3.4 sec in total
1.2 sec
2 sec
161 ms
Visit orbit.medphys.ucl.ac.uk now to see the best up-to-date Orbit Medphys Ucl content for United Kingdom and also check out these interesting facts you probably never knew about orbit.medphys.ucl.ac.uk
Orbiter is a realistic 3D real-time space flight simulator program. Official site with free download.
Visit orbit.medphys.ucl.ac.ukWe analyzed Orbit.medphys.ucl.ac.uk page load time and found that the first response time was 1.2 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
orbit.medphys.ucl.ac.uk performance score
name
value
score
weighting
Value2.4 s
72/100
10%
Value2.4 s
92/100
25%
Value3.8 s
85/100
10%
Value0 ms
100/100
30%
Value0.12
84/100
15%
Value2.4 s
99/100
10%
1238 ms
241 ms
25 ms
325 ms
20 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 46% of them (26 requests) were addressed to the original Orbit.medphys.ucl.ac.uk, 14% (8 requests) were made to Apis.google.com and 12% (7 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Orbit.medphys.ucl.ac.uk.
Page size can be reduced by 70.9 kB (19%)
382.3 kB
311.4 kB
In fact, the total size of Orbit.medphys.ucl.ac.uk main page is 382.3 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. 60% of websites need less resources to load. Images take 258.7 kB which makes up the majority of the site volume.
Potential reduce by 23.3 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 23.3 kB or 73% of the original size.
Potential reduce by 17.5 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. Orbit Medphys Ucl images are well optimized though.
Potential reduce by 17.5 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 17.5 kB or 23% of the original size.
Potential reduce by 12.7 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. Orbit.medphys.ucl.ac.uk needs all CSS files to be minified and compressed as it can save up to 12.7 kB or 81% of the original size.
Number of requests can be reduced by 15 (28%)
54
39
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Orbit Medphys Ucl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
orbit.medphys.ucl.ac.uk
1238 ms
orbit.css
241 ms
jquery.min.js
25 ms
fadeslideshow.js
325 ms
jsapi
20 ms
i.gif
17 ms
orbiter_sfs_counter
368 ms
atlantis_hst.jpg
96 ms
iss_milkyway.jpg
239 ms
solar_sail.jpg
104 ms
atlantis_cockpit.jpg
322 ms
ksc.jpg
316 ms
earth_hires.jpg
325 ms
saturn.jpg
233 ms
dg_cockpit.jpg
238 ms
florida_hires.jpg
264 ms
iss_atlantis.jpg
265 ms
dg_orbit.jpg
264 ms
atlantis_launch2.jpg
355 ms
atlantis_launch.jpg
349 ms
dg_forces.jpg
341 ms
indonesia.jpg
397 ms
jovian_system.jpg
397 ms
iss_atlantis2.jpg
408 ms
shuttle_a.jpg
425 ms
atlantis_reentry.jpg
437 ms
Orbiter_bkg.jpg
517 ms
orbiter_logo.png
553 ms
vline.png
494 ms
sfs_logo.png
476 ms
all.js
23 ms
plusone.js
97 ms
0.gif
44 ms
50 ms
186 ms
xd_arbiter.php
21 ms
xd_arbiter.php
50 ms
default+en.css
12 ms
minimalist.css
36 ms
default+en.I.js
38 ms
cb=gapi.loaded_0
16 ms
cb=gapi.loaded_1
34 ms
fastbutton
116 ms
minimalist.css
43 ms
postmessageRelay
115 ms
async-ads.js
76 ms
google_custom_search_watermark.gif
52 ms
small-logo.png
47 ms
cb=gapi.loaded_0
37 ms
cb=gapi.loaded_1
23 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
53 ms
3193398744-postmessagerelay.js
27 ms
rpc:shindig_random.js
34 ms
cb=gapi.loaded_0
3 ms
like.php
89 ms
qeKvIRsJabD.js
35 ms
LVx-xkvaJ0b.png
16 ms
orbit.medphys.ucl.ac.uk accessibility score
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
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
Image elements do not have [alt] attributes
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.
orbit.medphys.ucl.ac.uk 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
Browser errors were logged to the console
orbit.medphys.ucl.ac.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Orbit.medphys.ucl.ac.uk 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 Orbit.medphys.ucl.ac.uk main page’s claimed encoding is iso-8859-1. 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.
orbit.medphys.ucl.ac.uk
Open Graph description is not detected on the main page of Orbit Medphys Ucl. 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: