Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

kobabi.com

小林美術科学 – 色あせた日本美術や白黒写真画像&映像をキレイにしたり、加工したり、カラー化したり。レタッチ技術で、ライフスタイルをもっと楽しく、美しく。

Page Load Speed

8.8 sec in total

First Response

1.5 sec

Resources Loaded

6.1 sec

Page Rendered

1.2 sec

About Website

Visit kobabi.com now to see the best up-to-date Kobabi content and also check out these interesting facts you probably never knew about kobabi.com

小林美術科学は、2004年、小林泰三によって創設されました。 卓越したレタッチ技術によって、日本美術を画像処理し、デジタル復元しています。さらに、原寸大のレプリカにより、当時の人々と同じ視線から「体感する美術」を実践、その新しい鑑賞法を「

Visit kobabi.com

Key Findings

We analyzed Kobabi.com page load time and found that the first response time was 1.5 sec and then it took 7.3 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

kobabi.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value410 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

kobabi.com

1493 ms

css2

39 ms

style.css

181 ms

style.min.css

364 ms

child-pages-shortcode.min.css

547 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 77% of them (33 requests) were addressed to the original Kobabi.com, 7% (3 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kobabi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.7 kB (2%)

Content Size

4.1 MB

After Optimization

4.0 MB

In fact, the total size of Kobabi.com main page is 4.1 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. 70% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 37.1 kB

  • Original 47.4 kB
  • After minification 45.6 kB
  • After compression 10.3 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 37.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 9.5 kB

  • Original 3.8 MB
  • After minification 3.8 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. Kobabi images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 32.0 kB

  • Original 161.4 kB
  • After minification 161.4 kB
  • After compression 129.3 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 32.0 kB or 20% of the original size.

CSS Optimization

-0%

Potential reduce by 95 B

  • Original 24.3 kB
  • After minification 24.3 kB
  • After compression 24.2 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. Kobabi.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

39

After Optimization

28

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kobabi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kobabi.com 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

Heading elements are not in a sequentially-descending order

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

kobabi.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kobabi.com SEO score

80

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 Kobabi.com 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 Kobabi.com 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 data is detected on the main page of Kobabi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: