isprof.cz Isprof.cz

   
ISPROF - Informační systém pro firmy | Webové stránky a aplikace

Domain Summary

What IP addresses does Isprof.cz resolve to?

• Isprof.cz resolves to the IP addresses 185.158.133.1.

Where are Isprof.cz servers located in?

• Isprof.cz has servers located in Frankfurt am Main, Hesse, 60313, Germany.

isprof.cz Profile

Title:ISPROF - Informační systém pro firmy | Webové stránky a aplikace Description:ISPROF - Specializujeme se na vývoj moderních webových stránek, mobilních aplikací a informačních systémů pro firmy. Profesionální IT řešení na míru.
Tags:
it řešení
informační systémy
mobilní aplikace
isprof
webové stránky
vývoj aplikací
Edit Site Info

What technologies does isprof.cz use?

These are the technologies used at isprof.cz. isprof.cz has a total of 4 technologies installed in 3 different categories.
CDN
CloudFlare CloudFlare
Security
Cloudflare Bot Management Cloudflare Bot Management
HSTS HSTS
Miscellaneous
Open Graph Open Graph

isprof.cz Traffic Analysis

There's no enough data about isprof.cz traffic.
Daily Visitors n/a
Monthly Visits n/a
Pages per Visit n/a
Visit duration n/a
Bounce Rate n/a
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
 n/a
Monthly Visits:
n/a
Pages per Visit:
n/a
Daily Pageviews:
n/a
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
 n/a
HypeRank:
n/a
*All traffic values are estimates only.

  ▼

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  isprof.cz
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
Full SEMrush Report >>
Last update was 44 mins ago
     
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*HypeStat.com is not promoting or affiliated with isprof.cz in any way. Only publicly available statistics data are displayed.

Ad Experience Report ▼

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
isprof.cz
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
isprof.cz
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.
Root domain:
isprof.cz
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is isprof.cz hosted? ▼

Isprof.cz may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
185.158.133.1
ASN:
AS13335 
ISP:
Cloudflare Inc 
Server Location:
Frankfurt am Main
Hesse, HE
60313
Germany, DE
 

Other sites hosted on 185.158.133.1

How fast does isprof.cz load? ▼

The average loading time of isprof.cz is 119 ms. The Desktop speed index is 95 and mobile speed index is 73.
Average Load Time:
119 ms

Page Speed (Google PageSpeed Insights) - Desktop

95
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)0 0% of loads for this page have a fast (<0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>0ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0ms) Largest Contentful Paint (LCP) 0%

Origin Data

All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)0 0% of loads for this page have a fast (<0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>0ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0ms ~ 0ms) Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0ms) Largest Contentful Paint (LCP) 0%

Lab Data

Total Blocking Time 0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
Time to Interactive 1.5 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Speed Index 0.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
LCP request discovery  
by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading Optimize LCP
First Contentful Paint 0.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Max Potential First Input Delay 50 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Largest Contentful Paint 1.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
INP breakdown  
Start investigating by looking at the longest subpart. how to improve INP

Page Speed (Google PageSpeed Insights) - Mobile

73
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)0 0% of loads for this page have a fast (<0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have an average (0s ~ 0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0s) Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0s ~ 0s) Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0s) Largest Contentful Paint (LCP) 0%

Origin Data

All pages served from this origin have an speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)0 0% of loads for this page have a fast (<0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have an average (0s ~ 0s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)0 0% of loads for this page have a fast (<0s) Time To First Byte (TTFB) 0% 0% of loads for this page have an average (0s ~ 0s) Time To First Byte (TTFB) 0% 0% of loads for this page have a slow (>0s) Time To First Byte (TTFB) 0%
First Contentful Paint (FCP)0 0% of loads for this page have a fast (<0s) First Contentful Paint (FCP) 0% 0% of loads for this page have an average (0s ~ 0s) First Contentful Paint (FCP) 0% 0% of loads for this page have a slow (>0s) First Contentful Paint (FCP) 0%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)0 0% of loads for this page have a fast (<0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have an average (0s ~ 0s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)0 0% of loads for this page have a fast (<0s)Largest Contentful Paint (LCP) 0% 0% of loads for this page have an average (0s ~ 0s)Largest Contentful Paint (LCP) 0% 0% of loads for this page have a slow (>0s)Largest Contentful Paint (LCP) 0%

Lab Data

Largest Contentful Paint 8.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Time to Interactive 8.7 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
INP breakdown  
Start investigating by looking at the longest subpart. how to improve INP
LCP request discovery  
by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading Optimize LCP
Max Potential First Input Delay 80 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Total Blocking Time 30 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
First Contentful Paint 1.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Speed Index 3.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric

Does isprof.cz use compression? ▼

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on isprof.cz are reduced by 62%.
isprof.cz use gzip compression.
Original size: 1.92 KB
Compressed size: 740 B
File reduced by: 1.19 KB (62%)

