Report Summary

  • 82

    Performance

    Renders faster than
    88% 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

  • 69

    SEO

    Google-friendlier than
    28% of websites

quartet-online.net

カルテット・オンライン

Page Load Speed

982 ms in total

First Response

421 ms

Resources Loaded

441 ms

Page Rendered

120 ms

quartet-online.net screenshot

About Website

Click here to check amazing Quartet Online content for Japan. Otherwise, check out these important facts you probably never knew about quartet-online.net

カルテット・オンラインは演劇公演を支援するシステムです。

Visit quartet-online.net

Key Findings

We analyzed Quartet-online.net page load time and found that the first response time was 421 ms and then it took 561 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

quartet-online.net performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

quartet-online.net

421 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Quartet-online.net and no external sources were called. The less responsive or slowest element that took the longest time to load (421 ms) belongs to the original domain Quartet-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 110 B (24%)

Content Size

461 B

After Optimization

351 B

In fact, the total size of Quartet-online.net main page is 461 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 461 B which makes up the majority of the site volume.

HTML Optimization

-24%

Potential reduce by 110 B

  • Original 461 B
  • After minification 456 B
  • After compression 351 B

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 110 B or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

quartet-online.net accessibility score

100

Accessibility Issues

Best Practices

quartet-online.net 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

quartet-online.net SEO score

69

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

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 Quartet-online.net 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 Quartet-online.net 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

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