Report Summary

  • 43

    Performance

    Renders faster than
    61% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    48% of websites

  • 97

    SEO

    Google-friendlier than
    94% of websites

rara.jp

超→高性能な無料掲示板 - Rara 掲示板

Page Load Speed

3.2 sec in total

First Response

628 ms

Resources Loaded

2.4 sec

Page Rendered

125 ms

rara.jp screenshot

About Website

Visit rara.jp now to see the best up-to-date Rara content for Japan and also check out these interesting facts you probably never knew about rara.jp

圧倒的な機能数が自慢の無料掲示板レンタルサイト。画像のアップロードは勿論のこと、4種類の基本デザインをいつでも切り替えて使えます!

Visit rara.jp

Key Findings

We analyzed Rara.jp page load time and found that the first response time was 628 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

rara.jp performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value2,650 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.175

69/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

rara.jp

628 ms

my.css

182 ms

ajs.php

354 ms

logo.gif

182 ms

top1.gif

344 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 83% of them (34 requests) were addressed to the original Rara.jp, 10% (4 requests) were made to Adf.send.microad.jp and 5% (2 requests) were made to Adm.shinobi.jp. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Rara.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.2 kB (39%)

Content Size

61.8 kB

After Optimization

37.6 kB

In fact, the total size of Rara.jp main page is 61.8 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. 15% of websites need less resources to load. Images take 29.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 12.2 kB

  • Original 17.4 kB
  • After minification 17.0 kB
  • After compression 5.2 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 12.2 kB or 70% of the original size.

Image Optimization

-2%

Potential reduce by 575 B

  • Original 29.2 kB
  • After minification 28.7 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. Rara images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 1.7 kB

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 1.1 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 1.7 kB or 60% of the original size.

CSS Optimization

-79%

Potential reduce by 9.8 kB

  • Original 12.3 kB
  • After minification 10.2 kB
  • After compression 2.6 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. Rara.jp needs all CSS files to be minified and compressed as it can save up to 9.8 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

40

After Optimization

25

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rara. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rara.jp accessibility score

95

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

rara.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

rara.jp SEO score

97

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Rara.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 Rara.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

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