Tools & Wizards About Us
sinanen.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sinanen.com

シナネン株式会社

Page Load Speed

5.4 sec in total

First Response

791 ms

Resources Loaded

4.3 sec

Page Rendered

304 ms

sinanen.com screenshot

About Website

Click here to check amazing Sinanen content for Japan. Otherwise, check out these important facts you probably never knew about sinanen.com

シナネンは脱炭素社会の実現に向け、風力発電、太陽光発電、電力販売、石油製品販売を展開しているエネルギー商社です。グリーン成長戦略に賛同し、RE100を目指す企業を支援して、再生可能エネルギー事業への様々な挑戦を続けます。

Visit sinanen.com

Key Findings

We analyzed Sinanen.com page load time and found that the first response time was 791 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sinanen.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.666

8/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

sinanen.com

791 ms

reset.css

350 ms

style.css

354 ms

jquery.bxslider.css

362 ms

top.css

384 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 98% of them (80 requests) were addressed to the original Sinanen.com, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Sinanen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 211.5 kB (13%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sinanen.com main page is 1.6 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 15.6 kB

  • Original 20.2 kB
  • After minification 16.3 kB
  • After compression 4.6 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. This page needs HTML code to be minified as it can gain 3.9 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.6 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 54.1 kB

  • Original 1.4 MB
  • After minification 1.4 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. Sinanen images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 121.2 kB

  • Original 184.5 kB
  • After minification 151.8 kB
  • After compression 63.3 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 121.2 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 20.6 kB

  • Original 24.9 kB
  • After minification 17.1 kB
  • After compression 4.4 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. Sinanen.com needs all CSS files to be minified and compressed as it can save up to 20.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (43%)

Requests Now

81

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sinanen. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sinanen.com

sinanen.com

791 ms

reset.css

reset.css

350 ms

style.css

style.css

354 ms

jquery.bxslider.css

jquery.bxslider.css

362 ms

top.css

top.css

384 ms

analytics.js

analytics.js

397 ms

Footer.js

Footer.js

615 ms

jquery-1.9.0.min.js

jquery-1.9.0.min.js

850 ms

common.js

common.js

341 ms

jQueryAutoHeight.js

jQueryAutoHeight.js

354 ms

jquery.bxslider.js

jquery.bxslider.js

779 ms

top.js

top.js

410 ms

analytics.js

analytics.js

5 ms

collect

collect

12 ms

banner.html

banner.html

201 ms

logo.gif

logo.gif

182 ms

link_arrow.gif

link_arrow.gif

176 ms

searchBtn.gif

searchBtn.gif

202 ms

large.gif

large.gif

350 ms

middle.gif

middle.gif

361 ms

nav01_off.gif

nav01_off.gif

397 ms

nav02_off.gif

nav02_off.gif

480 ms

nav04_off.gif

nav04_off.gif

527 ms

nav03_off.gif

nav03_off.gif

524 ms

nav05_off.gif

nav05_off.gif

539 ms

main_v01_tl.png

main_v01_tl.png

595 ms

main_v01_img01.png

main_v01_img01.png

573 ms

main_v01_img02.png

main_v01_img02.png

1041 ms

main_v02_tl.png

main_v02_tl.png

697 ms

main_v02_img01.png

main_v02_img01.png

720 ms

main_v02_img02.png

main_v02_img02.png

896 ms

main_v02_img03.png

main_v02_img03.png

745 ms

main_v02_img04.png

main_v02_img04.png

990 ms

main_v03.jpg

main_v03.jpg

1393 ms

main_v03_img01.png

main_v03_img01.png

913 ms

main_v04.jpg

main_v04.jpg

1606 ms

main_v04_img01.png

main_v04_img01.png

1077 ms

main_v05.jpg

main_v05.jpg

2273 ms

main_v05_img01.png

main_v05_img01.png

1188 ms

main_v06.jpg

main_v06.jpg

1839 ms

main_v06_img01.png

main_v06_img01.png

1257 ms

tl01.png

tl01.png

1387 ms

business_pic01.jpg

business_pic01.jpg

1617 ms

business_pic01_tt.png

business_pic01_tt.png

1586 ms

business_arrow01.png

business_arrow01.png

1567 ms

business_pic02.jpg

business_pic02.jpg

1740 ms

business_pic02_tt.png

business_pic02_tt.png

1785 ms

business_arrow02.png

business_arrow02.png

1748 ms

business_pic03.jpg

business_pic03.jpg

1629 ms

business_pic03_tt.png

business_pic03_tt.png

1741 ms

business_arrow03.png

business_arrow03.png

1759 ms

business_pic04.jpg

business_pic04.jpg

1790 ms

business_pic04_tt.png

business_pic04_tt.png

1715 ms

business_arrow04.png

business_arrow04.png

1718 ms

tl02.png

tl02.png

1737 ms

solution_t01.png

solution_t01.png

1733 ms

solution_t02.png

solution_t02.png

1711 ms

solution_t03.png

solution_t03.png

1765 ms

solution_t04.png

solution_t04.png

1747 ms

solution_img.png

solution_img.png

1760 ms

jirei01.gif

jirei01.gif

1766 ms

jirei_m01.gif

jirei_m01.gif

1823 ms

jirei01_img.gif

jirei01_img.gif

1836 ms

jirei_bt.gif

jirei_bt.gif

1776 ms

jirei02.gif

jirei02.gif

1751 ms

jirei_m02.gif

jirei_m02.gif

1722 ms

jirei_m02_subt.gif

jirei_m02_subt.gif

1581 ms

jirei02_img.gif

jirei02_img.gif

1682 ms

jirei03.gif

jirei03.gif

1686 ms

jirei_m03.gif

jirei_m03.gif

1627 ms

jirei_m03_subt.gif

jirei_m03_subt.gif

1617 ms

tl03.png

tl03.png

1506 ms

list_arrow.png

list_arrow.png

1414 ms

txt_line.gif

txt_line.gif

1426 ms

pdf.png

pdf.png

1454 ms

page.gif

page.gif

1279 ms

f_bnr04.png

f_bnr04.png

1274 ms

blank_link.gif

blank_link.gif

1320 ms

bnr01.jpg

bnr01.jpg

1298 ms

bnr03.jpg

bnr03.jpg

1273 ms

slide_l.png

slide_l.png

1242 ms

slide_r.png

slide_r.png

1254 ms

Accessibility Review

sinanen.com accessibility score

83

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

High

Links do not have a discernible name

Best Practices

sinanen.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sinanen.com SEO score

93

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sinanen.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 Sinanen.com 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

sinanen.com

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