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yairi.co.jp screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

yairi.co.jp

Yairi Guitar　ヤイリギター

Page Load Speed

6.4 sec in total

First Response

553 ms

Resources Loaded

5.6 sec

Page Rendered

265 ms

yairi.co.jp screenshot

About Website

Visit yairi.co.jp now to see the best up-to-date Yairi content for Japan and also check out these interesting facts you probably never knew about yairi.co.jp

Yairi Guitar／ヤイリギター

Visit yairi.co.jp

Key Findings

We analyzed Yairi.co.jp page load time and found that the first response time was 553 ms and then it took 5.9 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

yairi.co.jp performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

yairi.co.jp

553 ms

yairi.co.jp

835 ms

normalize.min.css

498 ms

main.css

499 ms

page-index.css

499 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 68% of them (40 requests) were addressed to the original Yairi.co.jp, 12% (7 requests) were made to Youtube.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Yairi.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.2 kB (6%)

Content Size

1.0 MB

After Optimization

942.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yairi.co.jp main page is 1.0 MB. 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. Images take 617.6 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 9.7 kB

  • Original 14.4 kB
  • After minification 14.0 kB
  • After compression 4.7 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 9.7 kB or 67% of the original size.

Image Optimization

-1%

Potential reduce by 6.7 kB

  • Original 617.6 kB
  • After minification 610.9 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. Yairi images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 41.1 kB

  • Original 302.0 kB
  • After minification 302.0 kB
  • After compression 260.9 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 41.1 kB or 14% of the original size.

CSS Optimization

-4%

Potential reduce by 2.8 kB

  • Original 69.1 kB
  • After minification 69.1 kB
  • After compression 66.3 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. Yairi.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (44%)

Requests Now

54

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yairi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yairi.co.jp

yairi.co.jp

553 ms

yairi.co.jp

yairi.co.jp

835 ms

normalize.min.css

normalize.min.css

498 ms

main.css

main.css

499 ms

page-index.css

page-index.css

499 ms

colorbox.css

colorbox.css

506 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

529 ms

jquery.min.js

jquery.min.js

17 ms

plugins.js

plugins.js

713 ms

main.js

main.js

1009 ms

jquery.mb.YTPlayer.min.js

jquery.mb.YTPlayer.min.js

1011 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

1037 ms

bg-header.png

bg-header.png

511 ms

logo.png

logo.png

510 ms

globalnav.gif

globalnav.gif

749 ms

twitterlogo.png

twitterlogo.png

960 ms

instalogo.png

instalogo.png

975 ms

facebooklogo.png

facebooklogo.png

1019 ms

main.jpg

main.jpg

1706 ms

copy.png

copy.png

1029 ms

bg-index_pickup.png

bg-index_pickup.png

1162 ms

pickup_tit.png

pickup_tit.png

1471 ms

pickup-1.jpg

pickup-1.jpg

1815 ms

pickup-2.jpg

pickup-2.jpg

1857 ms

pickup-3.jpg

pickup-3.jpg

1712 ms

pickup-4.jpg

pickup-4.jpg

1843 ms

pickup-5.jpg

pickup-5.jpg

2175 ms

news_tit.png

news_tit.png

2211 ms

sprite.png

sprite.png

2245 ms

nopict.png

nopict.png

2521 ms

bg-movieBnr.jpg

bg-movieBnr.jpg

2892 ms

movie_tit.png

movie_tit.png

2522 ms

bg-footer.jpg

bg-footer.jpg

3087 ms

logo-s.png

logo-s.png

2890 ms

analytics.js

analytics.js

42 ms

bannerUnder.html

bannerUnder.html

2401 ms

player_api

player_api

55 ms

raster_dot.png

raster_dot.png

2390 ms

collect

collect

13 ms

www-widgetapi.js

www-widgetapi.js

3 ms

js

js

67 ms

gC8zys2fmbA

gC8zys2fmbA

181 ms

gC8zys2fmbA

gC8zys2fmbA

109 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

39 ms

base.js

base.js

67 ms

ad_status.js

ad_status.js

132 ms

jj2eNDzr7OxRmG3eEZdf1bHpefYrrxl4VJQY9raQMR0.js

jj2eNDzr7OxRmG3eEZdf1bHpefYrrxl4VJQY9raQMR0.js

109 ms

embed.js

embed.js

34 ms

id

id

44 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

128 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

129 ms

Create

Create

115 ms

1_1_org.jpg

1_1_org.jpg

773 ms

3_1_org.png

3_1_org.png

509 ms

2_1_org.jpg

2_1_org.jpg

509 ms

6_1_org.jpg

6_1_org.jpg

519 ms

4_1_org.jpg

4_1_org.jpg

523 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

yairi.co.jp accessibility score

77

Accessibility Issues

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

yairi.co.jp best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yairi.co.jp SEO score

58

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yairi.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Yairi.co.jp 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

yairi.co.jp

Open Graph description is not detected on the main page of Yairi. 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: