7.8 sec in total
1.6 sec
6.1 sec
152 ms
Click here to check amazing Bosscha Itb content for Indonesia. Otherwise, check out these important facts you probably never knew about bosscha.itb.ac.id
Website Resmi Observatorium Bosscha Fakultas Matematika dan Ilmu Pengetahuan Alam ITB. Sebuah Fasilitas Penelitian Astronomi di Belahan Bumi Selatan.
Visit bosscha.itb.ac.idWe analyzed Bosscha.itb.ac.id page load time and found that the first response time was 1.6 sec and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
bosscha.itb.ac.id performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value9.5 s
0/100
25%
Value10.6 s
7/100
10%
Value1,090 ms
24/100
30%
Value0.505
16/100
15%
Value17.4 s
4/100
10%
1614 ms
525 ms
1932 ms
558 ms
571 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Bosscha.itb.ac.id, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Bosscha.itb.ac.id.
Page size can be reduced by 366.8 kB (40%)
917.2 kB
550.4 kB
In fact, the total size of Bosscha.itb.ac.id main page is 917.2 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. 20% of websites need less resources to load. Images take 450.4 kB which makes up the majority of the site volume.
Potential reduce by 12.7 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. This page needs HTML code to be minified as it can gain 2.2 kB, which is 12% 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 12.7 kB or 73% of the original size.
Potential reduce by 32.6 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. Bosscha Itb images are well optimized though.
Potential reduce by 269.2 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 269.2 kB or 70% of the original size.
Potential reduce by 52.4 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. Bosscha.itb.ac.id needs all CSS files to be minified and compressed as it can save up to 52.4 kB or 83% of the original size.
Number of requests can be reduced by 25 (66%)
38
13
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bosscha Itb. 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 from 12 to 1 for CSS and as a result speed up the page load time.
bosscha.itb.ac.id
1614 ms
style.css
525 ms
mootools.js
1932 ms
caption.js
558 ms
system.css
571 ms
general.css
1121 ms
template.css
1518 ms
menu.css
788 ms
960.css
1149 ms
reset.css
857 ms
text.css
1050 ms
color.css
1142 ms
joomla.css
1314 ms
typo.css
2284 ms
top_menu.css
1425 ms
cssmenu.js
1425 ms
jwplayer.js
2373 ms
jquery-1.3.2.min.js
2598 ms
jquery-ui.min.js
3120 ms
top_bg.gif
264 ms
en.gif
372 ms
in.gif
377 ms
logo_bg.gif
278 ms
logo.png
527 ms
hdot2.gif
553 ms
menu_li.gif
727 ms
drkgrey_bottom.gif
754 ms
drkgrey_h3.gif
745 ms
gbt2016.jpg
1095 ms
Zeiss6.jpg
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kupel-1000x500-small.jpg
1087 ms
n10b-n-andromeda-galaxy-495bg.jpg
1885 ms
bosscha-gao.jpg
2307 ms
rceramah.jpg
1813 ms
img.php
1524 ms
blkwht_bottom.gif
356 ms
box-bl.gif
622 ms
box-tr.gif
898 ms
box-tl.gif
886 ms
blkwht_top.gif
929 ms
bottom_bg.gif
1085 ms
ga.js
40 ms
__utm.gif
11 ms
bosscha.itb.ac.id 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
bosscha.itb.ac.id best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
bosscha.itb.ac.id 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
ID
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bosscha.itb.ac.id can be misinterpreted by Google and other search engines. Our service has detected that is used on the page, and it does not match the claimed English language. Our system also found out that Bosscha.itb.ac.id 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.
bosscha.itb.ac.id
Open Graph description is not detected on the main page of Bosscha Itb. 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: