Tools & Wizards About Us
blackburn.jp screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

blackburn.jp

【ミリタリーギア・BlackBurn】サバイバルゲーム用品最大40%OFF！・ミリタリーアイテム・サバゲ用品格安通販店

Page Load Speed

7.2 sec in total

First Response

1.1 sec

Resources Loaded

4.9 sec

Page Rendered

1.1 sec

blackburn.jp screenshot

About Website

Welcome to blackburn.jp homepage info - get ready to check Black Burn best content for Japan right away, or after learning these important things about blackburn.jp

新潟市中央区にあるミリタリー専門ショップ、ミリタリーギアブラックバーン（Blackburn）のウェブサイトです。カスタムやメンテナンスを実施しておりサバイバルゲーマーのためのお店です。中古品の高価買取格安販売もあります。

Visit blackburn.jp

Key Findings

We analyzed Blackburn.jp page load time and found that the first response time was 1.1 sec and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

blackburn.jp performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value14.3 s

1/100

10%

TBT (Total Blocking Time)

Value11,830 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.157

74/100

15%

TTI (Time to Interactive)

Value27.6 s

0/100

10%

Network Requests Diagram

blackburn.jp

1128 ms

colormekit.css

351 ms

colormekit-responsive.css

495 ms

index.css

162 ms

top.css

164 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 5% of them (8 requests) were addressed to the original Blackburn.jp, 43% (67 requests) were made to Img09.shop-pro.jp and 14% (22 requests) were made to File002.shop-pro.jp. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source File002.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (29%)

Content Size

4.6 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackburn.jp main page is 4.6 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 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 324.0 kB

  • Original 347.7 kB
  • After minification 206.1 kB
  • After compression 23.7 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. This page needs HTML code to be minified as it can gain 141.6 kB, which is 41% 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 324.0 kB or 93% of the original size.

Image Optimization

-24%

Potential reduce by 1.0 MB

  • Original 4.2 MB
  • After minification 3.2 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. Obviously, Black Burn needs image optimization as it can save up to 1.0 MB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 5.7 kB

  • Original 47.9 kB
  • After minification 47.4 kB
  • After compression 42.2 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 5.7 kB or 12% of the original size.

CSS Optimization

-71%

Potential reduce by 32.4 kB

  • Original 45.6 kB
  • After minification 34.2 kB
  • After compression 13.2 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. Blackburn.jp needs all CSS files to be minified and compressed as it can save up to 32.4 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (29%)

Requests Now

155

After Optimization

110

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Burn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blackburn.jp

blackburn.jp

1128 ms

colormekit.css

colormekit.css

351 ms

colormekit-responsive.css

colormekit-responsive.css

495 ms

index.css

index.css

162 ms

top.css

top.css

164 ms

jquery.min.js

jquery.min.js

20 ms

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165 ms

smoothscroll.js

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166 ms

utility.index.js

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167 ms

widgets.js

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91 ms

cart.js

cart.js

392 ms

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487 ms

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565 ms

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568 ms

favorite_button.js

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571 ms

221

221

912 ms

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809 ms

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26 ms

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1362 ms

icon_payment_bank.png

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60 ms

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61 ms

icon_payment_cod.png

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65 ms

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65 ms

icon_payment_credit_mastercard.png

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66 ms

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63 ms

icon_payment_credit_visa.png

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61 ms

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62 ms

card2.gif

card2.gif

65 ms

card18.gif

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67 ms

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68 ms

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66 ms

powered.png

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66 ms

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1145 ms

construction.jpg

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1305 ms

90days_warranty_800x160.png

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1485 ms

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1450 ms

shopbanner.jpg

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1831 ms

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1647 ms

rsstitle.jpg

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2111 ms

shippingfee.jpg

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1809 ms

stop.png

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2034 ms

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1836 ms

used.png

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2146 ms

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1995 ms

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2131 ms

blog.jpg

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2153 ms

paypal.jpg

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2712 ms

acc-track.js

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856 ms

aibis.js

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782 ms

index.php

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987 ms

icon24_w.png

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52 ms

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51 ms

60x500.png

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2698 ms

bg_header.jpg

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2267 ms

top_header_bg.jpg

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2783 ms

zaiko.gif

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2755 ms

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1149 ms

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617 ms

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1320 ms

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623 ms

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56 ms

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989 ms

settings

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68 ms

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945 ms

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1457 ms

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930 ms

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23 ms

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1080 ms

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999 ms

BBSABAGE

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1009 ms

widget.js.php

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733 ms

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1120 ms

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898 ms

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172 ms

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148 ms

Accessibility Review

blackburn.jp accessibility score

46

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

blackburn.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

Missing source maps for large first-party JavaScript

SEO Factors

blackburn.jp SEO score

83

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackburn.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 Blackburn.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

blackburn.jp

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