Tools & Wizards About Us
kurogane.biz screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

kurogane.biz

鋼鉄.biz −鋼を身にまとうつわものたち− くろがね

Page Load Speed

2.5 sec in total

First Response

814 ms

Resources Loaded

1.6 sec

Page Rendered

111 ms

kurogane.biz screenshot

About Website

Welcome to kurogane.biz homepage info - get ready to check Kurogane best content for Japan right away, or after learning these important things about kurogane.biz

鋼鉄（くろがね）.biz 鋼鉄を身にまとうつわものと、それを取り巻く者達を取り扱う（予定の）サイト。 現在は鋼鉄の咆哮 ウォーシップガンナー２と大航海時代IV、戦場のヴァルキュリアなどのゲーム攻略情報を掲載。 戦車、装甲車などの装甲戦闘車両（AFV）。軍艦。ロボット、サイボーグ、モビルスーツ、AC、メック。 及びそれらを扱うゲーム（攻略記、アイテムデータ、秘技、コードネーム）など。

Visit kurogane.biz

Key Findings

We analyzed Kurogane.biz page load time and found that the first response time was 814 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

kurogane.biz performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

kurogane.biz

814 ms

style.css

694 ms

Logo_25blk_75-25.gif

728 ms

bt_search.jpg

728 ms

top_image.jpg

173 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 71% of them (5 requests) were addressed to the original Kurogane.biz, 29% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (814 ms) belongs to the original domain Kurogane.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.1 kB (25%)

Content Size

52.3 kB

After Optimization

39.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kurogane.biz main page is 52.3 kB. 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 10% of websites need less resources to load. Images take 17.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 10.0 kB

  • Original 14.2 kB
  • After minification 11.7 kB
  • After compression 4.2 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. This page needs HTML code to be minified as it can gain 2.5 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 10.0 kB or 70% of the original size.

Image Optimization

-3%

Potential reduce by 495 B

  • Original 17.7 kB
  • After minification 17.2 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. Kurogane images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-81%

Potential reduce by 2.6 kB

  • Original 3.2 kB
  • After minification 2.5 kB
  • After compression 605 B

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. Kurogane.biz needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kurogane. According to our analytics all requests are already optimized.

Network Requests Diagram

kurogane.biz

kurogane.biz

814 ms

style.css

style.css

694 ms

Logo_25blk_75-25.gif

Logo_25blk_75-25.gif

728 ms

bt_search.jpg

bt_search.jpg

728 ms

top_image.jpg

top_image.jpg

173 ms

ga.js

ga.js

26 ms

__utm.gif

__utm.gif

10 ms

Accessibility Review

kurogane.biz accessibility score

61

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

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 valid value for its [lang] attribute.

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

kurogane.biz best practices score

75

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

SEO Factors

kurogane.biz SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JP

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kurogane.biz can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed language. Our system also found out that Kurogane.biz 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

kurogane.biz

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