Sheldonbrown.com Sheldon Brown-Bicycle Technical Information

A go-to source of information about bicycle maintenance, repair and customization

Sheldonbrown.com Overview

out of 100, User Experience 97 out of 100.

Sheldonbrown.com is a website that provides comprehensive information about bicycle maintenance, repair, and customization. The name of the website is derived from its creator, Sheldon Brown, who was a bicycle mechanic and technical expert. The website is a valuable resource for cyclists who want to learn about the technical aspects of bicycles, including how to diagnose and fix common problems. The website provides detailed information about bicycle parts and systems, as well as tutorials on how to perform maintenance and repairs on bikes.

The title of the website accurately reflects its purpose – to provide technical information about bicycles. The website's description is also precise and indicates that it is a go-to source for information about bicycle maintenance, repair, and customization. The website's value of 183,960 US dollars is indicative of the amount of traffic the site generates. With 4999 unique users per day and 10,497.9 pageviews, it is evident that the website is well-liked in the cycling community.

The website is hosted by Amazon.com, which is a reliable hosting provider, and the website uses SSL encryption, which ensures that user data is secure. Let's Encrypt is a trusted SSL issuer, and its certification indicates that the website is trustworthy. The fact that the website has a SSL certificate and that it is hosted by a reputable provider is good news for users who value their privacy and security.

Sheldonbrown.com is family-friendly as it focuses on providing technical information about bicycles and does not contain any content that is inappropriate for children. Parents can feel confident that their children can use the website to learn about bicycles without being exposed to any harmful material.

Finally, regarding the website's PageSpeed Insights scores, the speed score of 70 out of 100 is relatively good, but there is room for improvement. The user experience score of 97 out of 100 is excellent, indicating that users find the website easy to use and navigate. Overall, the website is a useful resource for cyclists and has a well-structured design, which allows users to find the information they need.

Sheldonbrown.com Rank Summary

Global Rank

64,891

Average Load Time

0.89sec

Links In Count

2,645

Website Value

$183,960

Audience Geography. Where are sheldonbrown.com visitors located?

Country	Visitors
United States US	55.6%
United Kingdom GB	9.6%
Australia AU	4.7%
Canada CA	4%
Poland PL	2.5%
Germany DE	2.4%
India IN	2.1%
Norway NO	1.5%
Denmark DK	0.9%
Other	16.6%

Country	Pageviews
United States US	56.4%
United Kingdom GB	6.5%
Canada CA	5.1%
Australia AU	4.2%
Poland PL	3.2%
Germany DE	1.8%
India IN	1.7%
Norway NO	1.3%
Philippines PH	0.8%
Other	19%

Country	Rank
Norway NO	16858
Australia AU	19150
United States US	21931
United Kingdom GB	24839
Denmark DK	24896
Philippines PH	24905
Canada CA	26721
Poland PL	28818
Indonesia ID	84726
Germany DE	92328
India IN	123222

Where do visitors go on sheldonbrown.com?

Subdomain	Pageviews
sheldonbrown.com	100%

Subdomain	Pageviews per User
sheldonbrown.com	2

Subdomain	Reach
sheldonbrown.com	100%

How popular is sheldonbrown.com?

Period	Global Rank	Global Rank Delta
past 3 months	64891	-89
past month	73178	11168
past week	70535	-3559
yesterday	50071	-18290

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	85095	-6425	67	11%	2.1	19%
30	96233	7816	58	-9.952%	2	10%
7	85729	-16246	68	20%	2.4	30%
1	62704	14577	11	-21.37%	2.5	-54.919%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	61023	2626	12	-6.604%
30	69025	13087	10	-21.03%
7	70013	1169	10	-2.3%
1	50826	-36830	16	70%

Sheldonbrown.com Website Safety

Overview

Last Updated: 05/17/2025

Overall result - sheldonbrown.com is safe.

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

Last Updated: 03/22/2025

sheldonbrown.com is safe.

Norton ConnectSafe evaluates sheldonbrown.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/17/2016

sheldonbrown.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

sheldonbrown.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

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

Site Advisor

Last Updated: 02/22/2021

sheldonbrown.com is safe.

McAfee assesses sheldonbrown.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 sheldonbrown.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 01/09/2019

sheldonbrown.com child safety is very good.

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

SSL Information

SSL Checker Tool

Domain	www.sheldonbrown.com
Issuer Organization	cPanel, LLC
Issuer	cPanel ECC Domain Validation Secure Server CA 3
Algorithm	ecdsa-with-SHA256
Valid form	10/02/2024
Expiration	12/31/2024
Signed	Certificate is not self signed
Additional Domains	www.sheldonbrown.com sheldonbrown.com

Sheldonbrown.com Rank History

Alexa Rank shows how popular sheldonbrown.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If sheldonbrown.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to sheldonbrown.com and pageviews on sheldonbrown.com over the past 3 months.

