10.9 sec in total
373 ms
9.1 sec
1.4 sec
Visit scienceclinic.co.uk now to see the best up-to-date Science Clinic content and also check out these interesting facts you probably never knew about scienceclinic.co.uk
Visit scienceclinic.co.ukWe analyzed Scienceclinic.co.uk page load time and found that the first response time was 373 ms and then it took 10.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
scienceclinic.co.uk performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value23.3 s
0/100
25%
Value34.0 s
0/100
10%
Value810 ms
36/100
30%
Value0.259
47/100
15%
Value40.1 s
0/100
10%
373 ms
1145 ms
29 ms
317 ms
439 ms
Our browser made a total of 155 requests to load all elements on the main page. We found that 98% of them (152 requests) were addressed to the original Scienceclinic.co.uk, 1% (2 requests) were made to Bark.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (7.1 sec) belongs to the original domain Scienceclinic.co.uk.
Page size can be reduced by 4.6 MB (17%)
26.5 MB
21.9 MB
In fact, the total size of Scienceclinic.co.uk main page is 26.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 25.0 MB which makes up the majority of the site volume.
Potential reduce by 183.1 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 91.0 kB, which is 46% 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 183.1 kB or 94% of the original size.
Potential reduce by 3.4 MB
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, Science Clinic needs image optimization as it can save up to 3.4 MB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 439.3 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 439.3 kB or 73% of the original size.
Potential reduce by 609.7 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. Scienceclinic.co.uk needs all CSS files to be minified and compressed as it can save up to 609.7 kB or 88% of the original size.
Number of requests can be reduced by 44 (30%)
148
104
The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Clinic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.
scienceclinic.co.uk
373 ms
scienceclinic.co.uk
1145 ms
css
29 ms
color-switcher.css
317 ms
font-awesome.min.css
439 ms
material-design-iconic-font.min.css
551 ms
bootstrap.min.css
713 ms
bootstrap-select.min.css
324 ms
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598 ms
main.css
826 ms
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436 ms
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555 ms
responsive.css
627 ms
jquery-confirm.min.css
674 ms
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1061 ms
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jquery-1.12.4.min.js
1534 ms
popper.min.js
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ajax-mail.js
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plugins.js
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styleswitch.js
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scienceclinic.co.uk accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
scienceclinic.co.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
scienceclinic.co.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scienceclinic.co.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 Scienceclinic.co.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.
scienceclinic.co.uk
Open Graph description is not detected on the main page of Science Clinic. 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: