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black-symphony.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

black-symphony.com

クロムハーツ通販専門店ブラックシンフォニー

Page Load Speed

8 sec in total

First Response

537 ms

Resources Loaded

5.9 sec

Page Rendered

1.6 sec

black-symphony.com screenshot

About Website

Welcome to black-symphony.com homepage info - get ready to check Black Symphony best content for Japan right away, or after learning these important things about black-symphony.com

クロムハーツ【Chrome Hearts】通販専門店ブラックシンフォニー。クロムハーツ正規店舗より直輸入。全国送料無料 創業15年、発送実績2万件以上。新品の正真正銘の正規商品のみを取り扱っています。安心の本物保証とアフターサービスも充実。

Visit black-symphony.com

Key Findings

We analyzed Black-symphony.com page load time and found that the first response time was 537 ms and then it took 7.5 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

black-symphony.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.456

19/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

black-symphony.com

537 ms

www.black-symphony.com

1081 ms

sps_common.css

358 ms

default.css

660 ms

jquery.min.js

26 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 45% of them (66 requests) were addressed to the original Black-symphony.com, 46% (67 requests) were made to Image1.shopserve.jp and 3% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Image1.shopserve.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.9 kB (5%)

Content Size

4.1 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Black-symphony.com main page is 4.1 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. 65% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 80.2 kB

  • Original 95.3 kB
  • After minification 77.7 kB
  • After compression 15.0 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 17.6 kB, which is 18% 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 80.2 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 24.9 kB

  • Original 3.8 MB
  • After minification 3.8 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. Black Symphony images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 72.8 kB

  • Original 188.2 kB
  • After minification 188.2 kB
  • After compression 115.4 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 72.8 kB or 39% of the original size.

CSS Optimization

-28%

Potential reduce by 8.9 kB

  • Original 31.6 kB
  • After minification 31.6 kB
  • After compression 22.7 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. Black-symphony.com needs all CSS files to be minified and compressed as it can save up to 8.9 kB or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (13%)

Requests Now

144

After Optimization

125

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 144 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Symphony. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

black-symphony.com

black-symphony.com

537 ms

www.black-symphony.com

www.black-symphony.com

1081 ms

sps_common.css

sps_common.css

358 ms

default.css

default.css

660 ms

jquery.min.js

jquery.min.js

26 ms

js

js

58 ms

jquery.tile.js

jquery.tile.js

503 ms

jquery.distile.js

jquery.distile.js

505 ms

floating_menu.js

floating_menu.js

521 ms

js

js

121 ms

pcsmpflg.js

pcsmpflg.js

529 ms

jquery.bxslider.css

jquery.bxslider.css

547 ms

jquery.min.js

jquery.min.js

25 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

765 ms

estore_beacon.js

estore_beacon.js

46 ms

analytics.js

analytics.js

187 ms

gtm.js

gtm.js

186 ms

glovalnabi_TOP.jpg

glovalnabi_TOP.jpg

457 ms

chromhearts_Blacjsymphony_header.jpg

chromhearts_Blacjsymphony_header.jpg

257 ms

glovalnabi_Mali.jpg

glovalnabi_Mali.jpg

185 ms

zaikoari-banner-1017.jpg

zaikoari-banner-1017.jpg

522 ms

chromeheartscapstand.jpg

chromeheartscapstand.jpg

542 ms

oudounecklesbannerpc.jpg

oudounecklesbannerpc.jpg

819 ms

201901217smp-banner-2.jpg

201901217smp-banner-2.jpg

392 ms

goldjw12019.jpg

goldjw12019.jpg

707 ms

pair2022.jpg

pair2022.jpg

574 ms

2023112002.jpg

2023112002.jpg

566 ms

chromehearts-work-dog-indigo-denimshirt-pickup.jpg

chromehearts-work-dog-indigo-denimshirt-pickup.jpg

866 ms

icon_new.png

icon_new.png

705 ms

chromehearts_dagger_pendant_640.jpg

chromehearts_dagger_pendant_640.jpg

897 ms

chromehearts_CHplus_stud22K_640.jpg

chromehearts_CHplus_stud22K_640.jpg

917 ms

Voice2018-01.jpg

Voice2018-01.jpg

871 ms

Voice2018-02.jpg

Voice2018-02.jpg

872 ms

Voice2018-03.jpg

Voice2018-03.jpg

995 ms

Voice2018-04.jpg

Voice2018-04.jpg

1039 ms

5-150x150.jpg

5-150x150.jpg

1054 ms

honmononoakashi_banner.jpg

honmononoakashi_banner.jpg

1040 ms

chrome_hearts_after_service_banner.jpg

chrome_hearts_after_service_banner.jpg

1064 ms

chromehearts_okyakusamanokoe_banner.jpg

chromehearts_okyakusamanokoe_banner.jpg

1088 ms

ring_menu.jpg

ring_menu.jpg

1172 ms

charm_menu.jpg

charm_menu.jpg

1212 ms

pendant_menu.jpg

pendant_menu.jpg

1206 ms

chain_menu.jpg

chain_menu.jpg

1219 ms

dogtag_menu.jpg

dogtag_menu.jpg

1231 ms

Earring_menu.jpg

Earring_menu.jpg

1261 ms

bracelet_menu.jpg

bracelet_menu.jpg

1348 ms

walletchain_menu.jpg

walletchain_menu.jpg

1373 ms

keyring_menu.jpg

keyring_menu.jpg

1385 ms

22kgold_menu.jpg

22kgold_menu.jpg

1382 ms

pairring_menu.jpg

pairring_menu.jpg

1397 ms

set_menu.jpg

set_menu.jpg

1434 ms

wallet_menu.jpg

wallet_menu.jpg

1525 ms

glovalnabi_cate.jpg

glovalnabi_cate.jpg

560 ms

glovalnabi_money.jpg

glovalnabi_money.jpg

727 ms

glovalnabi_QA.jpg

glovalnabi_QA.jpg

730 ms

glovalnabi_bisines.jpg

glovalnabi_bisines.jpg

571 ms

glovalnabi_cart.jpg

glovalnabi_cart.jpg

746 ms

chromehearts_spacer_forever_ring_640.jpg

chromehearts_spacer_forever_ring_640.jpg

789 ms

chromehearts_tiny_cross_charm_640.jpg

chromehearts_tiny_cross_charm_640.jpg

743 ms

chromehearts_ch_cross_pendant_small_bale_640.jpg

chromehearts_ch_cross_pendant_small_bale_640.jpg

749 ms

chromehearts_plus_stud_640.jpg

chromehearts_plus_stud_640.jpg

1244 ms

chromehearts_bracelet-papaer-chain_8_640.jpg

chromehearts_bracelet-papaer-chain_8_640.jpg

909 ms

chromehearts_wave_cross_button_wallet_640.jpg

chromehearts_wave_cross_button_wallet_640.jpg

915 ms

chromehearts_tiny_e_ring_640.jpg

chromehearts_tiny_e_ring_640.jpg

923 ms

chromehearts_keeper_pendant_640.jpg

chromehearts_keeper_pendant_640.jpg

932 ms

chromehearts__nechchain_640.jpg

chromehearts__nechchain_640.jpg

1643 ms

chromehearts_lace_stopper_640.jpg

chromehearts_lace_stopper_640.jpg

1259 ms

chromehearts_trucker-cap-ch-camo_2012_640.jpg

chromehearts_trucker-cap-ch-camo_2012_640.jpg

1267 ms

chromehearts_bubblegum_ring_pyramid_CHplus_22k_640.jpg

chromehearts_bubblegum_ring_pyramid_CHplus_22k_640.jpg

1282 ms

chromehearts-classic-oval-pendant-diamond-640.jpg

chromehearts-classic-oval-pendant-diamond-640.jpg

1285 ms

chromehearts_spacer_forever_ring_640.jpg

chromehearts_spacer_forever_ring_640.jpg

1417 ms

chromehearts_cemetary_ring_640_5.jpg

chromehearts_cemetary_ring_640_5.jpg

1616 ms

chromehearts_floral_cross_ring_640.jpg

chromehearts_floral_cross_ring_640.jpg

1441 ms

chromehearts_spacer_fuckyou_ring_640.jpg

chromehearts_spacer_fuckyou_ring_640.jpg

1461 ms

chromehearts_22k_baby_classic_floral_ring_640-sam.jpg

chromehearts_22k_baby_classic_floral_ring_640-sam.jpg

1635 ms

chromehearts_bubblegum_ring_pyramid_CHplus_640.jpg

chromehearts_bubblegum_ring_pyramid_CHplus_640.jpg

1762 ms

chromehearts_plus_stud_640.jpg

chromehearts_plus_stud_640.jpg

1618 ms

chromehearts-Tinystack-chcross-640.jpg

chromehearts-Tinystack-chcross-640.jpg

1633 ms

tiny-ch-plus-drop-earring-22k-s-640.jpg

tiny-ch-plus-drop-earring-22k-s-640.jpg

1787 ms

chromehearts-chromehearts-pc-jojo-640.jpg

chromehearts-chromehearts-pc-jojo-640.jpg

1964 ms

chromehearts_star_stud_640.jpg

chromehearts_star_stud_640.jpg

1981 ms

chromehearts_cross_baby_fat_charm_blue_s_640_6.jpg

chromehearts_cross_baby_fat_charm_blue_s_640_6.jpg

1810 ms

chromehearts_david-star-charm_640.jpg

chromehearts_david-star-charm_640.jpg

1827 ms

chromehearts-framed-bs-charm-22k-640.jpg

chromehearts-framed-bs-charm-22k-640.jpg

2580 ms

chromehearts_one_ball_cross_charm_640.jpg

chromehearts_one_ball_cross_charm_640.jpg

1962 ms

chromehearts-filigreecross-charm.jpg

chromehearts-filigreecross-charm.jpg

2160 ms

chromehearts_bs_fleur_pendant_bale_640_4.jpg

chromehearts_bs_fleur_pendant_bale_640_4.jpg

1832 ms

belt_menu.jpg

belt_menu.jpg

1458 ms

bag_menu.jpg

bag_menu.jpg

1371 ms

linkid.js

linkid.js

154 ms

ec.js

ec.js

161 ms

collect

collect

158 ms

coinpurse_menu.jpg

coinpurse_menu.jpg

1308 ms

leatherother_menu.jpg

leatherother_menu.jpg

1305 ms

gtm.js

gtm.js

162 ms

apparel_menu.jpg

apparel_menu.jpg

1217 ms

collect

collect

3 ms

collect

collect

13 ms

ga-audiences

ga-audiences

44 ms

chromehearts_3trinkets_pendant_paper_640.jpg

chromehearts_3trinkets_pendant_paper_640.jpg

1887 ms

cap_menu.jpg

cap_menu.jpg

1186 ms

zippo_menu.jpg

zippo_menu.jpg

1169 ms

Dcross-pendant-small-bale-640.jpg

Dcross-pendant-small-bale-640.jpg

1592 ms

other_menu.jpg

other_menu.jpg

1150 ms

care_menu.jpg

care_menu.jpg

1162 ms

chromehearts_david_star_pendant_large_640.jpg

chromehearts_david_star_pendant_large_640.jpg

1577 ms

chromehearts_geinoujin_banner.jpg

chromehearts_geinoujin_banner.jpg

1030 ms

ninki_rank02_s.jpg

ninki_rank02_s.jpg

1077 ms

chromehearts_floral-id-fancy-chain_bracelet11_640_5.jpg

chromehearts_floral-id-fancy-chain_bracelet11_640_5.jpg

1439 ms

chromehearts_tiny-keeper-link-bracelet_640.jpg

chromehearts_tiny-keeper-link-bracelet_640.jpg

1596 ms

chromehearts_bracelet-papaer-chain_8_640.jpg

chromehearts_bracelet-papaer-chain_8_640.jpg

1788 ms

chromehearts_spacer-9mm-godblesstheworld-bangle_640.jpg

chromehearts_spacer-9mm-godblesstheworld-bangle_640.jpg

1593 ms

chromehearts_bracelet-classic-chain_640.jpg

chromehearts_bracelet-classic-chain_640.jpg

2421 ms

chromehearts_cross_charm_22k_640_5.jpg

chromehearts_cross_charm_22k_640_5.jpg

1716 ms

Mente_s.jpg

Mente_s.jpg

1065 ms

color_leather_wallet_bnr.jpg

color_leather_wallet_bnr.jpg

1011 ms

labozaikoari01_s.jpg

labozaikoari01_s.jpg

1009 ms

chromehearts_fuzokuhin_banner.jpg

chromehearts_fuzokuhin_banner.jpg

1029 ms

chromehearts_toha_banner1.jpg

chromehearts_toha_banner1.jpg

1017 ms

chromehearts_babyfat_22k_singlediamond_640.jpg

chromehearts_babyfat_22k_singlediamond_640.jpg

1604 ms

t_search.jpg

t_search.jpg

1040 ms

chromeheaerts-BubblegumRing-CHcross-22k-640.jpg

chromeheaerts-BubblegumRing-CHcross-22k-640.jpg

1609 ms

chromehearts__22k_bubblegum_wddng.jpg

chromehearts__22k_bubblegum_wddng.jpg

1588 ms

chromehearts_judy_wallet_cross_black_640.jpg

chromehearts_judy_wallet_cross_black_640.jpg

1931 ms

submitSearch.gif

submitSearch.gif

1048 ms

cart.png

cart.png

1006 ms

pagetop.gif

pagetop.gif

1022 ms

tracking.php

tracking.php

1032 ms

Tline-scolumn.gif

Tline-scolumn.gif

1023 ms

chormehearts_RECf_Fplus_black_640.jpg

chormehearts_RECf_Fplus_black_640.jpg

1617 ms

chromehearts-1snap-leather-wallet-3cross.jpg

chromehearts-1snap-leather-wallet-3cross.jpg

1444 ms

wave-cross-button-wallet-mini-640.jpg

wave-cross-button-wallet-mini-640.jpg

1451 ms

1zip-leather-wallet-ch-640.jpg

1zip-leather-wallet-ch-640.jpg

1474 ms

chromehearts_quick-clip-crossball_640_6.jpg

chromehearts_quick-clip-crossball_640_6.jpg

1599 ms

chromehearts_Split-key-ring-dagger_640.jpg

chromehearts_Split-key-ring-dagger_640.jpg

1981 ms

chromehearts_heart-headband_640.jpg

chromehearts_heart-headband_640.jpg

2167 ms

chromehearts_lace_stopper_640.jpg

chromehearts_lace_stopper_640.jpg

1579 ms

safety-pin-chplus-small-640-3.jpg

safety-pin-chplus-small-640-3.jpg

1433 ms

chrome_hearts_after_service_banner_footer.jpg

chrome_hearts_after_service_banner_footer.jpg

1447 ms

chromehearts_wrapping2013.jpg

chromehearts_wrapping2013.jpg

1584 ms

fittings.jpg

fittings.jpg

1755 ms

fittings_01.jpg

fittings_01.jpg

1604 ms

fittings_02.jpg

fittings_02.jpg

1752 ms

fittings_03.jpg

fittings_03.jpg

1608 ms

fittings_04.jpg

fittings_04.jpg

1603 ms

fittings_06.jpg

fittings_06.jpg

1914 ms

fittings_08.jpg

fittings_08.jpg

1741 ms

Accessibility Review

black-symphony.com accessibility score

67

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

black-symphony.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

black-symphony.com SEO score

71

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

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 doesn't use legible font sizes

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 Black-symphony.com 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 Black-symphony.com 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

black-symphony.com

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