Tools & Wizards About Us
rpe-parts.co.jp screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

rpe-parts.co.jp

RPEパーツ株式会社 == Web Shop== 二足歩行ロボット・電子工作・真空管オーディオキット・電子部品の通販・販売

Page Load Speed

3.4 sec in total

First Response

915 ms

Resources Loaded

2.3 sec

Page Rendered

204 ms

rpe-parts.co.jp screenshot

About Website

Visit rpe-parts.co.jp now to see the best up-to-date Rpe Parts content for Japan and also check out these interesting facts you probably never knew about rpe-parts.co.jp

RPEパーツ株式会社では二足歩行ロボットや電子部品/電子工作キット、真空管アンプ・オーディオキットを扱いアマチュアからセミプロまでを対象に、物作りの楽しさを提供出来る企業を目指します。

Visit rpe-parts.co.jp

Key Findings

We analyzed Rpe-parts.co.jp page load time and found that the first response time was 915 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rpe-parts.co.jp performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

rpe-parts.co.jp

915 ms

rpe-parts_778x160_top.gif

959 ms

356x300_kabe.JPG

870 ms

mise_0121.JPG

1048 ms

200x100_pf01.gif

745 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 90% of them (19 requests) were addressed to the original Rpe-parts.co.jp, 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Rpe-parts.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.5 kB (10%)

Content Size

149.6 kB

After Optimization

134.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rpe-parts.co.jp main page is 149.6 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. 15% of websites need less resources to load. Images take 119.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.8 kB

  • Original 12.9 kB
  • After minification 12.3 kB
  • After compression 3.1 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 9.8 kB or 76% of the original size.

Image Optimization

-5%

Potential reduce by 5.7 kB

  • Original 119.5 kB
  • After minification 113.8 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. Rpe Parts images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

  • Images
  • JavaScript

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rpe Parts. According to our analytics all requests are already optimized.

Network Requests Diagram

rpe-parts.co.jp

rpe-parts.co.jp

915 ms

rpe-parts_778x160_top.gif

rpe-parts_778x160_top.gif

959 ms

356x300_kabe.JPG

356x300_kabe.JPG

870 ms

mise_0121.JPG

mise_0121.JPG

1048 ms

200x100_pf01.gif

200x100_pf01.gif

745 ms

200x100_at01.gif

200x100_at01.gif

765 ms

200X100_isobot01.gif

200X100_isobot01.gif

630 ms

200x100_shop.gif

200x100_shop.gif

945 ms

200x100_manoi_tori.gif

200x100_manoi_tori.gif

976 ms

blog001.jpg

blog001.jpg

807 ms

200X100_robonova00.gif

200X100_robonova00.gif

1025 ms

200x100_kougu.gif

200x100_kougu.gif

869 ms

200x100_audio.gif

200x100_audio.gif

997 ms

200x100_kousaku.gif

200x100_kousaku.gif

1044 ms

200x100_hrobots.gif

200x100_hrobots.gif

1048 ms

200X100_rb300_00.gif

200X100_rb300_00.gif

1314 ms

200X100_rb2000_00.gif

200X100_rb2000_00.gif

1357 ms

200x100_parts_00.gif

200x100_parts_00.gif

1190 ms

facebook001.jpg

facebook001.jpg

1217 ms

ga.js

ga.js

4 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

rpe-parts.co.jp accessibility score

93

Accessibility Issues

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

rpe-parts.co.jp best practices score

67

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

rpe-parts.co.jp SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rpe-parts.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rpe-parts.co.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

rpe-parts.co.jp

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