Sperdirect.com Sper Scientific Instruments | Environmental Measurement Instruments – Sper Scientific Direct

Sper Scientific Instruments for OSHA, EPA & FDA compliance | Air + Water Quality, IR thermometers, IAQ, Heat Stress, Light Meters, Sound Meters, EMF, ...

Sperdirect.com Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 04/04/2025

Sperdirect.com traffic estimate is about 197 unique visitors and 512 pageviews per day. The approximated value of sperdirect.com is 5,840 USD. Every unique visitor makes about 2.6 pageviews on average.

Alexa Traffic Rank estimates that sperdirect.com is ranked number 58,027 in the world, while most of its traffic comes from Viet Nam, where it occupies as high as 23,221 place.

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

During the last check (June 01, 2021) sperdirect.com has an expired SSL certificate issued by Let's Encrypt (expired on July 10, 2021), 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, Google Safe Search, Symantec and Web of Trust sperdirect.com is pretty a safe domain.

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

Sperdirect.com General Information

Sperdirect.com Audience Geography

Where are website visitors coming from?

Country Visitors
Viet Nam Viet Nam VN50.5%
Other49.5%

Sperdirect.com Traffic Distribution

Where do visitors go on sperdirect.com?

SubdomainPageviews
sperdirect.com86.11%
search.sperdirect.com13.89%

Sperdirect.com Popularity

How popular is sperdirect.com?

PeriodGlobal RankGlobal Rank Delta
past 3 months130237688355
past month1300873-325258
past week2310930-138746

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Sperdirect.com Safety Information

Rankchart Summary

Safe

Updated: 04/04/2025

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: 02/10/2025

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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

Safe

Updated: 08/16/2017

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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: 03/11/2021

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

Web of Trust

Child safety is very good

Updated: 01/13/2019

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

Sperdirect.com SSL Information

Information about SSL/TLS certificates

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Domainsperdirect.com
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form04/11/2021
Expiration07/10/2021
SignedCertificate is not self signed
Additional Domainssperdirect.com

Sperdirect.com Server Information

Sperdirect.com Server Location

Where website hosting server is located?

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Sperdirect.com ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 01/10/2025

Sperdirect.com Domain Name Information

Sperdirect.com DNS Information

Domain name service records

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HostA RecordTTL

Sperdirect.com Whois Information

Information about registered users or assignees of an Internet resource

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Sperdirect.com HTML Validation

Sperdirect.com W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:
Warnings:

Sperdirect.com Desktop Performance

How Well Sperdirect.com Performs On Desktops?

Website desktop performance and usability tips

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Speed

48%

48%


Updated: 03/06/2018

Sperdirect.com Mobile Performance

How Optimized Is Sperdirect.com for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

99%

99%


Updated: 03/06/2018

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