Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

yamakobus.co.jp

山交バス株式会社

Page Load Speed

1.5 sec in total

First Response

523 ms

Resources Loaded

938 ms

Page Rendered

87 ms

yamakobus.co.jp screenshot

About Website

Click here to check amazing Yamakobus content for Taiwan. Otherwise, check out these important facts you probably never knew about yamakobus.co.jp

山交バス株式会社のホームページです。山形県村山、置賜、最上地域を中心に路線バス・高速バス・貸切バスを運行しております。その他、一般車検・整備も行っております。

Visit yamakobus.co.jp

Key Findings

We analyzed Yamakobus.co.jp page load time and found that the first response time was 523 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

yamakobus.co.jp performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.2 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.073

96/100

15%

TTI (Time to Interactive)

Value28.1 s

0/100

10%

Network Requests Diagram

yamakobus.co.jp

523 ms

all.css

39 ms

css2

34 ms

style.css

177 ms

logo01.png

356 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 33% of them (3 requests) were addressed to the original Yamakobus.co.jp, 33% (3 requests) were made to Use.fontawesome.com and 22% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (523 ms) belongs to the original domain Yamakobus.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 kB (12%)

Content Size

19.3 kB

After Optimization

17.1 kB

In fact, the total size of Yamakobus.co.jp main page is 19.3 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. CSS take 13.5 kB which makes up the majority of the site volume.

HTML Optimization

-48%

Potential reduce by 890 B

  • Original 1.9 kB
  • After minification 1.8 kB
  • After compression 963 B

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 890 B or 48% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.9 kB
  • After minification 3.9 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. Yamakobus images are well optimized though.

CSS Optimization

-10%

Potential reduce by 1.3 kB

  • Original 13.5 kB
  • After minification 12.9 kB
  • After compression 12.2 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. Yamakobus.co.jp has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yamakobus. According to our analytics all requests are already optimized.

Accessibility Review

yamakobus.co.jp accessibility score

88

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-hidden="true"] elements contain focusable descendents

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

High

Links do not have a discernible name

Best Practices

yamakobus.co.jp 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

High

Page has valid source maps

SEO Factors

yamakobus.co.jp SEO score

90

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

High

Tap targets are not sized appropriately

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 Yamakobus.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 Yamakobus.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

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