3.4 sec in total
534 ms
2.7 sec
226 ms
Click here to check amazing Phe Culture Collections content for United States. Otherwise, check out these important facts you probably never knew about phe-culturecollections.org.uk
UK Health Security Agency (UKHSA) is the custodian of four unique collections of expertly preserved, authenticated cell lines and microbial strains for use in medical science and laboratory healthcare...
Visit phe-culturecollections.org.ukWe analyzed Phe-culturecollections.org.uk page load time and found that the first response time was 534 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
phe-culturecollections.org.uk performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value7.7 s
3/100
25%
Value9.4 s
12/100
10%
Value140 ms
95/100
30%
Value0
100/100
15%
Value10.0 s
26/100
10%
534 ms
244 ms
256 ms
326 ms
191 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 86% of them (37 requests) were addressed to the original Phe-culturecollections.org.uk, 5% (2 requests) were made to Ajax.googleapis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Phe-culturecollections.org.uk.
Page size can be reduced by 491.9 kB (52%)
939.5 kB
447.5 kB
In fact, the total size of Phe-culturecollections.org.uk main page is 939.5 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 379.4 kB which makes up the majority of the site volume.
Potential reduce by 15.6 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 2.4 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 15.6 kB or 73% of the original size.
Potential reduce by 71.8 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. Obviously, Phe Culture Collections needs image optimization as it can save up to 71.8 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 215.2 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 215.2 kB or 69% of the original size.
Potential reduce by 189.4 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. Phe-culturecollections.org.uk needs all CSS files to be minified and compressed as it can save up to 189.4 kB or 84% of the original size.
Number of requests can be reduced by 19 (45%)
42
23
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Phe Culture Collections. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.phe-culturecollections.org.uk
534 ms
bootstrap.min.css
244 ms
bootstrap-responsive.min.css
256 ms
custom.css
326 ms
bootstrap-responsive-custom.css
191 ms
jquery-ui.css
266 ms
autocomplete.css
179 ms
sliderkit-core.css
263 ms
jquery.min.js
31 ms
jquery-ui.min.js
55 ms
jquery.validate.min.js
395 ms
jquery.validate.unobtrusive.min.js
393 ms
bootstrap.min.js
408 ms
additional-methods.js
422 ms
respond.min.js
394 ms
modernizr-2.5.3-min.js
1232 ms
jquery.cookie.js
413 ms
ajaxupload.js
439 ms
sa.js
440 ms
jquery.sliderkit.1.9.2.pack.js
428 ms
survey-prompts.js
81 ms
usersymbol.png
138 ms
phe_logo.png
140 ms
shopcart.png
166 ms
aedes-mosquito-on-skin-homepage.jpg
240 ms
staphylococcal-disease-homepage.png
631 ms
zika-growing-homepage.jpg
318 ms
holboxtop.png
176 ms
nctc-scientist.png
288 ms
ecacc-icon-resized.jpg
257 ms
nctc-icon-resized.jpg
272 ms
ncpv-icon-resized.jpg
358 ms
ncpf-icon-resized.jpg
360 ms
uparrowv2.png
331 ms
ga.js
28 ms
139 ms
UserSession.do
323 ms
ui-bg_flat_75_ffffff_40x100.png
265 ms
slideback.png
624 ms
newslider-arrow.png
624 ms
__utm.gif
18 ms
ui-icons_222222_256x240.png
89 ms
ui-bg_flat_0_aaaaaa_40x100.png
83 ms
phe-culturecollections.org.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
Links do not have a discernible name
phe-culturecollections.org.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
phe-culturecollections.org.uk 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
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Phe-culturecollections.org.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 Phe-culturecollections.org.uk 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.
phe-culturecollections.org.uk
Open Graph description is not detected on the main page of Phe Culture Collections. 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: