bit-funds.com Bit-funds.com

   
BIT-FUNDS LTD

Domain Summary

What is the traffic rank for Bit-funds.com?

• Bit-funds.com ranks #2,050,650 globally on HypeStat.

What percent of global Internet users visit Bit-funds.com?

• 0.00016% of global Internet users visit Bit-funds.com

How many people visit Bit-funds.com each day?

• Bit-funds.com receives approximately 7.9K visitors and 7,888 page impressions per day.

Which countries does Bit-funds.com receive most of its visitors from?

• Bit-funds.com is mostly visited by people located in Brazil.

How much Bit-funds.com can earn?

• Bit-funds.com should earn about $15.46/day from advertising revenue.

What is Bit-funds.com estimated value?

• Estimated value of Bit-funds.com is $14,552.89.

What IP addresses does Bit-funds.com resolve to?

• Bit-funds.com resolves to the IP addresses 162.0.230.182.

Where are Bit-funds.com servers located in?

• Bit-funds.com has servers located in United States.

bit-funds.com Profile

Title:BIT-FUNDS LTD
Edit Site Info

What technologies does bit-funds.com use?

These are the technologies used at bit-funds.com. bit-funds.com has a total of 6 technologies installed in 8 different categories.
CDN
Google Hosted Libraries Google Hosted Libraries
Caching
Google PageSpeed Google PageSpeed
Web Server Extensions
Google PageSpeed Google PageSpeed
Live Chat
JivoChat JivoChat
JavaScript Libraries
jQuery jQuery
Web Servers
Nginx Nginx
Reverse proxies
Nginx Nginx
Programming Languages
PHP PHP

bit-funds.com Traffic Analysis

Bit-funds.com is ranked #2,050,650 in the world. This website is viewed by an estimated 7.9K visitors daily, generating a total of 7.9K pageviews. This equates to about 239K monthly visitors.
Daily Visitors7.9K
Monthly Visits239K
Pages per Visit1.00
Visit duration09:10
Bounce Rate51.30%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
7,888
Monthly Visits:
239,006
Pages per Visit:
1.00
Daily Pageviews:
7,888
Avg. visit duration:
09:10
Bounce rate:
51.30%
Global Reach:
0.00016%
HypeRank:
2,050,650
SEMrush Rank:
8,221,400
*All traffic values are estimates only.

Traffic sources

Direct:
94.82%
Referral:
2.74%
Search:
0%
Social:
2.44%
Paid:
0%

Visitors by country

Country
Users%
 
Brazil 77.1%

Where do visitors go on bit-funds.com?

 
Reach%Pageviews%PerUser
bit-funds.com
100.00%100.00%1
Last update was 905 days ago
     
This can take up to 60 seconds. Please wait...

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

Moz Data ▼

Domain Authority (DA) is a metric developed by Moz. DA is a score that predicts the ranking potential of a website on search engine result pages (SERPs). Moz calculates Domain Authority on a logarithmic scale from 1 to 100, with higher scores indicating a greater likelihood of ranking well in search results. Moz Domain Authority of bit-funds.com is 6.
Domain Authority:
  6
Page Authority:
  6
MozRank:
  1

  ▼

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:
  bit-funds.com
Rank:
(Rank based on keywords, cost and organic traffic)
  8,221,400
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  2
Organic Traffic:
(Number of visitors coming from top 20 search results)
  8
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $13.00
Full SEMrush Report >>

Revenue report ▼

Google.com would generate approximately $15.5 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $463.8 and annual gross revenue of approximately $5.6K. Based on these figures, the site's net worth is estimated at around $14.6K.

How much would bit-funds.com make?

Daily Revenue:
$15.46
Monthly Revenue:
$463.80
Yearly Revenue:
$5,642.90
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
Brazil 6,074$8.08

Loss of money due to Adblock?

Daily Revenue Loss:
$0.48
Monthly Revenue Loss:
$14.54
Yearly Revenue Loss:
$176.91
Daily Pageviews Blocked:
364
Monthly Pageviews Blocked:
10,933
Yearly Pageviews Blocked:
133,015

Daily revenue loss by country

 
CountryBlockedLost Money
 
Brazil 364$0.48

How much is bit-funds.com worth?

Website Value:
$14.6K

Ad Experience Report ▼

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

Mobile summary

Root domain:
bit-funds.com
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:
bit-funds.com
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:
bit-funds.com
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 bit-funds.com hosted? ▼

Bit-funds.com may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
162.0.230.182
ASN:
AS22612 
ISP:
Namecheap, Inc. 
Server Location:

United States, US
 

Other sites hosted on 162.0.230.182

How fast does bit-funds.com load? ▼

The average loading time of bit-funds.com is 1125 ms. The Desktop speed index is 76 and mobile speed index is 49.
Average Load Time:
1125 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 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

First Contentful Paint 0.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
Speed Index 1.7 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
Total Blocking Time 200 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more
First Meaningful Paint 0.6 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
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
Max Potential First Input Delay 440 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
Largest Contentful Paint 2.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. 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
Time to Interactive 1.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. 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

Page Speed (Google PageSpeed Insights) - Mobile

49
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

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
Max Potential First Input Delay 860 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more
First Meaningful Paint 2.1 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more
First Contentful Paint 2.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more
Largest Contentful Paint 12.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more
Performance budget  
Keep the quantity and size of network requests under the targets set by the provided performance budget. 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
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
Total Blocking Time 460 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more
Time to Interactive 8.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more
Speed Index 5.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more
First Contentful Paint (3G) 4068 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network. 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

Does bit-funds.com 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 bit-funds.com are reduced by 79%.
bit-funds.com use gzip compression.
Original size: 24.04 KB
Compressed size: 5.02 KB
File reduced by: 19.02 KB (79%)

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
Child Safety Reputations:
  10
Child Safety Confidence:
  51

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. bit-funds.com supports HTTPS.
 bit-funds.com supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: bit-funds.com
Organization:
Location:
Issuer: "cPanel, Inc. Certification Authority"
Valid from: Apr 22 00:00:00 2022 GMT
Valid until: Jul 21 23:59:59 2022 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: "cPanel, Inc. Certification Authority"
Organization: "cPanel, Inc."
Location: Houston, TX, US
Issuer: COMODO RSA Certification Authority
Valid from: May 18 00:00:00 2015 GMT
Valid until: May 17 23:59:59 2025 GMT
Authority: CA:TRUE
Keysize: 2048 Bits
Common Name: COMODO RSA Certification Authority
Organization: COMODO CA Limited
Location: Salford, Greater Manchester, GB
Issuer: AAA Certificate Services
Valid from: Jan 1 00:00:00 2004 GMT
Valid until: Dec 31 23:59:59 2028 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.
 bit-funds.com 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
Date: Wed, 22 Jun 2022 22:27:28 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 24620
Connection: keep-alive
X-Powered-By: PHP/5.6.40
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: CameFrom=https%3A%2F%2Fhypestat.com; expires=Tue, 17-Jun-2042 22:27:27 GMT; Max-Age=630720000
Set-Cookie: PHPSESSID=cdcefe7d25287f235e8f741e3cb6e706; path=/; domain=bit-funds.com; HttpOnly
X-Mod-Pagespeed: 1.13.35.2-0
Vary: Accept-Encoding
Cache-Control: max-age=0, no-cache, s-maxage=10

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 3600
Mname ns1.asic-pools.co
Rname admin.bithubber.com
Serial Number 2022012802
Refresh 3600
Retry 1800
Expire 1209600
Minimum TTL 86400
A 162.0.230.182 3600
MX bit-funds.com 3600
TXT v=spf1 ip4:162.0.230.182 +a +mx +ip4:162.0.233.77 ~all 3600
NS ns2.asic-pools.co 3540
NS ns1.asic-pools.co 3540

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 December 7, 2018 and will expire on December 7, 2022 if not renewed. This website is now assigned through the registrar Name.com, Inc.. The WHOIS data for this website's domain was last updated on December 25, 2021.
Domain Created:
2018-12-07
Domain Expires:
2022-12-07
Domain Updated:
2021-12-25
Domain Age:
6 years 7 days
Domain Registrar:
Name.com, Inc.
Domain Owner:
Domain Protection Services, Inc.
WhoIs:
 

Domain Name: BIT-FUNDS.COM 
Registry Domain ID: 2340998055_DOMAIN_COM-VRSN 
Registrar WHOIS Server: whois.name.com 
Registrar URL: http://www.name.com 
Updated Date: 2021-12-25T05:22:12Z 
Creation Date: 2018-12-07T19:24:47Z 
Registrar Registration Expiration Date: 2022-12-07T19:24:47Z 
Registrar: Name.com, Inc. 
Registrar IANA ID: 625 
Reseller:  
Domain Status: clientTransferProhibited https://www.icann.org/epp#clientTransferProhibited 
Registry Registrant ID: Not Available From Registry 
Registrant Name: Whois Agent 
Registrant Organization: Domain Protection Services, Inc. 
Registrant Street: PO Box 1769  
Registrant City: Denver 
Registrant State/Province: CO 
Registrant Postal Code: 80201 
Registrant Country: US 
Registrant Phone: +1.7208009072 
Registrant Fax: +1.7209758725 
Registrant Email: https://www.name.com/contact-domain-whois/bit-funds.com 
Registry Admin ID: Not Available From Registry 
Admin Name: Whois Agent 
Admin Organization: Domain Protection Services, Inc. 
Admin Street: PO Box 1769  
Admin City: Denver 
Admin State/Province: CO 
Admin Postal Code: 80201 
Admin Country: US 
Admin Phone: +1.7208009072 
Admin Fax: +1.7209758725 
Admin Email: https://www.name.com/contact-domain-whois/bit-funds.com 
Registry Tech ID: Not Available From Registry 
Tech Name: Whois Agent 
Tech Organization: Domain Protection Services, Inc. 
Tech Street: PO Box 1769  
Tech City: Denver 
Tech State/Province: CO 
Tech Postal Code: 80201 
Tech Country: US 
Tech Phone: +1.7208009072 
Tech Fax: +1.7209758725 
Tech Email: https://www.name.com/contact-domain-whois/bit-funds.com 
Name Server: ns1.asic-pools.co 
Name Server: ns2.asic-pools.co 
DNSSEC: unSigned 
Registrar Abuse Contact Email: email 
Registrar Abuse Contact Phone: +1.7203101849 
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2022-06-22T22:25:32Z