WEBSITE REPORT

zvab.com

Latest V2 analysis: 2026-09-08 · 21:19

Overall score86/100

Run fresh analysis Visit website Guardar sitio

This report still uses an older scoring model. Re-run the analysis to calculate the current category scores.

SEO56Critical5/9 passed · 4 failed

Technical90Excellent9/10 passed · 1 failed

Performance100Excellent4/4 passed · 0 failed

Security82Good9/11 passed · 2 failed

Mobile100Excellent3/3 passed · 0 failed

SEO · 5/9 passed · 4 failed

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

Technical · 9/10 passed · 1 failed

Failed: XML sitemap

Performance · 4/4 passed · 0 failed

All rated checks passed.

Security · 9/11 passed · 2 failed

Failed: Content Security Policy · Referrer Policy

Mobile · 3/3 passed · 0 failed

All rated checks passed.

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

Reputación de seguridad

Comprueba el sitio frente a amenazas conocidas de Google Safe Browsing.

Sin amenaza conocida

APIV5

Coincidencias0

Comprobado2026-09-12 · 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 issues1

Improvements6

Strongest areaPerformance 100/100

Needs most attentionSEO 56/100

HTTP status200

Load time879 ms

Page size266 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 32seltene 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

No hay una meta descripción disponible para esta página.

Title length106 characters

Description length0 characters

Image alt coverage94%

Keyword Consistency

KeywordCantidadTitleDescriptionH1

bücher32✓—✓

seltene14———

antiquarische11✓——

entdecken9———

teuersten8———

verkäufe8———

finden5——✓

zvab5✓——

SEO e indexabilidad

¿Pueden los motores de búsqueda entender e indexar esta página?

Indexable

TitleRevisar106 caracteres

Meta descripciónRevisar0 caracteres

Indexación de robotsBienIndexación permitida

CanonicalBienhttps://www.zvab.com/

Jerarquía de encabezadosRevisarNivel de encabezado omitido

H1 principalBien1 encontrado

IdiomaBiende

Datos estructuradosBienWebPage, Organization

Meta robotsNo restrictive directive

GooglebotNo separate directive

X-Robots-TagNot set

Hreflang1 entradas

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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

Impact & effortPriority by benefit and effort

Top 5 improvementsThe changes with the biggest impact

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Usability & Technologies

robots.txtFound

XML SitemapNot found

FaviconFound

Compressiongzip

Doctypehtml

EncodingDetected

Open GraphDetected

Twitter CardsDetected

Schema / JSON-LDDetected

Iframes0

Embedded objects0

Server, DNS & TLS

IPv454.239.195.117, 54.239.195.42, 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

Días restantes148

Mixed resources0

TECHNICAL & INFRASTRUCTURE

Delivery, DNS & Server

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

100/100

HTTP status200

Response time879 ms

HTML size266 KB

CompressionGzip compression

IPv454.239.195.117, 54.239.195.42

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 IP54.239.195.117

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

Enlaces y rastreo

Análisis de enlaces

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

Enlaces internos114

Dominios externos11

Follow links137

NoFollow links0

Enlaces sin texto0

Rotos en la muestra0 / 0

Rastreabilidad

robots.txtFound

Meta robotsNo restrictive directive

IndexingIndexable

Canonicalhttps://www.zvab.com/

Canonical hostMatches

XML sitemapMissing

Hreflang entries1

Muestra de enlaces

DestinoTipoRelTexto del enlace

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 presentCorrecto

×Title lengthRequiere atención

×Meta descriptionRequiere atención

✓Exactly one H1Correcto

×Heading hierarchyRequiere atención

✓CanonicalCorrecto

×Image alt coverageRequiere atención

✓Structured dataCorrecto

✓Open Graph metadataCorrecto

Technical

✓HTTP status 2xxCorrecto

✓HTML languageCorrecto

✓Character encodingCorrecto

✓HTML doctypeCorrecto

✓Robots allows indexingCorrecto

✓robots.txtCorrecto

×XML sitemapRequiere atención

✓FaviconCorrecto

✓Internal links presentCorrecto

✓WWW resolvesCorrecto

Performance

✓Response under 1sCorrecto

✓Response under 2.5sCorrecto

✓HTML under 500 KBCorrecto

✓Compression enabledCorrecto

Security

✓HTTPSCorrecto

✓HTTP redirects to HTTPSCorrecto

✓Valid TLS certificateCorrecto

✓No mixed contentCorrecto

✓HSTSCorrecto

×Content Security PolicyRequiere atención

✓MIME sniffing protectionCorrecto

✓Frame protectionCorrecto

×Referrer PolicyRequiere atención

✓Permissions PolicyCorrecto

✓Email privacyCorrecto

Mobile

✓Viewport meta tagCorrecto

✓Responsive viewportCorrecto

✓No embedded objectsCorrecto

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