Protoexpress.com PCB Fabrication, Assembly, and Components | Sierra Circuits

Since 1986, Sierra Circuits has been an industry leader in PCB prototype manufacturing, optimization, and assembly.

Protoexpress.com Overview

Protoexpress.com ranking shows that the page is at position 469,885 over the world, while the bulk of its audience is from United States, where it ranks 244,353.

It is beneficial to protoexpress.com that their hosting company COGENT-174 - Cogent Communications, US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on COGENT-174 - Cogent Communications, US servers.

In terms of rank-to-traffic ratio, protoexpress.com has 612 unique users per day, viewing 1,545 pages. The rank based value of protoexpress.com is 18,941 USD. Every user makes 2.68 pageviews on average.

Protoexpress.com boasts a link base consisting of 429 referring domains and 486 external backlinks, as revealed by the data obtained from web network scanning.

Protoexpress.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in August 05, 2024, protoexpress.com has a valid and up-to-date SSL certificate issued by DigiCert Inc , certificate expiration date: April 12, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by DigiCert Inc.

Based on data from Google Safe Browsing, Google Safe Search and Symantec protoexpress.com is a fairly safe domain.

According the Mobile-Friendly test by Google protoexpress.com is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Protoexpress.com Rank Summary

Global Rank

469,885

Average Load Time

1.45sec

Links In Count

Website Value

$17,538

Audience Geography. Where are protoexpress.com visitors located?

Country	Visitors
United States US	39.2%
Other	60.6%

Country	Pageviews
United States US	28.6%
Other	71.4%

Country	Rank
United States US	244353

Where do visitors go on protoexpress.com?

Subdomain	Pageviews
protoexpress.com	100%

Subdomain	Pageviews per User
protoexpress.com	2

Subdomain	Reach
protoexpress.com	100%

How popular is protoexpress.com?

Period	Global Rank	Global Rank Delta
past 3 months	469885	336588
past month	512093	-95982

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	524839	470926	7	-94.663%	2.5	-82.268%
30	669423	-120062	5	40%	2	6%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	477396	288369	98	-69.908%
30	473679	-79881	11	30%

Protoexpress.com Website Safety

Overview

Last Updated: 12/26/2024

Overall result - protoexpress.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: 02/08/2024

protoexpress.com is safe.

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

Google Safe Search

Last Updated: 02/16/2017

protoexpress.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

protoexpress.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: 01/30/2021

protoexpress.com is safe.

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

Web of Trust

Last Updated: 12/26/2024

protoexpress.com child safety is unknown.

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

SSL Information

SSL Checker Tool

Domain	www.protoexpress.com
Issuer Organization	DigiCert Inc
Issuer	DigiCert Global G2 TLS RSA SHA256 2020 CA1
Algorithm	RSA-SHA256
Valid form	03/12/2024
Expiration	04/12/2025
Signed	Certificate is not self signed
Additional Domains	www.protoexpress.com protoexpress.com

Protoexpress.com Rank History

Alexa Rank shows how popular protoexpress.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If protoexpress.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 protoexpress.com and pageviews on protoexpress.com over the past 3 months.

Protoexpress.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 174

ASN Title: COGENT-174 - Cogent Communications, US

Last Update: 12/22/2024

#
# 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: 174
ASName: COGENT-174
ASHandle: AS174
RegDate: 1996-05-15
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/174

OrgName: Cogent Communications
OrgId: COGC
Address: 2450 N Street NW
City: Washington
StateProv: DC
PostalCode: 20037
Country: US
RegDate: 2000-05-29
Updated: 2017-08-17
Ref: https://rdap.arin.net/registry/entity/COGC

ReferralServer: rwhois://rwhois.cogentco.com:4321

OrgNOCHandle: ZC108-ARIN
OrgNOCName: Cogent Communications
OrgNOCPhone: +1-877-875-4311
OrgNOCEmail: noc@cogentco.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN

OrgAbuseHandle: COGEN-ARIN
OrgAbuseName: Cogent Abuse
OrgAbusePhone: +1-877-875-4311
OrgAbuseEmail: abuse@cogentco.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN

OrgTechHandle: IPALL-ARIN
OrgTechName: IP Allocation
OrgTechPhone: +1-877-875-4311
OrgTechEmail: ipalloc@cogentco.com
OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-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-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 0.0.0)
%error 230 No objects found

Protoexpress.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: PROTOEXPRESS.COM
Registry Domain ID: 709713_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2018-07-06T11:50:33Z
Creation Date: 1997-07-07T04:00:00Z
Registry Expiry Date: 2028-07-06T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1-AUTH.SPRINTLINK.NET
Name Server: NS3-AUTH.SPRINTLINK.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-03-19T00:05:40Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
protoexpress.com	207.15.6.10	43200

Host	MX Record	Priority	TTL
protoexpress.com	d259874b.ess.barracudanetworks.com	20	43200
protoexpress.com	d259874a.ess.barracudanetworks.com	10	43200

Host	NS Record	TTL
protoexpress.com	auth1.dns.cogentco.com	43200
protoexpress.com	auth2.dns.cogentco.com	43200

Host	TXT Record	TTL
protoexpress.com	zk/seV8MgAjnxhtZw0C3FFCso0ORfWU/jaD+Hf1qXG9LFzd/k7m0aeQaMF2MJ8/7Qj2tzModm8wfIaNPCOHIdg==	43200
protoexpress.com	apple-domain-verification=MAHBhRecqNsmaixR	43200
protoexpress.com	knowbe4-site-verification=e405a9a2f744671f662c8133af8db146	43200
protoexpress.com	v=spf1 ip4:207.15.6.50 ip4:207.15.6.51 include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:mktomail.com -all	43200

auth1.dns.cogentco.com
TTL: 43200
Email address: dns.cogentco.com
Serial: 2024111918
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 43200

Protoexpress.com HTML Check

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Bad value “text/html; charset=iso-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

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

Bad value “https://www.protoexpress.com/css/css.css?q=Mon May 21 15:34:33 PDT 2018” for attribute “href” on element “link”: Illegal character in query: space is not allowed.

Bad value “https://www.protoexpress.com/css/layout.css?q=Mon May 21 15:34:33 PDT 2018” for attribute “href” on element “link”: Illegal character in query: space is not allowed.

Bad value “https://www.protoexpress.com/css/pro_dropdown_2.css?q=Mon May 21 15:34:33 PDT 2018” for attribute “href” on element “link”: Illegal character in query: space is not allowed.

Bad start tag in “img” in “head”.

Bad value “https://www.facebook.com/tr?id=1329067617116949&ev=PageView &noscript=1” for attribute “src” on element “img”: Tab, new line or carriage return found.

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

Stray end tag “noscript”.

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

Stray end tag “head”.

Start tag “body” seen but an element of the same type was already open.

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

The “color” attribute on the “hr” element is obsolete. Use CSS instead.

Duplicate ID “mainmenu_link”.

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Attribute “"” not allowed on element “a” at this point.

Duplicate ID “left-side-cont”.

Duplicate ID “div-gated-btn”.

Duplicate ID “right-side-cont”.

Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.

Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.

Attribute “oallowfullscreen” not allowed on element “iframe” at this point.

Attribute “msallowfullscreen” not allowed on element “iframe” at this point.

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

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

Bad value “235px” for attribute “width” on element “iframe”: Expected a digit but saw “p” instead.

Bad value “350px” for attribute “height” on element “iframe”: Expected a digit but saw “p” instead.

Attribute “alt” not allowed on element “a” at this point.

Attribute “autoplay” not allowed on element “iframe” at this point.

Bad value “100%” for attribute “height” on element “iframe”: Expected a digit but saw “%” instead.

Attribute “target” not allowed on element “span” at this point.

Warnings

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

The first occurrence of ID “mainmenu_link” was here.

Attribute “"” is not serializable as XML 1.0.

The first occurrence of ID “left-side-cont” was here.

The first occurrence of ID “div-gated-btn” was here.

The first occurrence of ID “right-side-cont” was here.

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Protoexpress.com Desktop Performance

Last tested: 09/11/2015

Desktop Speed

69%

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

Optimize images

Leverage browser caching

Enable compression

Prioritize visible content

Minify JavaScript

Minify CSS

Minify HTML

Desktop Resource Breakdown

Total Resources	149
Number of Hosts	31
Static Resources	105
JavaScript Resources	37
CSS Resources	12

Protoexpress.com Mobile Insights

Last tested: 06/23/2019

Mobile Usability

96%

Size tap targets appropriately

Mobile Speed

57%

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

Leverage browser caching

Optimize images

Prioritize visible content

Minify JavaScript

Minify HTML

Enable compression

Minify CSS

Mobile Resource Breakdown

Total Resources	185
Number of Hosts	43
Static Resources	59
JavaScript Resources	69
CSS Resources	19

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Protoexpress.com PCB Fabrication, Assembly, and Components | Sierra Circuits

Since 1986, Sierra Circuits has been an industry leader in PCB prototype manufacturing, optimization, and assembly.

Protoexpress.com Overview

Protoexpress.com Rank Summary

Protoexpress.com Website Safety

Protoexpress.com Rank History

Protoexpress.com Hosting Information

Protoexpress.com Domain Registration and Settings

Protoexpress.com HTML Check

Protoexpress.com Desktop Performance

Protoexpress.com Mobile Insights

Protoexpress.com Similar Audits

Protoexpress.com Common Typos