Access dojokai.jp. 一般社団法人日本空手道道場会

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value2.5 s

97/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

dojokai.jp

1348 ms

table.css

355 ms

wkf-01.jpg

521 ms

wkf-02.jpg

530 ms

jkf-01.jpg

535 ms

Our browser made a total of 194 requests to load all elements on the main page. We found that all of those requests were addressed to Dojokai.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (5.2 sec) belongs to the original domain Dojokai.jp.

Content Size

8.7 MB

After Optimization

8.5 MB

In fact, the total size of Dojokai.jp main page is 8.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.6 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 95.4 kB

Original 105.4 kB
After minification 74.2 kB
After compression 10.0 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 31.1 kB, which is 30% 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 95.4 kB or 91% of the original size.

Image Optimization

-1%

Potential reduce by 73.6 kB

Original 8.6 MB
After minification 8.5 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. Dojokai images are well optimized though.

Requests Now

128

After Optimization

128

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dojokai. According to our analytics all requests are already optimized.

Accessibility Issues

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.

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

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 Dojokai.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 Dojokai.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 Dojokai. 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: