4.1 sec in total
726 ms
3.2 sec
164 ms
Welcome to jaco.co.jp homepage info - get ready to check Jaco best content for Japan right away, or after learning these important things about jaco.co.jp
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Visit jaco.co.jpWe analyzed Jaco.co.jp page load time and found that the first response time was 726 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
jaco.co.jp performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value3.7 s
58/100
25%
Value6.4 s
40/100
10%
Value210 ms
88/100
30%
Value0
100/100
15%
Value4.3 s
85/100
10%
726 ms
331 ms
332 ms
346 ms
350 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that all of those requests were addressed to Jaco.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Jaco.co.jp.
Page size can be reduced by 128.6 kB (44%)
294.4 kB
165.7 kB
In fact, the total size of Jaco.co.jp main page is 294.4 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. 25% of websites need less resources to load. Images take 120.4 kB which makes up the majority of the site volume.
Potential reduce by 14.7 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 14.7 kB or 74% of the original size.
Potential reduce by 2.7 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. Jaco images are well optimized though.
Potential reduce by 68.0 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 68.0 kB or 66% of the original size.
Potential reduce by 43.3 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. Jaco.co.jp needs all CSS files to be minified and compressed as it can save up to 43.3 kB or 86% of the original size.
Number of requests can be reduced by 10 (16%)
62
52
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jaco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
jaco.co.jp
726 ms
common.css
331 ms
base.css
332 ms
top.css
346 ms
rollover.js
350 ms
clickrollover.js
354 ms
jquery-1.7.2.min.js
931 ms
inlinebg.js
493 ms
jquery.imageNavigation.js
494 ms
default.css
190 ms
common_layout.css
374 ms
class.css
201 ms
120515trans.css
328 ms
header_bg.jpg
178 ms
header_logo.gif
166 ms
header_txt.gif
174 ms
header_inq.gif
166 ms
btn_search.gif
178 ms
gnavi_01_ov.gif
188 ms
gnavi_02.gif
329 ms
gnavi_03.gif
330 ms
gnavi_04.gif
347 ms
gnavi_05.gif
353 ms
top_mainimg_btn_01.gif
353 ms
top_mainimg_btn_02.gif
373 ms
top_mainimg_btn_03.gif
493 ms
top_mainimg_btn_04.gif
493 ms
top_mainimg_01.jpg
691 ms
top_mainimg_02.jpg
705 ms
top_mainimg_03.jpg
706 ms
top_mainimg_04.jpg
560 ms
top_service_h.gif
657 ms
top_info_h.gif
656 ms
green_dotoline_346.gif
746 ms
top_topics_h.gif
820 ms
top_link_h.gif
821 ms
top_rgt_btn_01.gif
863 ms
top_rgt_btn_03.gif
881 ms
arrow01.gif
882 ms
top_btm_btn_01.gif
932 ms
top_btm_btn_02.gif
984 ms
top_btm_btn_03.gif
984 ms
top_btm_btn_04.gif
1035 ms
top_btm_btn_05.gif
1057 ms
topagetop.gif
1058 ms
footer_bg.gif
1121 ms
copyright.gif
1147 ms
arrow02.gif
1148 ms
top_mainimg_btn_01_on.gif
1207 ms
top_mainimg_btn_02_on.gif
1074 ms
top_mainimg_btn_03_on.gif
1075 ms
top_mainimg_btn_04_on.gif
1141 ms
gnavi_02_ov.gif
179 ms
gnavi_03_ov.gif
166 ms
gnavi_04_ov.gif
174 ms
gnavi_05_ov.gif
166 ms
top_rgt_btn_01_ov.gif
178 ms
top_rgt_btn_03_ov.gif
188 ms
top_btm_btn_01_ov.gif
329 ms
top_btm_btn_02_ov.gif
330 ms
top_btm_btn_03_ov.gif
347 ms
top_btm_btn_04_ov.gif
354 ms
top_btm_btn_05_ov.gif
354 ms
jaco.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
jaco.co.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
jaco.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
Image elements do not have [alt] attributes
JA
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jaco.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 Jaco.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
jaco.co.jp
Open Graph description is not detected on the main page of Jaco. 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: