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eiseibunko.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

eiseibunko.com

永青文庫

Page Load Speed

3.7 sec in total

First Response

831 ms

Resources Loaded

2.6 sec

Page Rendered

291 ms

eiseibunko.com screenshot

About Website

Visit eiseibunko.com now to see the best up-to-date Eiseibunko content for Japan and also check out these interesting facts you probably never knew about eiseibunko.com

永青文庫公式サイト。細川家に伝来する歴史資料や美術品の文化財を一般に公開

Visit eiseibunko.com

Key Findings

We analyzed Eiseibunko.com page load time and found that the first response time was 831 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

eiseibunko.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

eiseibunko.com

831 ms

eiseibunko.css

361 ms

title_01.gif

415 ms

title_02.gif

416 ms

spacer.gif

414 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Eiseibunko.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Eiseibunko.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.3 kB (11%)

Content Size

468.3 kB

After Optimization

416.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Eiseibunko.com main page is 468.3 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. 20% of websites need less resources to load. Images take 438.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.3 kB

  • Original 29.2 kB
  • After minification 21.0 kB
  • After compression 5.9 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 8.2 kB, which is 28% 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 23.3 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 28.5 kB

  • Original 438.4 kB
  • After minification 409.9 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. Eiseibunko images are well optimized though.

CSS Optimization

-72%

Potential reduce by 487 B

  • Original 676 B
  • After minification 539 B
  • After compression 189 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. Eiseibunko.com needs all CSS files to be minified and compressed as it can save up to 487 B or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

24

After Optimization

24

  • Images
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eiseibunko. According to our analytics all requests are already optimized.

Network Requests Diagram

eiseibunko.com

eiseibunko.com

831 ms

eiseibunko.css

eiseibunko.css

361 ms

title_01.gif

title_01.gif

415 ms

title_02.gif

title_02.gif

416 ms

spacer.gif

spacer.gif

414 ms

menu_01.gif

menu_01.gif

416 ms

menu_02.gif

menu_02.gif

418 ms

menu_03.gif

menu_03.gif

533 ms

menu_04.gif

menu_04.gif

558 ms

menu_05.gif

menu_05.gif

580 ms

menu_06.gif

menu_06.gif

599 ms

main_heder_base.gif

main_heder_base.gif

620 ms

fumiclub.jpg

fumiclub.jpg

836 ms

earlyspring_1.jpg

earlyspring_1.jpg

1243 ms

earlyspring_2.jpg

earlyspring_2.jpg

1304 ms

earlyspring_3.jpg

earlyspring_3.jpg

1734 ms

earlyspring_4.jpg

earlyspring_4.jpg

1410 ms

copiright.gif

copiright.gif

633 ms

menu_base.gif

menu_base.gif

672 ms

menu_01_a.gif

menu_01_a.gif

205 ms

menu_02_a.gif

menu_02_a.gif

189 ms

menu_03_a.gif

menu_03_a.gif

211 ms

menu_04_a.gif

menu_04_a.gif

179 ms

menu_05_a.gif

menu_05_a.gif

208 ms

menu_06_a.gif

menu_06_a.gif

195 ms

Accessibility Review

eiseibunko.com accessibility score

54

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

eiseibunko.com 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

eiseibunko.com SEO score

67

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eiseibunko.com 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 Eiseibunko.com main page’s claimed encoding is shift_jis. 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

eiseibunko.com

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