Centennialbulb.org Livermore's Centennial Light Bulb

You have found Livermore California's World famous Centennial Light Bulb! Feel free to read the facts sheet, take a close-up look at bulb photos,...

Centennialbulb.org Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.41 sec.

Last Checked: 05/06/2024

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Centennialbulb.org traffic estimate is about 596 unique visitors and 1,252 pageviews per day. The approximated value of centennialbulb.org is 11,680 USD. Every unique visitor makes about 2.1 pageviews on average.

Alexa Traffic Rank estimates that centennialbulb.org is ranked number 29,737 in the world.

Centennialbulb.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

During the last check (November 21, 2019) centennialbulb.org has an expired SSL certificate issued by GoDaddy.com, Inc. (expired on November 07, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by GoDaddy.com, Inc..

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust centennialbulb.org is pretty a safe domain.

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

Centennialbulb.org General Information

Centennialbulb.org Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

Centennialbulb.org Traffic Distribution

Where do visitors go on centennialbulb.org?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

Centennialbulb.org Popularity

How popular is centennialbulb.org?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	541150	10526
past month	493723	-247133
past week	286313	-780770

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	643538	38531	5	-2.45%	2.1	-6.195%
30	495873	-577579	7	200%	3	100%
7	215581	-837602	2	1000%	5	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	531400	114	88	4%
30	536855	-96573	9	30%
7	373935	-851056	2	300%

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Centennialbulb.org Safety Information

Rankchart Summary

Safe

Updated: 05/06/2024

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: 03/26/2024

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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

Safe

Updated: 03/28/2019

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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: 02/26/2020

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McAfee assesses centennialbulb.org 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 centennialbulb.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/10/2019

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

Centennialbulb.org SSL Information

Information about SSL/TLS certificates

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Domain	centennialbulb.org
Issuer Organization	GoDaddy.com, Inc.
Issuer	Go Daddy Secure Certificate Authority - G2
Algorithm	RSA-SHA256
Valid form	11/07/2018
Expiration	11/07/2020
Signed	Certificate is not self signed
Additional Domains	centennialbulb.org www.centennialbulb.org

SSL Checker

Centennialbulb.org Server Information

Centennialbulb.org Server Location

Where website hosting server is located?

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Centennialbulb.org ASN Information

Information about IP address owner

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ASN ID: 398101

ASN Title: GO-DADDY-COM-LLC, US

Updated: 01/09/2024

Raw ASN data:

Geolocation

ASN Lookup

Centennialbulb.org Domain Name Information

Centennialbulb.org DNS Information

Domain name service records

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A

Host	A Record	TTL

Centennialbulb.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Centennialbulb.org HTML Validation

Centennialbulb.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Quirky doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “windows-1250” disagrees with the actual encoding of the document (“utf-8”).

A document must not include more than one “meta” element with a “http-equiv” attribute whose value is “content-type”.

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

The “background” attribute on the “body” element is obsolete. Use CSS instead.

The “center” element is obsolete. Use CSS instead.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

The “border” attribute on the “table” element is obsolete. Use CSS instead.

The “align” attribute on the “caption” element is obsolete. Use CSS instead.

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

Attribute “background” not allowed on element “td” at this point.

The “width” attribute on the “td” element is obsolete. Use CSS instead.

Element “center” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

Element “p” not allowed as child of element “h1” in this context. (Suppressing further errors from this subtree.)

The “align” attribute on the “img” element is obsolete. Use CSS instead.

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

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

Unclosed element “h1”.

Stray end tag “h1”.

The “bgcolor” attribute on the “td” element is obsolete. Use CSS instead.

The “font” element is obsolete. Use CSS instead.

Bad value “http://www.livermorehistory.com%0A/” for attribute “href” on element “a”: Invalid host: Illegal character in domain: line break is not allowed.

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Attribute “height” not allowed on element “table” at this point.

Element “center” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Attribute “naturalsizeflag” not allowed on element “img” at this point.

Stray end tag “center”.

Stray end tag “h2”.

The “clear” attribute on the “br” element is obsolete. Use CSS instead.

End tag “a” violates nesting rules.

End tag “li” implied, but there were open elements.

Unclosed element “b”.

End tag “b” violates nesting rules.

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

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

Element “p” not allowed as child of element “b” in this context. (Suppressing further errors from this subtree.)

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

Cannot recover after last error. Any further errors will be ignored.

Warnings:

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

The “language” attribute on the “script” element is obsolete. You can safely omit it.

HTML Validator

Centennialbulb.org Desktop Performance

How Well Centennialbulb.org Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

62%

Optimize images

Leverage browser caching

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

Minify HTML

Minify CSS

Minify JavaScript

Updated: 08/12/2019

Centennialbulb.org Mobile Performance

How Optimized Is Centennialbulb.org for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

67%

Use legible font sizes

Configure the viewport

Size tap targets appropriately

Updated: 01/27/2018

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Estimated Nearest Competitors Of Centennialbulb.org

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Total Resources	33
Number of Hosts	4
Static Resources	30
JavaScript Resources	5
CSS Resources	3

CSS	24.8 KBytes
Images	748.9 KBytes
HTML	35.6 KBytes
JavaScript	250.2 KBytes

Total Resources	35
Number of Hosts	4
Static Resources	33
JavaScript Resources	5
CSS Resources	3

CSS	24.7 KBytes
Images	804.6 KBytes
HTML	32.0 KBytes
JavaScript	247.3 KBytes