4.6 sec in total
332 ms
4 sec
267 ms
Visit smile-zemi.jp now to see the best up-to-date Smile Zemi content for Japan and also check out these interesting facts you probably never knew about smile-zemi.jp
タブレットで学ぶ幼児・小学生・中学生・高校生向け通信教育「スマイルゼミ」
Visit smile-zemi.jpWe analyzed Smile-zemi.jp page load time and found that the first response time was 332 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
smile-zemi.jp performance score
name
value
score
weighting
Value7.7 s
0/100
10%
Value15.6 s
0/100
25%
Value15.4 s
0/100
10%
Value1,430 ms
15/100
30%
Value0.081
94/100
15%
Value30.7 s
0/100
10%
332 ms
815 ms
936 ms
447 ms
452 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 65% of them (36 requests) were addressed to the original Smile-zemi.jp, 5% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source F1.zenclerk.com.
Page size can be reduced by 434.8 kB (35%)
1.2 MB
799.9 kB
In fact, the total size of Smile-zemi.jp main page is 1.2 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. 30% of websites need less resources to load. Images take 746.3 kB which makes up the majority of the site volume.
Potential reduce by 19.1 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 19.1 kB or 77% of the original size.
Potential reduce by 80.0 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. Obviously, Smile Zemi needs image optimization as it can save up to 80.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 128.2 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 128.2 kB or 57% of the original size.
Potential reduce by 207.5 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. Smile-zemi.jp needs all CSS files to be minified and compressed as it can save up to 207.5 kB or 88% of the original size.
Number of requests can be reduced by 27 (52%)
52
25
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Smile Zemi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
smile-zemi.jp
332 ms
smile-zemi.jp
815 ms
style.css
936 ms
top.css
447 ms
top_ab.css
452 ms
head.js
503 ms
main.js
1081 ms
item-apply-mid-modal.css
159 ms
global_application-mid-balloon.css
153 ms
style_add.css
440 ms
style_mid.css
330 ms
rt.ad
790 ms
ght_a_title1.png
180 ms
ght_a_title2.png
303 ms
ght_a_logo-shogaku.png
179 ms
top-ele-sp.png
179 ms
nav-btn-1st-year.png
179 ms
nav-btn-2nd-year.png
356 ms
nav-btn-3rd-year.png
324 ms
nav-btn-4th-year.png
357 ms
nav-btn-5th-year.png
356 ms
nav-btn-6th-year.png
453 ms
ght_a_logo-chugaku.png
470 ms
top-mid-sp.png
683 ms
nav-btn-choose.png
512 ms
nav-btn-1st-year.png
519 ms
nav-btn-2nd-year.png
530 ms
nav-btn-3rd-year.png
603 ms
bnr-camp-cont-sukima-pc.png
762 ms
bnr-sukima-pc.png
825 ms
facebook_sp.png
683 ms
gtm.js
136 ms
bg-ght_a.jpg
1406 ms
sprite@2x.png
1344 ms
jquery.cookie.js
771 ms
balloon.js
771 ms
apply-modal.js
850 ms
tag.js
34 ms
myfont.woff
904 ms
tag
66 ms
analytics.js
35 ms
conversion_async.js
54 ms
oct.js
137 ms
smile-zemi.js
1407 ms
dmp.js
675 ms
collect
6 ms
collect
50 ms
collect
6 ms
collect
57 ms
39 ms
34 ms
adsct
81 ms
adsct
108 ms
adsct
100 ms
adsct
117 ms
smile-zemi.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.
smile-zemi.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
smile-zemi.jp SEO score
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
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Smile-zemi.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 Smile-zemi.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.
smile-zemi.jp
Open Graph data is detected on the main page of Smile Zemi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: