Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 54

    SEO

    Google-friendlier than
    29% of websites

crc-group.co.jp

「医・食・環境」を検査で支えるCRCグループ

Page Load Speed

8.3 sec in total

First Response

1.3 sec

Resources Loaded

6.6 sec

Page Rendered

465 ms

crc-group.co.jp screenshot

About Website

Visit crc-group.co.jp now to see the best up-to-date Crc Group content for Japan and also check out these interesting facts you probably never knew about crc-group.co.jp

血液検査などの臨床検査、水質・食品・大気等の環境検査、食肉の偽装には肉種鑑別DNA検査、食品などに混入した異物の検査、温泉水の成分分析検査、細菌検査、食中毒検査、各種医療器具販売などを行う会社です。

Visit crc-group.co.jp

Key Findings

We analyzed Crc-group.co.jp page load time and found that the first response time was 1.3 sec and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

crc-group.co.jp performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

crc-group.co.jp

1252 ms

info.html

851 ms

logo_crcgroup.gif

374 ms

logo_kenko.gif

375 ms

line5.gif

390 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that all of those requests were addressed to Crc-group.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Crc-group.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.4 kB (12%)

Content Size

239.8 kB

After Optimization

210.4 kB

In fact, the total size of Crc-group.co.jp main page is 239.8 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. 15% of websites need less resources to load. Images take 202.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 29.3 kB

  • Original 37.2 kB
  • After minification 31.3 kB
  • After compression 7.9 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 5.9 kB, which is 16% 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 29.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 91 B

  • Original 202.6 kB
  • After minification 202.6 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. Crc Group images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 15 (20%)

Requests Now

74

After Optimization

59

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crc Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

crc-group.co.jp accessibility score

54

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

crc-group.co.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

crc-group.co.jp SEO score

54

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crc-group.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 Crc-group.co.jp main page’s claimed encoding is shift_jis. 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

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