3.5 sec in total
473 ms
2.9 sec
144 ms
Click here to check amazing Imagestore UCL content for United Kingdom. Otherwise, check out these important facts you probably never knew about imagestore.ucl.ac.uk
Visit imagestore.ucl.ac.ukWe analyzed Imagestore.ucl.ac.uk page load time and found that the first response time was 473 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
imagestore.ucl.ac.uk performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value3.5 s
64/100
25%
Value5.1 s
61/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value3.5 s
92/100
10%
473 ms
335 ms
665 ms
311 ms
389 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Imagestore.ucl.ac.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (774 ms) belongs to the original domain Imagestore.ucl.ac.uk.
Page size can be reduced by 208.0 kB (52%)
403.3 kB
195.2 kB
In fact, the total size of Imagestore.ucl.ac.uk main page is 403.3 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. 20% of websites need less resources to load. Javascripts take 181.2 kB which makes up the majority of the site volume.
Potential reduce by 12.9 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 12.9 kB or 79% of the original size.
Potential reduce by 6.0 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. Imagestore UCL images are well optimized though.
Potential reduce by 137.2 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 137.2 kB or 76% of the original size.
Potential reduce by 51.9 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. Imagestore.ucl.ac.uk needs all CSS files to be minified and compressed as it can save up to 51.9 kB or 81% of the original size.
We found no issues to fix!
22
22
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imagestore UCL. According to our analytics all requests are already optimized.
imagestore.ucl.ac.uk
473 ms
imagestore.ucl.ac.uk
335 ms
start
665 ms
fbrowse.css
311 ms
fotoshoot.css
389 ms
bundle1.js
695 ms
uclLogoImageStore2.gif
79 ms
UCL_New_Words1.jpg
309 ms
headerflow_dark.png
234 ms
dark-split.png
235 ms
image_21_8a17e.jpg
237 ms
image_22_c07ef.jpg
237 ms
ImStFP_01_506cd.jpg
313 ms
ImStFP_03_dd6ac.jpg
464 ms
ImStFP_04_74660.jpg
465 ms
Infinity_pool_at_sunset_1_70ce7.jpg
465 ms
ImStFP_08_e9dba.jpg
467 ms
ImStFP_09_a2dde.jpg
540 ms
ImStFP_10_98401.jpg
543 ms
ImStFP_22_fbb74.jpg
693 ms
Laws_Prizes2010_001_f4db6.jpg
695 ms
ImStFP_02_322b1.jpg
696 ms
OpenDay003_3d2c3.jpg
697 ms
OpenDay07Cl_20_45e6d.jpg
771 ms
OpenDay260_4305b.jpg
774 ms
imagestore.ucl.ac.uk 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.
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
Form elements do not have associated labels
imagestore.ucl.ac.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Issues were logged in the Issues panel in Chrome Devtools
imagestore.ucl.ac.uk SEO score
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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Imagestore.ucl.ac.uk 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 Imagestore.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.
imagestore.ucl.ac.uk
Open Graph description is not detected on the main page of Imagestore 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: