1.7 sec in total
309 ms
1.1 sec
294 ms
Visit backstagescience.com now to see the best up-to-date Backstage Science content and also check out these interesting facts you probably never knew about backstagescience.com
We're creating a series of video going 'backstage' in some of the UK's top science facilities. Films by Brady Haran for the Science and Technlogy Facilities Council (STFC).
Visit backstagescience.comWe analyzed Backstagescience.com page load time and found that the first response time was 309 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
backstagescience.com performance score
name
value
score
weighting
Value1.1 s
99/100
10%
Value5.9 s
14/100
25%
Value1.4 s
100/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value4.1 s
87/100
10%
309 ms
17 ms
228 ms
162 ms
165 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 96% of them (51 requests) were addressed to the original Backstagescience.com, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (641 ms) belongs to the original domain Backstagescience.com.
Page size can be reduced by 20.2 kB (3%)
696.3 kB
676.1 kB
In fact, the total size of Backstagescience.com main page is 696.3 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. 40% of websites need less resources to load. Images take 663.8 kB which makes up the majority of the site volume.
Potential reduce by 12.6 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 1.7 kB, which is 11% 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 12.6 kB or 82% of the original size.
Potential reduce by 7.6 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. Backstage Science images are well optimized though.
Potential reduce by 34 B
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. This website has mostly compressed JavaScripts.
We found no issues to fix!
52
52
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Backstage Science. According to our analytics all requests are already optimized.
backstagescience.com
309 ms
ga.js
17 ms
banner.jpg
228 ms
mainvideos.jpg
162 ms
hydrogen_storage.jpg
165 ms
feather_drop.jpg
158 ms
sea_surface.jpg
167 ms
crystal.jpg
165 ms
octopus_laser.jpg
306 ms
nano_isis.jpg
236 ms
lasers_DNA.jpg
240 ms
muons_beam_on.jpg
314 ms
xflare.jpg
312 ms
space_shaker.jpg
302 ms
aliceemma.jpg
325 ms
diamond.jpg
335 ms
basement.jpg
407 ms
kmos.jpg
384 ms
enginx.jpg
387 ms
solartopten.jpg
405 ms
electrongun.jpg
407 ms
vulcanplasma.jpg
416 ms
gold_foil.jpg
460 ms
MIRI_main.jpg
462 ms
test_chamber.jpg
490 ms
diamondshutdown.jpg
491 ms
solarscientist.jpg
485 ms
heliocentric.jpg
487 ms
neutronsource.jpg
538 ms
ISIS_target.jpg
549 ms
extrafootage.jpg
611 ms
closed_doors_promo.jpg
603 ms
lap_synchrotron.jpg
582 ms
hydrogen_extras.jpg
565 ms
MIRI_extras.jpg
613 ms
diamond_pipes.jpg
631 ms
ISIS_magnet.jpg
641 ms
__utm.gif
13 ms
champagne.jpg
607 ms
ISIS_polaris.jpg
533 ms
teaser.jpg
537 ms
scientistqa.jpg
533 ms
sean_qa.jpg
552 ms
ania_QA.jpg
557 ms
ceri-qa.jpg
515 ms
sagan.jpg
549 ms
bruce_qa.jpg
532 ms
peter_qa.jpg
484 ms
claire_qa.jpg
490 ms
paul_qa.jpg
489 ms
michele_qa.jpg
505 ms
lee_qa.jpg
525 ms
nigel_qa.jpg
526 ms
backstagescience.com accessibility score
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
backstagescience.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
backstagescience.com SEO score
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Backstagescience.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Backstagescience.com 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.
backstagescience.com
Open Graph description is not detected on the main page of Backstage Science. 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: