Tools & Wizards About Us
zenkei.net screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

zenkei.net

今すぐお部屋の中がご覧いただけます。zenkeiで体感してください！！

Page Load Speed

9.3 sec in total

First Response

1.1 sec

Resources Loaded

7.9 sec

Page Rendered

355 ms

zenkei.net screenshot

About Website

Welcome to zenkei.net homepage info - get ready to check Zenkei best content for Japan right away, or after learning these important things about zenkei.net

Visit zenkei.net

Key Findings

We analyzed Zenkei.net page load time and found that the first response time was 1.1 sec and then it took 8.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zenkei.net performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value4,350 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

zenkei.net

1104 ms

gadgets.css

579 ms

common.css

586 ms

js

44 ms

zenkeisaas.aspx

1148 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 40% of them (29 requests) were addressed to the original Zenkei.net, 30% (22 requests) were made to Maps.google.com and 12% (9 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Gadgets.zenkei.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 391.9 kB (40%)

Content Size

991.4 kB

After Optimization

599.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zenkei.net main page is 991.4 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. 60% of websites need less resources to load. Javascripts take 486.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 44.7 kB

  • Original 54.0 kB
  • After minification 51.3 kB
  • After compression 9.3 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 44.7 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 14.8 kB

  • Original 438.0 kB
  • After minification 423.2 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. Zenkei images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 322.7 kB

  • Original 486.9 kB
  • After minification 486.6 kB
  • After compression 164.2 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 322.7 kB or 66% of the original size.

CSS Optimization

-78%

Potential reduce by 9.8 kB

  • Original 12.5 kB
  • After minification 9.5 kB
  • After compression 2.7 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. Zenkei.net needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (49%)

Requests Now

65

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenkei. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zenkei.net

zenkei.net

1104 ms

gadgets.css

gadgets.css

579 ms

common.css

common.css

586 ms

js

js

44 ms

zenkeisaas.aspx

zenkeisaas.aspx

1148 ms

gadget.js

gadget.js

576 ms

urchin.js

urchin.js

21 ms

background_image.png

background_image.png

322 ms

content_background.png

content_background.png

288 ms

background_headder.png

background_headder.png

282 ms

zenkei_searchgdget_logo.png

zenkei_searchgdget_logo.png

587 ms

zlist_over.png

zlist_over.png

498 ms

zlist_under.png

zlist_under.png

509 ms

background_footer.png

background_footer.png

752 ms

__utm.gif

__utm.gif

10 ms

common.js

common.js

21 ms

map.js

map.js

19 ms

overlay.js

overlay.js

20 ms

loading.gif

loading.gif

244 ms

tableftE.png

tableftE.png

366 ms

tabrightE.png

tabrightE.png

373 ms

tableftB.png

tableftB.png

357 ms

tabrightB.png

tabrightB.png

359 ms

flag.gif

flag.gif

373 ms

flag_Selected.gif

flag_Selected.gif

369 ms

home_red.gif

home_red.gif

536 ms

home_red_Selected.gif

home_red_Selected.gif

605 ms

mansion.gif

mansion.gif

578 ms

mansion_Selected.gif

mansion_Selected.gif

531 ms

home_brown.gif

home_brown.gif

598 ms

home_brown_Selected.gif

home_brown_Selected.gif

575 ms

home_gray.gif

home_gray.gif

789 ms

home_gray_Selected.gif

home_gray_Selected.gif

752 ms

home_blue.gif

home_blue.gif

835 ms

home_blue_Selected.gif

home_blue_Selected.gif

839 ms

home_green.gif

home_green.gif

866 ms

home_green_Selected.gif

home_green_Selected.gif

861 ms

util.js

util.js

19 ms

onion.js

onion.js

17 ms

openhand_8_8.cur

openhand_8_8.cur

36 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

92 ms

stats.js

stats.js

26 ms

controls.js

controls.js

23 ms

transparent.png

transparent.png

19 ms

css

css

36 ms

google4.png

google4.png

23 ms

marker.js

marker.js

21 ms

mapcnt6.png

mapcnt6.png

59 ms

sv5.png

sv5.png

60 ms

tmapctrl.png

tmapctrl.png

28 ms

cb_scout5.png

cb_scout5.png

31 ms

tmapctrl4.png

tmapctrl4.png

29 ms

imgs8.png

imgs8.png

29 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

41 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

118 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

123 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

123 ms

vt

vt

94 ms

vt

vt

99 ms

vt

vt

87 ms

vt

vt

85 ms

vt

vt

94 ms

vt

vt

89 ms

vt

vt

92 ms

vt

vt

88 ms

vt

vt

90 ms

vt

vt

93 ms

vt

vt

96 ms

vt

vt

97 ms

vt

vt

98 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

267 ms

loader.gif

loader.gif

219 ms

items.aspx

items.aspx

4316 ms

Accessibility Review

zenkei.net accessibility score

82

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

button, link, and menuitem elements do not have accessible names.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

zenkei.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zenkei.net SEO score

62

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zenkei.net can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zenkei.net 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

zenkei.net

Open Graph description is not detected on the main page of Zenkei. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: