Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

Page Load Speed

5.5 sec in total

First Response

943 ms

Resources Loaded

4.3 sec

Page Rendered

293 ms

crk-in.jp screenshot

About Website

Visit crk-in.jp now to see the best up-to-date Crk In content and also check out these interesting facts you probably never knew about crk-in.jp

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Key Findings

We analyzed Crk-in.jp page load time and found that the first response time was 943 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

crk-in.jp performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.258

48/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

crk-in.jp

943 ms

site.css

350 ms

page.css

361 ms

tieredworks_libs.js

1259 ms

tieredworks_base.js

572 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that all of those requests were addressed to Crk-in.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Crk-in.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 336.7 kB (36%)

Content Size

940.7 kB

After Optimization

604.0 kB

In fact, the total size of Crk-in.jp main page is 940.7 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. Images take 587.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 10.2 kB

  • Original 14.6 kB
  • After minification 14.4 kB
  • After compression 4.4 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 10.2 kB or 70% of the original size.

Image Optimization

-11%

Potential reduce by 63.0 kB

  • Original 587.8 kB
  • After minification 524.8 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. Obviously, Crk In needs image optimization as it can save up to 63.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 234.5 kB

  • Original 301.9 kB
  • After minification 254.0 kB
  • After compression 67.4 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 234.5 kB or 78% of the original size.

CSS Optimization

-80%

Potential reduce by 29.0 kB

  • Original 36.4 kB
  • After minification 31.6 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. Crk-in.jp needs all CSS files to be minified and compressed as it can save up to 29.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (57%)

Requests Now

54

After Optimization

23

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crk In. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

crk-in.jp accessibility score

63

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

crk-in.jp best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

crk-in.jp SEO score

67

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

    N/A

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crk-in.jp can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Crk-in.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 Crk In. 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: