iamjmm.ovh Iamjmm.ovh

   
Année 2021-2022

Domain Summary

What is the traffic rank for Iamjmm.ovh?

• Iamjmm.ovh ranks #1,864,367 globally on HypeStat.

What percent of global Internet users visit Iamjmm.ovh?

• 4.0E-5% of global Internet users visit Iamjmm.ovh

How many people visit Iamjmm.ovh each day?

• Iamjmm.ovh receives approximately 1.7K visitors and 4,065 page impressions per day.

How much Iamjmm.ovh can earn?

• Iamjmm.ovh should earn about $16.58/day from advertising revenue.

What is Iamjmm.ovh estimated value?

• Estimated value of Iamjmm.ovh is $17,786.35.

What IP addresses does Iamjmm.ovh resolve to?

• Iamjmm.ovh resolves to the IP addresses 213.186.33.40.

Where are Iamjmm.ovh servers located in?

• Iamjmm.ovh has servers located in France.

iamjmm.ovh Profile

Title:Année 2021-2022
Edit Site Info

What technologies does iamjmm.ovh use?

These are the technologies used at iamjmm.ovh. iamjmm.ovh has a total of 2 technologies installed in 3 different categories.
Web Servers
Apache Apache
PaaS
OVHcloud OVHcloud
Hosting
OVHcloud OVHcloud

iamjmm.ovh Traffic Analysis

Iamjmm.ovh is ranked #1,864,367 in the world. This website is viewed by an estimated 1.7K visitors daily, generating a total of 4.1K pageviews. This equates to about 52.8K monthly visitors. Iamjmm.ovh traffic has increased by 892.35% compared to last month.
Daily Visitors1.7K
207.73%
Monthly Visits52.8K
892.35%
Pages per Visit2.33
80.24%
Visit duration16:31
350.45%
Bounce Rate46.26%
40.57%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
1,743
Monthly Visits:
52,813
Pages per Visit:
2.33
Daily Pageviews:
4,065
Avg. visit duration:
16:31
Bounce rate:
46.26%
Global Reach:
4.0E-5%
Monthly Visits (SEMrush):
51,771
Monthly Unique Visitors (SEMrush):
14,897
HypeRank:
1,864,367
SEMrush Rank:
31,681,046
*All traffic values are estimates only.

Traffic sources

Direct:
72.54%
Referral:
4.16%
Search:
23.29%
Social:
0%
Paid:
0%

Desktop vs Mobile

Desktop:
86.37%
Mobile:
13.63%
Last update was 951 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with iamjmm.ovh 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:
50

  ▼

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:
  iamjmm.ovh
Rank:
(Rank based on keywords, cost and organic traffic)
  31,681,046
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  52
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 >>

Revenue report ▼

Google.com would generate approximately $16.6 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $497.4 and annual gross revenue of approximately $6.1K. Based on these figures, the site's net worth is estimated at around $17.8K.

How much would iamjmm.ovh make?

Daily Revenue:
$16.58
Monthly Revenue:
$497.40
Yearly Revenue:
$6,051.70
*All earnings values are estimates only.

How much is iamjmm.ovh worth?

Website Value:
$17.8K

Ad Experience Report ▼

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

Mobile summary

Root domain:
iamjmm.ovh
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:
iamjmm.ovh
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:
iamjmm.ovh
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 iamjmm.ovh hosted? ▼

Iamjmm.ovh may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
213.186.33.40
ASN:
AS16276 
ISP:
OVH SAS 
Server Location:

France, FR
 

Other sites hosted on 213.186.33.40

How fast does iamjmm.ovh load? ▼

The average loading time of iamjmm.ovh is n/a ms. The Desktop speed index is 100 and mobile speed index is 100.
Average Load Time:
n/a ms

Page Speed (Google PageSpeed Insights) - Desktop

100
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)0ms 100% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 100% 0% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)396ms 91% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 91% 6% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 6% 2% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 2%
First Contentful Paint (FCP)988ms 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 92% 4% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 4% 3% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 3%
First Input Delay (FID)3ms 100% of loads for this page have a fast (<100ms) First Input Delay (FID) 100% 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)1.2s 93% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 93% 3% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 3% 3% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 3%

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)0ms 100% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 100% 0% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)396ms 91% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 91% 6% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 6% 2% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 2%
First Contentful Paint (FCP)988ms 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 92% 4% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 4% 3% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 3%
First Input Delay (FID)3ms 100% of loads for this page have a fast (<100ms) First Input Delay (FID) 100% 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)1.2s 93% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 93% 3% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 3% 3% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 3%