Google Safe Browsing ▼

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites.
Status:
  SAFE

SSL Checker - SSL Certificate Verify ▼

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. isprof.cz supports HTTPS.
 isprof.cz supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: isprof.cz
Organization:
Location:
Issuer: WE1
Valid from: Aug 18 11:50:31 2026 GMT
Valid until: Nov 16 12:50:27 2026 GMT
Authority: CA:FALSE
Keysize:
Common Name: WE1
Organization: Google Trust Services
Location: US
Issuer: GTS Root R4
Valid from: Dec 13 09:00:00 2023 GMT
Valid until: Feb 20 14:00:00 2029 GMT
Authority: CA:TRUE
Keysize:
Common Name: GTS Root R4
Organization: Google Trust Services LLC
Location: US
Issuer: GlobalSign Root CA
Valid from: Nov 15 03:43:21 2023 GMT
Valid until: Jan 28 00:00:42 2028 GMT
Authority: CA:TRUE
Keysize:

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 isprof.cz supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header ▼

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server. 
date: Fri, 18 Sep 2026 23:27:02 GMT
content-type: text/html; charset=utf-8
cache-control: no-cache, must-revalidate, max-age=0
set-cookie: __cf_bm=PfqgkKkc94jXTNfVS6JI49JClcAT55KuBg8ZhhvSmw0-1789774022.2544153-1.0.1.1-Wci9FRVzTxD.rEnoRPwkX8Rf7sffpcTVrzfrWoXLLw6twtw8kBvG7tytF2Hqia_8O4frZozju6CnI5O7yiDMnjVqTEHBAGfUMRS3xkw4ZWmSJSP8j.KJt48joDir5nA_; HttpOnly; SameSite=None; Secure; Path=/; Domain=isprof.cz; Expires=Fri, 18 Sep 2026 23:57:02 GMT
strict-transport-security: max-age=31536000; includeSubDomains
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
content-encoding: gzip
server: cloudflare
cf-ray: a3d41e771cc71da2-FRA

DNS Lookup ▼

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
A 185.158.133.1 1800

Whois Lookup ▼

Domain WHOIS is a public database that provides information about domain names, including registered owners, contact information, domain registrars, registration and expiration dates, name servers, and other relevant information. Domain registration for this website began on August 20, 2025 and will expire on August 20, 2026 if not renewed. This website is now assigned through the registrar INTERNET CZ, a.s.. The WHOIS data for this website's domain was last updated on August 20, 2025.
Domain Created:
2025-08-20
Domain Expires:
2026-08-20
Domain Updated:
2025-08-20
Domain Age:
1 years 30 days
Domain Registrar:
INTERNET CZ, a.s.
Domain Owner:
Marek Milichovský
WhoIs:
 

%  (c) 2006-2021 CZ.NIC, z.s.p.o.
% 
% Intended use of supplied data and information
% 
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
% 
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
% 
% See also a search service at http://www.nic.cz/whois/
% 
% 
% Whoisd Server Version: 3.15.0
% Timestamp: Sat Sep 19 01:27:29 2026

domain:       isprof.cz
registrant:   FORPSI-115-S823810
nsset:        FORPSI
keyset:       ICZ-KS-OWEVBP8R
registrar:    REG-INTERNET-CZ
status:       Expired
registered:   20.08.2025 16:55:09
changed:      20.08.2025 17:00:40
expire:       20.08.2026

contact:      FORPSI-115-S823810
org:          Marek Milichovský
name:         Marek Milichovský
address:      Sokolská 872
address:      Rychnov u Jablonce nad Nisou
address:      46802
address:      CZ
registrar:    REG-INTERNET-CZ
created:      20.08.2025 16:55:07

nsset:        FORPSI
nserver:      ns.forpsi.net 
nserver:      ns.forpsi.cz (81.2.209.185, 2001:15e8:201:1::d1b9)
nserver:      ns.forpsi.it 
tech-c:       FORPSI
registrar:    REG-INTERNET-CZ
created:      01.10.2007 10:19:47
changed:      11.12.2024 14:34:26

contact:      FORPSI
org:          INTERNET CZ, a.s.
name:         Stefano Cecconi
address:      Ktiš 2
address:      Ktiš
address:      38403
address:      CZ
registrar:    REG-INTERNET-CZ
created:      04.08.2008 14:42:08
changed:      15.05.2018 21:32:00

keyset:       ICZ-KS-OWEVBP8R
dnskey:       257 3 8 AwEAAbOIULyLEFEWri3goTpjUW6OPTJYYm7jdqZC/gsea0LWD8RPnM/r3SkLmX9ttNzovyfqoM0KV9Q9n+SdGkLlr8WTHKJXREPKFrFNox/ZdlZI1z6Oqq/vO4i5jHm0XVl9l6JCpA+MnjTPQlnE4RK2hPJ1Zd3jyJHncor124Y3gpbXpYZSBwFucL1Jjt69w5v51Dd6SvekAVlBJ4YielcPtefSH6y4Qpth2nURkNQaaa1sDVlwEa/dCUVu4vSRTeu5FchaehtWWIdLzcVO4Nt2BN2Wt8q0HB4TNUSGpa2255KMu1oJvootiLM0eHsxPk1tzFTcGanfGG+LAgcYFnaskbs=
tech-c:       INTERNET-CZ-KEYSET
registrar:    REG-INTERNET-CZ
created:      20.08.2025 17:00:40

contact:      INTERNET-CZ-KEYSET
org:          INTERNET CZ, a.s.
name:         Stefano Cecconi
address:      Ktiš 2
address:      Ktiš
address:      38403
address:      CZ
registrar:    REG-INTERNET-CZ
created:      11.11.2019 14:34:25