Tools & Wizards About Us
denzai39.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

denzai39.com

電材39 オンラインショップ

Page Load Speed

9.8 sec in total

First Response

577 ms

Resources Loaded

8.9 sec

Page Rendered

258 ms

denzai39.com screenshot

About Website

Visit denzai39.com now to see the best up-to-date Denzai 39 content for Japan and also check out these interesting facts you probably never knew about denzai39.com

架線金物、電材通販 電材39オンラインショップのページです。

Visit denzai39.com

Key Findings

We analyzed Denzai39.com page load time and found that the first response time was 577 ms and then it took 9.2 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

denzai39.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

denzai39.com

577 ms

denzai39.com

1003 ms

js

77 ms

import.css

503 ms

css.js

504 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 99% of them (75 requests) were addressed to the original Denzai39.com, 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Denzai39.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.9 kB (16%)

Content Size

1.1 MB

After Optimization

895.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denzai39.com main page is 1.1 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 852.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 99.8 kB

  • Original 116.2 kB
  • After minification 90.7 kB
  • After compression 16.4 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 25.5 kB, which is 22% 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 99.8 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 13.2 kB

  • Original 852.8 kB
  • After minification 839.6 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. Denzai 39 images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 51.1 kB

  • Original 80.4 kB
  • After minification 80.0 kB
  • After compression 29.3 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 51.1 kB or 64% of the original size.

CSS Optimization

-31%

Potential reduce by 4.8 kB

  • Original 15.4 kB
  • After minification 15.3 kB
  • After compression 10.5 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. Denzai39.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (22%)

Requests Now

74

After Optimization

58

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denzai 39. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

denzai39.com

denzai39.com

577 ms

denzai39.com

denzai39.com

1003 ms

js

js

77 ms

import.css

import.css

503 ms

css.js

css.js

504 ms

navi.js

navi.js

504 ms

win_op.js

win_op.js

522 ms

site.js

site.js

524 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

864 ms

addRelNofollow.js

addRelNofollow.js

1003 ms

suggest.js

suggest.js

1010 ms

lineoflistpage.css

lineoflistpage.css

1019 ms

reset.css

reset.css

522 ms

common.css

common.css

700 ms

contents.css

contents.css

886 ms

table.css

table.css

1005 ms

bloc.css

bloc.css

1009 ms

bloc_alpha.css

bloc_alpha.css

1016 ms

popup.css

popup.css

1036 ms

print.css

print.css

1201 ms

logo2.gif

logo2.gif

234 ms

btn-cart-off.gif

btn-cart-off.gif

500 ms

btn-top-off.jpg

btn-top-off.jpg

499 ms

btn-mypage-off.jpg

btn-mypage-off.jpg

505 ms

btn-guide-off.jpg

btn-guide-off.jpg

520 ms

btn-contact-off.jpg

btn-contact-off.jpg

519 ms

search_block.gif

search_block.gif

741 ms

btn-signup-off.jpg

btn-signup-off.jpg

1015 ms

btn-login-off.jpg

btn-login-off.jpg

1019 ms

btn-search-off.jpg

btn-search-off.jpg

1022 ms

category_area.png

category_area.png

1016 ms

h2-category.png

h2-category.png

1079 ms

category_area_block_body.gif

category_area_block_body.gif

1359 ms

level1.png

level1.png

1522 ms

tit_bloc_news.png

tit_bloc_news.png

1524 ms

line_dot_01.gif

line_dot_01.gif

1533 ms

haisou250-2023red.jpg

haisou250-2023red.jpg

1704 ms

tit_bloc_calender.png

tit_bloc_calender.png

1597 ms

ico_arrow_04.gif

ico_arrow_04.gif

1879 ms

WFR-3-20220516.jpg

WFR-3-20220516.jpg

2210 ms

left-bn002.jpg

left-bn002.jpg

2221 ms

strpro250-85.jpg

strpro250-85.jpg

2225 ms

slide_bn2.jpg

slide_bn2.jpg

2432 ms

abaniact2017.jpg

abaniact2017.jpg

2740 ms

Gadelius.jpg

Gadelius.jpg

2879 ms

bnr_top10.jpg

bnr_top10.jpg

3042 ms

bnr_top11.jpg

bnr_top11.jpg

3067 ms

bnr_top03.jpg

bnr_top03.jpg

2917 ms

tit_bloc_recommend.png

tit_bloc_recommend.png

2938 ms

resize_image.php

resize_image.php

3299 ms

resize_image.php

resize_image.php

3444 ms

resize_image.php

resize_image.php

3489 ms

resize_image.php

resize_image.php

3498 ms

resize_image.php

resize_image.php

3589 ms

resize_image.php

resize_image.php

3608 ms

resize_image.php

resize_image.php

3780 ms

resize_image.php

resize_image.php

3768 ms

resize_image.php

resize_image.php

3565 ms

resize_image.php

resize_image.php

3557 ms

resize_image.php

resize_image.php

3662 ms

resize_image.php

resize_image.php

3634 ms

small-bn001.jpg

small-bn001.jpg

4008 ms

small-bn003.jpg

small-bn003.jpg

3923 ms

small-bn002.jpg

small-bn002.jpg

3559 ms

bnr_top08.jpg

bnr_top08.jpg

3746 ms

bnr_top02.jpg

bnr_top02.jpg

3816 ms

bnr_top01.jpg

bnr_top01.jpg

3827 ms

20230530-2.jpg

20230530-2.jpg

4456 ms

payment.png

payment.png

3740 ms

page-top.png

page-top.png

3661 ms

fb-logo.png

fb-logo.png

3756 ms

ico_yen.png

ico_yen.png

3812 ms

circle.png

circle.png

3765 ms

category_icon-fff.png

category_icon-fff.png

3916 ms

btn_prev.png

btn_prev.png

3802 ms

btn_next.png

btn_next.png

3586 ms

Accessibility Review

denzai39.com accessibility score

87

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

denzai39.com 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

denzai39.com SEO score

89

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Denzai39.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 Denzai39.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

denzai39.com

Open Graph description is not detected on the main page of Denzai 39. 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: