Tools & Wizards About Us
qr-code.jp screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

qr-code.jp

かんたん無料QRコード作成 QRコード.jp

Page Load Speed

4.3 sec in total

First Response

925 ms

Resources Loaded

3.2 sec

Page Rendered

179 ms

qr-code.jp screenshot

About Website

Click here to check amazing Qr Code content for Japan. Otherwise, check out these important facts you probably never knew about qr-code.jp

QRコードを無料で作成できるサービス。PNG、SVG、EPSに対応した、カラフルなQRコードや、画像・文字の入ったQRコードも全て無料で作成することができます。

Visit qr-code.jp

Key Findings

We analyzed Qr-code.jp page load time and found that the first response time was 925 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

qr-code.jp performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value1,200 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

qr-code.jp

925 ms

import.css

333 ms

jquery-1.4.2.min.js

1016 ms

rollover.js

342 ms

colorpicker.css

355 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Qr-code.jp, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Qr-code.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 143.5 kB (47%)

Content Size

303.4 kB

After Optimization

159.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Qr-code.jp main page is 303.4 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. 15% of websites need less resources to load. Javascripts take 133.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.6 kB

  • Original 24.6 kB
  • After minification 23.3 kB
  • After compression 5.0 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. 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 19.6 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 1.3 kB

  • Original 98.7 kB
  • After minification 97.4 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. Qr Code images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 83.1 kB

  • Original 133.4 kB
  • After minification 123.1 kB
  • After compression 50.3 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 83.1 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 39.6 kB

  • Original 46.7 kB
  • After minification 30.2 kB
  • After compression 7.1 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. Qr-code.jp needs all CSS files to be minified and compressed as it can save up to 39.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (67%)

Requests Now

42

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qr Code. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

qr-code.jp

qr-code.jp

925 ms

import.css

import.css

333 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1016 ms

rollover.js

rollover.js

342 ms

colorpicker.css

colorpicker.css

355 ms

colorpicker.js

colorpicker.js

726 ms

eye.js

eye.js

497 ms

utils.js

utils.js

671 ms

jquery.upload-1.0.2.js

jquery.upload-1.0.2.js

512 ms

charCount.js

charCount.js

529 ms

layout.js

layout.js

663 ms

qr.js

qr.js

1020 ms

common.css

common.css

376 ms

cool-blueg12r.css

cool-blueg12r.css

867 ms

clearfix.css

clearfix.css

510 ms

print.css

print.css

552 ms

advanced.css

advanced.css

938 ms

bg.jpg

bg.jpg

677 ms

bg-contents-h2.gif

bg-contents-h2.gif

545 ms

1x1dot.gif

1x1dot.gif

170 ms

icon-arrow_2.gif

icon-arrow_2.gif

167 ms

profile_s.gif

profile_s.gif

178 ms

blog_quote.gif

blog_quote.gif

171 ms

icn_tool_twitter.gif

icn_tool_twitter.gif

332 ms

mouse_over.gif

mouse_over.gif

339 ms

ajax-loader.gif

ajax-loader.gif

510 ms

bg-sidebar.gif

bg-sidebar.gif

354 ms

bg-sidebar-top.gif

bg-sidebar-top.gif

496 ms

bg-sidebar-h3.gif

bg-sidebar-h3.gif

1013 ms

icon-sidenavi01.png

icon-sidenavi01.png

529 ms

icon-arrow.png

icon-arrow.png

661 ms

vps_qr.png

vps_qr.png

848 ms

btn-pagetop_off.gif

btn-pagetop_off.gif

706 ms

bg-footer.jpg

bg-footer.jpg

1266 ms

bg-topimage.gif

bg-topimage.gif

827 ms

bg-topmenu.gif

bg-topmenu.gif

841 ms

bg-topmenu-list.gif

bg-topmenu-list.gif

882 ms

bg-header.gif

bg-header.gif

992 ms

qr03_03.gif

qr03_03.gif

1177 ms

top-image.jpg

top-image.jpg

1017 ms

ga.js

ga.js

23 ms

colorpicker_background.png

colorpicker_background.png

995 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

qr-code.jp accessibility score

68

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

Form elements do not have associated labels

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 [lang] attribute

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

qr-code.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

qr-code.jp SEO score

100

Search Engine Optimization Advices

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

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 Qr-code.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 Qr-code.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

qr-code.jp

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