Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

esmeralda.jp

Esmeralda - HOME

Page Load Speed

9 sec in total

First Response

1.3 sec

Resources Loaded

7 sec

Page Rendered

736 ms

esmeralda.jp screenshot

About Website

Welcome to esmeralda.jp homepage info - get ready to check Esmeralda best content right away, or after learning these important things about esmeralda.jp

東京・綾瀬駅前のライブハウス「Esmedalda(エスメラルダ)」のライブ開催情報公式サイト

Visit esmeralda.jp

Key Findings

We analyzed Esmeralda.jp page load time and found that the first response time was 1.3 sec and then it took 7.7 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

esmeralda.jp performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

www.esmeralda.jp

1280 ms

cross-border-cart.css

313 ms

index.css

1052 ms

jquery.min.js

30 ms

copia.css

817 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 6% of them (6 requests) were addressed to the original Esmeralda.jp, 26% (27 requests) were made to Img15.shop-pro.jp and 10% (10 requests) were made to File001.shop-pro.jp. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Img15.shop-pro.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 627.2 kB (21%)

Content Size

3.0 MB

After Optimization

2.4 MB

In fact, the total size of Esmeralda.jp main page is 3.0 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. 65% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 44.8 kB

  • Original 57.4 kB
  • After minification 53.7 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 44.8 kB or 78% of the original size.

Image Optimization

-14%

Potential reduce by 341.8 kB

  • Original 2.5 MB
  • After minification 2.2 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. Obviously, Esmeralda needs image optimization as it can save up to 341.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-56%

Potential reduce by 214.4 kB

  • Original 385.0 kB
  • After minification 305.9 kB
  • After compression 170.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 214.4 kB or 56% of the original size.

CSS Optimization

-81%

Potential reduce by 26.2 kB

  • Original 32.2 kB
  • After minification 22.5 kB
  • After compression 6.0 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. Esmeralda.jp needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (38%)

Requests Now

99

After Optimization

61

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esmeralda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

esmeralda.jp accessibility score

100

Accessibility Issues

Best Practices

esmeralda.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

esmeralda.jp SEO score

88

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Esmeralda.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 Esmeralda.jp main page’s claimed encoding is euc-jp. 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

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