Tools & Wizards About Us
bs-f.jp screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

bs-f.jp

ブレインサイエンス振興財団

Page Load Speed

4 sec in total

First Response

518 ms

Resources Loaded

3.3 sec

Page Rendered

94 ms

bs-f.jp screenshot

About Website

Welcome to bs-f.jp homepage info - get ready to check Bs F best content right away, or after learning these important things about bs-f.jp

ブレインサイエンス振興財団は21世紀の脳の時代へ向け、脳科学の振興と研究者を支援しています。

Visit bs-f.jp

Key Findings

We analyzed Bs-f.jp page load time and found that the first response time was 518 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bs-f.jp performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value0 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

bs-f.jp

518 ms

bs-f.jp

689 ms

main.css

171 ms

script.js

340 ms

counter.cgi

893 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Bs-f.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Bs-f.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.2 kB (2%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bs-f.jp main page is 1.6 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 4.1 kB

  • Original 6.6 kB
  • After minification 6.5 kB
  • After compression 2.5 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 4.1 kB or 62% of the original size.

Image Optimization

-2%

Potential reduce by 30.2 kB

  • Original 1.6 MB
  • After minification 1.5 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. Bs F images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 241 B

  • Original 803 B
  • After minification 803 B
  • After compression 562 B

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 241 B or 30% of the original size.

CSS Optimization

-27%

Potential reduce by 722 B

  • Original 2.6 kB
  • After minification 2.6 kB
  • After compression 1.9 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. Bs-f.jp needs all CSS files to be minified and compressed as it can save up to 722 B or 27% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bs F. According to our analytics all requests are already optimized.

Network Requests Diagram

bs-f.jp

bs-f.jp

518 ms

bs-f.jp

bs-f.jp

689 ms

main.css

main.css

171 ms

script.js

script.js

340 ms

counter.cgi

counter.cgi

893 ms

header_bg.jpg

header_bg.jpg

506 ms

header_logo.jpg

header_logo.jpg

943 ms

menu01_bg.jpg

menu01_bg.jpg

823 ms

menu_bg.jpg

menu_bg.jpg

890 ms

menu001c.jpg

menu001c.jpg

850 ms

menu002c.jpg

menu002c.jpg

869 ms

menu02_bg.jpg

menu02_bg.jpg

842 ms

menu003c.jpg

menu003c.jpg

1152 ms

menu004c.jpg

menu004c.jpg

1011 ms

menu005c.jpg

menu005c.jpg

1189 ms

menu006c.jpg

menu006c.jpg

1216 ms

menu007c.jpg

menu007c.jpg

1062 ms

menu03_bg.jpg

menu03_bg.jpg

1281 ms

menu008c.jpg

menu008c.jpg

1180 ms

menu009c.jpg

menu009c.jpg

1401 ms

menu010c.jpg

menu010c.jpg

1481 ms

toplogo_summer.jpg

toplogo_summer.jpg

1517 ms

h3_topics.jpg

h3_topics.jpg

1529 ms

gli.gif

gli.gif

1392 ms

new.gif

new.gif

1453 ms

kouen37_03s.jpg

kouen37_03s.jpg

1565 ms

acrobat.gif

acrobat.gif

1572 ms

footer_bg.jpg

footer_bg.jpg

1790 ms

Accessibility Review

bs-f.jp accessibility score

94

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

bs-f.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

Serves images with low resolution

SEO Factors

bs-f.jp SEO score

67

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

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 Bs-f.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 Bs-f.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

bs-f.jp

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