Tools & Wizards About Us
bk83.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

bk83.com

精密板金 wiz｜板金加工のよろずや-長井技研

Page Load Speed

4.8 sec in total

First Response

408 ms

Resources Loaded

3.6 sec

Page Rendered

764 ms

bk83.com screenshot

About Website

Click here to check amazing Bk 83 content for Japan. Otherwise, check out these important facts you probably never knew about bk83.com

薄板金属をフォトエッチング、タレパン、ワイヤー・レーザーカット、プレス量産など各種方法でブランク及び曲げ加工。ステンレス板金加工、アルミ、銅・真鍮・りん青銅等 材質も幅広く対応し、個人様の見積・注文もOK。薄板精密板金加工の（有）長井技研。山形県長井市。

Visit bk83.com

Key Findings

We analyzed Bk83.com page load time and found that the first response time was 408 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bk83.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value29,330 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value40.7 s

0/100

10%

Network Requests Diagram

bk83.com

408 ms

www.bk83.com

568 ms

base.css

318 ms

show_ads.js

7 ms

brand

36 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 15% of them (20 requests) were addressed to the original Bk83.com, 15% (20 requests) were made to Static.xx.fbcdn.net and 12% (16 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Encrypted-tbn3.gstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 536.9 kB (50%)

Content Size

1.1 MB

After Optimization

528.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bk83.com main page is 1.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 725.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 40.6 kB

  • Original 55.8 kB
  • After minification 51.9 kB
  • After compression 15.2 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 40.6 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 10.3 kB

  • Original 279.2 kB
  • After minification 268.9 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. Bk 83 images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 481.9 kB

  • Original 725.3 kB
  • After minification 724.9 kB
  • After compression 243.4 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 481.9 kB or 66% of the original size.

CSS Optimization

-80%

Potential reduce by 4.1 kB

  • Original 5.1 kB
  • After minification 3.6 kB
  • After compression 1.0 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. Bk83.com needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (50%)

Requests Now

119

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bk 83. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bk83.com

bk83.com

408 ms

www.bk83.com

www.bk83.com

568 ms

base.css

base.css

318 ms

show_ads.js

show_ads.js

7 ms

brand

brand

36 ms

l.j

l.j

327 ms

brand

brand

27 ms

all.js

all.js

30 ms

fwiz.1.gif

fwiz.1.gif

155 ms

addmy_btn.gif

addmy_btn.gif

1016 ms

tfg.gif

tfg.gif

574 ms

bg_menu_off.gif

bg_menu_off.gif

231 ms

bg_contents.gif

bg_contents.gif

337 ms

image.gif

image.gif

1206 ms

mitumori3.gif

mitumori3.gif

378 ms

campaignbannerbk83.gif

campaignbannerbk83.gif

611 ms

bktopsample01.jpg

bktopsample01.jpg

572 ms

bktopsample02.jpg

bktopsample02.jpg

740 ms

bktopsample03.jpg

bktopsample03.jpg

980 ms

bktopsample04.jpg

bktopsample04.jpg

950 ms

bktopsample05.jpg

bktopsample05.jpg

1072 ms

masataro_toi.gif

masataro_toi.gif

1379 ms

adress_sub.gif

adress_sub.gif

1070 ms

campaignsidebanner.gif

campaignsidebanner.gif

1487 ms

fwiz

fwiz

230 ms

ca-pub-2720754649029454.js

ca-pub-2720754649029454.js

89 ms

zrt_lookup.html

zrt_lookup.html

154 ms

show_ads_impl.js

show_ads_impl.js

84 ms

maps

maps

119 ms

169 ms

list1.gif

list1.gif

1247 ms

xd_arbiter.php

xd_arbiter.php

90 ms

xd_arbiter.php

xd_arbiter.php

129 ms

ads

ads

215 ms

bg_sub_h2.gif

bg_sub_h2.gif

1227 ms

osd.js

osd.js

67 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

108 ms

ads

ads

282 ms

bg_list.gif

bg_list.gif

1228 ms

embed

embed

200 ms

ads

ads

277 ms

5618e765.js

5618e765.js

855 ms

ads

ads

176 ms

abg.js

abg.js

38 ms

js

js

147 ms

init_embed.js

init_embed.js

68 ms

m_js_controller.js

m_js_controller.js

17 ms

s

s

100 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

125 ms

7225867468540433728

7225867468540433728

108 ms

x_button_blue2.png

x_button_blue2.png

125 ms

favicon

favicon

421 ms

favicon

favicon

241 ms

favicon

favicon

1932 ms

favicon

favicon

757 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

90 ms

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js

26 ms

common.js

common.js

94 ms

map.js

map.js

113 ms

google4.png

google4.png

144 ms

overlay.js

overlay.js

145 ms

util.js

util.js

142 ms

onion.js

onion.js

142 ms

search_impl.js

search_impl.js

170 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

217 ms

stats.js

stats.js

112 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

127 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

63 ms

kh

kh

115 ms

transparent.png

transparent.png

54 ms

controls.js

controls.js

11 ms

css

css

87 ms

entity11.png

entity11.png

46 ms

mapcnt6.png

mapcnt6.png

34 ms

vt

vt

127 ms

vt

vt

119 ms

vt

vt

121 ms

vt

vt

201 ms

vt

vt

149 ms

tmapctrl.png

tmapctrl.png

14 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

67 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

76 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

83 ms

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf

84 ms

bg_totop.gif

bg_totop.gif

472 ms

ga.js

ga.js

9 ms

x.gif

x.gif

153 ms

l165.f

l165.f

362 ms

__utm.gif

__utm.gif

19 ms

ts.gif

ts.gif

298 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

15 ms

trackfeedbargreen.gif

trackfeedbargreen.gif

538 ms

like_box.php

like_box.php

88 ms

post.php

post.php

439 ms

wIQ5cz_qN26.css

wIQ5cz_qN26.css

35 ms

DrE_LqJc1gV.css

DrE_LqJc1gV.css

38 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

37 ms

ehA1CqzHyzE.js

ehA1CqzHyzE.js

57 ms

0wM5s1Khldu.js

0wM5s1Khldu.js

34 ms

1bNoFZUdlYZ.js

1bNoFZUdlYZ.js

34 ms

activeview

activeview

92 ms

552865_129387973858229_1794163069_n.jpg

552865_129387973858229_1794163069_n.jpg

135 ms

533978_130554477074912_218370880_n.jpg

533978_130554477074912_218370880_n.jpg

17 ms

12249646_119359745094541_8482912487205619690_n.jpg

12249646_119359745094541_8482912487205619690_n.jpg

17 ms

307109_142429802517600_3345968_n.jpg

307109_142429802517600_3345968_n.jpg

22 ms

1170728_125436747833299_7953901932461473861_n.jpg

1170728_125436747833299_7953901932461473861_n.jpg

18 ms

150390_1341680761783_1524814_n.jpg

150390_1341680761783_1524814_n.jpg

21 ms

12196247_117747225252547_67638536656246611_n.jpg

12196247_117747225252547_67638536656246611_n.jpg

92 ms

11755676_531417080339497_5619421949242719699_n.jpg

11755676_531417080339497_5619421949242719699_n.jpg

18 ms

261208_140489046031406_2557716_n.jpg

261208_140489046031406_2557716_n.jpg

22 ms

12347642_10207798530859442_5549957943704343648_n.jpg

12347642_10207798530859442_5549957943704343648_n.jpg

23 ms

12661889_176673312710161_1124919820053425471_n.jpg

12661889_176673312710161_1124919820053425471_n.jpg

23 ms

64167_139188746255905_2007451701_n.jpg

64167_139188746255905_2007451701_n.jpg

23 ms

1558539_517866388325830_5910578067451643945_n.jpg

1558539_517866388325830_5910578067451643945_n.jpg

25 ms

523632_272106189577661_2012235877_n.jpg

523632_272106189577661_2012235877_n.jpg

30 ms

942358_488382041236627_1524855594_n.jpg

942358_488382041236627_1524855594_n.jpg

25 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

11 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

10 ms

rq28xVeqcvr.css

rq28xVeqcvr.css

15 ms

7Xt0_ZM6jwc.css

7Xt0_ZM6jwc.css

31 ms

2qKTn8PrC5S.css

2qKTn8PrC5S.css

17 ms

SKUMZfeWCs6.css

SKUMZfeWCs6.css

43 ms

1QuX41zDRrx.js

1QuX41zDRrx.js

65 ms

Oagsvfb4VWi.js

Oagsvfb4VWi.js

64 ms

LTv6ZK-5zxz.js

LTv6ZK-5zxz.js

78 ms

1FCa-btixu2.js

1FCa-btixu2.js

71 ms

njO1TPvGzoR.js

njO1TPvGzoR.js

74 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

70 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

68 ms

1239444_365078960289128_146685250_n.jpg

1239444_365078960289128_146685250_n.jpg

68 ms

QDwYpIaRyfG.png

QDwYpIaRyfG.png

40 ms

Accessibility Review

bk83.com accessibility score

77

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

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

Form elements do not have associated labels

Best Practices

bk83.com best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

bk83.com SEO score

77

Search Engine Optimization Advices

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 Bk83.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 Bk83.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

bk83.com

Open Graph description is not detected on the main page of Bk 83. 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: