Tools & Wizards About Us
senabluetooth.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

senabluetooth.jp

SENA Bluetooth Japan公式サイト | TOP | SENA Bluetooth HEADSET & INTERCOM

Page Load Speed

7.8 sec in total

First Response

552 ms

Resources Loaded

6.7 sec

Page Rendered

570 ms

senabluetooth.jp screenshot

About Website

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

Sena SRL 50S MESH　バイク用 インカム ヘッドセット

Visit senabluetooth.jp

Key Findings

We analyzed Senabluetooth.jp page load time and found that the first response time was 552 ms and then it took 7.2 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

senabluetooth.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value34.3 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value26,110 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value50.1 s

0/100

10%

Network Requests Diagram

senabluetooth.jp

552 ms

senabluetooth.jp

1361 ms

lightbox.css

178 ms

froogaloop2.min.js

356 ms

prototype.js

853 ms

Our browser made a total of 145 requests to load all elements on the main page. We found that 63% of them (91 requests) were addressed to the original Senabluetooth.jp, 14% (20 requests) were made to Youtube.com and 14% (20 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Senabluetooth.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.5 kB (8%)

Content Size

3.1 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Senabluetooth.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. Only a small number of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 103.8 kB

  • Original 123.5 kB
  • After minification 113.1 kB
  • After compression 19.7 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 103.8 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 101.3 kB

  • Original 2.4 MB
  • After minification 2.3 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. SENA Bluetooth images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 44.1 kB

  • Original 486.4 kB
  • After minification 485.8 kB
  • After compression 442.3 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

-4%

Potential reduce by 5.3 kB

  • Original 136.7 kB
  • After minification 136.7 kB
  • After compression 131.3 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. Senabluetooth.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 34 (24%)

Requests Now

141

After Optimization

107

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SENA Bluetooth. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

senabluetooth.jp

senabluetooth.jp

552 ms

senabluetooth.jp

senabluetooth.jp

1361 ms

lightbox.css

lightbox.css

178 ms

froogaloop2.min.js

froogaloop2.min.js

356 ms

prototype.js

prototype.js

853 ms

scriptaculous.js

scriptaculous.js

512 ms

lightbox.js

lightbox.js

526 ms

imported.min.js

imported.min.js

526 ms

livepipe.js

livepipe.js

530 ms

tabs.js

tabs.js

540 ms

jquery.min.js

jquery.min.js

19 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

681 ms

scrol.js

scrol.js

701 ms

jquery.bxslider.css

jquery.bxslider.css

700 ms

common_skin.css

common_skin.css

885 ms

gmogs_image_90-35_en_dblue.js

gmogs_image_90-35_en_dblue.js

32 ms

jquery-min.js

jquery-min.js

718 ms

jquery.easing.js

jquery.easing.js

185 ms

effects.js

effects.js

172 ms

builder.js

builder.js

176 ms

ga.js

ga.js

94 ms

WXzZMsII7vc

WXzZMsII7vc

217 ms

KPb4iMOXHkU

KPb4iMOXHkU

227 ms

NsnR9Uyap4w

NsnR9Uyap4w

216 ms

MDiOZMYSsb4

MDiOZMYSsb4

226 ms

wfL5iKvbBa4

wfL5iKvbBa4

224 ms

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XF_XV1cpSm4

216 ms

dplY369_XKg

dplY369_XKg

357 ms

aeXIt0_g44A

aeXIt0_g44A

351 ms

q_D4hg28n-A

q_D4hg28n-A

298 ms

1yhE56Zktg4

1yhE56Zktg4

440 ms

x0UVu8IsWv4

x0UVu8IsWv4

454 ms

GWl-tmLOzaU

GWl-tmLOzaU

441 ms

gs_noscript_90-35_en.gif

gs_noscript_90-35_en.gif

119 ms

33-logo.jpg

33-logo.jpg

241 ms

gnavi-bg.png

gnavi-bg.png

234 ms

btn_gnavi-member_new.jpg

btn_gnavi-member_new.jpg

239 ms

topLineupIcon.png

topLineupIcon.png

240 ms

top-lineup-bg_new.jpg

top-lineup-bg_new.jpg

240 ms

top-spider-st1_new.png

top-spider-st1_new.png

1208 ms

top-50c.png

top-50c.png

1209 ms

top-50s.png

top-50s.png

1241 ms

top-50r02.png

top-50r02.png

1209 ms

top-SRL3.png

top-SRL3.png

1210 ms

top-SRL-MESH.png

top-SRL-MESH.png

1211 ms

top-SRL-EXT.png

top-SRL-EXT.png

1239 ms

top-30k.png

top-30k.png

1240 ms

lineup-20sevo_new.png

lineup-20sevo_new.png

1240 ms

top-srl2.png

top-srl2.png

1241 ms

top-5s.png

top-5s.png

1242 ms

top-SF_new.png

top-SF_new.png

1319 ms

top-3splus_new.png

top-3splus_new.png

1320 ms

top-r2evo.png

top-r2evo.png

1320 ms

top-m1.png

top-m1.png

1321 ms

top-r1.png

top-r1.png

1320 ms

top-pi.png

top-pi.png

1319 ms

top-sph10_new.png

top-sph10_new.png

1667 ms

top-tufftalk_new.png

top-tufftalk_new.png

1529 ms

top-expand_new.png

top-expand_new.png

1528 ms

top-mesh_new.png

top-mesh_new.png

1529 ms

header-calendar2024btn.png

header-calendar2024btn.png

1528 ms

headerMainMenuLineup_OFF.png

headerMainMenuLineup_OFF.png

1527 ms

headerMainMenuAcc_OFF.png

headerMainMenuAcc_OFF.png

1667 ms

btn_gnavi-fb.png

btn_gnavi-fb.png

1668 ms

btn_gnavi-tw.png

btn_gnavi-tw.png

1669 ms

btn_gnavi-yt.png

btn_gnavi-yt.png

1669 ms

btn_gnavi-ig.png

btn_gnavi-ig.png

1666 ms

main-pic27new.jpg

main-pic27new.jpg

2352 ms

main-pic27new02.jpg

main-pic27new02.jpg

2173 ms

main-pic05.jpg

main-pic05.jpg

2115 ms

siteSeal.do

siteSeal.do

349 ms

__utm.gif

__utm.gif

15 ms

www-player.css

www-player.css

94 ms

www-embed-player.js

www-embed-player.js

146 ms

base.js

base.js

247 ms

main-pic18.jpg

main-pic18.jpg

2653 ms

main-pic12_2022_02.jpg

main-pic12_2022_02.jpg

2647 ms

main-pic22_2022_02.jpg

main-pic22_2022_02.jpg

2146 ms

main-pic25_2022_02.jpg

main-pic25_2022_02.jpg

2292 ms

main-pic11_2022_02.jpg

main-pic11_2022_02.jpg

2291 ms

www-player.css

www-player.css

777 ms

www-embed-player.js

www-embed-player.js

795 ms

base.js

base.js

799 ms

ad_status.js

ad_status.js

923 ms

siteSealImage.do

siteSealImage.do

2419 ms

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

379 ms

embed.js

embed.js

121 ms

main-pic06_new03.jpg

main-pic06_new03.jpg

1428 ms

ico_new.gif

ico_new.gif

1324 ms

textBtnIcon@2x.png

textBtnIcon@2x.png

1427 ms

176975-1-20230627102942_b649a3b866081d.png

176975-1-20230627102942_b649a3b866081d.png

1426 ms

176978-1-20240507205519_b663a16a788bda.png

176978-1-20240507205519_b663a16a788bda.png

1406 ms

176977-1-20230627102400_b649a3a30574df.png

176977-1-20230627102400_b649a3a30574df.png

1648 ms

176976-1-20230626164340_b649941ac2edd5.png

176976-1-20230626164340_b649941ac2edd5.png

1646 ms

top-movieIcon.png

top-movieIcon.png

1646 ms

top-movieIcon02.svg

top-movieIcon02.svg

1646 ms

top-movieIcon03.svg

top-movieIcon03.svg

1733 ms

top-movieIcon04.svg

top-movieIcon04.svg

1661 ms

top-movieIcon05.svg

top-movieIcon05.svg

1658 ms

38130-1-20190531103215.png

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1659 ms

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176504-1-20240605163047_b666014277f442.png

1660 ms

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213938-0-20240605163525_b6660153dbe3df.png

1758 ms

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213937-0-20240605163432_b66601508409bf.png

2033 ms

180948-5-20230921133156_b650bc73ccdf41.png

180948-5-20230921133156_b650bc73ccdf41.png

1843 ms

id

id

201 ms

180948-6-20230921133156_b650bc73cce6cc.png

180948-6-20230921133156_b650bc73cce6cc.png

1639 ms

180918-5-20230825103840_b64e80620db7f5.svg

180918-5-20230825103840_b64e80620db7f5.svg

1637 ms

176175-1-20230616112105_b648bc711d4208.png

176175-1-20230616112105_b648bc711d4208.png

1639 ms

176496-1-20240507090210_b66396f824fe43.png

176496-1-20240507090210_b66396f824fe43.png

1639 ms

Create

Create

647 ms

Create

Create

823 ms

Create

Create

821 ms

Create

Create

824 ms

Create

Create

823 ms

29615-1-20190129145044.png

29615-1-20190129145044.png

1821 ms

id

id

134 ms

Create

Create

836 ms

176250-1-20230616112133_b648bc72dcf312.png

176250-1-20230616112133_b648bc72dcf312.png

1686 ms

u_ttl_bg.gif

u_ttl_bg.gif

1685 ms

ico_arrow.gif

ico_arrow.gif

1685 ms

pPageTopWrapper-bg.png

pPageTopWrapper-bg.png

1685 ms

btn_pagetop_off.jpg

btn_pagetop_off.jpg

1843 ms

Create

Create

693 ms

Create

Create

752 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

385 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

407 ms

fLogo.png

fLogo.png

1543 ms

Create

Create

518 ms

Create

Create

461 ms

Create

Create

374 ms

loading.gif

loading.gif

1339 ms

closelabel.gif

closelabel.gif

1336 ms

id

id

200 ms

Create

Create

374 ms

embed.js

embed.js

48 ms

bx_loader.gif

bx_loader.gif

1161 ms

controls.png

controls.png

1207 ms

GenerateIT

GenerateIT

337 ms

GenerateIT

GenerateIT

339 ms

GenerateIT

GenerateIT

253 ms

GenerateIT

GenerateIT

194 ms

GenerateIT

GenerateIT

193 ms

GenerateIT

GenerateIT

176 ms

GenerateIT

GenerateIT

181 ms

GenerateIT

GenerateIT

183 ms

Accessibility Review

senabluetooth.jp accessibility score

75

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.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

senabluetooth.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

SEO Factors

senabluetooth.jp SEO score

89

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

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

High

Tap targets are not sized appropriately

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 Senabluetooth.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 Senabluetooth.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

senabluetooth.jp

Open Graph data is detected on the main page of SENA Bluetooth. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: