8.8 sec in total
902 ms
7.7 sec
176 ms
Welcome to jametro.or.jp homepage info - get ready to check Jametro best content for Japan right away, or after learning these important things about jametro.or.jp
日本地下鉄協会
Visit jametro.or.jpWe analyzed Jametro.or.jp page load time and found that the first response time was 902 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
jametro.or.jp performance score
name
value
score
weighting
Value4.8 s
11/100
10%
Value6.9 s
6/100
25%
Value8.8 s
16/100
10%
Value80 ms
99/100
30%
Value0
100/100
15%
Value12.0 s
16/100
10%
902 ms
511 ms
343 ms
516 ms
347 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 92% of them (72 requests) were addressed to the original Jametro.or.jp, 3% (2 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Jametro.or.jp.
Page size can be reduced by 835.3 kB (28%)
3.0 MB
2.1 MB
In fact, the total size of Jametro.or.jp main page is 3.0 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 2.7 MB which makes up the majority of the site volume.
Potential reduce by 19.8 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 4.4 kB, which is 18% 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 19.8 kB or 80% of the original size.
Potential reduce by 677.4 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. Obviously, Jametro needs image optimization as it can save up to 677.4 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 85.7 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 85.7 kB or 58% of the original size.
Potential reduce by 52.5 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. Jametro.or.jp needs all CSS files to be minified and compressed as it can save up to 52.5 kB or 85% of the original size.
Number of requests can be reduced by 9 (12%)
77
68
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jametro. 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 6 to 1 for CSS and as a result speed up the page load time.
jametro.or.jp
902 ms
style.css
511 ms
base.css
343 ms
common.css
516 ms
flexslider.css
347 ms
jquery-1.11.1.min.js
743 ms
yuga.js
553 ms
jquery.flexslider-min.js
866 ms
css
34 ms
notosansjp.css
52 ms
bg.jpg
184 ms
logo.jpg
185 ms
top_nav01.jpg
342 ms
top_nav02.jpg
349 ms
icon_world.png
349 ms
index_header_l.jpg
524 ms
mainv01.png
1478 ms
mainv02.png
1670 ms
mainv03.png
1034 ms
mainv04.png
1270 ms
mainv05.png
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mainv06.png
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mainv08.png
1900 ms
mainv09.png
2134 ms
mainv10.png
2189 ms
mainv11.png
2351 ms
mainv12.png
2593 ms
mainv14.png
2627 ms
mainv15.png
2812 ms
index_header_r.jpg
2483 ms
bnr05.jpg
2707 ms
bnr01.jpg
2906 ms
bnr_shasou.jpg
2856 ms
reed01.jpg
2940 ms
news_bg.jpg
3001 ms
pdf.jpg
3078 ms
reed02.jpg
3365 ms
news_bg2.jpg
3225 ms
bg01.jpg
3248 ms
photo01.jpg
3287 ms
menu01.jpg
3345 ms
photo02.jpg
3424 ms
menu02.jpg
3594 ms
photo03.jpg
3620 ms
analytics.js
10 ms
menu03.jpg
3579 ms
font
24 ms
collect
27 ms
js
58 ms
photo04.jpg
3511 ms
menu04.jpg
3533 ms
photo05.jpg
3454 ms
menu05.jpg
3799 ms
photo06.jpg
3616 ms
menu06.jpg
3454 ms
photo07.jpg
3010 ms
menu07.jpg
3061 ms
photo09.jpg
3043 ms
menu09.jpg
3236 ms
photo08.jpg
3433 ms
menu08.jpg
2737 ms
bnr_youtube03.jpg
2745 ms
s_reed01.jpg
2725 ms
s_link01.jpg
2527 ms
s_link02.jpg
2562 ms
s_link03.jpg
2507 ms
s_link04.jpg
2404 ms
s_reed02.jpg
2400 ms
arrow01.jpg
2372 ms
MannerPosterBanner.jpg
2735 ms
bnr02.jpg
2569 ms
daycount.cgi
2381 ms
gotop.jpg
2352 ms
foot.jpg
2401 ms
top_nav01_on.jpg
2342 ms
top_nav02_on.jpg
2506 ms
bg_direction_nav.png
551 ms
jametro.or.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
Links do not have a discernible name
jametro.or.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
jametro.or.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
Image elements do not have [alt] attributes
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jametro.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 Jametro.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.
jametro.or.jp
Open Graph description is not detected on the main page of Jametro. 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: