Tools & Wizards About Us
bio100.jp screenshot

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

bio100.jp

Bio_100%

Page Load Speed

4.3 sec in total

First Response

517 ms

Resources Loaded

3.6 sec

Page Rendered

158 ms

bio100.jp screenshot

About Website

Visit bio100.jp now to see the best up-to-date Bio 100 content for Japan and also check out these interesting facts you probably never knew about bio100.jp

インターネット全盛の時代を迎える前、パソコン通信を介して多くのフリーソフトを開発・配布したゲーム制作集団「Bio_100％」

Visit bio100.jp

Key Findings

We analyzed Bio100.jp page load time and found that the first response time was 517 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bio100.jp performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

bio100.jp

517 ms

import_top.css

166 ms

landscape.css

331 ms

jquery.js

500 ms

rollover.js

333 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Bio100.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Bio100.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 44.2 kB (9%)

Content Size

476.3 kB

After Optimization

432.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bio100.jp main page is 476.3 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. 35% of websites need less resources to load. Images take 428.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 6.0 kB

  • Original 8.2 kB
  • After minification 8.0 kB
  • After compression 2.2 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 6.0 kB or 74% of the original size.

Image Optimization

-8%

Potential reduce by 36.0 kB

  • Original 428.9 kB
  • After minification 393.0 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. Bio 100 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 486 B

  • Original 29.7 kB
  • After minification 29.7 kB
  • After compression 29.2 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.

CSS Optimization

-19%

Potential reduce by 1.8 kB

  • Original 9.5 kB
  • After minification 9.3 kB
  • After compression 7.7 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. Bio100.jp needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (47%)

Requests Now

49

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bio 100. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bio100.jp

bio100.jp

517 ms

import_top.css

import_top.css

166 ms

landscape.css

landscape.css

331 ms

jquery.js

jquery.js

500 ms

rollover.js

rollover.js

333 ms

random.js

random.js

334 ms

top.js

top.js

1285 ms

swfobject2.js

swfobject2.js

334 ms

common.css

common.css

331 ms

review.css

review.css

332 ms

bg_top_day_sp.gif

bg_top_day_sp.gif

495 ms

logo_top.png

logo_top.png

168 ms

btn_switch_day.png

btn_switch_day.png

167 ms

img_game_tile1.png

img_game_tile1.png

330 ms

img_game_tile2.png

img_game_tile2.png

493 ms

img_game_tile3.png

img_game_tile3.png

330 ms

img_game_tile4.png

img_game_tile4.png

332 ms

img_game_tile5.png

img_game_tile5.png

662 ms

img_game_tile6.png

img_game_tile6.png

494 ms

img_game_tile7.png

img_game_tile7.png

659 ms

img_game_tile8.png

img_game_tile8.png

661 ms

img_game_tile9.png

img_game_tile9.png

657 ms

img_game_tile10.png

img_game_tile10.png

657 ms

img_game_tile11.png

img_game_tile11.png

659 ms

img_game_tile12.png

img_game_tile12.png

821 ms

img_game_nyahax2010.png

img_game_nyahax2010.png

821 ms

navi08.gif

navi08.gif

822 ms

navi02.gif

navi02.gif

823 ms

navi03.gif

navi03.gif

824 ms

navi04.gif

navi04.gif

827 ms

navi05.gif

navi05.gif

984 ms

navi06.gif

navi06.gif

985 ms

navi07.gif

navi07.gif

986 ms

copyright.gif

copyright.gif

987 ms

btn_review_day1.png

btn_review_day1.png

973 ms

btn_news_day2.png

btn_news_day2.png

975 ms

btn_introduction_day2.png

btn_introduction_day2.png

1132 ms

btn_members_day2.png

btn_members_day2.png

1133 ms

btn_game_day2.png

btn_game_day2.png

1134 ms

btn_music_day2.png

btn_music_day2.png

1135 ms

btn_credit_day2.png

btn_credit_day2.png

1138 ms

portrait.css

portrait.css

166 ms

layout.css

layout.css

167 ms

navi08_o.gif

navi08_o.gif

166 ms

navi02_o.gif

navi02_o.gif

168 ms

navi03_o.gif

navi03_o.gif

166 ms

navi04_o.gif

navi04_o.gif

166 ms

navi05_o.gif

navi05_o.gif

165 ms

navi06_o.gif

navi06_o.gif

167 ms

navi07_o.gif

navi07_o.gif

330 ms

Accessibility Review

bio100.jp accessibility score

93

Accessibility Issues

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

Links do not have a discernible name

Best Practices

bio100.jp best practices score

67

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

SEO Factors

bio100.jp SEO score

75

Search Engine Optimization Advices

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 Bio100.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 Bio100.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

bio100.jp

Open Graph description is not detected on the main page of Bio 100. 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: