Access ryuumu.co.jp. ホームページ制作京都のホームページ作成会社リュウム。

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

ryuumu.co.jp

539 ms

writelog.php

3010 ms

logking.cgi

2972 ms

access2.cgi

3071 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Ryuumu.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Ryuumu.co.jp.

Content Size

2.5 kB

After Optimization

1.5 kB

In fact, the total size of Ryuumu.co.jp main page is 2.5 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 1.7 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 976 B

Original 1.7 kB
After minification 1.3 kB
After compression 687 B

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 336 B, 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 976 B or 59% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 850 B
After minification 850 B

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. Ryuumu images are well optimized though.

Requests Now

After Optimization

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ryuumu. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ryuumu.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 Ryuumu.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 Ryuumu. 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: