Tools & Wizards About Us
roboticsnotes.jp screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

roboticsnotes.jp

PS4/Switch 拡張科学アドベンチャー「ROBOTICS;NOTES DaSH」2019.1.31 ON SALE

Page Load Speed

16.9 sec in total

First Response

736 ms

Resources Loaded

15 sec

Page Rendered

1.1 sec

roboticsnotes.jp screenshot

About Website

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

何度だって世界を救うのはーオタクだ。 『ROBOTICS;NOTES』待望の続編は、あの男“DaSH”が登場！本作『ROBOTICS;NOTES DaSH』では、これまで以上に科学ADVシリーズの他作品とクロスオーバー！『STEINS;GATE』の中でも、個性が際立つ人気キャラクター“DaSH（ダル・ザ・スーパーハッカー）”の通名を持つダルこと橋田至がメインキャラクターとして参戦！

Visit roboticsnotes.jp

Key Findings

We analyzed Roboticsnotes.jp page load time and found that the first response time was 736 ms and then it took 16.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

roboticsnotes.jp performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value24.3 s

0/100

10%

TBT (Total Blocking Time)

Value21,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value56.7 s

0/100

10%

Network Requests Diagram

roboticsnotes.jp

736 ms

style2.css

350 ms

back00.css

361 ms

jquery.bxslider.css

373 ms

jquery.lightbox-0.5.css

377 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 96% of them (86 requests) were addressed to the original Roboticsnotes.jp, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (8 sec) belongs to the original domain Roboticsnotes.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.4 kB (4%)

Content Size

5.0 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Roboticsnotes.jp main page is 5.0 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. 30% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 14.7 kB

  • Original 19.9 kB
  • After minification 19.5 kB
  • After compression 5.3 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 14.7 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 92.6 kB

  • Original 4.8 MB
  • After minification 4.7 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. ROBOTICS NOTES images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 85.6 kB

  • Original 126.7 kB
  • After minification 123.8 kB
  • After compression 41.1 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 85.6 kB or 68% of the original size.

CSS Optimization

-78%

Potential reduce by 19.5 kB

  • Original 24.9 kB
  • After minification 17.5 kB
  • After compression 5.4 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. Roboticsnotes.jp needs all CSS files to be minified and compressed as it can save up to 19.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (16%)

Requests Now

87

After Optimization

73

  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ROBOTICS NOTES. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

roboticsnotes.jp

roboticsnotes.jp

736 ms

style2.css

style2.css

350 ms

back00.css

back00.css

361 ms

jquery.bxslider.css

jquery.bxslider.css

373 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

377 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

951 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

516 ms

jquery.lightbox-0.5.min.js

jquery.lightbox-0.5.min.js

687 ms

styleswitch.js

styleswitch.js

717 ms

head_logo.png

head_logo.png

524 ms

main_logo.png

main_logo.png

383 ms

artag_title.png

artag_title.png

511 ms

artag_icon_top.png

artag_icon_top.png

350 ms

artag_icon.png

artag_icon.png

371 ms

play_op.png

play_op.png

967 ms

sign_tweet.png

sign_tweet.png

1114 ms

cast_btn.jpg

cast_btn.jpg

894 ms

elite_title.png

elite_title.png

941 ms

elite_forvita.png

elite_forvita.png

888 ms

elite_anime.png

elite_anime.png

892 ms

elite_rebuild.png

elite_rebuild.png

1253 ms

elite_optimize.png

elite_optimize.png

1268 ms

elite_new.png

elite_new.png

1265 ms

elite_limited.png

elite_limited.png

1278 ms

elite_shop.png

elite_shop.png

1325 ms

elite_story_button.png

elite_story_button.png

1668 ms

tweet.png

tweet.png

1634 ms

facebook.png

facebook.png

1627 ms

hatebu.png

hatebu.png

1638 ms

anime_title.png

anime_title.png

1833 ms

playbtn_100px.png

playbtn_100px.png

1672 ms

story_title.png

story_title.png

2194 ms

chara_title.png

chara_title.png

2184 ms

newelements_title.png

newelements_title.png

2191 ms

newelements_img_pokekon.png

newelements_img_pokekon.png

3937 ms

newelements_img_iruo.png

newelements_img_iruo.png

4006 ms

limited_title.png

limited_title.png

2366 ms

limited1_title1.png

limited1_title1.png

2521 ms

limited1_title2.png

limited1_title2.png

2545 ms

shop_title.png

shop_title.png

2744 ms

shop_imagin_img.jpg

shop_imagin_img.jpg

3087 ms

shop_imagin_logo.jpg

shop_imagin_logo.jpg

2893 ms

shop_sofmap_img.jpg

shop_sofmap_img.jpg

3265 ms

shop_sofmap_logo.jpg

shop_sofmap_logo.jpg

3119 ms

gtm.js

gtm.js

110 ms

shop_animate_img.jpg

shop_animate_img.jpg

3463 ms

conversion_async.js

conversion_async.js

14 ms

34 ms

36 ms

shop_animate_logo.jpg

shop_animate_logo.jpg

3106 ms

shop_amiami_img.jpg

shop_amiami_img.jpg

3477 ms

shop_amiami_logo.jpg

shop_amiami_logo.jpg

3459 ms

shop_wongoo_img.jpg

shop_wongoo_img.jpg

3656 ms

shop_wongoo_logo.jpg

shop_wongoo_logo.jpg

3398 ms

shop_geo_img.jpg

shop_geo_img.jpg

3627 ms

shop_geo_logo.jpg

shop_geo_logo.jpg

3493 ms

ar_title.png

ar_title.png

3565 ms

ar_title2.png

ar_title2.png

3926 ms

ar_bn1.png

ar_bn1.png

3620 ms

ar_bn2.png

ar_bn2.png

3571 ms

ar_bn3.png

ar_bn3.png

3696 ms

ar_bn4.png

ar_bn4.png

3733 ms

spec.png

spec.png

4782 ms

footer.png

footer.png

4205 ms

main_img0.jpg

main_img0.jpg

5161 ms

main_catch00.png

main_catch00.png

3598 ms

anime_back.jpg

anime_back.jpg

4834 ms

anime_back2.jpg

anime_back2.jpg

4413 ms

anime_back3.jpg

anime_back3.jpg

5231 ms

story_back1.jpg

story_back1.jpg

5104 ms

story_back2.jpg

story_back2.jpg

5429 ms

story_back3.jpg

story_back3.jpg

5391 ms

chara_back.jpg

chara_back.jpg

5740 ms

chara_img1.jpg

chara_img1.jpg

5946 ms

chara_img2.jpg

chara_img2.jpg

6188 ms

chara_img3.jpg

chara_img3.jpg

6077 ms

chara_img4.jpg

chara_img4.jpg

6355 ms

newelements_back.jpg

newelements_back.jpg

5510 ms

limited_back1.jpg

limited_back1.jpg

6589 ms

ar_main.jpg

ar_main.jpg

7498 ms

robono_main.png

robono_main.png

7960 ms

bx_loader.gif

bx_loader.gif

6522 ms

cont_prev.png

cont_prev.png

6165 ms

cont_next.png

cont_next.png

6043 ms

back01akiho.css

back01akiho.css

552 ms

back02kaito.css

back02kaito.css

375 ms

back03frau.css

back03frau.css

350 ms

back04subaru.css

back04subaru.css

351 ms

back05junna.css

back05junna.css

362 ms

back06airi.css

back06airi.css

363 ms

Accessibility Review

roboticsnotes.jp accessibility score

87

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

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

roboticsnotes.jp best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

roboticsnotes.jp SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

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

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 Roboticsnotes.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 Roboticsnotes.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

roboticsnotes.jp

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