Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

busnavi.co.jp

貸切バス予約なら《バスなび™》 - 安全・安心・快適な貸切バスを格安で

Page Load Speed

9 sec in total

First Response

521 ms

Resources Loaded

7.7 sec

Page Rendered

781 ms

busnavi.co.jp screenshot

About Website

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

貸切バスをお探しなら日本全国対応の《バスなび》。お見積りは無料、24時間以内に回答。選べる3タイプの料金プランでご要望通りの貸切バスをご用意。詳細未定でも経験豊富なオペレーターがご要望をお伺いします。

Visit busnavi.co.jp

Key Findings

We analyzed Busnavi.co.jp page load time and found that the first response time was 521 ms and then it took 8.5 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

busnavi.co.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.476

18/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

busnavi.co.jp

521 ms

www.busnav.jp

542 ms

www.busnav.jp

3145 ms

gtm.js

45 ms

ytag.js

740 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Busnavi.co.jp, 75% (92 requests) were made to Busnav.jp and 3% (4 requests) were made to Seal.globalsign.com. The less responsive or slowest element that took the longest time to load (3.1 sec) relates to the external source Busnav.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.9 kB (14%)

Content Size

2.0 MB

After Optimization

1.7 MB

In fact, the total size of Busnavi.co.jp main page is 2.0 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 89.9 kB

  • Original 112.0 kB
  • After minification 90.0 kB
  • After compression 22.1 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 21.9 kB, which is 20% 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 89.9 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 32.4 kB

  • Original 1.5 MB
  • After minification 1.4 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. Busnavi images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 58.9 kB

  • Original 265.3 kB
  • After minification 260.5 kB
  • After compression 206.4 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 58.9 kB or 22% of the original size.

CSS Optimization

-71%

Potential reduce by 87.7 kB

  • Original 122.7 kB
  • After minification 101.5 kB
  • After compression 35.0 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. Busnavi.co.jp needs all CSS files to be minified and compressed as it can save up to 87.7 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (33%)

Requests Now

117

After Optimization

78

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Busnavi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

busnavi.co.jp accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

busnavi.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

SEO Factors

busnavi.co.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Busnavi.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 Busnavi.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 Busnavi. 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: