Tools & Wizards About Us
penguindrum.jp screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

penguindrum.jp

輪るピングドラム

Page Load Speed

8.6 sec in total

First Response

897 ms

Resources Loaded

7.1 sec

Page Rendered

650 ms

penguindrum.jp screenshot

About Website

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

きっと何者にもなれないお前たちに告げる

Visit penguindrum.jp

Key Findings

We analyzed Penguindrum.jp page load time and found that the first response time was 897 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

penguindrum.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

penguindrum.jp

897 ms

style.css

496 ms

colorbox2.css

375 ms

yurikuma.css

381 ms

jquery.min.js

696 ms

Our browser made a total of 140 requests to load all elements on the main page. We found that 35% of them (49 requests) were addressed to the original Penguindrum.jp, 41% (57 requests) were made to Pbs.twimg.com and 8% (11 requests) were made to Abs.twimg.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Penguindrum.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 233.6 kB (8%)

Content Size

3.1 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Penguindrum.jp main page is 3.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.1 kB

  • Original 19.7 kB
  • After minification 18.8 kB
  • After compression 4.6 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 15.1 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 97.3 kB

  • Original 2.9 MB
  • After minification 2.8 MB

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. Penguindrum images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 73.0 kB

  • Original 102.7 kB
  • After minification 89.5 kB
  • After compression 29.7 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 73.0 kB or 71% of the original size.

CSS Optimization

-85%

Potential reduce by 48.2 kB

  • Original 56.7 kB
  • After minification 51.3 kB
  • After compression 8.5 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. Penguindrum.jp needs all CSS files to be minified and compressed as it can save up to 48.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (26%)

Requests Now

138

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Penguindrum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

penguindrum.jp

penguindrum.jp

897 ms

style.css

style.css

496 ms

colorbox2.css

colorbox2.css

375 ms

yurikuma.css

yurikuma.css

381 ms

jquery.min.js

jquery.min.js

696 ms

jquery.colorbox.js

jquery.colorbox.js

629 ms

rdm_top.js

rdm_top.js

575 ms

pagetop.js

pagetop.js

712 ms

urchin.js

urchin.js

549 ms

urchin.js

urchin.js

723 ms

bdbox.css

bdbox.css

323 ms

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__utm.gif

292 ms

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bd_sp_top.png

1598 ms

menu_bg.png

menu_bg.png

374 ms

menu_news_r.png

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505 ms

menu_staff.png

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539 ms

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746 ms

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746 ms

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760 ms

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850 ms

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1100 ms

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1525 ms

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2094 ms

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2409 ms

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page_top.gif

1710 ms

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1913 ms

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2019 ms

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2074 ms

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2346 ms

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2453 ms

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2430 ms

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2735 ms

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119 ms

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Accessibility Review

penguindrum.jp accessibility score

61

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.

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

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

penguindrum.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

penguindrum.jp SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

penguindrum.jp

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