Report Summary

  • 25

    Performance

    Renders faster than
    45% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

illust-box.jp

9月・お花見・お月見の無料イラスト&テンプレートをダウンロード

Page Load Speed

7 sec in total

First Response

405 ms

Resources Loaded

6.5 sec

Page Rendered

106 ms

illust-box.jp screenshot

About Website

Visit illust-box.jp now to see the best up-to-date Illust Box content for Japan and also check out these interesting facts you probably never knew about illust-box.jp

イラストボックスでは無料で使える9月・お花見・お月見のイラストなど多くの素材がご利用が可能となります。商用利用に関しても全てのイラストが無料にてご利用頂けます。お気軽にイラストをご利用くださいませ♪

Visit illust-box.jp

Key Findings

We analyzed Illust-box.jp page load time and found that the first response time was 405 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

illust-box.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,200 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

illust-box.jp

405 ms

www.illust-box.jp

640 ms

font-awesome.min.css

466 ms

index.css

323 ms

member.css

822 ms

Our browser made a total of 162 requests to load all elements on the main page. We found that 70% of them (113 requests) were addressed to the original Illust-box.jp, 4% (7 requests) were made to Apis.google.com and 3% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Illust-box.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 621.4 kB (65%)

Content Size

958.5 kB

After Optimization

337.1 kB

In fact, the total size of Illust-box.jp main page is 958.5 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. 60% of websites need less resources to load. CSS take 461.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 31.1 kB

  • Original 38.4 kB
  • After minification 34.1 kB
  • After compression 7.3 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 4.3 kB, which is 11% 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 31.1 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 23.9 kB

  • Original 225.5 kB
  • After minification 201.5 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. Obviously, Illust Box needs image optimization as it can save up to 23.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 154.9 kB

  • Original 232.9 kB
  • After minification 208.3 kB
  • After compression 78.0 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 154.9 kB or 67% of the original size.

CSS Optimization

-89%

Potential reduce by 411.5 kB

  • Original 461.8 kB
  • After minification 356.7 kB
  • After compression 50.2 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. Illust-box.jp needs all CSS files to be minified and compressed as it can save up to 411.5 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (40%)

Requests Now

157

After Optimization

94

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Illust Box. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

illust-box.jp accessibility score

59

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

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

illust-box.jp best practices score

83

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

illust-box.jp SEO score

76

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Illust-box.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Illust-box.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

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