6.5 sec in total
764 ms
5.5 sec
238 ms
Click here to check amazing Tozai As content for Japan. Otherwise, check out these important facts you probably never knew about tozai-as.or.jp
東西アスファルト事業協同組合
Visit tozai-as.or.jpWe analyzed Tozai-as.or.jp page load time and found that the first response time was 764 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
tozai-as.or.jp performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value11.6 s
0/100
25%
Value6.6 s
37/100
10%
Value10 ms
100/100
30%
Value0.071
96/100
15%
Value5.6 s
69/100
10%
764 ms
382 ms
385 ms
344 ms
332 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 96% of them (49 requests) were addressed to the original Tozai-as.or.jp, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Tozai-as.or.jp.
Page size can be reduced by 154.3 kB (50%)
307.7 kB
153.4 kB
In fact, the total size of Tozai-as.or.jp main page is 307.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Javascripts take 156.7 kB which makes up the majority of the site volume.
Potential reduce by 11.3 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 4.0 kB, which is 27% 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 11.3 kB or 77% of the original size.
Potential reduce by 6.0 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. Tozai As images are well optimized though.
Potential reduce by 114.7 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 114.7 kB or 73% of the original size.
Potential reduce by 22.3 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. Tozai-as.or.jp needs all CSS files to be minified and compressed as it can save up to 22.3 kB or 82% of the original size.
Number of requests can be reduced by 23 (47%)
49
26
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tozai As. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
tozai-as.or.jp
764 ms
import_index.css
382 ms
import_index.js
385 ms
common.css
344 ms
all_footer.css
332 ms
all_header.css
516 ms
contents_top.css
381 ms
prototype.js
1093 ms
rollover.js
338 ms
effects.js
861 ms
tabMaker.js
366 ms
accordion.js
364 ms
imageReplace.js
384 ms
hd_logo.gif
315 ms
hd_sub-info.gif
316 ms
hd_sub-map.gif
315 ms
hd_sub-link.gif
325 ms
hd_sub-top.gif
330 ms
all_h1-bg.gif
345 ms
top_h1-kv.gif
1125 ms
top_middle-bg.gif
668 ms
top_menu-bg.gif
671 ms
top_h3-contents.gif
654 ms
top_menu01.gif
671 ms
top_menu02.gif
679 ms
top_menu10.gif
1124 ms
top_menu03.gif
996 ms
top_menu04.gif
1005 ms
top_h3-topics.gif
1013 ms
all_line-dotted.gif
1047 ms
top_bnr-roots.jpg
1692 ms
banner-thermocontrol.gif
1564 ms
banner-whiteroof_150423.png
2135 ms
top_h3-access.gif
1432 ms
top_access-bg.gif
1449 ms
link-roof.png
1499 ms
link-ohyoh.png
1799 ms
link-ryokkakouji.png
1802 ms
link-builsol.png
1845 ms
all_1px-dot.gif
1887 ms
ga.js
9 ms
__utm.gif
17 ms
hd_sub-info_over.gif
187 ms
hd_sub-map_over.gif
337 ms
hd_sub-link_over.gif
347 ms
hd_sub-top_over.gif
345 ms
top_menu01_over.gif
369 ms
top_menu02_over.gif
375 ms
top_menu10_over.gif
706 ms
top_menu03_over.gif
665 ms
top_menu04_over.gif
679 ms
tozai-as.or.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.
tozai-as.or.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
tozai-as.or.jp SEO score
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tozai-as.or.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 Tozai-as.or.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.
tozai-as.or.jp
Open Graph description is not detected on the main page of Tozai As. 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: