Tools & Wizards About Us
bikan.info screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

bikan.info

倉敷の文化遺産

Page Load Speed

2.7 sec in total

First Response

531 ms

Resources Loaded

2.1 sec

Page Rendered

108 ms

bikan.info screenshot

About Website

Visit bikan.info now to see the best up-to-date Bikan content and also check out these interesting facts you probably never knew about bikan.info

倉敷美観地区の文化遺産を紹介します

Visit bikan.info

Key Findings

We analyzed Bikan.info page load time and found that the first response time was 531 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster. This domain responded with an error, which can significantly jeopardize Bikan.info rating and web reputation

Performance Metrics

bikan.info performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.825

4/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

403.htm

531 ms

error.css

166 ms

jquery-1.11.0.min.js

468 ms

jquery.color.js

316 ms

ecl.js

330 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bikan.info, 28% (5 requests) were made to Google-analytics.com and 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (531 ms) relates to the external source Err.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.1 kB (44%)

Content Size

302.3 kB

After Optimization

168.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bikan.info main page is 302.3 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. 20% of websites need less resources to load. Javascripts take 208.9 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 2.9 kB

  • Original 5.2 kB
  • After minification 5.0 kB
  • After compression 2.2 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 2.9 kB or 56% of the original size.

Image Optimization

-8%

Potential reduce by 6.3 kB

  • Original 82.2 kB
  • After minification 75.8 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. Bikan images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 120.3 kB

  • Original 208.9 kB
  • After minification 200.7 kB
  • After compression 88.7 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 120.3 kB or 58% of the original size.

CSS Optimization

-77%

Potential reduce by 4.6 kB

  • Original 6.0 kB
  • After minification 5.1 kB
  • After compression 1.4 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. Bikan.info needs all CSS files to be minified and compressed as it can save up to 4.6 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (41%)

Requests Now

17

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bikan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

403.htm

403.htm

531 ms

error.css

error.css

166 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

468 ms

jquery.color.js

jquery.color.js

316 ms

ecl.js

ecl.js

330 ms

searchword.js

searchword.js

330 ms

error.js

error.js

328 ms

logo_pepapon.png

logo_pepapon.png

167 ms

logo_cms.png

logo_cms.png

169 ms

bg_403.png

bg_403.png

329 ms

img_403.png

img_403.png

167 ms

minne_bnr_300_250.png

minne_bnr_300_250.png

470 ms

gtm.js

gtm.js

19 ms

analytics.js

analytics.js

10 ms

ga.js

ga.js

39 ms

collect

collect

46 ms

collect

collect

44 ms

__utm.gif

__utm.gif

21 ms

Accessibility Review

bikan.info accessibility score

85

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

Best Practices

bikan.info 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

bikan.info SEO score

92

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

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bikan.info 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 Bikan.info main page’s claimed encoding is euc-jp. 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

bikan.info

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