Tools & Wizards About Us
jazzpro.jp screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jazzpro.jp

横濱ジャズプロムナード

Page Load Speed

5.6 sec in total

First Response

522 ms

Resources Loaded

4.6 sec

Page Rendered

445 ms

jazzpro.jp screenshot

About Website

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

横浜の街全体がステージとなる。日本最大級のジャズフェスティバル。

Visit jazzpro.jp

Key Findings

We analyzed Jazzpro.jp page load time and found that the first response time was 522 ms and then it took 5.1 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

jazzpro.jp performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value13.7 s

1/100

10%

TBT (Total Blocking Time)

Value8,650 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

jazzpro.jp

522 ms

jazzpro.jp

895 ms

style.min.css

188 ms

home.css

374 ms

font-awesome.min.css

37 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 39% of them (22 requests) were addressed to the original Jazzpro.jp, 19% (11 requests) were made to Platform.twitter.com and 9% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Jazzpro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.6 kB (8%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jazzpro.jp main page is 1.3 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 991.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 37.2 kB

  • Original 49.1 kB
  • After minification 46.5 kB
  • After compression 11.9 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. 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 37.2 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 61.0 kB

  • Original 991.2 kB
  • After minification 930.2 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. Jazzpro images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 201.4 kB
  • After minification 201.4 kB
  • After compression 198.6 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

-1%

Potential reduce by 625 B

  • Original 82.6 kB
  • After minification 82.6 kB
  • After compression 82.0 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. Jazzpro.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (53%)

Requests Now

49

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jazzpro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jazzpro.jp

jazzpro.jp

522 ms

jazzpro.jp

jazzpro.jp

895 ms

style.min.css

style.min.css

188 ms

home.css

home.css

374 ms

font-awesome.min.css

font-awesome.min.css

37 ms

style.css

style.css

562 ms

addstyles.css

addstyles.css

689 ms

jquery.min.js

jquery.min.js

849 ms

jquery-migrate.min.js

jquery-migrate.min.js

688 ms

js

js

55 ms

widgets.js

widgets.js

387 ms

common.js

common.js

697 ms

css2

css2

35 ms

header_logo.png

header_logo.png

189 ms

header_icon_search.png

header_icon_search.png

181 ms

header_sns_x.png

header_sns_x.png

953 ms

header_sns_fb.png

header_sns_fb.png

180 ms

top_main_text.png

top_main_text.png

656 ms

top_main_scroll.png

top_main_scroll.png

173 ms

jazzpro_bnr.png

jazzpro_bnr.png

721 ms

footer_logo.png

footer_logo.png

657 ms

footer_sns_x.png

footer_sns_x.png

658 ms

footer_sns_fb.png

footer_sns_fb.png

658 ms

page_top.png

page_top.png

721 ms

all.js

all.js

55 ms

top_main.jpg

top_main.jpg

1028 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

155 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFE8j75s.ttf

612 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

615 ms

khX1UxV5iys

khX1UxV5iys

184 ms

top_bk03.png

top_bk03.png

1291 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

58 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

521 ms

all.js

all.js

16 ms

61 ms

www-player.css

www-player.css

16 ms

www-embed-player.js

www-embed-player.js

37 ms

base.js

base.js

72 ms

ad_status.js

ad_status.js

276 ms

gbh3CSa8NqpvnPvDWy96-3RMYviWHsJy_QFd7gAq7Jk.js

gbh3CSa8NqpvnPvDWy96-3RMYviWHsJy_QFd7gAq7Jk.js

194 ms

embed.js

embed.js

98 ms

settings

settings

235 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

44 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

42 ms

id

id

43 ms

Create

Create

91 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

94 ms

GenerateIT

GenerateIT

16 ms

jazzpromenade

jazzpromenade

882 ms

polyfills-a40ef1678bae11e696dba45124eadd70.js

polyfills-a40ef1678bae11e696dba45124eadd70.js

95 ms

runtime-b1c52fd0a13ead5fcf6b.js

runtime-b1c52fd0a13ead5fcf6b.js

194 ms

modules-96ebc7ac3ad66d681a3d.js

modules-96ebc7ac3ad66d681a3d.js

386 ms

main-babd9234dc048fb47339.js

main-babd9234dc048fb47339.js

289 ms

_app-a9c9f1a99e4414675fb1.js

_app-a9c9f1a99e4414675fb1.js

380 ms

%5BscreenName%5D-0517bdda27d5006a5a2d.js

%5BscreenName%5D-0517bdda27d5006a5a2d.js

383 ms

_buildManifest.js

_buildManifest.js

383 ms

_ssgManifest.js

_ssgManifest.js

421 ms

Accessibility Review

jazzpro.jp accessibility score

90

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

Links do not have a discernible name

Best Practices

jazzpro.jp best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

jazzpro.jp SEO score

92

Search Engine Optimization Advices

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

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 Jazzpro.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 Jazzpro.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

jazzpro.jp

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