Sheldonbrown.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 13438

ASN Title: VIVIO-TECHNOLOGIES - Vivio Technologies, US

Last Update: 04/12/2025

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 13438
ASName: VIVIO-TECHNOLOGIES
ASHandle: AS13438
RegDate: 2005-07-01
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/13438

OrgName: Vivio Technologies
OrgId: VIVIO
Address: POB 345
City: Walla Walla
StateProv: WA
PostalCode: 99362
Country: US
RegDate: 2005-06-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/VIVIO

ReferralServer: rwhois://rwhois.viviotech.net:4321

OrgTechHandle: MKE36-ARIN
OrgTechName: Keymer, Mark
OrgTechPhone: +1-509-593-4207
OrgTechEmail: mark@viviotech.net
OrgTechRef: https://rdap.arin.net/registry/entity/MKE36-ARIN

OrgNOCHandle: VIVIO-ARIN
OrgNOCName: VivioTech NOC
OrgNOCPhone: +1-509-593-4207
OrgNOCEmail: support@viviotech.net
OrgNOCRef: https://rdap.arin.net/registry/entity/VIVIO-ARIN

OrgAbuseHandle: VTA11-ARIN
OrgAbuseName: Vivio Tech Abuse
OrgAbusePhone: +1-509-593-4207
OrgAbuseEmail: abuse@viviotech.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/VTA11-ARIN

RTechHandle: VIVIO-ARIN
RTechName: VivioTech NOC
RTechPhone: +1-509-593-4207
RTechEmail: support@viviotech.net
RTechRef: https://rdap.arin.net/registry/entity/VIVIO-ARIN

RNOCHandle: VIVIO-ARIN
RNOCName: VivioTech NOC
RNOCPhone: +1-509-593-4207
RNOCEmail: support@viviotech.net
RNOCRef: https://rdap.arin.net/registry/entity/VIVIO-ARIN

RAbuseHandle: VTA11-ARIN
RAbuseName: Vivio Tech Abuse
RAbusePhone: +1-509-593-4207
RAbuseEmail: abuse@viviotech.net
RAbuseRef: https://rdap.arin.net/registry/entity/VTA11-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

%rwhois V-1.5:003eff:00 rwhois.viviotech.net (by Network Solutions, Inc. V-1.5.9.5)
%error 230 No Objects Found

Sheldonbrown.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: SHELDONBROWN.COM
Registry Domain ID: 3423241_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2024-11-02T06:20:58Z
Creation Date: 1996-01-02T05:00:00Z
Registry Expiry Date: 2028-01-01T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.NETCETRA.COM
Name Server: NS2.NETCETRA.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-01-26T01:36:56Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
sheldonbrown.com	54.153.63.33	60

Host	MX Record	Priority	TTL
sheldonbrown.com	sheldonbrown.com.inbound15.mxlogic.net	15	500
sheldonbrown.com	sheldonbrown.com.inbound15.mxlogicmx.net	15	500

Host	NS Record	TTL
sheldonbrown.com	ns-1425.awsdns-50.org	172800
sheldonbrown.com	ns-1886.awsdns-43.co.uk	172800
sheldonbrown.com	ns-688.awsdns-22.net	172800
sheldonbrown.com	ns-97.awsdns-12.com	172800

Host	TXT Record	TTL
sheldonbrown.com	_globalsign-domain-verification=OWtE4mCoMeDvTLP2sxIBf6W6oyRA74opESbsfQAjoA	90

ns-97.awsdns-12.com
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Sheldonbrown.com HTML Check

HTML Validation Tool

Errors

Element “script” must not have attribute “async” unless attribute “src” is also specified or unless attribute “type” is specified with value “module”.

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

No space between attributes.

Warnings

The “type” attribute is unnecessary for JavaScript resources.

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

Sheldonbrown.com Desktop Performance

Last tested: 08/25/2016

Desktop Speed

80%

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

Leverage browser caching

Prioritize visible content

Enable compression

Optimize images

Reduce server response time

Minify HTML

Desktop Resource Breakdown

Total Resources	82
Number of Hosts	25
Static Resources	53
JavaScript Resources	34
CSS Resources	6

Sheldonbrown.com Mobile Insights

Last tested: 12/09/2019

Mobile Usability

83%

Size tap targets appropriately

Configure the viewport

Mobile Speed

70%

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

Leverage browser caching

Reduce server response time

Optimize images

Minify JavaScript

Enable compression

Mobile Resource Breakdown

Total Resources	66
Number of Hosts	17
Static Resources	47
JavaScript Resources	28
CSS Resources	5

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Sheldonbrown.com Sheldon Brown-Bicycle Technical Information

A go-to source of information about bicycle maintenance, repair and customization

Sheldonbrown.com Overview

Sheldonbrown.com Rank Summary

Sheldonbrown.com Website Safety

Sheldonbrown.com Rank History

Sheldonbrown.com Hosting Information

Sheldonbrown.com Domain Registration and Settings

Sheldonbrown.com HTML Check

Sheldonbrown.com Desktop Performance

Sheldonbrown.com Mobile Insights

Sheldonbrown.com Similar Audits

Sheldonbrown.com Common Typos