7.2 sec in total
528 ms
6.3 sec
364 ms
Visit kitatoshima.ed.jp now to see the best up-to-date Kitatoshima content for Japan and also check out these interesting facts you probably never knew about kitatoshima.ed.jp
東京都荒川区の学校法人北豊島学園北豊島中学校・高等学校へお問い合わせください。
Visit kitatoshima.ed.jpWe analyzed Kitatoshima.ed.jp page load time and found that the first response time was 528 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
kitatoshima.ed.jp performance score
name
value
score
weighting
Value13.5 s
0/100
10%
Value15.3 s
0/100
25%
Value18.2 s
0/100
10%
Value1,130 ms
22/100
30%
Value0.009
100/100
15%
Value14.7 s
8/100
10%
528 ms
2358 ms
476 ms
333 ms
336 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 62% of them (60 requests) were addressed to the original Kitatoshima.ed.jp, 16% (16 requests) were made to Maps.googleapis.com and 10% (10 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Kitatoshima.ed.jp.
Page size can be reduced by 1.1 MB (50%)
2.2 MB
1.1 MB
In fact, the total size of Kitatoshima.ed.jp main page is 2.2 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. 60% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 75.7 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 75.7 kB or 83% of the original size.
Potential reduce by 272.3 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, Kitatoshima needs image optimization as it can save up to 272.3 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 728.3 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 728.3 kB or 66% of the original size.
Potential reduce by 54.3 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. Kitatoshima.ed.jp needs all CSS files to be minified and compressed as it can save up to 54.3 kB or 85% of the original size.
Number of requests can be reduced by 50 (55%)
91
41
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kitatoshima. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
kitatoshima.ed.jp
528 ms
www.kitatoshima.ed.jp
2358 ms
default.css
476 ms
style.css
333 ms
design.css
336 ms
page.css
347 ms
sexyalertbox.css
375 ms
jquery-1.4.2.min.js
985 ms
jquery-ui-1.8.6.custom.min.js
1499 ms
font01.css
517 ms
pc.css
562 ms
thickbox.js
632 ms
thickbox.css
654 ms
jquery.cycle.all.js
1034 ms
jquery.jcarousel.js
1123 ms
skin.css
790 ms
jquery.jcarousel.css
821 ms
jquery.easing.1.3.js
948 ms
imgpreview.js
990 ms
pc.css
1109 ms
pc.css
1144 ms
ja.css
1154 ms
js
92 ms
widgets.js
1721 ms
jquery.cookie.js
1269 ms
marquee.js
970 ms
jquery.corner.js
967 ms
pc_onload_hmenu.js
978 ms
twitter.fix.js
1089 ms
ga.js
8 ms
back.jpg
497 ms
logo-trans.png
1109 ms
201510261512056432.jpg
669 ms
201602201736062047.jpg
751 ms
201401061620111659.jpg
165 ms
qrcode.png
330 ms
point.gif
363 ms
rss.gif
494 ms
1_1.gif
536 ms
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657 ms
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659 ms
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879 ms
201510201843169417.jpg
821 ms
201510201843447934.jpg
825 ms
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834 ms
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936 ms
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984 ms
201401061319546288.jpg
991 ms
sdk.js
30 ms
__utm.gif
41 ms
43 ms
xd_arbiter.php
24 ms
xd_arbiter.php
35 ms
design.png
780 ms
hmenu_a.jpg
831 ms
hmenu_a.jpg
902 ms
hmenu_a.jpg
928 ms
hmenu_a.jpg
935 ms
hmenu_a.jpg
951 ms
page.png
1175 ms
line.gif
996 ms
line.gif
1030 ms
loadingAnimation.gif
1001 ms
back.jpg
1353 ms
common.js
113 ms
map.js
132 ms
util.js
169 ms
marker.js
167 ms
font_panel.png
207 ms
font_btn_h.jpg
207 ms
font_btn.jpg
201 ms
StaticMapService.GetMapImage
170 ms
onion.js
24 ms
openhand_8_8.cur
85 ms
ViewportInfoService.GetViewportInfo
74 ms
stats.js
36 ms
controls.js
31 ms
css
84 ms
transparent.png
36 ms
spotlight-poi.png
36 ms
google4.png
72 ms
mapcnt6.png
68 ms
sv5.png
67 ms
tmapctrl.png
64 ms
cb_scout5.png
82 ms
tmapctrl4.png
79 ms
imgs8.png
77 ms
vt
75 ms
vt
79 ms
vt
99 ms
vt
65 ms
vt
163 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
53 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
53 ms
Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf
62 ms
d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf
93 ms
AuthenticationService.Authenticate
209 ms
kitatoshima.ed.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.
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
Links do not have a discernible name
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.
kitatoshima.ed.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
General
Impact
Issue
Detected JavaScript libraries
kitatoshima.ed.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kitatoshima.ed.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 Kitatoshima.ed.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.
kitatoshima.ed.jp
Open Graph data is detected on the main page of Kitatoshima. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: