1.4 sec in total
344 ms
936 ms
148 ms
Click here to check amazing Arsf NERC content for United Kingdom. Otherwise, check out these important facts you probably never knew about arsf.nerc.ac.uk
The Airborne Research and Survey Facility delivers multi-spectral remote sensing data to the UK scientific community
Visit arsf.nerc.ac.ukWe analyzed Arsf.nerc.ac.uk page load time and found that the first response time was 344 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
arsf.nerc.ac.uk performance score
name
value
score
weighting
Value1.8 s
89/100
10%
Value1.8 s
98/100
25%
Value2.0 s
99/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.8 s
100/100
10%
344 ms
248 ms
166 ms
164 ms
178 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Arsf.nerc.ac.uk, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (344 ms) belongs to the original domain Arsf.nerc.ac.uk.
Page size can be reduced by 16.5 kB (12%)
137.9 kB
121.4 kB
In fact, the total size of Arsf.nerc.ac.uk main page is 137.9 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. 15% of websites need less resources to load. Images take 102.7 kB which makes up the majority of the site volume.
Potential reduce by 8.7 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 1.5 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 8.7 kB or 71% of the original size.
Potential reduce by 3.4 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. Arsf NERC 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.
Potential reduce by 4.5 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. Arsf.nerc.ac.uk needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 77% of the original size.
We found no issues to fix!
23
23
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arsf NERC. According to our analytics all requests are already optimized.
arsf.nerc.ac.uk
344 ms
index.asp
248 ms
style.css
166 ms
nerc_logo_new.gif
164 ms
nerc_logo_new_bw.gif
178 ms
toc_horiz.gif
176 ms
exit.gif
177 ms
g-envr.jpg
338 ms
g-envr-image1s.jpg
171 ms
g-envr-image2s.jpg
172 ms
g-envr-image3s.jpg
172 ms
instrument-rack1s.jpg
181 ms
instrument-rack2s.jpg
182 ms
on-campaign-with-faams.jpg
244 ms
ga.js
8 ms
banner.jpg
246 ms
redbar2.gif
166 ms
plane_wm.jpg
170 ms
toc_background2.gif
170 ms
toc_bottom2.jpg
242 ms
border.gif
247 ms
se_2.jpg
254 ms
se_1.jpg
254 ms
se_3.jpg
256 ms
__utm.gif
16 ms
arsf.nerc.ac.uk accessibility score
arsf.nerc.ac.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
arsf.nerc.ac.uk SEO score
EN
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arsf.nerc.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 Arsf.nerc.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.
arsf.nerc.ac.uk
Open Graph description is not detected on the main page of Arsf NERC. 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: