Tools & Wizards About Us
cellstar.co.jp screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cellstar.co.jp

セルスター工業株式会社　CELLSTAR

Page Load Speed

9.1 sec in total

First Response

1.5 sec

Resources Loaded

7.3 sec

Page Rendered

324 ms

cellstar.co.jp screenshot

About Website

Click here to check amazing CELLSTAR content for Japan. Otherwise, check out these important facts you probably never knew about cellstar.co.jp

セルスター工業株式会社（CELLSTAR）オフィシャルサイトです。ドライブレコーダー、デジタルインナーミラー 、レーダー探知機、レーザー受信機、インバーター、などカーエレクトロニクス製品の製造販売。

Visit cellstar.co.jp

Key Findings

We analyzed Cellstar.co.jp page load time and found that the first response time was 1.5 sec and then it took 7.6 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

cellstar.co.jp performance score

0

Network Requests Diagram

cellstar.co.jp

1529 ms

site_common.css

1350 ms

toppage.css

1359 ms

top_new.css

1360 ms

jquery_new.js

2141 ms

Our browser made a total of 215 requests to load all elements on the main page. We found that 75% of them (161 requests) were addressed to the original Cellstar.co.jp, 15% (32 requests) were made to Static.xx.fbcdn.net and 4% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Cellstar.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.5 kB (13%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cellstar.co.jp main page is 1.5 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 49.8 kB

  • Original 59.1 kB
  • After minification 50.0 kB
  • After compression 9.3 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. This page needs HTML code to be minified as it can gain 9.1 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 49.8 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 73.1 kB

  • Original 1.3 MB
  • After minification 1.2 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. CELLSTAR images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 52.5 kB

  • Original 147.9 kB
  • After minification 147.3 kB
  • After compression 95.4 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 52.5 kB or 36% of the original size.

CSS Optimization

-79%

Potential reduce by 23.1 kB

  • Original 29.3 kB
  • After minification 23.1 kB
  • After compression 6.2 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. Cellstar.co.jp needs all CSS files to be minified and compressed as it can save up to 23.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (23%)

Requests Now

212

After Optimization

164

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 212 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CELLSTAR. 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 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cellstar.co.jp

