Access rocker.co.jp. 中古サーフボード専門店在庫数２５０本以上！レンタルサーフボードもできます！

Report Summary

About Website

Click here to check amazing Rocker content. Otherwise, check out these important facts you probably never knew about rocker.co.jp

中古サーフボード販売、レンタルサーフボードの専門店　常時在庫２５０本以上！全て１泊２日３０００円～低価格レンタルもできます。初心者向けから中・上級者ボード全国通販いたします。

Visit rocker.co.jp

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

rocker.co.jp

800 ms

basic.css

312 ms

cyuukocategori.gif

310 ms

rentalcategori.gif

349 ms

rentalcarcategori.gif

350 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Rocker.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rocker.co.jp.

Content Size

27.3 kB

After Optimization

4.6 kB

In fact, the total size of Rocker.co.jp main page is 27.3 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. 30% of websites need less resources to load. HTML takes 27.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 22.7 kB

Original 27.2 kB
After minification 25.3 kB
After compression 4.5 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 22.7 kB or 84% of the original size.

CSS Optimization

-49%

Potential reduce by 81 B

Original 167 B
After minification 121 B
After compression 86 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. Rocker.co.jp needs all CSS files to be minified and compressed as it can save up to 81 B or 49% of the original size.

Requests Now

After Optimization

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rocker. 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.

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

Language and Encoding

Language Detected

JA
Language Claimed

JA
Encoding

UTF-8

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

rocker.co.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

中古サーフボード専門店 在庫数２５０本以上！レンタルサーフボードもできます！

Page Load Speed

First Response

Resources Loaded

Page Rendered