemapSuperato

✓FaviconSuperato

✓Internal links presentSuperato

✓DNS address presentSuperato

✓No redirect loopSuperato

✓Short redirect chainSuperato

✓Canonical presentSuperato

✓Canonical matches hostSuperato

×Heading hierarchy validRichiede attenzione

✓Single H1Superato

✓Cache policy declaredSuperato

✓No duplicate scriptsSuperato

✓No duplicate stylesheetsSuperato

×No external resources without SRIRichiede attenzione

Performance

✓Response under 1.5sSuperato

×HTML under 250 KBRichiede attenzione

✓Compression enabledSuperato

✓Parser blocking scripts <= 2Superato

✓Blocking stylesheets <= 4Superato

×Image dimensions >= 80%Richiede attenzione

Security

✓HTTPSSuperato

✓HTTP redirects to HTTPSSuperato

✓Valid TLS certificateSuperato

✓No mixed contentSuperato

✓HSTSSuperato

×Content Security PolicyRichiede attenzione

✓MIME sniffing protectionSuperato

✓Frame protectionSuperato

×Referrer PolicyRichiede attenzione

✓Permissions PolicySuperato

✓Email privacySuperato

Mobile

✓Viewport meta tagSuperato

×Responsive viewportRichiede attenzione

✓No embedded objectsSuperato

✓No fixed-width layout hintsSuperato

✓No tiny-control hintsSuperato

✓Responsive image markupSuperato

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