Tools & Wizards About Us
sdeko.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

sdeko.com

清水秀子 オフィシャルサイト

Page Load Speed

21.2 sec in total

First Response

438 ms

Resources Loaded

20.6 sec

Page Rendered

103 ms

sdeko.com screenshot

About Website

Click here to check amazing Sdeko content. Otherwise, check out these important facts you probably never knew about sdeko.com

ジャズヴォーカリスト 清水秀子 のオフィシャルサイトです。プロフィール、ライブスケジュール、CD情報など、どうぞご覧ください♪

Visit sdeko.com

Key Findings

We analyzed Sdeko.com page load time and found that the first response time was 438 ms and then it took 20.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sdeko.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value1.0 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)

Value0.7 s

100/100

10%

Network Requests Diagram

sdeko.com

438 ms

ir

20188 ms

schedule_o.gif

176 ms

bio_o.gif

350 ms

cd_o.gif

352 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Sdeko.com, 8% (2 requests) were made to Assoc-amazon.jp. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Assoc-amazon.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.4 kB (20%)

Content Size

61.3 kB

After Optimization

48.9 kB

  • HTML
  • Images

In fact, the total size of Sdeko.com main page is 61.3 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. Only 10% of websites need less resources to load. Images take 45.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 12.3 kB

  • Original 16.3 kB
  • After minification 14.6 kB
  • After compression 4.0 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 12.3 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 68 B

  • Original 45.0 kB
  • After minification 44.9 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. Sdeko images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 15 (68%)

Requests Now

22

After Optimization

7

  • Images

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sdeko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

sdeko.com

sdeko.com

438 ms

ir

ir

20188 ms

schedule_o.gif

schedule_o.gif

176 ms

bio_o.gif

bio_o.gif

350 ms

cd_o.gif

cd_o.gif

352 ms

link_o.gif

link_o.gif

353 ms

contact_o.gif

contact_o.gif

353 ms

title.gif

title.gif

368 ms

spacer.gif

spacer.gif

374 ms

schedule.gif

schedule.gif

523 ms

bio.gif

bio.gif

527 ms

cd.gif

cd.gif

527 ms

link.gif

link.gif

529 ms

contact.gif

contact.gif

552 ms

hana_bg1.gif

hana_bg1.gif

559 ms

line.jpg

line.jpg

697 ms

deko02a.jpg

deko02a.jpg

878 ms

hana_bg3.gif

hana_bg3.gif

702 ms

ball.jpg

ball.jpg

705 ms

pickup.gif

pickup.gif

735 ms

g_clef.gif

g_clef.gif

745 ms

dream.cgi

dream.cgi

885 ms

lime.cgi

lime.cgi

888 ms

report.cgi

report.cgi

963 ms

ir

ir

20183 ms

Accessibility Review

sdeko.com accessibility score

58

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

Best Practices

sdeko.com 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sdeko.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 Sdeko.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 Sdeko.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

sdeko.com

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