Tools & Wizards About Us
yakei-world.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

yakei-world.com

夜景ワールド | 自分が撮影した夜景マップを作れます

Page Load Speed

3.8 sec in total

First Response

531 ms

Resources Loaded

3.1 sec

Page Rendered

170 ms

yakei-world.com screenshot

About Website

Welcome to yakei-world.com homepage info - get ready to check Yakei World best content for Japan right away, or after learning these important things about yakei-world.com

世界5,000ヶ所以上の夜景スポットを紹介。あなたが訪れた夜景マップも作成できます。

Visit yakei-world.com

Key Findings

We analyzed Yakei-world.com page load time and found that the first response time was 531 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

yakei-world.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value9.3 s

13/100

10%

TBT (Total Blocking Time)

Value2,650 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.416

23/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

yakei-world.com

531 ms

yakei-world.com

1243 ms

style.css

487 ms

funcs.js

520 ms

common.js

572 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 67% of them (28 requests) were addressed to the original Yakei-world.com, 12% (5 requests) were made to Googleads.g.doubleclick.net and 5% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Yakei-world.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 407.9 kB (52%)

Content Size

779.8 kB

After Optimization

371.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yakei-world.com main page is 779.8 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. 35% of websites need less resources to load. Javascripts take 593.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 54.9 kB

  • Original 66.5 kB
  • After minification 65.2 kB
  • After compression 11.6 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 54.9 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 6.1 kB

  • Original 108.0 kB
  • After minification 101.9 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. Yakei World images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 336.9 kB

  • Original 593.7 kB
  • After minification 590.1 kB
  • After compression 256.8 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 336.9 kB or 57% of the original size.

CSS Optimization

-86%

Potential reduce by 10.0 kB

  • Original 11.6 kB
  • After minification 7.5 kB
  • After compression 1.6 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. Yakei-world.com needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (30%)

Requests Now

40

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yakei World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

yakei-world.com

yakei-world.com

531 ms

yakei-world.com

yakei-world.com

1243 ms

style.css

style.css

487 ms

funcs.js

funcs.js

520 ms

common.js

common.js

572 ms

adsbygoogle.js

adsbygoogle.js

206 ms

all.js

all.js

141 ms

yakei_world_logo.jpg

yakei_world_logo.jpg

410 ms

bule_point.gif

bule_point.gif

225 ms

x.gif

x.gif

250 ms

y.gif

y.gif

250 ms

post.jpg

post.jpg

548 ms

39571_s.jpg

39571_s.jpg

436 ms

39566_s.jpg

39566_s.jpg

436 ms

39561_s.jpg

39561_s.jpg

585 ms

39556_s.jpg

39556_s.jpg

657 ms

39554_s.jpg

39554_s.jpg

658 ms

39549_s.jpg

39549_s.jpg

659 ms

39546_s.jpg

39546_s.jpg

659 ms

39540_s.jpg

39540_s.jpg

710 ms

39539_s.jpg

39539_s.jpg

758 ms

39537_s.jpg

39537_s.jpg

806 ms

39536_s.jpg

39536_s.jpg

808 ms

39531_s.jpg

39531_s.jpg

807 ms

39526_s.jpg

39526_s.jpg

808 ms

39525_s.jpg

39525_s.jpg

870 ms

39523_s.jpg

39523_s.jpg

933 ms

39521_s.jpg

39521_s.jpg

992 ms

arrow.gif

arrow.gif

993 ms

show_ads_impl.js

show_ads_impl.js

492 ms

all.js

all.js

9 ms

66 ms

orange_point.gif

orange_point.gif

827 ms

analytics.js

analytics.js

27 ms

collect

collect

15 ms

collect

collect

23 ms

ga-audiences

ga-audiences

26 ms

zrt_lookup.html

zrt_lookup.html

36 ms

ads

ads

349 ms

ads

ads

324 ms

ads

ads

274 ms

ads

ads

321 ms

Accessibility Review

yakei-world.com accessibility score

76

Accessibility Issues

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.

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

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

yakei-world.com best practices score

83

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

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

yakei-world.com SEO score

85

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

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

    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 Yakei-world.com 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 Yakei-world.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

yakei-world.com

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