sherwin-williams.com Sherwin-williams.com

   
Sherwin-Williams Paints, Stains, Supplies and Coating Solutions

Domain Summary

What is the traffic rank for Sherwin-williams.com?

• Sherwin-williams.com ranks #8,084 globally on HypeStat.

What percent of global Internet users visit Sherwin-williams.com?

0.0037358% of global Internet users visit Sherwin-williams.com

How many people visit Sherwin-williams.com each day?

• Sherwin-williams.com receives approximately 184.2K visitors and 1,098,017 page impressions per day.

Which countries does Sherwin-williams.com receive most of its visitors from?

• Sherwin-williams.com is mostly visited by people located in United States,Canada,India.

How much Sherwin-williams.com can earn?

• Sherwin-williams.com should earn about $5,258.61/day from advertising revenue.

What is Sherwin-williams.com estimated value?

• Estimated value of Sherwin-williams.com is $6,237,799.61.

What IP addresses does Sherwin-williams.com resolve to?

• Sherwin-williams.com resolves to the IP addresses 148.141.109.36.

Where are Sherwin-williams.com servers located in?

• Sherwin-williams.com has servers located in Cleveland, OH, 44115, United States.

sherwin-williams.com Profile

About: No matter where you are in the world or what surfaces you're painting or coating, Sherwin-Williams provides innovative paint solutions that ensure your success. Edit Site Info

What technologies does sherwin-williams.com use?

These are the technologies used at sherwin-williams.com. sherwin-williams.com has a total of 12 technologies installed in 11 different categories.

sherwin-williams.com Traffic Analysis

Sherwin-williams.com is ranked #8,084 in the world. This website is viewed by an estimated 184.2K visitors daily, generating a total of 1.1M pageviews. This equates to about 5.6M monthly visitors. Sherwin-williams.com traffic has increased by 9.87% compared to last month.
Daily Visitors184.2K
7.22%
Monthly Visits5.6M
9.87%
Pages per Visit5.96
9.65%
Visit duration04:08
29.74%
Bounce Rate46.13%
3.51%
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
184,172
Monthly Visits:
5,580,412
Pages per Visit:
5.96
Daily Pageviews:
1,098,017
Avg. visit duration:
04:08
Bounce rate:
46.13%
Global Reach:
0.0037358%
Monthly Visits (SEMrush):
3,681,077
Monthly Unique Visitors (SEMrush):
2,056,703
Monthly Visits (SimilarWeb):
5,416,837
HypeRank:
8,084
SEMrush Rank:
762
SimilarWeb Rank:
8,769
*All traffic values are estimates only.

Traffic sources

Direct:
43.44%
Referral:
4.56%
Search:
49.51%
Social:
1.41%
Paid:
1.07%

Desktop vs Mobile

Desktop:
43.88%
Mobile:
56.12%

Total Visits Last 3 Months

4.9M
APR
5.1M
MAY
5.6M
JUN

Visitors by country

Country
Users%
 
United States 92.47%
 
Canada 3.10%
 
India 0.72%
 
Dominican Republic 0.36%
 
United Kingdom 0.36%

Where do visitors go on sherwin-williams.com?

 
Reach%Pageviews%PerUser
sherwin-williams.com
94.93%96.77%5.7
industrial.sherwin-williams.com
2.09%0.66%2
images.sherwin-williams.com
1.93%0.82%2
colorchips.sherwin-williams.com
1.49%0.37%1
careers.sherwin-williams.com
1.40%0.25%1

Which sites are competitors to sherwin-williams.com?

Websites similar to sherwin-williams.com 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 677 days ago
     
This can take up to 60 seconds. Please wait...

*HypeStat.com is not promoting or affiliated with sherwin-williams.com 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:
5,470

 

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:
  sherwin-williams.com
Rank:
(Rank based on keywords, cost and organic traffic)
  762
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  454,960
Organic Traffic:
(Number of visitors coming from top 20 search results)
  4,252,205
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $2,619,642.00

Revenue report

Google.com would generate approximately $5.3K per day if the source of income were advertisements, which equates to an estimated monthly revenue of $157.8K and annual gross revenue of approximately $1.9M. Based on these figures, the site's net worth is estimated at around $6.2M.

How much would sherwin-williams.com make?

Daily Revenue:
$5,258.61
Monthly Revenue:
$157,758.30
Yearly Revenue:
$1,919,392.65
*All earnings values are estimates only.

Daily earning by country

 
CountryPageviewsEarning
 
United States 1,015,291$4,903.86
 
Canada 34,051$205.67
 
United Kingdom 3,992$10.70
 
India 7,863$2.99
 
Dominican Republic 3,985$1.43

Loss of money due to Adblock?

Daily Revenue Loss:
$936.72
Monthly Revenue Loss:
$28,101.51
Yearly Revenue Loss:
$341,901.76
Daily Pageviews Blocked:
194,265
Monthly Pageviews Blocked:
5,827,952
Yearly Pageviews Blocked:
70,906,749

Daily revenue loss by country

 
CountryBlockedLost Money
 
United States 182,752$882.69
 
Canada 8,513$51.42
 
United Kingdom 639$1.71
 
India 2,202$0.84
 
Dominican Republic 159$0.06

How much is sherwin-williams.com worth?

Website Value:
$6.2M

Ad Experience Report

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

Mobile summary

Root domain:
sherwin-williams.com
Last Change Time:
(The last time that the site changed status.)
2018-05-23 03:44:13
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.)
Passing

Desktop summary

Root domain:
sherwin-williams.com
Last Change Time:
(The last time that the site changed status.)
2018-05-22 10:44:50
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.)
Passing

Abusive Experience Report

Summary of the abusive experience rating of a website.
Root domain:
sherwin-williams.com
Last Change Time:
(The last time that the site changed status.)
2018-05-23 03:44:13
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.)
Passing

Where is sherwin-williams.com hosted?

Sherwin-williams.com may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
148.141.109.36
ASN:
AS18844 
ISP:
The Sherwin Williams Company 
Server Location:
Cleveland
OH
44115
United States, US
 

Other sites hosted on 148.141.109.36

How fast does sherwin-williams.com load?

The average loading time of sherwin-williams.com is 411 ms. The Desktop speed index is 54 and mobile speed index is 96.
Average Load Time:
411 ms

Page Speed (Google PageSpeed Insights) - Desktop

54
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


Page Speed (Google PageSpeed Insights) - Mobile

96
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

Does sherwin-williams.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 sherwin-williams.com are reduced by 93%.
sherwin-williams.com use gzip compression.
Original size: 1.04 MB
Compressed size: 73.41 KB
File reduced by: 992.39 KB (93%)

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. sherwin-williams.com has 93 Safety Reputations.
Status:
  SAFE
Safety Reputations:
  93
Safety Confidence:
  43
Child Safety Reputations:
  95
Child Safety Confidence:
  40

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. sherwin-williams.com supports HTTPS.
 sherwin-williams.com supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: sherwin-williams.com
Organization: The Sherwin-Williams Company
Location: Cleveland, Ohio, US
Issuer: DigiCert Global G3 TLS ECC SHA384 2020 CA1
Valid from: Mar 22 00:00:00 2023 GMT
Valid until: Mar 21 23:59:59 2024 GMT
Authority: CA:FALSE
Keysize:
Common Name: DigiCert Global G3 TLS ECC SHA384 2020 CA1
Organization: DigiCert Inc
Location: US
Issuer: DigiCert Global Root G3
Valid from: Apr 14 00:00:00 2021 GMT
Valid until: Apr 13 23:59:59 2031 GMT
Authority: CA:TRUE
Keysize:
Common Name: DigiCert Global Root G3
Organization: DigiCert Inc, OU = www.digicert.com
Location: US
Issuer: DigiCert Global Root G3
Valid from: Aug 1 12:00:00 2013 GMT
Valid until: Jan 15 12:00:00 2038 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.
 sherwin-williams.com supports HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Site Categories

Website categories are used to classify websites based on their content or purpose. These categories provide a way to organize and filter websites, allowing users to find relevant information or ensure compliance with specific regulations or policies.
Chemicals/Coatings and Adhesives

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.
location: https://www.sherwin-williams.com/
Connection: Keep-Alive
Content-Length: 67

HTTP/2 200 
content-type: text/html; charset=UTF-8
strict-transport-security: max-age=31536000; includeSubDomains
x-oneagent-js-injection: true
x-frame-options: SAMEORIGIN
pragma: no-cache
vary: Accept-Encoding
x-ua-compatible: IE=edge
p3p: CP='OTI DSP LAW CUR ADMo DEVo TAIo PSAo PSDo IVA CONi HIS OTPi OUR SAM LEG CNT'
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
content-language: en-US
p3p: CP="{}"
x-akamai-transformed: 9 - 0 pmb=mRUM,2
content-encoding: gzip
cache-control: max-age=86363
expires: Tue, 08 Aug 2023 07:10:58 GMT
date: Mon, 07 Aug 2023 07:11:35 GMT
server-timing: cdn-cache; desc=HIT
server-timing: edge; dur=1
server-timing: dtSInfo;desc="0", dtRpid;desc="1617505348"
x-akam-sw-version: 0.5.0
content-security-policy: frame-ancestors https://blog.sherwin-williams.com https://www.sherwin-williams.com https://*.sherwin-williams.com
server-timing: ak_p; desc="1691392295363_400281453_129405556_25_2037_51_0_15";dur=1

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
CAA entrust.net 3531
CAA digicert.com 3531
TXT facebook-domain-verification=i9s9xhjkp5s5o8yw5uip47z1qpvpp2 3531
TXT blc48n6jg9p7d3j6n197wz98l5wvgsmc 3531
TXT v=spf1 mx ip4:148.141.0.0/16 include:spf.protection.outlook.com include:cust.wombatsecurity.com include:_spf.salesforce.com include:mailgun.org ~all 3531
TXT google-site-verification=TbExqt4s_6hNu_M7g8yvfLkJLHhbjZ6iEFj9FVaO-Ys 3531
TXT MS=ms56811487 3531
MX emhost60.sherwin.com 3531
MX emhost63.sherwin.com 3531
MX emhost61.sherwin.com 3531
MX emhost64.sherwin.com 3531
MX emhost65.sherwin.com 3531
MX emhost62.sherwin.com 3531
SOA 3531
Mname ns1.sherwin.com
Rname hostmaster.sherwin.com
Serial Number 2018081765
Refresh 14400
Retry 3600
Expire 2592000
Minimum TTL 300
A 148.141.109.36 3529
NS ns3.level3.net 3514
NS ns4.level3.net 3514
NS ns2.sherwin.com 3514
NS ns1.sherwin.com 3514

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 January 6, 1998 and will expire on January 5, 2024 if not renewed. This website is now assigned through the registrar GoDaddy Corporate Domains, LLC. The WHOIS data for this website's domain was last updated on May 23, 2022.
Domain Created:
1998-01-06
Domain Expires:
2024-01-05
Domain Updated:
2022-05-23
Domain Age:
27 years 5 months 8 days
Domain Registrar:
GoDaddy Corporate Domains, LLC
Domain Owner:
Brandsight Privacy Customer 153620
WhoIs:
 

Domain Name: sherwin-williams.com
Registry Domain ID: 1925139_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.brandsight.com
Registrar URL: https://gcd.com
Updated Date: 2022-05-23T16:24:07Z
Creation Date: 1998-01-06T05:00:00Z
Registrar Registration Expiration Date: 2024-01-05T05:00:00Z
Registrar: GoDaddy Corporate Domains, LLC
Registrar IANA ID: 3786
Registrar Abuse Contact Email: email
Registrar Abuse Contact Phone: +1.5188315864
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: serverDeleteProhibited https://icann.org/epp#serverDeleteProhibited
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
Domain Status: serverUpdateProhibited https://icann.org/epp#serverUpdateProhibited
Registry Registrant ID: Not Available From Registry
Registrant Name: Brandsight Privacy Customer 153620
Registrant Organization: 
Registrant Street: PO Box 190899
Registrant City: Boise
Registrant State/Province: ID
Registrant Postal Code: 83719
Registrant Country: US
Registrant Phone: +1.2084252575
Registrant Phone Ext:
Registrant Fax: 
Registrant Fax Ext:
Registrant Email: email
Registry Admin ID: Not Available From Registry
Admin Name: Brandsight Privacy Customer 153620
Admin Organization: 
Admin Street: PO Box 190899
Admin City: Boise
Admin State/Province: ID
Admin Postal Code: 83719
Admin Country: US
Admin Phone: +1.2084252575
Admin Phone Ext:
Admin Fax: 
Admin Fax Ext:
Admin Email: email
Registry Tech ID: Not Available From Registry
Tech Name: Brandsight Privacy Customer 153620
Tech Organization: 
Tech Street: PO Box 190899
Tech City: Boise
Tech State/Province: ID
Tech Postal Code: 83719
Tech Country: US
Tech Phone: +1.2084252575
Tech Phone Ext:
Tech Fax: 
Tech Fax Ext:
Tech Email: email
Name Server: NS3.LEVEL3.NET
Name Server: NS4.LEVEL3.NET
Name Server: NS1.SHERWIN.COM
Name Server: NS2.SHERWIN.COM
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2023-08-07T07:12:44Z