brilliant-moissanite.com Brilliant-moissanite.com

   
BrilliantMoissaanite

Domain Summary

What is the traffic rank for Brilliant-moissanite.com?

• Brilliant-moissanite.com ranks #5,771,846 globally on HypeStat.

What percent of global Internet users visit Brilliant-moissanite.com?

• 1.8E-6% of global Internet users visit Brilliant-moissanite.com

How many people visit Brilliant-moissanite.com each day?

• Brilliant-moissanite.com receives approximately 90 visitors and 188 page impressions per day.

Which countries does Brilliant-moissanite.com receive most of its visitors from?

• Brilliant-moissanite.com is mostly visited by people located in United States,Argentina,India.

How much Brilliant-moissanite.com can earn?

• Brilliant-moissanite.com should earn about $0.38/day from advertising revenue.

What is Brilliant-moissanite.com estimated value?

• Estimated value of Brilliant-moissanite.com is $361.63.

What IP addresses does Brilliant-moissanite.com resolve to?

• Brilliant-moissanite.com resolves to the IP addresses 2606:4700:3037::6815:11f1, 172.67.178.223.

Where are Brilliant-moissanite.com servers located in?

• Brilliant-moissanite.com has servers located in United States.

brilliant-moissanite.com Profile

Title:BrilliantMoissaanite
About: Brilliant-Moissanite.com is an online retailer specializing in moissanite jewelry. The website offers a variety of jewelry pieces including rings, earrings, necklaces, and bracelets, all featuring moissanite gemstones. Moissanite is known for its brilliance and fire, often compared to diamonds, but is more affordable, making it an attractive option for those looking for high-quality yet budget-friendly jewelry. The site provides detailed descriptions of each product, along with information on moissanite as a gemstone, its benefits, and care instructions. Customers can also find customization options and guides to help them make informed purchasing decisions.
*This text is generated by artificial intelligence and may not be accurate. Edit Site Info

What technologies does brilliant-moissanite.com use?

These are the technologies used at brilliant-moissanite.com. brilliant-moissanite.com has a total of 11 technologies installed in 8 different categories.
UI frameworks
Bootstrap Bootstrap
Ecommerce
Cart Functionality Cart Functionality
OpenCart OpenCart
CDN
CloudFlare CloudFlare
Miscellaneous
HTTP/3 HTTP/3
Open Graph Open Graph
JavaScript Libraries
jQuery jQuery
Swiper Swiper
Programming Languages
PHP PHP
Live Chat
WhatsApp Business Chat WhatsApp Business Chat
Databases
MySQL MySQL

brilliant-moissanite.com Traffic Analysis

Brilliant-moissanite.com is ranked #5,771,846 in the world. This website is viewed by an estimated 90 visitors daily, generating a total of 188 pageviews. This equates to about 2.7K monthly visitors.
Daily Visitors90
Monthly Visits2.7K
Pages per Visit2.08
Visit duration03:38
Bounce Rate21.16%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
90
Monthly Visits:
2,727
Pages per Visit:
2.08
Daily Pageviews:
188
Avg. visit duration:
03:38
Bounce rate:
21.16%
Global Reach:
1.8E-6%
Monthly Visits (SEMrush):
2,892
Monthly Unique Visitors (SEMrush):
269
Monthly Visits (SimilarWeb):
2,731
HypeRank:
5,771,846
SEMrush Rank:
9,994,500
*All traffic values are estimates only.

Traffic sources

Direct:
20.00%
Referral:
80.00%
Search:
0%
Social:
0%
Paid:
0%

Desktop vs Mobile

Desktop:
100.00%
Mobile:
0%

Total Visits Last 3 Months

2.5K
MAR
2.7K
APR
2.7K
MAY

Visitors by country

Country
Users%
 
United States 29.71%
 
Argentina 21.71%
 
India 21.52%
 
United Kingdom 15.02%
 
France 12.05%
Last update was 174 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with brilliant-moissanite.com 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:
  brilliant-moissanite.com
Rank:
(Rank based on keywords, cost and organic traffic)
  9,994,500
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  50
Organic Traffic:
(Number of visitors coming from top 20 search results)
  2
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 $0.4 per day if the source of income were advertisements, which equates to an estimated monthly revenue of $11.4 and annual gross revenue of approximately $138.7. Based on these figures, the site's net worth is estimated at around $361.6.

How much would brilliant-moissanite.com make?

Daily Revenue:
$0.38
Monthly Revenue:
$11.40
Yearly Revenue:
$138.70
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
United States 56$0.27
 
United Kingdom 28$0.08
 
India 40$0.02
 
France 23$0.01
 
Argentina 41$0.01

Loss of money due to Adblock?

Daily Revenue Loss:
$0.07
Monthly Revenue Loss:
$2.04
Yearly Revenue Loss:
$24.76
Daily Pageviews Blocked:
34
Monthly Pageviews Blocked:
1,023
Yearly Pageviews Blocked:
12,447

Daily revenue loss by country

 
CountryBlockedLost Money
 
United States 10$0.05
 
United Kingdom 5$0.01
 
India 11$0.00
 
France 2$0.00
 
Argentina 6$0.00

How much is brilliant-moissanite.com worth?

Website Value:
$361.6

Ad Experience Report ▼

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

Mobile summary

Root domain:
brilliant-moissanite.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:
brilliant-moissanite.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:
brilliant-moissanite.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 brilliant-moissanite.com hosted? ▼

Brilliant-moissanite.com may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
2606:4700:3037::6815:11f1, 172.67.178.223
ASN:
AS13335 
ISP:
Cloudflare Inc 
Server Location:

United States, US
 

Other sites hosted on 172.67.178.223

How fast does brilliant-moissanite.com load? ▼

The average loading time of brilliant-moissanite.com is 610 ms. The Desktop speed index is 98 and mobile speed index is 55.
Average Load Time:
610 ms

Page Speed (Google PageSpeed Insights) - Desktop

98
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

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
Largest Contentful Paint 0.9 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Time to Interactive 1.1 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
First Contentful Paint 0.7 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Speed Index 1.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
First Meaningful Paint 0.7 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint 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

Page Speed (Google PageSpeed Insights) - Mobile

55
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

Time to Interactive 5.4 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 3.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Largest Contentful Paint 3.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
First Contentful Paint 2.4 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Total Blocking Time 1,370 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
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 2.4 s
First Meaningful Paint measures when the primary content of a page is visible. Learn more about the First Meaningful Paint metric

Does brilliant-moissanite.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 brilliant-moissanite.com are reduced by 85%.
brilliant-moissanite.com use br compression.
Original size: 26.42 KB
Compressed size: 3.78 KB
File reduced by: 22.65 KB (85%)

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:
  SUSPICIOUS

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. brilliant-moissanite.com supports HTTPS.
 brilliant-moissanite.com supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: brilliant-moissanite.com
Organization:
Location:
Issuer: WE1
Valid from: Jun 14 15:56:38 2024 GMT
Valid until: Sep 12 15:56:37 2024 GMT
Authority: CA:FALSE
Keysize:
Common Name: WE1
Organization: Google Trust Services
Location: US
Issuer: GTS Root R4
Valid from: Dec 13 09:00:00 2023 GMT
Valid until: Feb 20 14:00:00 2029 GMT
Authority: CA:TRUE
Keysize:
Common Name: GTS Root R4
Organization: Google Trust Services LLC
Location: US
Issuer: GlobalSign Root CA
Valid from: Nov 15 03:43:21 2023 GMT
Valid until: Jan 28 00:00:42 2028 GMT
Authority: CA:TRUE
Keysize:

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 brilliant-moissanite.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. 
date: Mon, 24 Jun 2024 02:51:01 GMT
content-type: text/html
location: https://www.brilliant-moissanite.com/
cf-cache-status: DYNAMIC
report-to: {"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=NHmVQK0W7DsxYOgfpFjLglhywc1gt%2FosGftU8%2FjCyaUXuxeEBhUebZwnrvJIcGnBaJDOjvsM8BLGGGy3tuDNbbcE8EbMAMUqwXYcsyPq%2FcayFsmqNfYHmPVqbHt6RNYP0%2FSt%2F6IxJplNE9I%3D"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 898969e7ac0a0280-ORD
alt-svc: h3=":443"; ma=86400

HTTP/2 200 
date: Mon, 24 Jun 2024 02:51:02 GMT
content-type: text/html; charset=utf-8
x-powered-by: PHP/7.3.8
set-cookie: OCSESSID=1d1ff3f94690f1a71dfa7824ed; path=/
set-cookie: OCSESSID=024135fb395d5feec12af67666; path=/
set-cookie: language=en-gb; expires=Wed, 24-Jul-2024 02:51:02 GMT; Max-Age=2592000; path=/; domain=www.brilliant-moissanite.com
set-cookie: currency=USD; expires=Wed, 24-Jul-2024 02:51:02 GMT; Max-Age=2592000; path=/; domain=www.brilliant-moissanite.com
cf-cache-status: DYNAMIC
report-to: {"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=xvgwwCgFjIf5mXRkfT1ZhuNieVs96uPqf%2BrroYpkn0y9%2FJ4t0fdK%2FO8rH7x%2FnM9b65bvIpovmMhZt9%2BUg%2BBcbN7yemC7zZoPzmnBOplItVOYb7Gj0%2BObfmdmc3xVFWDv7apoFUTs98MeF4Ez46pY"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
server: cloudflare
cf-ray: 898969e958932252-ORD
content-encoding: br
alt-svc: h3=":443"; ma=86400

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
HINFO 3600
AAAA 2606:4700:3034::ac43:b2df 242
AAAA 2606:4700:3037::6815:11f1 242
A 172.67.178.223 242
A 104.21.17.241 242
NS arushi.ns.cloudflare.com 172742
NS nolan.ns.cloudflare.com 172742

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 May 14, 2022 and will expire on May 14, 2025 if not renewed. This website is now assigned through the registrar Alibaba Cloud Computing Ltd. d/b/a HiChina (www.ne. The WHOIS data for this website's domain was last updated on October 9, 2023.
Domain Created:
2022-05-14
Domain Expires:
2025-05-14
Domain Updated:
2023-10-09
Domain Age:
2 years 7 months 1 days
Domain Registrar:
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.ne
WhoIs:
 

Domain Name: brilliant-moissanite.com
Registry Domain ID: 2696068238_DOMAIN_COM-VRSN
Registrar WHOIS Server: grs-whois.hichina.com
Registrar URL: http://wanwang.aliyun.com
Updated Date: 2023-10-09T17:08:26Z
Creation Date: 2022-05-14T09:16:19Z
Registrar Registration Expiration Date: 2025-05-14T09:16:19Z
Registrar: Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)
Registrar IANA ID: 1599
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant City: 
Registrant State/Province: guang dong
Registrant Country: CN
Registrant Email:https://whois.aliyun.com/whois/whoisForm
Registry Registrant ID: Not Available From Registry
Name Server: ARUSHI.NS.CLOUDFLARE.COM
Name Server: NOLAN.NS.CLOUDFLARE.COM
DNSSEC: unsigned
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +86.95187
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>>Last update of WHOIS database: 2024-06-24T02:51:57Z