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tri-star.co.jp screenshot

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

tri-star.co.jp

Racers'Cafe TOKYO EBISU 【レーサーズカフェ】

Page Load Speed

7.3 sec in total

First Response

920 ms

Resources Loaded

5.9 sec

Page Rendered

507 ms

tri-star.co.jp screenshot

About Website

Welcome to tri-star.co.jp homepage info - get ready to check Tri Star best content for Japan right away, or after learning these important things about tri-star.co.jp

1970年代～1980年代を中心に、勿論現代のモータースポーツの映像も楽しめるスポーツバーです。『美味しい・楽しい』をモットーにスタッフ一同笑顔でお待ちしております。

Visit tri-star.co.jp

Key Findings

We analyzed Tri-star.co.jp page load time and found that the first response time was 920 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

tri-star.co.jp performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

tri-star.co.jp

920 ms

bace.css

728 ms

slicebox.css

562 ms

jquery.min.js

1505 ms

common.js

394 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 50% of them (29 requests) were addressed to the original Tri-star.co.jp, 16% (9 requests) were made to Calendar.google.com and 12% (7 requests) were made to Clients6.google.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Tri-star.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 468.5 kB (9%)

Content Size

5.3 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tri-star.co.jp main page is 5.3 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. 30% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 9.6 kB

  • Original 13.5 kB
  • After minification 11.6 kB
  • After compression 3.9 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. This page needs HTML code to be minified as it can gain 1.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 9.6 kB or 71% of the original size.

Image Optimization

-4%

Potential reduce by 187.4 kB

  • Original 4.9 MB
  • After minification 4.7 MB

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. Tri Star images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 243.8 kB

  • Original 380.4 kB
  • After minification 366.0 kB
  • After compression 136.7 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 243.8 kB or 64% of the original size.

CSS Optimization

-79%

Potential reduce by 27.8 kB

  • Original 35.3 kB
  • After minification 29.9 kB
  • After compression 7.4 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. Tri-star.co.jp needs all CSS files to be minified and compressed as it can save up to 27.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (39%)

Requests Now

57

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tri Star. 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

tri-star.co.jp

tri-star.co.jp

920 ms

bace.css

bace.css

728 ms

slicebox.css

slicebox.css

562 ms

jquery.min.js

jquery.min.js

1505 ms

common.js

common.js

394 ms

endless_scroll_min.js

endless_scroll_min.js

395 ms

smoothscroll.js

smoothscroll.js

365 ms

modernizr.custom.46884.js

modernizr.custom.46884.js

593 ms

jquery.slicebox.js

jquery.slicebox.js

564 ms

footerFixed.js

footerFixed.js

200 ms

bg.png

bg.png

183 ms

heder_bg.png

heder_bg.png

594 ms

header_contents_bg.png

header_contents_bg.png

378 ms

logo.png

logo.png

595 ms

icon_mail.png

icon_mail.png

190 ms

icon_facebook.png

icon_facebook.png

183 ms

icon_twitter.png

icon_twitter.png

361 ms

slider_outside02.png

slider_outside02.png

2917 ms

slider_interior03.png

slider_interior03.png

2258 ms

slider_coaster.png

slider_coaster.png

2904 ms

slider_interior02.png

slider_interior02.png

2453 ms

slider_cup01.png

slider_cup01.png

3156 ms

slider_maker.png

slider_maker.png

2983 ms

shadow.png

shadow.png

2447 ms

top_topic_info_20160309.png

top_topic_info_20160309.png

2647 ms

sdk.js

sdk.js

23 ms

embed

embed

599 ms

h2_calendar.png

h2_calendar.png

2639 ms

footer_bg.png

footer_bg.png

2826 ms

fotter_logo.png

fotter_logo.png

2828 ms

copyright.png

copyright.png

3014 ms

analytics.js

analytics.js

45 ms

24 ms

xd_arbiter.php

xd_arbiter.php

19 ms

xd_arbiter.php

xd_arbiter.php

25 ms

979b49df4ebf2506acdc41045b4c0329embedcompiled_fastui.css

979b49df4ebf2506acdc41045b4c0329embedcompiled_fastui.css

16 ms

979b49df4ebf2506acdc41045b4c0329embedcompiled__en.js

979b49df4ebf2506acdc41045b4c0329embedcompiled__en.js

48 ms

client.js

client.js

62 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

5 ms

postmessageRelay

postmessageRelay

34 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

24 ms

rpc:shindig_random.js

rpc:shindig_random.js

28 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

logo-plus.png

logo-plus.png

41 ms

googlelogo_color_46x16dp.png

googlelogo_color_46x16dp.png

45 ms

proxy.html

proxy.html

83 ms

blank.gif

blank.gif

14 ms

menu_arrow_open.gif

menu_arrow_open.gif

11 ms

icon_print.gif

icon_print.gif

21 ms

btn_menu6.gif

btn_menu6.gif

34 ms

combined_v22.png

combined_v22.png

35 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

3 ms

events

events

152 ms

events

events

83 ms

events

events

108 ms

events

events

129 ms

events

events

104 ms

events

events

176 ms

Accessibility Review

tri-star.co.jp accessibility score

55

Accessibility Issues

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

Best Practices

tri-star.co.jp best practices score

67

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

tri-star.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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tri-star.co.jp 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 Tri-star.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

tri-star.co.jp

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