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Theopennotebook.com Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.19 sec.

Last Checked: 08/24/2025

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Theopennotebook.com traffic estimate is about 7,904 unique visitors and 31,616 pageviews per day. The approximated value of theopennotebook.com is 48,060 USD. Every unique visitor makes about 4 pageviews on average.

Alexa Traffic Rank estimates that theopennotebook.com is ranked number 59,314 in the world.

Theopennotebook.com server is located in -, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time. See the list of other websites hosted by AUTOMATTIC - Automattic, Inc, US.

Theopennotebook.com is registered under .COM top-level domain. Check other websites in .COM zone.

During the last check (July 20, 2024) theopennotebook.com has an expired SSL certificate issued by Let's Encrypt (expired on August 18, 2024), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing and Symantec theopennotebook.com is pretty a safe domain.

Relying on Google Mobile-Friendly test theopennotebook.com is well optimized for mobile and tablet devices, however website page loading time may be improved.

Theopennotebook.com General Information

Theopennotebook.com Audience Geography

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Theopennotebook.com Traffic Distribution

Where do visitors go on theopennotebook.com?

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Theopennotebook.com Popularity

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Theopennotebook.com Safety Information

Rankchart Summary

Unknown

Updated: 08/24/2025

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 02/04/2025

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Unknown

Updated: 08/24/2025

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 01/04/2021

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McAfee assesses theopennotebook.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze theopennotebook.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 08/24/2025

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The WOT calculates reputation of the theopennotebook.com. This reputation system receives ratings from users and information from third-party sources, assesses the theopennotebook.com for safety features and confirms, whether theopennotebook.com is suitable for children.

Theopennotebook.com SSL Information

Information about SSL/TLS certificates

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Domain	tls.automattic.com
Issuer Organization	Let's Encrypt
Issuer	R3
Algorithm	RSA-SHA256
Valid form	05/20/2024
Expiration	08/18/2024
Signed	Certificate is not self signed
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SSL Checker

Theopennotebook.com Server Information

Theopennotebook.com Server Location

Where website hosting server is located?

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Theopennotebook.com ASN Information

Information about IP address owner

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ASN ID: 2635

ASN Title: AUTOMATTIC - Automattic, Inc, US

Updated: 08/22/2025

Raw ASN data:

Geolocation

ASN Lookup

Theopennotebook.com Domain Name Information

Theopennotebook.com DNS Information

Domain name service records

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Host	A Record	TTL
theopennotebook.com	199.16.173.140	1799
theopennotebook.com	199.16.172.241	1799

Host	MX Record	Priority	TTL
theopennotebook.com	eforward5.registrar-servers.com	20	1800
theopennotebook.com	eforward4.registrar-servers.com	15	1800
theopennotebook.com	eforward1.registrar-servers.com	10	1800
theopennotebook.com	eforward2.registrar-servers.com	10	1800
theopennotebook.com	eforward3.registrar-servers.com	10	1800

Host	NS Record	TTL
theopennotebook.com	dns1.registrar-servers.com	1800
theopennotebook.com	dns2.registrar-servers.com	1800

Host	TXT Record	TTL
theopennotebook.com	v=spf1 include:_spf.google.com include:spf.efwd.registrar-servers.com ~all	1800

Theopennotebook.com Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Theopennotebook.com HTML Validation

Theopennotebook.com W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Bad value “https://fonts.googleapis.com/css?family=Tinos:400,700|Merriweather:400,700” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

Bad value “external,nofollow” for attribute “rel” on element “a”: The string “external,nofollow” is not a registered keyword.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

End tag “span” seen, but there were open elements.

Unclosed element “a”.

No “a” element in scope but a “a” end tag seen.

Stray end tag “span”.

Duplicate ID “mc_embed_signup”.

Duplicate ID “mc-embedded-subscribe-form”.

Duplicate ID “mc_embed_signup_scroll”.

Duplicate ID “mce-EMAIL”.

Duplicate ID “mce-responses”.

Duplicate ID “mce-error-response”.

Duplicate ID “mce-success-response”.

Duplicate ID “mc-embedded-subscribe”.

Warnings:

Empty heading.

The first occurrence of ID “mc_embed_signup” was here.

The first occurrence of ID “mc-embedded-subscribe-form” was here.

The first occurrence of ID “mc_embed_signup_scroll” was here.

The first occurrence of ID “mce-EMAIL” was here.

The first occurrence of ID “mce-responses” was here.

The first occurrence of ID “mce-error-response” was here.

The first occurrence of ID “mce-success-response” was here.

The first occurrence of ID “mc-embedded-subscribe” was here.

HTML Validator

Theopennotebook.com Desktop Performance

How Well Theopennotebook.com Performs On Desktops?

Website desktop performance and usability tips

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Speed

43%

Optimize images

Enable compression

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Reduce server response time

Prioritize visible content

Minify HTML

Updated: 02/06/2018

Theopennotebook.com Mobile Performance

How Optimized Is Theopennotebook.com for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

99%

Size tap targets appropriately

Updated: 01/20/2018

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Total Resources	124
Number of Hosts	14
Static Resources	112
JavaScript Resources	10
CSS Resources	5

CSS	176.8 KBytes
Images	2.1 MBytes
HTML	119.0 KBytes
JavaScript	500.3 KBytes
Other	43.3 KBytes

Total Resources	195
Number of Hosts	14
Static Resources	184
JavaScript Resources	10
CSS Resources	5

CSS	177.1 KBytes
Images	6.8 MBytes
HTML	120.7 KBytes
JavaScript	508.7 KBytes
Other	15.7 KBytes