josef-adamcik.cz Josef-adamcik.cz

   
– Josef Adamčík

Domain Summary

What is the traffic rank for Josef-adamcik.cz?

• Josef-adamcik.cz ranks #4,972,160 globally on HypeStat.

What percent of global Internet users visit Josef-adamcik.cz?

• 1.49E-5% of global Internet users visit Josef-adamcik.cz

How many people visit Josef-adamcik.cz each day?

• Josef-adamcik.cz receives approximately 732 visitors and 223 page impressions per day.

How much Josef-adamcik.cz can earn?

• Josef-adamcik.cz should earn about $0.91/day from advertising revenue.

What is Josef-adamcik.cz estimated value?

• Estimated value of Josef-adamcik.cz is $907.16.

What IP addresses does Josef-adamcik.cz resolve to?

• Josef-adamcik.cz resolves to the IP addresses 2001:15e8:110:a58::1, 81.2.242.88.

Where are Josef-adamcik.cz servers located in?

• Josef-adamcik.cz has servers located in Ktis, Prachatice District, 383 01, Czechia.

josef-adamcik.cz Profile

Title: – Josef Adamčík
Description:Personal homepage of Josef Adamcik
Category:Computers Electronics and Technology / Computer Hardware
Edit Site Info

What technologies does josef-adamcik.cz use?

These are the technologies used at josef-adamcik.cz. josef-adamcik.cz has a total of 3 technologies installed in 4 different categories.
Analytics
Matomo Analytics Matomo Analytics
Web Servers
Nginx Nginx
Reverse proxies
Nginx Nginx
Operating Systems
Ubuntu Ubuntu

josef-adamcik.cz Traffic Analysis

Josef-adamcik.cz is ranked #4,972,160 in the world. This website is viewed by an estimated 732 visitors daily, generating a total of 223 pageviews. This equates to about 22.2K monthly visitors.
Daily Visitors732
Monthly Visits22.2K
Pages per Visit0.30
Visit duration00:54
Bounce Rate21.60%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
732
Monthly Visits:
22,180
Pages per Visit:
0.30
Daily Pageviews:
223
Avg. visit duration:
00:54
Bounce rate:
21.60%
Global Reach:
1.49E-5%
Monthly Visits (SimilarWeb):
21,756
HypeRank:
4,972,160
SEMrush Rank:
4,099,955
SimilarWeb Rank:
6,253,549
*All traffic values are estimates only.

Total Visits Last 3 Months

21.9K
MAY
22.2K
JUN
22.2K
JUL

Which sites are competitors to josef-adamcik.cz?

Websites similar to josef-adamcik.cz are sites similar on user interests and browsing behavior. Users can discover new websites that are similar to the ones they already enjoy or find useful.
Last update was 528 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with josef-adamcik.cz in any way. Only publicly available statistics data are displayed.

Search Engine Indexes ▼

Search engine indexes are huge databases or collections of net pages that search engines like google like google and yahoo use to retrieve applicable facts while customers carry out searches. These indexes are created through search engines like google and yahoo through crawling and indexing net pages from throughout the internet.
Bing Index:
122

  ▼

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:
  josef-adamcik.cz
Rank:
(Rank based on keywords, cost and organic traffic)
  4,099,955
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  242
Organic Traffic:
(Number of visitors coming from top 20 search results)
  60
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $33.00
Full SEMrush Report >>

Revenue report ▼

Google.com would generate approximately $0.9 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $27.3 and annual gross revenue of approximately $332.2. Based on these figures, the site's net worth is estimated at around $0.9K.

How much would josef-adamcik.cz make?

Daily Revenue:
$0.91
Monthly Revenue:
$27.30
Yearly Revenue:
$332.15
*All earnings values are estimates only.

How much is josef-adamcik.cz worth?

Website Value:
$0.9K

Ad Experience Report ▼

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

Mobile summary

Root domain:
josef-adamcik.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:
josef-adamcik.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:
josef-adamcik.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 josef-adamcik.cz hosted? ▼

Josef-adamcik.cz may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
2001:15e8:110:a58::1, 81.2.242.88
ASN:
AS24806 
ISP:
INTERNET CZ, a.s. 
Server Location:
Ktis
Prachatice District, 315
383 01
Czechia, CZ
 

Other sites hosted on 81.2.242.88

There are no other sites hosted on this IP

How fast does josef-adamcik.cz load? ▼

The average loading time of josef-adamcik.cz is 454 ms. The Desktop speed index is 71 and mobile speed index is 94.
Average Load Time:
454 ms

Page Speed (Google PageSpeed Insights) - Desktop

71
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST 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)7ms 80% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 80% 13% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 13% 5% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 5%
Time To First Byte (TTFB)664ms 81% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 81% 17% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 17% 1% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 1%
First Contentful Paint (FCP)993ms 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 92% 5% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 5% 1% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 1%
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)27ms 100% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 100% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.7s 92% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 92% 5% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 5% 2% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 2%

Origin Data

All pages served from this origin have an FAST 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)7ms 80% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 80% 13% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 13% 5% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 5%
Time To First Byte (TTFB)664ms 81% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 81% 17% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 17% 1% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 1%
First Contentful Paint (FCP)993ms 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 92% 5% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 5% 1% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 1%
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)27ms 100% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 100% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.7s 92% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 92% 5% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 5% 2% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 2%

Lab Data

Has a `<meta name="viewport">` tag with `width` or `initial-scale`  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
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
First Contentful Paint 0.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more about performance budgets
Timing budget  
Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Learn more about performance budgets
Max Potential First Input Delay 20 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 3.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
First Meaningful Paint 0.5 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Time to Interactive 0.5 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 1.5 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric

Page Speed (Google PageSpeed Insights) - Mobile

94
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a AVERAGE 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)0ms 80% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 94% 4% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 4% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)1.1s 81% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 64% 27% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 27% 7% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 7%
First Contentful Paint (FCP)1.6s 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 81% 13% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 13% 4% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 4%
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)63ms 100% of loads for this page have a fast (<200s) Interactive To Next Paint (INP) 100% 0% of loads for this page have an average (200s ~ 500s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>500s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)2.1s 92% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 89% 7% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 7% 3% of loads for this page have a slow (>4000s) Largest Contentful Paint (LCP) 3%

Origin Data

All pages served from this origin have an AVERAGE 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)0ms 94% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 94% 4% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 4% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)1.1s 64% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 64% 27% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 27% 7% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 7%
First Contentful Paint (FCP)1.6s 81% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 81% 13% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 13% 4% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 4%
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)63ms 100% of loads for this page have a fast (<0.2s) Interactive To Next Paint (INP) 100% 0% of loads for this page have an average (0.2s ~ 0.5s) Interactive To Next Paint (INP) 0% 0% of loads for this page have a slow (>0.5s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)2.1s 89% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 89% 7% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 7% 3% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 3%

Lab Data

Has a `<meta name="viewport">` tag with `width` or `initial-scale`  
A `<meta name="viewport">` not only optimizes your app for mobile screen sizes, but also prevents . a 300 millisecond delay to user input Learn more about using the viewport meta tag
Largest Contentful Paint 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Timing budget  
Set a timing budget to help you keep an eye on the performance of your site. Performant sites load fast and respond to user input events quickly. Learn more about performance budgets
First Meaningful Paint 1.6 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric
Speed Index 3.8 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Total Blocking Time 70 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 2.1 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
Max Potential First Input Delay 280 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
Lazy load third-party resources with facades  
Some third-party embeds can be lazy loaded. Consider replacing them with a facade until they are required. Learn how to defer third-parties with a facade
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more about performance budgets
First Contentful Paint 1.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric

Does josef-adamcik.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 josef-adamcik.cz are reduced by 74%.
josef-adamcik.cz use gzip compression.
Original size: 20.49 KB
Compressed size: 5.16 KB
File reduced by: 15.33 KB (74%)

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:
  UNKNOWN

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. josef-adamcik.cz supports HTTPS.
 josef-adamcik.cz supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: josef-adamcik.cz
Organization:
Location:
Issuer: R3
Valid from: Jul 25 15:57:50 2023 GMT
Valid until: Oct 23 15:57:49 2023 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: R3
Organization: Let's Encrypt
Location: US
Issuer: ISRG Root X1
Valid from: Sep 4 00:00:00 2020 GMT
Valid until: Sep 15 16:00:00 2025 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: ISRG Root X1
Organization: Internet Security Research Group
Location: US
Issuer: DST Root CA X3
Valid from: Jan 20 19:14:03 2021 GMT
Valid until: Sep 30 18:14:03 2024 GMT
Authority: CA:TRUE
Keysize: 4096 Bits

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.
 josef-adamcik.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. 
server: nginx/1.18.0 (Ubuntu)
date: Wed, 09 Aug 2023 16:19:03 GMT
content-type: text/html
last-modified: Sun, 25 Jun 2023 11:12:08 GMT
vary: Accept-Encoding
etag: W/"64982108-51f4"
alternate-protocol: 443:npn-spdy/3
content-security-policy: upgrade-insecure-requests
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
referrer-policy: strict-origin-when-cross-origin
strict-transport-security: max-age=31536000
content-encoding: gzip

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
AAAA 2001:15e8:110:a58::1 3531
MX mx.mitoncz.com 3531
MX mx.kvapem.cz 3531
SOA 3531
Mname ns.kvapem.cz
Rname hostmaster.stable.cz
Serial Number 2023080701
Refresh 28800
Retry 7200
Expire 604800
Minimum TTL 10800
A 81.2.242.88 3529
NS ns.kvapem.com 3529
NS ns.kvapem.cz 3529

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 24, 2010 and will expire on August 24, 2024 if not renewed. This website is now assigned through the registrar Webglobe, s.r.o.. The WHOIS data for this website's domain was last updated on November 6, 2022.
Domain Created:
2010-08-24
Domain Expires:
2024-08-24
Domain Updated:
2022-11-06
Domain Age:
14 years 4 months 26 days
Domain Registrar:
Webglobe, s.r.o.
Domain Owner:
Josef Adamčík
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: 3.12.2
% Timestamp: Wed Aug 09 16:20:12 2023

domain:       josef-adamcik.cz
registrant:   CID:ID128224555871391-MITONCZ
nsset:        KVAPEM
keyset:       WEBG-K-D0003367104-CZ
registrar:    REG-WEBGLOBE
registered:   24.08.2010 10:54:32
changed:      06.11.2022 02:36:06
expire:       24.08.2024

contact:      CID:ID128224555871391-MITONCZ
name:         Josef Adamčík
address:      Moskevská 21
address:      Děčín
address:      40502
address:      CZ
registrar:    REG-WEBGLOBE
created:      19.08.2010 21:19:22
changed:      15.05.2018 21:32:00

nsset:        KVAPEM
nserver:      ns.kvapem.cz 
nserver:      ns.kvapem.com 
tech-c:       STABLECZ
registrar:    REG-WEBGLOBE
created:      10.06.2014 14:05:33
changed:      04.08.2015 13:27:43

contact:      STABLECZ
org:          Webglobe, s.r.o.
name:         Petr Šmída
address:      Vinohradská 190/2405
address:      Praha 3 – Vinohrady
address:      130 61
address:      CZ
registrar:    REG-MOJEID
created:      27.07.2011 15:49:16
changed:      24.02.2021 15:19:17

keyset:       WEBG-K-D0003367104-CZ
dnskey:       257 3 13 t2opHbcyWwy7hrP6WvJv+GC8R+omsXHo4rEEIvjxk9HBg4kKKNKFfwk07r/C9bpyCAUZHWFuO+ZuNyI9anbXwg==
tech-c:       IGNUM
registrar:    REG-WEBGLOBE
created:      06.11.2022 02:36:06
changed:      07.11.2022 14:42:10

contact:      IGNUM
org:          Webglobe, s.r.o.
name:         Lucie Vojtíková
address:      Vinohradská 190
address:      Praha 3
address:      130 61
address:      CZ
registrar:    REG-WEBGLOBE
created:      17.03.2008 14:43:09
changed:      04.08.2021 07:53:03