8.6 sec in total
1.7 sec
4.6 sec
2.3 sec
Visit cera.co.jp now to see the best up-to-date Cera content for Japan and also check out these interesting facts you probably never knew about cera.co.jp
セラトレーディングでは、欧米20社から美しいデザインの水まわり商品(洗面台・手洗器・キッチン水栓など)を輸入及び販売しています。
Visit cera.co.jpWe analyzed Cera.co.jp page load time and found that the first response time was 1.7 sec and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
cera.co.jp performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value12.4 s
0/100
25%
Value9.8 s
10/100
10%
Value1,100 ms
24/100
30%
Value0
100/100
15%
Value10.7 s
22/100
10%
1733 ms
67 ms
358 ms
386 ms
717 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 67% of them (34 requests) were addressed to the original Cera.co.jp, 8% (4 requests) were made to Googletagmanager.com and 8% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Cera.co.jp.
Page size can be reduced by 230.1 kB (6%)
4.0 MB
3.8 MB
In fact, the total size of Cera.co.jp main page is 4.0 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. 45% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.
Potential reduce by 203.0 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. This page needs HTML code to be minified as it can gain 61.7 kB, which is 28% 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 203.0 kB or 92% of the original size.
Potential reduce by 196 B
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. Cera images are well optimized though.
Potential reduce by 19.1 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 19.1 kB or 20% of the original size.
Potential reduce by 7.8 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. Cera.co.jp needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 43% of the original size.
Number of requests can be reduced by 20 (41%)
49
29
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
www.cera.co.jp
1733 ms
gtm.js
67 ms
parts_top.css
358 ms
top.css
386 ms
jquery-3.6.0.min.js
717 ms
top01.js
581 ms
slick.min.js
751 ms
top02.js
753 ms
js
51 ms
analytics.js
15 ms
destination
45 ms
ytag.js
812 ms
munchkin.js
384 ms
collect
211 ms
collect
231 ms
collect
4 ms
logo_cera01.svg
596 ms
btn_insta01.svg
595 ms
btn_fb01.svg
599 ms
img_space01.jpg
897 ms
img_space02.jpg
1250 ms
img_space03.jpg
1091 ms
img_space04.jpg
927 ms
img_space05.jpg
926 ms
collect
237 ms
js
149 ms
collect
212 ms
snav.svg
509 ms
icn_search01.svg
678 ms
gnav.svg
814 ms
icn_ar01_01_black.svg
846 ms
btn_prev01.svg
847 ms
btn_next01.svg
843 ms
icn_ar01_01_white.svg
981 ms
icn_insta01.svg
1006 ms
icn_ar01_02_black.svg
1007 ms
btn_pagetop.svg
1008 ms
icn_fav01.svg
1009 ms
munchkin.js
96 ms
ga-audiences
620 ms
ga-audiences
1004 ms
visitWebPage
381 ms
29_ext_01_1.jpg
1308 ms
1368_ext_01_0.jpg
1647 ms
1353_ext_01_0.jpg
1328 ms
1262_ext_01_0.jpg
1327 ms
1265_ext_01_0.jpg
1661 ms
13518_ext_01_0.jpg
1664 ms
13517_ext_01_0.jpg
1474 ms
17841403325807003
588 ms
13514_ext_01_0.jpg
1334 ms
cera.co.jp accessibility score
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
Links do not have a discernible name
cera.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
cera.co.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cera.co.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 Cera.co.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.
cera.co.jp
Open Graph data is detected on the main page of Cera. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: