Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rikaken.co.jp

理科研株式会社

Page Load Speed

4 sec in total

First Response

1.1 sec

Resources Loaded

2.8 sec

Page Rendered

119 ms

rikaken.co.jp screenshot

About Website

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

医療、医薬、農業、食品などの先進科学にかかわる製品や技術を研究者に提供する専門商社です。

Visit rikaken.co.jp

Key Findings

We analyzed Rikaken.co.jp page load time and found that the first response time was 1.1 sec and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

rikaken.co.jp performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

rikaken.co.jp

1078 ms

style.css

1010 ms

common.js

1248 ms

heaer_001.gif

183 ms

mark_goto02.gif

166 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 93% of them (28 requests) were addressed to the original Rikaken.co.jp, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Rikaken.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.8 kB (27%)

Content Size

200.6 kB

After Optimization

145.8 kB

In fact, the total size of Rikaken.co.jp main page is 200.6 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. Only 10% of websites need less resources to load. Images take 124.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 10.1 kB

  • Original 12.8 kB
  • After minification 10.2 kB
  • After compression 2.7 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 2.6 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 10.1 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 4.7 kB

  • Original 124.9 kB
  • After minification 120.2 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. Rikaken images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 39.6 kB

  • Original 62.2 kB
  • After minification 60.7 kB
  • After compression 22.6 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 39.6 kB or 64% of the original size.

CSS Optimization

-62%

Potential reduce by 476 B

  • Original 764 B
  • After minification 640 B
  • After compression 288 B

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. Rikaken.co.jp needs all CSS files to be minified and compressed as it can save up to 476 B or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (59%)

Requests Now

29

After Optimization

12

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rikaken. 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

rikaken.co.jp accessibility score

97

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.

Best Practices

rikaken.co.jp best practices score

75

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

SEO Factors

rikaken.co.jp SEO score

90

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rikaken.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rikaken.co.jp 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

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