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z.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

z.com

Top | GMO's Global Brand "Z.com"

Page Load Speed

7 sec in total

First Response

596 ms

Resources Loaded

6.3 sec

Page Rendered

160 ms

z.com screenshot

About Website

Welcome to z.com homepage info - get ready to check Z best content for Thailand right away, or after learning these important things about z.com

"Z.com" is a unified brand (global brand) for global business of GMO Internet Group.

Visit z.com

Key Findings

We analyzed Z.com page load time and found that the first response time was 596 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

z.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

z.com

596 ms

z.com

1299 ms

zcom_global.css

1076 ms

zcom_service.css

1066 ms

style.css

1765 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 73% of them (43 requests) were addressed to the original Z.com, 8% (5 requests) were made to Use.typekit.net and 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Z.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.9 kB (11%)

Content Size

560.4 kB

After Optimization

497.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Z.com main page is 560.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 340.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 20.1 kB

  • Original 24.6 kB
  • After minification 22.4 kB
  • After compression 4.5 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.1 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 10.6 kB

  • Original 340.2 kB
  • After minification 329.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Z images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 32.0 kB

  • Original 171.1 kB
  • After minification 171.1 kB
  • After compression 139.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.0 kB or 19% of the original size.

CSS Optimization

-1%

Potential reduce by 170 B

  • Original 24.5 kB
  • After minification 24.5 kB
  • After compression 24.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Z.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (15%)

Requests Now

52

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

z.com

z.com

596 ms

z.com

z.com

1299 ms

zcom_global.css

zcom_global.css

1076 ms

zcom_service.css

zcom_service.css

1066 ms

style.css

style.css

1765 ms

tzh4zqg.js

tzh4zqg.js

59 ms

zcom_script.min.js

zcom_script.min.js

1028 ms

script.min.js

script.min.js

184 ms

zcom_logo.png

zcom_logo.png

256 ms

gmo_footer_logo.png

gmo_footer_logo.png

294 ms

zcom_domain_logo.png

zcom_domain_logo.png

293 ms

zcom_hosting_logo.png

zcom_hosting_logo.png

299 ms

zcom_wp_logo.png

zcom_wp_logo.png

1056 ms

zcom_cloud_logo.png

zcom_cloud_logo.png

1151 ms

zcom_ssl_logo.png

zcom_ssl_logo.png

545 ms

gtm.js

gtm.js

151 ms

zcom_logo.svg

zcom_logo.svg

575 ms

gmo_footer_logo.svg

gmo_footer_logo.svg

587 ms

bg_top.jpg

bg_top.jpg

1583 ms

home-nav-domain.png

home-nav-domain.png

830 ms

home-nav-domain_on.png

home-nav-domain_on.png

869 ms

home-nav-hosting.png

home-nav-hosting.png

881 ms

home-nav-hosting_on.png

home-nav-hosting_on.png

1119 ms

home-nav-wp.png

home-nav-wp.png

1166 ms

home-nav-wp_on.png

home-nav-wp_on.png

1178 ms

home-nav-cloud.png

home-nav-cloud.png

1348 ms

home-nav-cloud_on.png

home-nav-cloud_on.png

1422 ms

home-nav-ssl.png

home-nav-ssl.png

1435 ms

home-nav-ssl_on.png

home-nav-ssl_on.png

1468 ms

home-nav-storeapp.png

home-nav-storeapp.png

1473 ms

home-nav-storeapp_on.png

home-nav-storeapp_on.png

1651 ms

home-nav-trade.png

home-nav-trade.png

1712 ms

home-nav-trade_on.png

home-nav-trade_on.png

1728 ms

home-nav-gyen.png

home-nav-gyen.png

1754 ms

home-nav-gyen_on.png

home-nav-gyen_on.png

1762 ms

home-nav-zusd.png

home-nav-zusd.png

1844 ms

home-nav-zusd_on.png

home-nav-zusd_on.png

1917 ms

home-panel-philosophy.jpg

home-panel-philosophy.jpg

2012 ms

home-panel-history.png

home-panel-history.png

2025 ms

home-panel-responsibility.png

home-panel-responsibility.png

2046 ms

home-panel-global.png

home-panel-global.png

2018 ms

home-panel-overview.jpg

home-panel-overview.jpg

2147 ms

bg_sns_fb.png

bg_sns_fb.png

2213 ms

bg_sns_tw.png

bg_sns_tw.png

2307 ms

service_footer_map.png

service_footer_map.png

2309 ms

d

d

12 ms

d

d

32 ms

d

d

60 ms

d

d

20 ms

analytics.js

analytics.js

23 ms

p.gif

p.gif

40 ms

linkid.js

linkid.js

6 ms

collect

collect

17 ms

collect

collect

20 ms

collect

collect

23 ms

collect

collect

18 ms

zcom_icon.woff

zcom_icon.woff

2553 ms

ga-audiences

ga-audiences

287 ms

style.css

style.css

9 ms

Accessibility Review

z.com accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

z.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

z.com SEO score

71

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

High

robots.txt is not valid

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Z.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

z.com

Open Graph data is detected on the main page of Z. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: