myteens.cc Myteens.cc

   
Myteens.cc - myteens Resources and Information.

Domain Summary

What is the traffic rank for Myteens.cc?

• Myteens.cc ranks #6,722,207 globally on HypeStat.

What percent of global Internet users visit Myteens.cc?

6.0E-7% of global Internet users visit Myteens.cc

How many people visit Myteens.cc each day?

• Myteens.cc receives approximately 28 visitors and 43 page impressions per day.

Which countries does Myteens.cc receive most of its visitors from?

• Myteens.cc is mostly visited by people located in Mexico,United States,Poland.

How much Myteens.cc can earn?

• Myteens.cc should earn about $0.11/day from advertising revenue.

What is Myteens.cc estimated value?

• Estimated value of Myteens.cc is $92.31.

What IP addresses does Myteens.cc resolve to?

• Myteens.cc resolves to the IP addresses 172.232.31.180.

Where are Myteens.cc servers located in?

• Myteens.cc has servers located in Chicago, Illinois, 60602, United States.

myteens.cc Profile

Title:myteens.cc - myteens Resources and Information.
Description:myteens.cc is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, myteens.cc has it all. We hope you find what you are searching for!
Category:Adult / Adult

What technologies does myteens.cc use?

These are the technologies used at myteens.cc. myteens.cc has a total of 1 technologies installed in 2 different categories.

myteens.cc Traffic Analysis

Myteens.cc is ranked #6,722,207 in the world. This website is viewed by an estimated 28 visitors daily, generating a total of 43 pageviews. This equates to about 848.4 monthly visitors. Myteens.cc traffic has increased by 496.44% compared to last month.
Daily Visitors28
487.57%
Monthly Visits848.4
496.44%
Pages per Visit1.51
30.96%
Visit duration00:35
55.13%
Bounce Rate49.08%
90.56%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
28
Monthly Visits:
848
Pages per Visit:
1.51
Daily Pageviews:
43
Avg. visit duration:
00:35
Bounce rate:
49.08%
Global Reach:
6.0E-7%
Monthly Visits (SEMrush):
28,152
Monthly Unique Visitors (SEMrush):
27,710
Monthly Visits (SimilarWeb):
844
HypeRank:
6,722,207
SEMrush Rank:
34,900,598
SimilarWeb Rank:
14,657,740
*All traffic values are estimates only.

Traffic sources

Direct:
89.43%
Referral:
1.94%
Search:
0%
Social:
8.63%
Paid:
0%

Desktop vs Mobile

Desktop:
1.94%
Mobile:
98.06%

Total Visits Last 3 Months

0
AUG
142.2
SEP
848.4
OCT

Visitors by country

Country
Users%
 
Mexico 26.7%
 
United States 16.3%
 
Poland 10.6%
 
Australia 3.0%
 
Norway 2.6%

Where do visitors go on myteens.cc?

 
Reach%Pageviews%PerUser
myteens.cc
100.00%100.00%1.7

Which sites are competitors to myteens.cc?

Websites similar to myteens.cc 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 25 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with myteens.cc in any way. Only publicly available statistics data are displayed.

 

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:
  myteens.cc
Rank:
(Rank based on keywords, cost and organic traffic)
  34,900,598
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  1
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

Revenue report

Google.com would generate approximately $0.1 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $3.3 and annual gross revenue of approximately $40.2. Based on these figures, the site's net worth is estimated at around $92.3.

How much would myteens.cc make?

Daily Revenue:
$0.11
Monthly Revenue:
$3.30
Yearly Revenue:
$40.15
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
United States 5$0.02
 
Australia 1$0.00
 
Poland 6$0.00
 
Norway 1$0.00
 
Philippines 1$0.00

Loss of money due to Adblock?

Daily Revenue Loss:
$0.01
Monthly Revenue Loss:
$0.19
Yearly Revenue Loss:
$2.37
Daily Pageviews Blocked:
4
Monthly Pageviews Blocked:
129
Yearly Pageviews Blocked:
1,570

Daily revenue loss by country

 
CountryBlockedLost Money
 
United States 1$0.00
 
Australia 0$0.00
 
Poland 2$0.00
 
Norway 0$0.00
 
Philippines 0$0.00

How much is myteens.cc worth?

Website Value:
$92.3

Ad Experience Report

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

Mobile summary

Root domain:
myteens.cc
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:
myteens.cc
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:
myteens.cc
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 myteens.cc hosted?

Myteens.cc may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
172.232.31.180
ASN:
AS63949 
ISP:
Linode, LLC 
Server Location:
Chicago
Illinois, IL
60602
United States, US
 

Other sites hosted on 172.232.31.180

There are no other sites hosted on this IP

How fast does myteens.cc load?

The average loading time of myteens.cc is 465 ms. The Desktop speed index is 76 and mobile speed index is 48.
Average Load Time:
465 ms

Page Speed (Google PageSpeed Insights) - Desktop

76
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)11ms 70% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 70% 17% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 17% 12% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 12%
Time To First Byte (TTFB)888ms 70% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 70% 23% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 23% 6% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 6%
First Contentful Paint (FCP)2.6s 53% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 53% 28% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 28% 18% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 18%
First Input Delay (FID)3ms 99% of loads for this page have a fast (<100ms) First Input Delay (FID) 99% 0% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>300ms) 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)3.1s 59% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 59% 29% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 29% 11% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 11%

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)8ms 77% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 77% 12% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 12% 9% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 9%
Time To First Byte (TTFB)1.0s 60% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 60% 32% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 32% 6% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 6%
First Contentful Paint (FCP)2.8s 44% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 44% 34% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 34% 20% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 20%
First Input Delay (FID)3ms 99% of loads for this page have a fast (<100ms) First Input Delay (FID) 99% 0% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>300ms) 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)3.1s 60% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 60% 28% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 28% 10% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 10%

Lab Data

Avoids `unload` event listeners  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more
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
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 more
First Meaningful Paint 2.0 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more
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
Largest Contentful Paint 2.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
First Contentful Paint 2.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
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
Largest Contentful Paint image was not lazily loaded  
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint. Learn more
Speed Index 2.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
Time to Interactive 2.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more

Page Speed (Google PageSpeed Insights) - Mobile

48
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a SLOW 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)14ms 70% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 69% 16% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 16% 14% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 14%
Time To First Byte (TTFB)1.0s 70% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 62% 29% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 29% 7% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 7%
First Contentful Paint (FCP)3.2s 53% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 32% 39% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 39% 27% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 27%
First Input Delay (FID)16ms 90% of loads for this page have a fast (<100ms) First Input Delay (FID) 90% 8% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 8% 0% of loads for this page have a slow (>300ms) 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)3.6s 59% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 38% 42% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 42% 18% of loads for this page have a slow (>4000s) Largest Contentful Paint (LCP) 18%

Origin Data

All pages served from this origin have an SLOW 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)6ms 80% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 80% 10% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 10% 8% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 8%
Time To First Byte (TTFB)1.2s 42% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 42% 47% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 47% 9% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 9%
First Contentful Paint (FCP)3.8s 23% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 23% 36% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 36% 39% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 39%
First Input Delay (FID)15ms 99% of loads for this page have a fast (<100ms) First Input Delay (FID) 93% 5% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 5% 0% of loads for this page have a slow (>300ms) 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)3.9s 36% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 36% 40% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 40% 23% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 23%

Lab Data

Total Blocking Time 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more
First Contentful Paint 10.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
Avoids `unload` event listeners  
The `unload` event does not fire reliably and listening for it can prevent browser optimizations like the Back-Forward Cache. Use `pagehide` or `visibilitychange` events instead. Learn more
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
First Meaningful Paint 10.5 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
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 more
Largest Contentful Paint 10.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
Largest Contentful Paint image was not lazily loaded  
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint. Learn more
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. Learn more
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
First Contentful Paint (3G) 22931 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more
Time to Interactive 10.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
Speed Index 11.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more

Does myteens.cc 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 myteens.cc are reduced by 66%.
myteens.cc use gzip compression.
Original size: 23.62 KB
Compressed size: 7.82 KB
File reduced by: 15.8 KB (66%)

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. myteens.cc supports HTTPS.
 myteens.cc supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: myteens.cc
Organization:
Location:
Issuer: R11
Valid from: Oct 9 07:27:01 2024 GMT
Valid until: Jan 7 07:27:00 2025 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: R11
Organization: Let's Encrypt
Location: US
Issuer: ISRG Root X1
Valid from: Mar 13 00:00:00 2024 GMT
Valid until: Mar 12 23:59:59 2027 GMT
Authority: CA:TRUE
Keysize: 2048 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.
 myteens.cc does not support 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: openresty
date: Sun, 17 Nov 2024 06:00:24 GMT
content-type: text/html
content-length: 142
location: http://ww99.myteens.cc/
accept-ch: Sec-CH-UA, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version, Sec-CH-UA-Mobile
cache-control: no-store, max-age=0

HTTP/1.1 302 Moved Temporarily
Server: openresty
Date: Sun, 17 Nov 2024 06:00:25 GMT
Content-Type: text/html
Content-Length: 0
Connection: keep-alive
X-Powered-By: PHP/5.4.16
Location: http://ww1.myteens.cc/?usid=23&utid=7711436378
Cache-Control: no-cache
Pragma: no-cache

HTTP/1.1 200 OK
date: Sun, 17 Nov 2024 06:00:25 GMT
content-type: text/html; charset=UTF-8
transfer-encoding: chunked
vary: Accept-Encoding
expires: Mon, 26 Jul 1997 05:00:00 GMT
cache-control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
pragma: no-cache
x-adblock-key: MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBANnylWw2vLY4hUn9w06zQKbhKBfvjFUCsdFlb6TdQhxb9RXWXuI4t31c+o8fYOv/s8q1LGPga3DE1L/tHU4LENMCAwEAAQ==_pS3SZMiWbJ+tJEDAlhHkJdu9E6vYjddMv46ZCP//SX7nTjsfZ+iPqmIgP+9h0hUUjZy3yzmUtH8YT1PjtRcUUw==
last-modified: Sun, 17 Nov 2024 06:00:25 GMT
x-cache-miss-from: parking-d59f44589-kxk8d
server: Parking/1.0
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
SOA 86400
Mname ns1.parklogic.com
Rname hostmaster.myteens.cc
Serial Number 2023101001
Refresh 3600
Retry 7200
Expire 1209600
Minimum TTL 3600
TXT v=spf1 -all 14400
MX mc.planbnow.co 86400
A 172.232.25.148 533
A 172.232.31.180 533
A 172.232.4.213 533
NS ns1.parklogic.com 86400
NS ns2.parklogic.com 86400

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 September 26, 2023 and will expire on September 26, 2025 if not renewed. This website is now assigned through the registrar Dynadot Inc. The WHOIS data for this website's domain was last updated on August 31, 2024.
Domain Created:
2023-09-26
Domain Expires:
2025-09-26
Domain Updated:
2024-08-31
Domain Age:
1 years 2 months 17 days
Domain Registrar:
Dynadot Inc
Domain Owner:
REDACTED
WhoIs:
 

   Domain Name: MYTEENS.CC
   Registry Domain ID: 196295599_DOMAIN_CC-VRSN
   Registrar WHOIS Server: whois.dynadot.com
   Registrar URL: http://www.dynadot.com
   Updated Date: 2024-08-31T19:32:05Z
   Creation Date: 2023-09-26T08:02:56Z
   Registry Expiry Date: 2025-09-26T08:02:56Z
   Registrar: Dynadot Inc
   Registrar IANA ID: 472
   Registrar Abuse Contact Email: email
   Registrar Abuse Contact Phone: +16502620100
   Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Name Server: NS1.PARKLOGIC.COM
   Name Server: NS2.PARKLOGIC.COM
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-17T06:01:10Z