Lab Data

Time to Interactive 0.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
First Contentful Paint 0.2 s
First Contentful Paint marks the time at which the first text or image is painted. 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
Speed Index 0.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
Minimize third-party usage  
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more
Largest Contentful Paint 0.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
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
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
First Meaningful Paint 0.2 s
First Meaningful Paint measures when the primary content of a page is visible. 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
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. 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
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
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

Page Speed (Google PageSpeed Insights) - Mobile

100
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)0ms 100% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 99% 0% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)629ms 91% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 84% 11% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 11% 4% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 4%
First Contentful Paint (FCP)1.6s 92% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 85% 8% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 8% 5% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 5%
First Input Delay (FID)16ms 94% of loads for this page have a fast (<100ms) First Input Delay (FID) 94% 3% of loads for this page have an average (100ms ~ 300ms) First Input Delay (FID) 3% 2% of loads for this page have a slow (>300ms) First Input Delay (FID) 2%
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)1.8s 93% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 90% 6% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 6% 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 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)0ms 99% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 99% 0% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 0% 0% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 0%
Time To First Byte (TTFB)629ms 84% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 84% 11% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 11% 4% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 4%
First Contentful Paint (FCP)1.6s 85% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 85% 8% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 8% 5% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 5%
First Input Delay (FID)16ms 100% of loads for this page have a fast (<100ms) First Input Delay (FID) 94% 3% of loads for this page have an average 100ms ~ 300ms) First Input Delay (FID) 3% 2% of loads for this page have a slow (>300ms) First Input Delay (FID) 2%
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)1.8s 90% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 90% 6% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 6% 3% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 3%

Lab Data

Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. 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
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
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 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 0.9 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
First Contentful Paint 0.8 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
Time to Interactive 0.8 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 20 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
Minimize third-party usage  
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more
First Contentful Paint (3G) 1553 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. Learn more
Largest Contentful Paint 0.8 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
First Meaningful Paint 0.8 s
First Meaningful Paint measures when the primary content of a page is visible. 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

Does iamjmm.ovh 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 iamjmm.ovh are reduced by 65%.
iamjmm.ovh use gzip compression.
Original size: 3.78 KB
Compressed size: 1.31 KB
File reduced by: 2.47 KB (65%)

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. iamjmm.ovh supports HTTPS.
 iamjmm.ovh supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: iamjmm.ovh
Organization:
Location:
Issuer: R3
Valid from: Oct 4 14:45:02 2022 GMT
Valid until: Jan 2 14:45:01 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.
 iamjmm.ovh 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: Sun, 04 Dec 2022 14:26:03 GMT
content-type: text/html
content-length: 1341
server: Apache
accept-ranges: bytes
vary: Accept-Encoding
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
TXT v=spf1 include:mx.ovh.com ~all 600
A 213.186.33.40 3600
MX mx1.ovh.net 3600
MX mxb.ovh.net 3600
MX mx2.ovh.net 3600
SOA 3600
Mname dns13.ovh.net
Rname tech.ovh.net
Serial Number 2015060302
Refresh 86400
Retry 3600
Expire 3600000
Minimum TTL 300
NS dns13.ovh.net 3549
NS ns13.ovh.net 3549

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 June 3, 2015 and will expire on June 3, 2022 if not renewed. This website is now assigned through the registrar OVH, SAS. The WHOIS data for this website's domain was last updated on April 6, 2019.
Domain Created:
2015-06-03
Domain Expires:
2022-06-03
Domain Updated:
2019-04-06
Domain Age:
10 years 1 months 10 days
Domain Registrar:
OVH, SAS
Domain Owner:
REDACTED FOR PRIVACY
WhoIs:
 

Domain Name: iamjmm.ovh
Registry Domain ID: DOM000000499140-OVH
Registrar WHOIS Server: whois.ovh.com
Registrar URL: https://www.ovh.com
Updated Date: 2019-04-06T06:49:00.0Z
Creation Date: 2015-06-03T16:36:06.0Z
Registrar Registration Expiration Date: 2022-06-03T16:36:06.0Z
Registrar: OVH, SAS
Registrar IANA ID: 433
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +33.972101007
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID:
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: FR
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: email
Registry Admin ID:
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: email
Registry Tech ID:
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: email
Name Server: dns13.ovh.net
Name Server: ns13.ovh.net
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System:
http://wdprs.internic.net/
>>> Last update of WHOIS database: 2020-05-22T16:21:11.0Z