4.9 sec in total
1.2 sec
3.5 sec
218 ms
Welcome to convivace.jp homepage info - get ready to check Convivace best content for Japan right away, or after learning these important things about convivace.jp
はじめてのピアノレッスン (コン・ヴィヴァーチェ)・初心者でも挫折しないピアノの教材、音楽に興味を持っていただける情報を提供
Visit convivace.jpWe analyzed Convivace.jp page load time and found that the first response time was 1.2 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
convivace.jp performance score
name
value
score
weighting
Value1.3 s
99/100
10%
Value1.6 s
99/100
25%
Value2.9 s
95/100
10%
Value50 ms
100/100
30%
Value0.027
100/100
15%
Value4.0 s
88/100
10%
1170 ms
772 ms
581 ms
1197 ms
408 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 81% of them (51 requests) were addressed to the original Convivace.jp, 6% (4 requests) were made to Pagead2.googlesyndication.com and 3% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Convivace.jp.
Page size can be reduced by 45.6 kB (15%)
309.1 kB
263.5 kB
In fact, the total size of Convivace.jp main page is 309.1 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 241.6 kB which makes up the majority of the site volume.
Potential reduce by 22.8 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. 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 22.8 kB or 73% of the original size.
Potential reduce by 8.8 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. Convivace images are well optimized though.
Potential reduce by 1.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 12.9 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. Convivace.jp needs all CSS files to be minified and compressed as it can save up to 12.9 kB or 87% of the original size.
Number of requests can be reduced by 11 (18%)
61
50
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Convivace. 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 as a result speed up the page load time.
convivace.jp
1170 ms
style.css
772 ms
title_top_bar.jpg
581 ms
title_n1.jpg
1197 ms
convivacelogo_n1.gif
408 ms
title_menu_1h.jpg
653 ms
title_menu_2h.jpg
610 ms
title_menu_3h.jpg
752 ms
title_menu_4h.jpg
805 ms
title_menu_5h.jpg
641 ms
side_hajimete.jpg
689 ms
side_new.jpg
764 ms
brand
17 ms
side_search.jpg
780 ms
brand
59 ms
show_ads.js
7 ms
urchin.js
5 ms
backimage.gif
194 ms
title_menu_1s.jpg
241 ms
title_menu_2.jpg
307 ms
title_menu_3.jpg
364 ms
title_menu_4.jpg
380 ms
title_menu_5.jpg
403 ms
side_osusume.jpg
445 ms
tsukinohikari_lit.jpg
731 ms
syumi_lit.jpg
553 ms
pianoselect_lit.jpg
763 ms
childedu_lit.jpg
772 ms
left.gif
616 ms
right.gif
647 ms
side_navi.jpg
743 ms
onavi_1.jpg
814 ms
onavi_2.jpg
1053 ms
onavi_3.jpg
1155 ms
onavi_4.jpg
934 ms
onavi_5.jpg
955 ms
onavi_6.jpg
965 ms
menu_e_right.gif
1013 ms
side_mail.jpg
1124 ms
mglogo16.gif
1147 ms
side_voice.jpg
1157 ms
side_link.jpg
1212 ms
side_sponsor.jpg
1255 ms
piano_hikeru2.gif
1314 ms
pianolessonhome.gif
1338 ms
tsukinohikari_mid.jpg
1578 ms
google_custom_search_watermark.gif
37 ms
syumi_title.gif
1329 ms
syumi_mid.jpg
1373 ms
pianoselect_title_index.gif
1420 ms
ca-pub-3199178449758666.js
54 ms
zrt_lookup.html
44 ms
show_ads_impl.js
50 ms
__utm.gif
4 ms
piano_select_img.jpg
1990 ms
ads
191 ms
osd.js
7 ms
bar_end.gif
1361 ms
gakufu2.gif
1557 ms
topic_back.jpg
1423 ms
pianoimage_s.jpg
1427 ms
list_checkg.gif
1425 ms
abg.js
37 ms
convivace.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
Form elements do not have associated labels
Links do not have a discernible name
convivace.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
convivace.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Convivace.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Convivace.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.
convivace.jp
Open Graph description is not detected on the main page of Convivace. 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: