4.4 sec in total
647 ms
3.6 sec
119 ms
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Visit gakkokaikaku.netWe analyzed Gakkokaikaku.net page load time and found that the first response time was 647 ms 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.
gakkokaikaku.net performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value1.6 s
99/100
25%
Value2.5 s
97/100
10%
Value90 ms
99/100
30%
Value0.214
58/100
15%
Value3.9 s
89/100
10%
647 ms
342 ms
320 ms
325 ms
348 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 94% of them (29 requests) were addressed to the original Gakkokaikaku.net, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Gakkokaikaku.net.
Page size can be reduced by 71.7 kB (25%)
285.4 kB
213.6 kB
In fact, the total size of Gakkokaikaku.net main page is 285.4 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. 15% of websites need less resources to load. Images take 225.2 kB which makes up the majority of the site volume.
Potential reduce by 4.0 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 741 B, which is 11% 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 4.0 kB or 59% of the original size.
Potential reduce by 38.1 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, Gakkokaikaku needs image optimization as it can save up to 38.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 34 B
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 29.6 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. Gakkokaikaku.net needs all CSS files to be minified and compressed as it can save up to 29.6 kB or 82% of the original size.
Number of requests can be reduced by 9 (31%)
29
20
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gakkokaikaku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for CSS and as a result speed up the page load time.
gakkokaikaku.net
647 ms
import.css
342 ms
reset.css
320 ms
structure.css
325 ms
sections.css
348 ms
textdecorations.css
349 ms
others.css
381 ms
table.css
391 ms
form.css
660 ms
home.css
670 ms
others.css
889 ms
ga.js
18 ms
structure.css
171 ms
gakkoukaikaku_logo.png
203 ms
bn_nobinobi.png
639 ms
banner_7hj.png
553 ms
banner_yomiuri_20111208.png
586 ms
banner_fce_cc04.png
1010 ms
bn_yumekyouiku.png
511 ms
bn_angermanagement.png
827 ms
bn_dreammap.png
1386 ms
header_nav.png
905 ms
top_back.jpg
1117 ms
global_nav.png
1051 ms
top_msg.png
1520 ms
menu01.png
1305 ms
menu02.png
1365 ms
menu03.png
1459 ms
footer_nav.png
1485 ms
copyright.png
1719 ms
__utm.gif
13 ms
gakkokaikaku.net 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.
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
<frame> or <iframe> elements do not have a title
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
gakkokaikaku.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
gakkokaikaku.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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 doesn't use legible font sizes
N/A
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gakkokaikaku.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Gakkokaikaku.net 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.
gakkokaikaku.net
Open Graph description is not detected on the main page of Gakkokaikaku. 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: