9.5 sec in total
2 sec
7.3 sec
236 ms
Visit sankodenki.jp now to see the best up-to-date Sankodenki content and also check out these interesting facts you probably never knew about sankodenki.jp
弊社では街路灯・道路灯・防犯灯・屋外照明器具及びランプ・橋梁灯・表示灯・アーケード照明器具の製造販売やメンテナンス・施工をはじめ、街路環境の企画デザイン設計から施工、販売までおこなっております。
Visit sankodenki.jpWe analyzed Sankodenki.jp page load time and found that the first response time was 2 sec and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
sankodenki.jp performance score
name
value
score
weighting
Value3.0 s
50/100
10%
Value4.7 s
33/100
25%
Value5.3 s
59/100
10%
Value140 ms
96/100
30%
Value0.94
3/100
15%
Value5.3 s
73/100
10%
2049 ms
551 ms
389 ms
377 ms
379 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 89% of them (57 requests) were addressed to the original Sankodenki.jp, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Sankodenki.jp.
Page size can be reduced by 599.6 kB (27%)
2.2 MB
1.6 MB
In fact, the total size of Sankodenki.jp main page is 2.2 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.
Potential reduce by 43.1 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 43.1 kB or 79% of the original size.
Potential reduce by 50.7 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. Sankodenki images are well optimized though.
Potential reduce by 450.5 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 450.5 kB or 67% of the original size.
Potential reduce by 55.4 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. Sankodenki.jp needs all CSS files to be minified and compressed as it can save up to 55.4 kB or 85% of the original size.
Number of requests can be reduced by 35 (56%)
63
28
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sankodenki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
sankodenki.jp
2049 ms
default.css
551 ms
style.css
389 ms
design.css
377 ms
page.css
379 ms
sexyalertbox.css
388 ms
jquery-1.4.2.min.js
1054 ms
jquery-ui-1.8.6.custom.min.js
1671 ms
font01.css
723 ms
pc.css
743 ms
thickbox.js
918 ms
thickbox.css
939 ms
jquery.cycle.all.js
1472 ms
jquery.jcarousel.js
1300 ms
skin.css
1286 ms
jquery.jcarousel.css
1310 ms
jquery.easing.1.3.js
1399 ms
imgpreview.js
1644 ms
pc.css
1656 ms
pc.css
1684 ms
pc.css
1765 ms
ja.css
1855 ms
js
61 ms
widgets.js
2735 ms
jquery.cookie.js
2013 ms
marquee.js
1699 ms
jquery.corner.js
1739 ms
pc_onload.js
1796 ms
twitter.fix.js
1875 ms
analytics.js
11 ms
back.jpg
534 ms
logo-trans.png
530 ms
201511121451563629.jpg
1625 ms
201511121452091245.jpg
1649 ms
201511121452206802.jpg
1751 ms
201511121452304400.jpg
1988 ms
point.gif
961 ms
rss.gif
1251 ms
201511121455413467.jpg
1695 ms
201511121455596616.jpg
1971 ms
201511261827174251.jpg
2146 ms
201511121459022845.jpg
2021 ms
sdk.js
160 ms
collect
14 ms
136 ms
xd_arbiter.php
130 ms
xd_arbiter.php
256 ms
design.png
1347 ms
hmenu_a.jpg
1246 ms
hmenu_a.jpg
1444 ms
hmenu_a.jpg
1455 ms
hmenu_a.jpg
1512 ms
hmenu_a.jpg
1607 ms
bot.png
1790 ms
page.png
1901 ms
line.gif
1792 ms
line.gif
1808 ms
loadingAnimation.gif
1904 ms
201511121451563629.jpg
2259 ms
back.jpg
2132 ms
201511121452091245.jpg
373 ms
font_panel.png
192 ms
font_btn_h.jpg
355 ms
font_btn.jpg
351 ms
sankodenki.jp accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
sankodenki.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sankodenki.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sankodenki.jp 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 Sankodenki.jp 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.
sankodenki.jp
Open Graph data is detected on the main page of Sankodenki. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: