Tools & Wizards About Us
denryo.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

denryo.com

株式会社電菱

Page Load Speed

6.6 sec in total

First Response

864 ms

Resources Loaded

5.5 sec

Page Rendered

268 ms

denryo.com screenshot

About Website

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

電菱は独立型電源システム構成機器のパイオニアです。長年の実績と経験をもとに、お客様のニーズに応える最適なシステムをご提案します。

Visit denryo.com

Key Findings

We analyzed Denryo.com page load time and found that the first response time was 864 ms and then it took 5.8 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

denryo.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.33

34/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

denryo.com

864 ms

common.css

493 ms

jquery.min.js

30 ms

productsearch.js

352 ms

skitter.css

352 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 92% of them (118 requests) were addressed to the original Denryo.com, 3% (4 requests) were made to Google.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Denryo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 281.6 kB (4%)

Content Size

7.9 MB

After Optimization

7.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denryo.com main page is 7.9 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. 70% of websites need less resources to load. Images take 7.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.5 kB

  • Original 55.3 kB
  • After minification 50.0 kB
  • After compression 8.8 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 46.5 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 42.8 kB

  • Original 7.6 MB
  • After minification 7.5 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. Denryo images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 161.9 kB

  • Original 263.9 kB
  • After minification 257.7 kB
  • After compression 102.0 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 161.9 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 30.4 kB

  • Original 36.8 kB
  • After minification 29.4 kB
  • After compression 6.4 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. Denryo.com needs all CSS files to be minified and compressed as it can save up to 30.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (10%)

Requests Now

124

After Optimization

111

  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denryo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

denryo.com

denryo.com

864 ms

common.css

common.css

493 ms

jquery.min.js

jquery.min.js

30 ms

productsearch.js

productsearch.js

352 ms

skitter.css

skitter.css

352 ms

jquery-2.1.1.min.js

jquery-2.1.1.min.js

711 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

379 ms

jquery.skitter.min.js

jquery.skitter.min.js

655 ms

styles.css

styles.css

526 ms

app.js

app.js

527 ms

js

js

87 ms

conversion.js

conversion.js

80 ms

brand

brand

15 ms

default.css

default.css

21 ms

brandjs.js

brandjs.js

17 ms

css

css

31 ms

140 ms

line.png

line.png

169 ms

logo.png

logo.png

177 ms

search.gif

search.gif

166 ms

saigaidengensouti-1.jpg

saigaidengensouti-1.jpg

351 ms

clock-s.jpg

clock-s.jpg

290 ms

tykb-s.jpg

tykb-s.jpg

676 ms

evcharge-s.jpg

evcharge-s.jpg

324 ms

agv-s.jpg

agv-s.jpg

495 ms

iotunit-s.jpg

iotunit-s.jpg

527 ms

qa.jpg

qa.jpg

469 ms

repair.jpg

repair.jpg

490 ms

demo.jpg

demo.jpg

527 ms

library.jpg

library.jpg

649 ms

contact.jpg

contact.jpg

658 ms

catalog.jpg

catalog.jpg

660 ms

manual.jpg

manual.jpg

704 ms

dimension.jpg

dimension.jpg

705 ms

technote.jpg

technote.jpg

829 ms

datasheet.jpg

datasheet.jpg

824 ms

price.jpg

price.jpg

825 ms

news.jpg

news.jpg

865 ms

info.jpg

info.jpg

880 ms

profile.jpg

profile.jpg

880 ms

history.jpg

history.jpg

991 ms

access.jpg

access.jpg

991 ms

recruit.jpg

recruit.jpg

1007 ms

gd.jpg

gd.jpg

1994 ms

bg.jpg

bg.jpg

1756 ms

st600.jpg

st600.jpg

1753 ms

b.jpg

b.jpg

1810 ms

mini.jpg

mini.jpg

1494 ms

pan.jpg

pan.jpg

2071 ms

bat.jpg

bat.jpg

1829 ms

inv.jpg

inv.jpg

1930 ms

cnt.jpg

cnt.jpg

1931 ms

pv.jpg

pv.jpg

1976 ms

branding.png

branding.png

86 ms

16 ms

cha.jpg

cha.jpg

1844 ms

bat.jpg

bat.jpg

1943 ms

swp.jpg

swp.jpg

1934 ms

diasine.jpg

diasine.jpg

1855 ms

denryobat.jpg

denryobat.jpg

1864 ms

pan.jpg

pan.jpg

1816 ms

sabg.jpg

sabg.jpg

1785 ms

sab.jpg

sab.jpg

1794 ms

samn.jpg

samn.jpg

1793 ms

sp.gif

sp.gif

1784 ms

sd.gif

sd.gif

1806 ms

ts.gif

ts.gif

1729 ms

tn.gif

tn.gif

1775 ms

sr.gif

sr.gif

1801 ms

wr.gif

wr.gif

1788 ms

xp.gif

xp.gif

1771 ms

mx.gif

mx.gif

1796 ms

dpls10.gif

dpls10.gif

1742 ms

samppt.gif

samppt.gif

1786 ms

ec.gif

ec.gif

1813 ms

ss.gif

ss.gif

1775 ms

shs.gif

shs.gif

1763 ms

sl.gif

sl.gif

1786 ms

sk12.gif

sk12.gif

1766 ms

ps30m.gif

ps30m.gif

1799 ms

ts4560.gif

ts4560.gif

1808 ms

psmppt.gif

psmppt.gif

1322 ms

tsmppt.gif

tsmppt.gif

1054 ms

tsmppt600.gif

tsmppt600.gif

1078 ms

dbg100.gif

dbg100.gif

1132 ms

db060.gif

db060.gif

1139 ms

dbg012.gif

dbg012.gif

1044 ms

dc005.gif

dc005.gif

1060 ms

naf128.gif

naf128.gif

1016 ms

st3g.gif

st3g.gif

1003 ms

st25g.gif

st25g.gif

1139 ms

st2g.gif

st2g.gif

1071 ms

st1g.gif

st1g.gif

1032 ms

kk305.gif

kk305.gif

1060 ms

kd135.gif

kd135.gif

1027 ms

kd95.gif

kd95.gif

1002 ms

db090.gif

db090.gif

1143 ms

kh80.gif

kh80.gif

1053 ms

db050.gif

db050.gif

1044 ms

kd50.gif

kd50.gif

1049 ms

db032t.gif

db032t.gif

1038 ms

db030.gif

db030.gif

1014 ms

db020.gif

db020.gif

1095 ms

db015.gif

db015.gif

1077 ms

db010.gif

db010.gif

1059 ms

db006.gif

db006.gif

1040 ms

db003.gif

db003.gif

1049 ms

jc.gif

jc.gif

1024 ms

jr.gif

jr.gif

1071 ms

jl.gif

jl.gif

1060 ms

jrl.gif

jrl.gif

1049 ms

jh.gif

jh.gif

1069 ms

pvx.gif

pvx.gif

1057 ms

jct.gif

jct.gif

1034 ms

cx.gif

cx.gif

1046 ms

bp.gif

bp.gif

1048 ms

gc.gif

gc.gif

1059 ms

aek.gif

aek.gif

1062 ms

ae.gif

ae.gif

1059 ms

radiobar.gif

radiobar.gif

1067 ms

fts_logo_denryo.gif

fts_logo_denryo.gif

1022 ms

fts_03_blue.jpg

fts_03_blue.jpg

1038 ms

fb-c.png

fb-c.png

1072 ms

yt-w.png

yt-w.png

1061 ms

bg_pagetop.gif

bg_pagetop.gif

1060 ms

common.css

common.css

1090 ms

bg_dotline.gif

bg_dotline.gif

996 ms

sprite-default.png

sprite-default.png

1035 ms

Accessibility Review

denryo.com accessibility score

75

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

denryo.com best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

denryo.com SEO score

83

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

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

    JA

  • Encoding

    UTF-8

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

denryo.com

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