hypertextbook.com - Secure (SSL)

Résultats de la vérification pour : hypertextbook.com

hypertextbook.com est EN LIGNE

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Info supplémentaires pour https://hypertextbook.com

État du site web hypertextbook.com est EN LIGNE

Informations Techniques

Code de Statut HTTP	200
Version HTTP	HTTP/1.1
HTTPS	✔ Disponible
Adresse IP	188.114.96.2
Logiciel Serveur	cloudflare
CDN	Cloudflare
Compression	gzip
ℹ 🔵 HSTS Manquant	HTTP Strict Transport Security n'est pas configuré. Recommandé pour les sites HTTPS.
ℹ 🔵 Content Security Policy Manquante	CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu.
ℹ 🔵 X-Frame-Options Manquant	Le site peut être intégré dans des iframes par des tiers (risque de clickjacking).

Code de Statut HTTP 200
Version HTTP HTTP/1.1
HTTPS ✔ Disponible
Adresse IP 188.114.96.2
Logiciel Serveur cloudflare
CDN Cloudflare
Compression gzip
ℹ 🔵 HSTS Manquant HTTP Strict Transport Security n'est pas configuré. Recommandé pour les sites HTTPS.
ℹ 🔵 Content Security Policy Manquante CSP n'est pas configuré. Cela aide à prévenir les attaques XSS et l'injection de contenu.
ℹ 🔵 X-Frame-Options Manquant Le site peut être intégré dans des iframes par des tiers (risque de clickjacking).

Performance

Résolution DNS	35.1 ms
Connexion TCP	54.3 ms
Négociation TLS	61.9 ms
Temps Jusqu'au Premier Octet (TTFB)	473.9 ms
Téléchargement du Contenu	66.8 ms
Temps de Réponse Total	540.7 ms

Résolution DNS 35.1 ms
Connexion TCP 54.3 ms
Négociation TLS 61.9 ms
Temps Jusqu'au Premier Octet (TTFB) 473.9 ms
Téléchargement du Contenu 66.8 ms
Temps de Réponse Total 540.7 ms

Sécurité

HTTPS	✔ Activé
HSTS	✘ Non configuré
CSP	⚠ Non configuré
X-Frame-Options	⚠ Non configuré
X-Content-Type-Options	⚠ Non configuré
HTTP/2	⚠ HTTP/1.1

HTTPS ✔ Activé
HSTS ✘ Non configuré
CSP ⚠ Non configuré
X-Frame-Options ⚠ Non configuré
X-Content-Type-Options ⚠ Non configuré
HTTP/2 ⚠ HTTP/1.1

Vérification SEO Rapide

Titre	hypertextbook
Meta Description	Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Canonique	https://hypertextbook.com
Titre Open Graph	hypertextbook
Description Open Graph	Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Image Open Graph	https://hypertextbook.com/hypertextbook/og-image.jpg
Twitter Card	summary
Titre Twitter	hypertextbook
Description Twitter	Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Image Twitter	https://hypertextbook.com/hypertextbook/og-image.jpg

Titre hypertextbook
Meta Description Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Canonique https://hypertextbook.com
Titre Open Graph hypertextbook
Description Open Graph Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Image Open Graph https://hypertextbook.com/hypertextbook/og-image.jpg
Twitter Card summary
Titre Twitter hypertextbook
Description Twitter Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Image Twitter https://hypertextbook.com/hypertextbook/og-image.jpg

Technologies Détectées

Technologie	jQuery Google Analytics Google Tag Manager Cloudflare

Technologie jQuery Google Analytics Google Tag Manager Cloudflare

En-têtes HTTP

Date	Fri, 21 Aug 2026 17:43:01 GMT
Content-type	text/html
Report-to	{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=RWL5OkppH%2BJSeXrWfUfEmNJrwmDcqsl4lF%2FJVMcDv0OsYBo8hKjyzVQeB7WUa1AgkPswwrXc8BBgYdWXOpf01jlRaLxXQ%2BqPqamgPRiow3tzFhbQbDyFgXI9bFIfJeJRzFBkh3kzmh%2FkX05%2FVz3OhQ%3D%3D"}]}
Vary	Accept-Encoding
Server	cloudflare
Alt-svc	h3=":443"; ma=86400
X-turbo-charged-by	LiteSpeed
Cf-cache-status	DYNAMIC
Nel	{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server-timing	cfEdge;dur=9,cfOrigin;dur=339
Content-encoding	gzip
Cf-ray	a2eb700aecde3cc1-CDG

Balises Meta

Viewport	width=416
Author	Glenn Elert
Apple-mobile-web-app-title	hypertextbook
Application-name	hypertextbook
Msapplication-config	https://hypertextbook.com/hypertextbook/browserconfig.xml
Msapplication-TileColor	#001f3d
Theme-color	#ffffff
Description	Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.

Date Fri, 21 Aug 2026 17:43:01 GMT
Content-type text/html
Report-to {"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=RWL5OkppH%2BJSeXrWfUfEmNJrwmDcqsl4lF%2FJVMcDv0OsYBo8hKjyzVQeB7WUa1AgkPswwrXc8BBgYdWXOpf01jlRaLxXQ%2BqPqamgPRiow3tzFhbQbDyFgXI9bFIfJeJRzFBkh3kzmh%2FkX05%2FVz3OhQ%3D%3D"}]}
Vary Accept-Encoding
Server cloudflare
Alt-svc h3=":443"; ma=86400
X-turbo-charged-by LiteSpeed
Cf-cache-status DYNAMIC
Nel {"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
Server-timing cfEdge;dur=9,cfOrigin;dur=339
Content-encoding gzip
Cf-ray a2eb700aecde3cc1-CDG

Viewport width=416
Author Glenn Elert
Apple-mobile-web-app-title hypertextbook
Application-name hypertextbook
Msapplication-config https://hypertextbook.com/hypertextbook/browserconfig.xml
Msapplication-TileColor #001f3d
Theme-color #ffffff
Description Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Og:type website
Og:site_name hypertextbook.com
Og:url https://hypertextbook.com
Og:title hypertextbook
Og:description Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Og:image

Twitter:card summary
Twitter:site @hypertextbook
Twitter:creator @glennelert
Twitter:url https://hypertextbook.com
Twitter:title hypertextbook
Twitter:description Free books to read and enjoy online. General interest hypertext-books and technical hyper-textbooks — physics, mathematics, cycling, education, media, skepticism, West Africa, and more.
Twitter:image

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Résultats de la vérification pour : hypertextbook.com

hypertextbook.com est EN LIGNE

Info supplémentaires pour https://hypertextbook.com

Informations Techniques

Performance

Sécurité

Vérification SEO Rapide

Technologies Détectées

En-têtes HTTP

Balises Meta

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DNS

Whois

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