cellstar.co.jp

1529 ms

site_common.css

site_common.css

1350 ms

toppage.css

toppage.css

1359 ms

top_new.css

top_new.css

1360 ms

jquery_new.js

jquery_new.js

2141 ms

menu_products_top.js

menu_products_top.js

1165 ms

all.js

all.js

269 ms

left_image.png

left_image.png

1536 ms

logo.gif

logo.gif

195 ms

description.gif

description.gif

192 ms

side_01_01.jpg

side_01_01.jpg

196 ms

side_02_01.jpg

side_02_01.jpg

196 ms

side_03_01.jpg

side_03_01.jpg

383 ms

side_ar-393gm_01.gif

side_ar-393gm_01.gif

383 ms

side_ar-363gm_01.gif

side_ar-363gm_01.gif

387 ms

side_ar-292gm_01.gif

side_ar-292gm_01.gif

389 ms

side_ar-262gm_01.gif

side_ar-262gm_01.gif

389 ms

side_ar-191gm_01.gif

side_ar-191gm_01.gif

574 ms

side_ar-131rm_01.gif

side_ar-131rm_01.gif

576 ms

side_ar-161gm_01.gif

side_ar-161gm_01.gif

582 ms

side_03_02.jpg

side_03_02.jpg

583 ms

side_ar-383ga_01.gif

side_ar-383ga_01.gif

584 ms

side_ar-333ra_01.gif

side_ar-333ra_01.gif

765 ms

side_ar-313ea_01.gif

side_ar-313ea_01.gif

768 ms

side_ar-303ga_01.gif

side_ar-303ga_01.gif

797 ms

side_ar-353ga_01.gif

side_ar-353ga_01.gif

797 ms

side_ar-282ga_01.gif

side_ar-282ga_01.gif

797 ms

side_ar-212ea_01.gif

side_ar-212ea_01.gif

977 ms

side_ar-222ra_01.gif

side_ar-222ra_01.gif

977 ms

side_ar-202ga_01.gif

side_ar-202ga_01.gif

979 ms

side_ar-252ga_01.gif

side_ar-252ga_01.gif

979 ms

side_ar-181ga_01.gif

side_ar-181ga_01.gif

980 ms

side_ar-111ea_01.gif

side_ar-111ea_01.gif

980 ms

side_ar-121ra_01.gif

side_ar-121ra_01.gif

1149 ms

side_ar-101la_01.gif

side_ar-101la_01.gif

1151 ms

side_ar-151ga_01.gif

side_ar-151ga_01.gif

1157 ms

side_03_03.jpg

side_03_03.jpg

1158 ms

side_g700s_01.gif

side_g700s_01.gif

1160 ms

side_02_02.jpg

side_02_02.jpg

1162 ms

side_va555s_01.gif

side_va555s_01.gif

1339 ms

side_va-810e_01.gif

side_va-810e_01.gif

1340 ms

side_va-840r_01.gif

side_va-840r_01.gif

1349 ms

right_image.png

right_image.png

2372 ms

img_a.png

img_a.png

790 ms

img_b.png

img_b.png

580 ms

img_c.png

img_c.png

584 ms

img_d.png

img_d.png

792 ms

bannar_toppage_gisou_notice_2.jpg

bannar_toppage_gisou_notice_2.jpg

1341 ms

bannar_toppage_2.jpg

bannar_toppage_2.jpg

2183 ms

newrelease.png

newrelease.png

973 ms

bt_ra_product.jpg

bt_ra_product.jpg

1165 ms

information.png

information.png

1148 ms

bt_side_obd2.jpg

bt_side_obd2.jpg

1723 ms

bt_side_assura-link.gif

bt_side_assura-link.gif

1360 ms

bt_recorder_connect.jpg

bt_recorder_connect.jpg

1723 ms

bt_side_support.jpg

bt_side_support.jpg

1790 ms

bt_side_mailmagazine.jpg

bt_side_mailmagazine.jpg

1714 ms

bt_side_bj.jpg

bt_side_bj.jpg

1907 ms

bt_side_minkara.jpg

bt_side_minkara.jpg

2178 ms

bt_side_direct.gif

bt_side_direct.gif

1913 ms

side_va-710e_01.gif

side_va-710e_01.gif

1346 ms

side_va-610e_01.gif

side_va-610e_01.gif

1172 ms

side_va585g_01.gif

side_va585g_01.gif

1170 ms

side_va-578g_01.gif

side_va-578g_01.gif

1345 ms

side_548r_01.gif

side_548r_01.gif

1346 ms

139 ms

xd_arbiter.php

xd_arbiter.php

209 ms

xd_arbiter.php

xd_arbiter.php

423 ms

side_va515e_01.gif

side_va515e_01.gif

1170 ms

option.jpg

option.jpg

1175 ms

side_01_20.jpg

side_01_20.jpg

1174 ms

side_02_30.jpg

side_02_30.jpg

1174 ms

side_gr-81_01.gif

side_gr-81_01.gif

1341 ms

side_01_02.jpg

side_01_02.jpg

1156 ms

side_02_06.jpg

side_02_06.jpg

1170 ms

side_alpha-d1v_01.gif

side_alpha-d1v_01.gif

1168 ms

side_alpha-f5v_01.gif

side_alpha-f5v_01.gif

1168 ms

side_01_09.jpg

side_01_09.jpg

1165 ms

side_02_25.jpg

side_02_25.jpg

1155 ms

side_csd-500fhr_01.gif

side_csd-500fhr_01.gif

1153 ms

cse.js

cse.js

131 ms

information.php

information.php

1179 ms

side_csd-570fh_01.gif

side_csd-570fh_01.gif

1143 ms

side_csd-560fh_01.gif

side_csd-560fh_01.gif

1145 ms

side_csd-390hd_01.gif

side_csd-390hd_01.gif

1146 ms

side_csd-350hd.gif

side_csd-350hd.gif

1146 ms

ga.js

ga.js

30 ms

__utm.gif

__utm.gif

12 ms

like_box.php

like_box.php

245 ms

jsapi

jsapi

20 ms

default+ja.css

default+ja.css

3 ms

default.css

default.css

34 ms

default+ja.I.js

default+ja.I.js

9 ms

side_csd-360hd_01.gif

side_csd-360hd_01.gif

1212 ms

default.css

default.css

79 ms

side_02_26.jpg

side_02_26.jpg

1208 ms

side_tr-570_01.gif

side_tr-570_01.gif

1209 ms

side_tr-390_01.gif

side_tr-390_01.gif

1208 ms

side_tr-350_01.gif

side_tr-350_01.gif

1208 ms

async-ads.js

async-ads.js

54 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

31 ms

small-logo.png

small-logo.png

17 ms

search_box_icon.png

search_box_icon.png

18 ms

clear.gif

clear.gif

18 ms

nav_logo114.png

nav_logo114.png

7 ms

side_tr-360_01.gif

side_tr-360_01.gif

1172 ms

3W9xHd7cQOv.css

3W9xHd7cQOv.css

284 ms

IANfC_r349u.css

IANfC_r349u.css

352 ms

RTH154O-1kj.css

RTH154O-1kj.css

424 ms

A3Akrd423kY.css

A3Akrd423kY.css

550 ms

6B3ioE5wE2G.css

6B3ioE5wE2G.css

561 ms

Eza4GWG2hLk.css

Eza4GWG2hLk.css

567 ms

XhL-BQmRirR.css

XhL-BQmRirR.css

488 ms

_rx8naC75Dy.js

_rx8naC75Dy.js

619 ms

x5F9OMjKyLw.js

x5F9OMjKyLw.js

640 ms

ICDbTSzjQEg.js

ICDbTSzjQEg.js

575 ms

TTCre3391I0.js

TTCre3391I0.js

618 ms

njO1TPvGzoR.js

njO1TPvGzoR.js

657 ms

b_6HNn_J2BZ.js

b_6HNn_J2BZ.js

658 ms

7cm7D75Y0Sf.js

7cm7D75Y0Sf.js

688 ms

rFmE1g6Dkoz.js

rFmE1g6Dkoz.js

882 ms

336JejShbZp.js

336JejShbZp.js

683 ms

W0OV23mIOyO.js

W0OV23mIOyO.js

684 ms

hdPYw5PFPz4.js

hdPYw5PFPz4.js

752 ms

JMI5tmJvZMw.js

JMI5tmJvZMw.js

685 ms

D6JJJzT-tB6.js

D6JJJzT-tB6.js

750 ms

tIFXiEZJgab.js

tIFXiEZJgab.js

751 ms

36TdwhIHusi.js

36TdwhIHusi.js

754 ms

DusqSB58d-B.js

DusqSB58d-B.js

754 ms

NPuyGQIfUx-.js

NPuyGQIfUx-.js

914 ms

side_01_03.jpg

side_01_03.jpg

1230 ms

side_drc_01.jpg

side_drc_01.jpg

1225 ms

side_drc-1500_01.gif

side_drc-1500_01.gif

1223 ms

side_drc-200_01.gif

side_drc-200_01.gif

1226 ms

side_drc-1000_01.gif

side_drc-1000_01.gif

1222 ms

side_drc-600_01.gif

side_drc-600_01.gif

1215 ms

side_drc-300_01.gif

side_drc-300_01.gif

1227 ms

side_02_07.jpg

side_02_07.jpg

1226 ms

side_04_149.jpg

side_04_149.jpg

1224 ms

side_04_21.jpg

side_04_21.jpg

1222 ms

side_04_148.jpg

side_04_148.jpg

1221 ms

side_02_09.jpg

side_02_09.jpg

1221 ms

side_04_61.jpg

side_04_61.jpg

1225 ms

side_02_10.jpg

side_02_10.jpg

1225 ms

side_01_04.jpg

side_01_04.jpg

1223 ms

side_02_12.jpg

side_02_12.jpg

1217 ms

side_04_105.jpg

side_04_105.jpg

1214 ms

side_02_13.jpg

side_02_13.jpg

1214 ms

side_ftu_30g_01.jpg

side_ftu_30g_01.jpg

1225 ms

side_ftu_30.jpg

side_ftu_30.jpg

1225 ms

side_ftu_50.jpg

side_ftu_50.jpg

1221 ms

side_ftu_70.jpg

side_ftu_70.jpg

1219 ms

side_ftu_90.jpg

side_ftu_90.jpg

1219 ms

side_04_107.jpg

side_04_107.jpg

1220 ms

side_04_108.jpg

side_04_108.jpg

1225 ms

side_02_14.jpg

side_02_14.jpg

1226 ms

side_04_109.jpg

side_04_109.jpg

1222 ms

side_04_110.jpg

side_04_110.jpg

1220 ms

side_02_15.jpg

side_02_15.jpg

1221 ms

side_04_104.jpg

side_04_104.jpg

1222 ms

1508210_814960938611725_1281267107635633381_n.jpg

1508210_814960938611725_1281267107635633381_n.jpg

119 ms

311326_121893011251858_125634502_n.jpg

311326_121893011251858_125634502_n.jpg

111 ms

12672637_950823988358752_1318212680_n.jpg

12672637_950823988358752_1318212680_n.jpg

112 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

107 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

107 ms

QDwYpIaRyfG.png

QDwYpIaRyfG.png

107 ms

l5aPruN9xMM.png

l5aPruN9xMM.png

107 ms

a-ZN6WoEOje.png

a-ZN6WoEOje.png

106 ms

Fl1c2TVhCj-.png

Fl1c2TVhCj-.png

78 ms

information.css

information.css

1148 ms

side_04_103.jpg

side_04_103.jpg

1149 ms

side_02_16.jpg

side_02_16.jpg

1167 ms

side_04_102.jpg

side_04_102.jpg

1168 ms

side_04_100.jpg

side_04_100.jpg

1171 ms

side_04_98.jpg

side_04_98.jpg

1171 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

69 ms

vlXaquuXMrr.js

vlXaquuXMrr.js

134 ms

side_04_99.jpg

side_04_99.jpg

1148 ms

side_04_97.jpg

side_04_97.jpg

1148 ms

side_04_96.jpg

side_04_96.jpg

1167 ms

side_04_95.jpg

side_04_95.jpg

1168 ms

side_04_94.jpg

side_04_94.jpg

1165 ms

side_04_92.jpg

side_04_92.jpg

1165 ms

side_02_17.jpg

side_02_17.jpg

1148 ms

side_04_93.jpg

side_04_93.jpg

1148 ms

side_04_115.jpg

side_04_115.jpg

1170 ms

side_02_18.jpg

side_02_18.jpg

1168 ms

side_01_05.jpg

side_01_05.jpg

1168 ms

side_dcu.jpg

side_dcu.jpg

1168 ms

side_dcu-310_01.gif

side_dcu-310_01.gif

1149 ms

side_dcu_302.jpg

side_dcu_302.jpg

1149 ms

side_dc.jpg

side_dc.jpg

1168 ms

side_01_06.jpg

side_01_06.jpg

1168 ms

side_01_07.jpg

side_01_07.jpg

1167 ms

side_01_25.jpg

side_01_25.jpg

1167 ms

side_01_08.jpg

side_01_08.jpg

1148 ms

ar-393gm-thumb-110xauto-3379.jpg

ar-393gm-thumb-110xauto-3379.jpg

1151 ms

ar-383ga-thumb-110xauto-3380.jpg

ar-383ga-thumb-110xauto-3380.jpg

1167 ms

ar-333ra-thumb-110xauto-3376.jpg

ar-333ra-thumb-110xauto-3376.jpg

1362 ms

ar-313ea-thumb-110xauto-3375.jpg

ar-313ea-thumb-110xauto-3375.jpg

1167 ms

ar-303ga-thumb-110xauto-3374.jpg

ar-303ga-thumb-110xauto-3374.jpg

1167 ms

va-810e-thumb-110xauto-3373.jpg

va-810e-thumb-110xauto-3373.jpg

1148 ms

img_ttl_software.png

img_ttl_software.png

1149 ms

top_jp_banner.jpg

top_jp_banner.jpg

1786 ms

gps_date_top.gif

gps_date_top.gif

1168 ms

otif_date_top.gif

otif_date_top.gif

1165 ms

gasoline_date.gif

gasoline_date.gif

1317 ms

footNav01.gif

footNav01.gif

1149 ms

footNav02.gif

footNav02.gif

1179 ms

footNav03.gif

footNav03.gif

1168 ms

footNav04.gif

footNav04.gif

1167 ms

footNav05.gif

footNav05.gif

1318 ms

footCopy.gif

footCopy.gif

1318 ms

footbg.gif

footbg.gif

1192 ms

print.css

print.css

197 ms

SEO Factors

cellstar.co.jp SEO score

0

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 Cellstar.co.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 Cellstar.co.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

cellstar.co.jp

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