9.7 sec in total
702 ms
8.7 sec
304 ms
Click here to check amazing Gekkou content for Japan. Otherwise, check out these important facts you probably never knew about gekkou.or.jp
伊豆半島の付け根に位置する公開天文台です。1日3回投影するプラネタリウム、恐竜や化石を展示しているジオワールド、月や惑星や銀河など宇宙に関する展示のコスモワールド、イベント&星空観望会、富士山を眺めるカフェではランチをぜひお楽しみください。
Visit gekkou.or.jpWe analyzed Gekkou.or.jp page load time and found that the first response time was 702 ms and then it took 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.
gekkou.or.jp performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value2.6 s
87/100
25%
Value6.1 s
45/100
10%
Value390 ms
69/100
30%
Value1.054
2/100
15%
Value8.3 s
39/100
10%
702 ms
517 ms
531 ms
532 ms
534 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 95% of them (76 requests) were addressed to the original Gekkou.or.jp, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain Gekkou.or.jp.
Page size can be reduced by 496.4 kB (15%)
3.3 MB
2.8 MB
In fact, the total size of Gekkou.or.jp main page is 3.3 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 3.0 MB which makes up the majority of the site volume.
Potential reduce by 23.0 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. 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 23.0 kB or 82% of the original size.
Potential reduce by 318.5 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, Gekkou needs image optimization as it can save up to 318.5 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 133.6 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 133.6 kB or 60% of the original size.
Potential reduce by 21.2 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. Gekkou.or.jp needs all CSS files to be minified and compressed as it can save up to 21.2 kB or 82% of the original size.
Number of requests can be reduced by 15 (19%)
79
64
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gekkou. 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 JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
gekkou.or.jp
702 ms
import.css
517 ms
common.js
531 ms
showmenu.js
532 ms
image_navigation.css
534 ms
jquery-1.9.1.min.js
6 ms
fotorama.css
532 ms
fotorama.js
741 ms
rolljquery.js
1414 ms
rollover.js
859 ms
jquery.imageNavigation.js
881 ms
default.css
377 ms
layout.css
397 ms
style.css
591 ms
news.css
683 ms
jquery.js
544 ms
effect.js
176 ms
bg.jpg
845 ms
bnr_top04.jpg
333 ms
line_f_gry.gif
558 ms
main01.jpg
2472 ms
logo.png
350 ms
hdr_name.jpg
353 ms
gnav_about.jpg
362 ms
gnav_information.jpg
366 ms
gnav_tenmon.jpg
369 ms
gnav_planet.jpg
687 ms
gnav_tigaku.jpg
693 ms
gnav_access.jpg
711 ms
gnav_cont.jpg
709 ms
bnr_top01.jpg
907 ms
bnr_top02.jpg
1183 ms
bnr_top03.jpg
1222 ms
main02.jpg
2202 ms
main03.jpg
1620 ms
main04.jpg
3876 ms
main05.jpg
2580 ms
nav01.png
1751 ms
new.jpg
1589 ms
231.jpg
3716 ms
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2203 ms
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2250 ms
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2712 ms
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4428 ms
ga.js
11 ms
__utm.gif
12 ms
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4068 ms
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pickup.png
3601 ms
bnr_planet.png
4112 ms
bnr_tenmon.png
3800 ms
bnr_tigaku.png
3651 ms
nav01_on.png
3490 ms
gekkou.or.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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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.
gekkou.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
gekkou.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
Image elements do not have [alt] attributes
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 Gekkou.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 Gekkou.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.
gekkou.or.jp
Open Graph description is not detected on the main page of Gekkou. 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: