4.8 sec in total
520 ms
3.7 sec
578 ms
Click here to check amazing I 4 Is content. Otherwise, check out these important facts you probably never knew about i4is.org
Working towards the achievement of interstellar flight through knowledge to the stars - Starships in our lifetime
Visit i4is.orgWe analyzed I4is.org page load time and found that the first response time was 520 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.
i4is.org performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value10.4 s
0/100
25%
Value13.2 s
2/100
10%
Value17,930 ms
0/100
30%
Value0.061
97/100
15%
Value30.2 s
0/100
10%
520 ms
142 ms
230 ms
399 ms
240 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 75% of them (55 requests) were addressed to the original I4is.org, 7% (5 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (961 ms) belongs to the original domain I4is.org.
Page size can be reduced by 512.0 kB (28%)
1.9 MB
1.3 MB
In fact, the total size of I4is.org main page is 1.9 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. 55% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 56.9 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 56.9 kB or 78% of the original size.
Potential reduce by 65.5 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. I 4 Is images are well optimized though.
Potential reduce by 189.1 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 189.1 kB or 64% of the original size.
Potential reduce by 200.5 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. I4is.org needs all CSS files to be minified and compressed as it can save up to 200.5 kB or 92% of the original size.
Number of requests can be reduced by 37 (57%)
65
28
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I 4 Is. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
i4is.org
520 ms
wp-emoji-release.min.js
142 ms
style-front.css
230 ms
style.css
399 ms
photoswipe.css
240 ms
default-skin.css
252 ms
front.css
255 ms
css
35 ms
ionicons.min.css
25 ms
socialshare.css
256 ms
s2member-o.php
551 ms
jquery.js
631 ms
jquery-migrate.min.js
336 ms
tracking-analytics-events.js
340 ms
photoswipe.min.js
509 ms
photoswipe-masonry.js
419 ms
photoswipe-ui-default.min.js
426 ms
masonry.pkgd.min.js
553 ms
imagesloaded.pkgd.min.js
503 ms
scripts-general.js
513 ms
3f2831c2b5.js
320 ms
css
32 ms
css
32 ms
wp-lightbox-bank.css
693 ms
front-page.js
545 ms
hoverIntent.min.js
550 ms
superfish.js
685 ms
superfish.args.js
684 ms
skip-links.js
728 ms
global.js
728 ms
match-height.js
727 ms
responsive-menu.js
727 ms
socialshare.js
727 ms
s2member-o.php
961 ms
wp-embed.min.js
794 ms
wp-lightbox-bank.js
792 ms
analytics.js
126 ms
i4is_logo.jpg
172 ms
NASA-Red-Dwarf-Planet.jpg
663 ms
I4IS-Logo-Transparent.png
503 ms
Milky-Way-Galaxy-over-Pakistan-600x600.jpg
325 ms
37974364-earth-from-space-600x600.png
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Picture1-600x600.jpg
338 ms
Canadarm2-to-release-Dragon-from-the-International-Space-Station-600x600.jpg
485 ms
38712_i4is_slider_07-1.jpg
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Pluto.jpg
755 ms
Shackleton-2-150x150.jpg
565 ms
BIS.png
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ISU.png
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TVIW.jpg
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SIMONBOWDEN.png
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SCIFILONDON.png
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STELLAR.jpg
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CSR.png
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TAO.jpg
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Logo-Nebula-Sciences.png
779 ms
Logo-UKSEDS.png
802 ms
Logo-Breakthrough-Initiatives.png
819 ms
Logo-TUM.png
841 ms
Logo-Bristol-SpacePlanes.png
841 ms
3f2831c2b5.css
101 ms
lVErvynhvxLufD6jW6vDo_esZW2xOQ-xsNqO47m55DA.ttf
81 ms
VK2oK8L4CJesxwY5dF3zxZ0EAVxt0G0biEntp43Qt6E.ttf
184 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
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k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
186 ms
ionicons.ttf
70 ms
xjAJXh38I15wypJXxuGMBp0EAVxt0G0biEntp43Qt6E.ttf
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collect
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collect
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font-awesome-css.min.css
11 ms
fontawesome-webfont.woff
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checkout.js
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ajax-loader.gif
464 ms
i4is.org 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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
i4is.org 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
Page has valid source maps
i4is.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise I4is.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that I4is.org 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.
i4is.org
Open Graph data is detected on the main page of I 4 Is. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: