Tools & Wizards About Us
gakkihaku.jp screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

gakkihaku.jp

浜松市楽器博物館

Page Load Speed

10 sec in total

First Response

2.1 sec

Resources Loaded

7.6 sec

Page Rendered

378 ms

gakkihaku.jp screenshot

About Website

Welcome to gakkihaku.jp homepage info - get ready to check Gakkihaku best content for Japan right away, or after learning these important things about gakkihaku.jp

浜松市楽器博物館は、平成7年（1995年）4月に浜松市が開設した、日本で唯一の公立楽器博物館です。世界の楽器1,300点を展示して、人と楽器、人と音楽の絆を紹介しています。

Visit gakkihaku.jp

Key Findings

We analyzed Gakkihaku.jp page load time and found that the first response time was 2.1 sec and then it took 8 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

gakkihaku.jp performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value26.0 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value1.152

1/100

15%

TTI (Time to Interactive)

Value45.9 s

0/100

10%

Network Requests Diagram

www.gakkihaku.jp

2059 ms

standard.css

766 ms

jquery-1.4.4.min.js

1348 ms

scrolltopcontrol.js

399 ms

inherit.css

589 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 92% of them (81 requests) were addressed to the original Gakkihaku.jp, 6% (5 requests) were made to 0 and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Gakkihaku.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 259.8 kB (16%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gakkihaku.jp main page is 1.7 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. 30% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 69.1 kB

  • Original 81.8 kB
  • After minification 77.2 kB
  • After compression 12.7 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 69.1 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 40.9 kB

  • Original 1.3 MB
  • After minification 1.3 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. Gakkihaku images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 130.7 kB

  • Original 218.8 kB
  • After minification 213.8 kB
  • After compression 88.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 130.7 kB or 60% of the original size.

CSS Optimization

-79%

Potential reduce by 19.1 kB

  • Original 24.0 kB
  • After minification 19.8 kB
  • After compression 4.9 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. Gakkihaku.jp needs all CSS files to be minified and compressed as it can save up to 19.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (28%)

Requests Now

87

After Optimization

63

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gakkihaku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.gakkihaku.jp

www.gakkihaku.jp

2059 ms

standard.css

standard.css

766 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

1348 ms

scrolltopcontrol.js

scrolltopcontrol.js

399 ms

inherit.css

inherit.css

589 ms

jquery.js

jquery.js

1365 ms

jquery-migrate.min.js

jquery-migrate.min.js

783 ms

coin-slider.js

coin-slider.js

973 ms

analytics.js

analytics.js

74 ms

calendarback.gif

calendarback.gif

1521 ms

1427 ms

1502 ms

bodyback_top.gif

bodyback_top.gif

195 ms

english.gif

english.gif

192 ms

sitemap.gif

sitemap.gif

196 ms

access.gif

access.gif

200 ms

headerLogo.gif

headerLogo.gif

384 ms

mainimg.jpg

mainimg.jpg

1546 ms

mainimg2.jpg

mainimg2.jpg

1770 ms

mainimg3.jpg

mainimg3.jpg

1349 ms

mainimg4.jpg

mainimg4.jpg

1336 ms

mainimg5.jpg

mainimg5.jpg

1908 ms

globalmenu1.gif

globalmenu1.gif

1543 ms

globalmenu2.gif

globalmenu2.gif

1617 ms

globalmenu3.gif

globalmenu3.gif

1693 ms

globalmenu4.gif

globalmenu4.gif

1736 ms

globalmenu5.gif

globalmenu5.gif

1734 ms

globalmenu6.gif

globalmenu6.gif

1809 ms

globalmenu7.gif

globalmenu7.gif

1887 ms

topinfotitle.gif

topinfotitle.gif

1923 ms

topfeetitle.gif

topfeetitle.gif

1926 ms

topbnr_fee.gif

topbnr_fee.gif

1961 ms

topbnr_fee_detail.gif

topbnr_fee_detail.gif

2003 ms

topparkingtitle.gif

topparkingtitle.gif

2082 ms

topcaltitle.gif

topcaltitle.gif

2098 ms

rehearsal.png

rehearsal.png

2110 ms

event-close.png

event-close.png

2118 ms

appointment.png

appointment.png

2152 ms

baselist.gif

baselist.gif

2199 ms

closeday.gif

closeday.gif

2275 ms

eventday.gif

eventday.gif

2287 ms

topcontacttitle.gif

topcontacttitle.gif

2299 ms

address.gif

address.gif

2310 ms

tel.gif

tel.gif

2345 ms

fax.gif

fax.gif

2386 ms

calendarthback.gif

calendarthback.gif

1500 ms

eventback.png

eventback.png

1500 ms

calendarnavback.gif

calendarnavback.gif

1508 ms

topcontact.gif

topcontact.gif

2415 ms

collect

collect

12 ms

up.gif

up.gif

1486 ms

toplinktitle.gif

toplinktitle.gif

2290 ms

osusumeback.gif

osusumeback.gif

2296 ms

gaibuback.gif

gaibuback.gif

2309 ms

newsletterbnr.jpg

newsletterbnr.jpg

2531 ms

facebookbnr.jpg

facebookbnr.jpg

2429 ms

hfc.gif

hfc.gif

1518 ms

hcf-online.jpg

hcf-online.jpg

1322 ms

forinline.css

forinline.css

1257 ms

inlineheight.js

inlineheight.js

1199 ms

inlineheight2.js

inlineheight2.js

1319 ms

logo_kaps.gif

logo_kaps.gif

1329 ms

topaboutusback.png

topaboutusback.png

1273 ms

%E8%A1%A8%E5%BD%B0%E3%82%B5%E3%82%A4%E3%82%BA%E5%B0%8F.jpg

%E8%A1%A8%E5%BD%B0%E3%82%B5%E3%82%A4%E3%82%BA%E5%B0%8F.jpg

1996 ms

topaboutus_title.gif

topaboutus_title.gif

1269 ms

logo_20th.png

logo_20th.png

1312 ms

topnowtitle.gif

topnowtitle.gif

1286 ms

topeventtitle.gif

topeventtitle.gif

1250 ms

topupdatetitle.gif

topupdatetitle.gif

1197 ms

topupdatetitle1.gif

topupdatetitle1.gif

1289 ms

shima-165x165.jpg

shima-165x165.jpg

1317 ms

category-blogvoice.gif

category-blogvoice.gif

1317 ms

topupdatetitle2.gif

topupdatetitle2.gif

1287 ms

DSCF6434-165x165.jpg

DSCF6434-165x165.jpg

1273 ms

category-leccon_report.gif

category-leccon_report.gif

1308 ms

DSCF6043%E5%8A%A0%E5%B7%A5-165x165.jpg

DSCF6043%E5%8A%A0%E5%B7%A5-165x165.jpg

1338 ms

DSCF5607%E5%8A%A0%E5%B7%A5-165x165.jpg

DSCF5607%E5%8A%A0%E5%B7%A5-165x165.jpg

1323 ms

category-evecon_report.gif

category-evecon_report.gif

1319 ms

topupdatetitle3.gif

topupdatetitle3.gif

1318 ms

cd51-165x165.jpg

cd51-165x165.jpg

1572 ms

category-pickup.gif

category-pickup.gif

1349 ms

toposhirasetitle.gif

toposhirasetitle.gif

1338 ms

mini-exhibision.jpg

mini-exhibision.jpg

927 ms

mini-salon.jpg

mini-salon.jpg

964 ms

mini-demo.jpg

mini-demo.jpg

1115 ms

%E3%82%A4%E3%83%B3%E3%83%89_%E3%82%B5%E3%82%A4%E3%82%BA%E5%8A%A0%E5%B7%A5-165x165.jpg

%E3%82%A4%E3%83%B3%E3%83%89_%E3%82%B5%E3%82%A4%E3%82%BA%E5%8A%A0%E5%B7%A5-165x165.jpg

955 ms

%E3%83%80%E3%83%AB%E3%82%AB%E3%83%87%E3%82%A3%E3%82%A2_%E3%82%B5%E3%82%A4%E3%82%BA%E5%8A%A0%E5%B7%A5%E5%B0%8F-165x165.jpg

%E3%83%80%E3%83%AB%E3%82%AB%E3%83%87%E3%82%A3%E3%82%A2_%E3%82%B5%E3%82%A4%E3%82%BA%E5%8A%A0%E5%B7%A5%E5%B0%8F-165x165.jpg

958 ms

%E5%8F%A4%E8%88%98%E7%94%B1%E4%BD%B3%E5%AD%90%E4%BB%AE%E7%94%BB%E5%83%8F%E5%B0%8F-165x165.jpg

%E5%8F%A4%E8%88%98%E7%94%B1%E4%BD%B3%E5%AD%90%E4%BB%AE%E7%94%BB%E5%83%8F%E5%B0%8F-165x165.jpg

992 ms

Accessibility Review

gakkihaku.jp accessibility score

82

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.

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

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

gakkihaku.jp best practices score

75

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

gakkihaku.jp SEO score

78

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Gakkihaku.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 Gakkihaku.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

gakkihaku.jp

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