Tools & Wizards About Us
bspeedtest.jp screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

bspeedtest.jp

ブロードバンドスピードテスト(回線速度・通信速度測定診断サイト)

Page Load Speed

2.9 sec in total

First Response

401 ms

Resources Loaded

2.3 sec

Page Rendered

135 ms

bspeedtest.jp screenshot

About Website

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

回線速度や通信速度のスピードテストができます。速度向上の裏技もあります。

Visit bspeedtest.jp

Key Findings

We analyzed Bspeedtest.jp page load time and found that the first response time was 401 ms and then it took 2.4 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

bspeedtest.jp performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

bspeedtest.jp

401 ms

www.bspeedtest.jp

769 ms

gpt.js

4 ms

analytics.js

37 ms

js_visitor_settings.php

6 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 7% of them (4 requests) were addressed to the original Bspeedtest.jp, 20% (12 requests) were made to Speedcheckercdn.com and 18% (11 requests) were made to Broadbandspeedchecker.co.uk. The less responsive or slowest element that took the longest time to load (788 ms) relates to the external source Api.speedcheckercdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 673.9 kB (56%)

Content Size

1.2 MB

After Optimization

521.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bspeedtest.jp main page is 1.2 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. 60% of websites need less resources to load. Javascripts take 649.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 260.4 kB

  • Original 341.6 kB
  • After minification 341.5 kB
  • After compression 81.1 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 260.4 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 16.9 kB

  • Original 167.0 kB
  • After minification 150.0 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. Bspeedtest images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 369.7 kB

  • Original 649.7 kB
  • After minification 639.9 kB
  • After compression 280.0 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 369.7 kB or 57% of the original size.

CSS Optimization

-73%

Potential reduce by 26.8 kB

  • Original 36.9 kB
  • After minification 36.5 kB
  • After compression 10.1 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. Bspeedtest.jp needs all CSS files to be minified and compressed as it can save up to 26.8 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (54%)

Requests Now

54

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bspeedtest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bspeedtest.jp

bspeedtest.jp

401 ms

www.bspeedtest.jp

www.bspeedtest.jp

769 ms

gpt.js

gpt.js

4 ms

analytics.js

analytics.js

37 ms

js_visitor_settings.php

js_visitor_settings.php

6 ms

adsbygoogle.js

adsbygoogle.js

5 ms

require.js

require.js

259 ms

masterWithoutCore.css

masterWithoutCore.css

266 ms

pubads_impl_81.js

pubads_impl_81.js

9 ms

container.html

container.html

21 ms

collect

collect

11 ms

v.gif

v.gif

33 ms

logo_0407_69b9f3afb00a.jpg

logo_0407_69b9f3afb00a.jpg

788 ms

contactus_80x80.png

contactus_80x80.png

192 ms

windowsPhone_64.png

windowsPhone_64.png

373 ms

android_64.png

android_64.png

335 ms

ios_64.png

ios_64.png

576 ms

ads

ads

453 ms

speedchecker.js

speedchecker.js

36 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

254 ms

ca-pub-2440253727434339.js

ca-pub-2440253727434339.js

55 ms

zrt_lookup.html

zrt_lookup.html

94 ms

show_ads_impl.js

show_ads_impl.js

60 ms

upgradeRequired.html

upgradeRequired.html

188 ms

ads

ads

242 ms

main.release.js

main.release.js

29 ms

osd.js

osd.js

10 ms

ads

ads

205 ms

indexBootstrap.js

indexBootstrap.js

336 ms

localnls.js

localnls.js

228 ms

non_flash_speedchecker.css

non_flash_speedchecker.css

105 ms

modernizr.min.js

modernizr.min.js

271 ms

jquery.min.js

jquery.min.js

309 ms

jquery.cookie.min.js

jquery.cookie.min.js

276 ms

Ai2CanvasAnimation.js

Ai2CanvasAnimation.js

276 ms

underscore.min.js

underscore.min.js

269 ms

underscore.string.min.js

underscore.string.min.js

275 ms

airbrake-js-tracekit.min.js

airbrake-js-tracekit.min.js

391 ms

SCFoundation.min.js

SCFoundation.min.js

391 ms

glyphicons-halflings-regular.ttf

glyphicons-halflings-regular.ttf

144 ms

17275526931020528824

17275526931020528824

49 ms

abg.js

abg.js

49 ms

m_js_controller.js

m_js_controller.js

48 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

202 ms

14271198878111348380

14271198878111348380

131 ms

s

s

93 ms

x_button_blue2.png

x_button_blue2.png

102 ms

expansion_embed.js

expansion_embed.js

53 ms

790812448601659495

790812448601659495

52 ms

redir.html

redir.html

148 ms

css

css

143 ms

favicon

favicon

171 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

50 ms

2530752905866048313

2530752905866048313

43 ms

nessie_icon_thin_arrow_big_white.png

nessie_icon_thin_arrow_big_white.png

42 ms

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js

38 ms

master.js

master.js

163 ms

warningWithMetter.png

warningWithMetter.png

167 ms

iframe.html

iframe.html

24 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

93 ms

font-awesome.min.css

font-awesome.min.css

20 ms

Accessibility Review

bspeedtest.jp accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

bspeedtest.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

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bspeedtest.jp SEO score

93

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

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

    N/A

  • Encoding

    UTF-8

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

bspeedtest.jp

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