Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

rosafe.rowiki.jp

ROサイト管理者連絡会 - ROサイト管理者連絡会

Page Load Speed

32.9 sec in total

First Response

16 sec

Resources Loaded

16.8 sec

Page Rendered

136 ms

rosafe.rowiki.jp screenshot

About Website

Click here to check amazing Rosafe Rowiki content for Japan. Otherwise, check out these important facts you probably never knew about rosafe.rowiki.jp

Visit rosafe.rowiki.jp

Key Findings

We analyzed Rosafe.rowiki.jp page load time and found that the first response time was 16 sec and then it took 17 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rosafe.rowiki.jp performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value23.9 s

0/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

rosafe.rowiki.jp

15972 ms

pukiwiki.css.php

317 ms

pukiwiki.png

352 ms

urchin.js

22 ms

top.png

179 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original Rosafe.rowiki.jp, 15% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (16 sec) belongs to the original domain Rosafe.rowiki.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.9 kB (49%)

Content Size

42.4 kB

After Optimization

21.6 kB

In fact, the total size of Rosafe.rowiki.jp main page is 42.4 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 5% of websites need less resources to load. CSS take 16.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.0 kB

  • Original 7.3 kB
  • After minification 7.2 kB
  • After compression 2.3 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 5.0 kB or 69% of the original size.

Image Optimization

-12%

Potential reduce by 1.4 kB

  • Original 11.7 kB
  • After minification 10.4 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. Obviously, Rosafe Rowiki needs image optimization as it can save up to 1.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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 971 B or 14% of the original size.

CSS Optimization

-81%

Potential reduce by 13.5 kB

  • Original 16.6 kB
  • After minification 13.0 kB
  • After compression 3.1 kB

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. Rosafe.rowiki.jp needs all CSS files to be minified and compressed as it can save up to 13.5 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosafe Rowiki. According to our analytics all requests are already optimized.

Accessibility Review

rosafe.rowiki.jp accessibility score

90

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

rosafe.rowiki.jp best practices score

75

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

Serves images with low resolution

SEO Factors

rosafe.rowiki.jp SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

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