Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

iz2.or.jp

【公式】風俗博物館～よみがえる源氏物語の世界～

Page Load Speed

7.8 sec in total

First Response

544 ms

Resources Loaded

6.8 sec

Page Rendered

446 ms

About Website

Click here to check amazing Iz 2 content for Russia. Otherwise, check out these important facts you probably never knew about iz2.or.jp

源氏物語、当時の貴族の風俗や生活を知るため、その舞台となった六條院「春の御殿（はるのおとど）」を1/4スケールで展示しています。書物や絵巻物でしか味わえなかった源氏物語が立体になり、中には光源氏や紫上などの登場人物が配され、リアルに源氏物語の世界を体感できる風俗博物館

Visit iz2.or.jp

Key Findings

We analyzed Iz2.or.jp page load time and found that the first response time was 544 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

iz2.or.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value28.9 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.355

31/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

iz2.or.jp

544 ms

www.iz2.or.jp

706 ms

www.iz2.or.jp

759 ms

common.css

208 ms

style.css

394 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 85% of them (45 requests) were addressed to the original Iz2.or.jp, 8% (4 requests) were made to Cdnjs.cloudflare.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Iz2.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.8 kB (1%)

Content Size

6.1 MB

After Optimization

6.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iz2.or.jp main page is 6.1 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. 40% of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 18.1 kB

  • Original 24.4 kB
  • After minification 23.5 kB
  • After compression 6.3 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. 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 18.1 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 45.5 kB

  • Original 6.0 MB
  • After minification 5.9 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. Iz 2 images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 3.9 kB

  • Original 61.1 kB
  • After minification 61.1 kB
  • After compression 57.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 1.2 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 7.3 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. Iz2.or.jp needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (26%)

Requests Now

50

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iz 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

iz2.or.jp accessibility score

66

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

<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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

iz2.or.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

iz2.or.jp SEO score

92

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 uses legible font sizes

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 Iz2.or.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 Iz2.or.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 description is not detected on the main page of Iz 2. 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: