Sitespeed.io Welcome to the wonderful world of Web Performance

Sitespeed.io is an open source tool that helps you analyse and optimise your website speed and performance, based on performance best practices.


Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 08/17/2025

Sitespeed.io traffic volume is 540 unique daily visitors and their 1,081 pageviews. The web value rate of sitespeed.io is 9,373 USD. Each visitor makes around 2.14 page views on average.

By Alexa's traffic estimates sitespeed.io placed at 18,461 position over the world.

Sitespeed.io registered under .IO top-level domain. Check other websites in .IO zone.

The last verification results, performed on (May 10, 2023) sitespeed.io show that sitespeed.io has an expired SSL certificate issued by Let's Encrypt (expired on July 05, 2023). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search and Symantec sitespeed.io is pretty a safe domain.

Relying Google MobileFriendly test sitespeed.io is well optimized for mobile and tablet devices.


Global Rank
670,719
Average Load Time
1.05sec
Links In Count
78
Website Value
$8,760

Overview
Last Updated: 08/17/2025
Overall result - sitespeed.io 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: 03/29/2025
sitespeed.io is safe.
Norton ConnectSafe evaluates sitespeed.io for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 12/03/2016
sitespeed.io 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
sitespeed.io 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: 02/28/2021
sitespeed.io is safe.
McAfee assesses sitespeed.io 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 sitespeed.io for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 08/17/2025
sitespeed.io child safety is unknown.
The WOT calculates reputation of the sitespeed.io. This reputation system receives ratings from users and information from third-party sources, assesses the sitespeed.io for safety features and confirms, whether sitespeed.io is suitable for children.

SSL Information
Domainsitespeed.io
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form04/06/2023
Expiration07/05/2023
SignedCertificate is not self signed
Additional Domains sitespeed.io
www.sitespeed.io
Server Location

ASN Information

ASN ID: 5517
ASN Title: CSL Computer Service Langenbach GmbH

Last Update: 04/22/2025

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS5377 - AS5535'

as-block: AS5377 - AS5535
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2010-05-11T11:44:34Z
last-modified: 2014-02-24T13:15:16Z
source: RIPE

% Information related to 'AS5517'

% Abuse contact for 'AS5517' is 'abuse@nrw.net'

aut-num: AS5517
org: ORG-cA14-RIPE
as-name: CSL
import: from AS286 accept ANY
import: from AS8220 accept ANY
import: from AS20676 accept ANY
import: from AS6939 accept ANY
import: from AS35652 accept AS35652
export: to AS286 announce AS5517 AND AS35652
export: to AS8220 announce AS5517 AND AS35652
export: to AS20676 announce AS5517 AND AS35652
export: to AS6939 announce AS5517
export: to AS35652 announce ANY
admin-c: CSL6-RIPE
tech-c: CSL6-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: CSL-MNT
mnt-routes: WESTEND-MNT {194.140.239.0/24}
mnt-routes: CSL-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2017-11-15T09:13:26Z
source: RIPE

organisation: ORG-cA14-RIPE
org-name: CSL Computer Service Langenbach GmbH
org-type: LIR
address: Hansaallee 191-193
address: D-40549
address: Duesseldorf
address: GERMANY
phone: +49 211 86767 0
fax-no: +49 211 86767 10
admin-c: CSL5-RIPE
admin-c: CSL6-RIPE
mnt-ref: CSL-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CSL-MNT
abuse-c: CSL6-RIPE
created: 2004-04-17T11:06:22Z
last-modified: 2018-03-16T14:51:30Z
source: RIPE # Filtered

role: CSL Computer Service Langenbach GmbH
address: Hansaallee 191-193 D-40549 Duesseldorf Germany
admin-c: CSL251-RIPE
tech-c: CSL251-RIPE
tech-c: CSL2101
abuse-mailbox: abuse@nrw.net
nic-hdl: CSL6-RIPE
created: 2006-01-26T14:49:18Z
last-modified: 2013-04-15T11:31:00Z
source: RIPE # Filtered
mnt-by: CSL-MNT

% This query was served by the RIPE Database Query Service version 1.91.2 (WAGYU)

WHOIS

Domain Name: sitespeed.io
Registry Domain ID: 43de65f53ed84219acf573f20bcab9ab-DONUTS
Registrar WHOIS Server: whois.joker.com
Registrar URL: http://joker.com
Updated Date: 2024-02-12T13:33:33Z
Creation Date: 2012-04-25T05:34:07Z
Registry Expiry Date: 2025-04-25T05:34:07Z
Registrar: CSL Computer Service Langenbach GmbH d/b/a Joker.com
Registrar IANA ID: 113
Registrar Abuse Contact Email: abuse@joker.com
Registrar Abuse Contact Phone:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization:
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province:
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: DE
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: x.ns.joker.com
Name Server: y.ns.joker.com
Name Server: z.ns.joker.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-19T00:10:43Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors

Last tested: 06/23/2019

Desktop
Desktop Speed
88%

Desktop Resource Breakdown
Total Resources14
Number of Hosts2
Static Resources11
JavaScript Resources2
CSS Resources1

Last tested: 11/09/2018

Mobile
Mobile Usability
97%
Mobile Speed
73%

Mobile Resource Breakdown
Total Resources10
Number of Hosts2
Static Resources7
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