Tools & Wizards About Us
rara.jp screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

rara.jp

超→高性能な無料掲示板 - Rara 掲示板

Page Load Speed

2.4 sec in total

First Response

420 ms

Resources Loaded

1.8 sec

Page Rendered

202 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 420 ms and then it took 2 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

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.165

72/100

15%

TTI (Time to Interactive)

Value4.1 s

86/100

10%

Network Requests Diagram

rara.jp

420 ms

my.css

194 ms

js

58 ms

js

125 ms

analytics.js

28 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 88% of them (28 requests) were addressed to the original Rara.jp, 6% (2 requests) were made to Googletagmanager.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Rara.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.8 kB (24%)

Content Size

224.6 kB

After Optimization

170.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rara.jp main page is 224.6 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. Images take 142.7 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 8.5 kB

  • Original 12.9 kB
  • After minification 12.6 kB
  • After compression 4.4 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 8.5 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 434 B

  • Original 142.7 kB
  • After minification 142.2 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 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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 32.0 kB or 60% of the original size.

CSS Optimization

-80%

Potential reduce by 12.9 kB

  • Original 16.1 kB
  • After minification 12.6 kB
  • After compression 3.2 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 12.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (19%)

Requests Now

31

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 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 and as a result speed up the page load time.

Network Requests Diagram

rara.jp

rara.jp

420 ms

my.css

my.css

194 ms

js

js

58 ms

js

js

125 ms

analytics.js

analytics.js

28 ms

logo-pc.png

logo-pc.png

197 ms

top1.gif

top1.gif

364 ms

top2.gif

top2.gif

367 ms

search_bar.png

search_bar.png

368 ms

pv.png

pv.png

751 ms

oh.gif

oh.gif

383 ms

smp.gif

smp.gif

388 ms

pr1.png

pr1.png

721 ms

pr2.gif

pr2.gif

549 ms

pr3.gif

pr3.gif

551 ms

des.gif

des.gif

570 ms

smp1.png

smp1.png

580 ms

smp2.png

smp2.png

730 ms

smp3.png

smp3.png

732 ms

smp4.png

smp4.png

759 ms

other.gif

other.gif

772 ms

login_bk.gif

login_bk.gif

900 ms

login.png

login.png

911 ms

mega.gif

mega.gif

914 ms

hatena.gif

hatena.gif

936 ms

hito.gif

hito.gif

945 ms

post_back.png

post_back.png

966 ms

rank.gif

rank.gif

1079 ms

koss.gif

koss.gif

1092 ms

comet.gif

comet.gif

1095 ms

footer.png

footer.png

1122 ms

collect

collect

73 ms

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

96

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

rara.jp

Open Graph data is detected on the main page of Rara. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: