3.5 sec in total
166 ms
2.4 sec
964 ms
Welcome to analab.co.uk homepage info - get ready to check Ana Lab best content right away, or after learning these important things about analab.co.uk
SLS are the UK's largest independent supplier of chemicals, laboratory equipment and consumables. View our extensive range of products and shop online securely.
Visit analab.co.ukWe analyzed Analab.co.uk page load time and found that the first response time was 166 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
analab.co.uk performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value11.6 s
0/100
25%
Value9.5 s
11/100
10%
Value1,000 ms
27/100
30%
Value1.025
2/100
15%
Value16.7 s
5/100
10%
166 ms
829 ms
52 ms
361 ms
653 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Analab.co.uk, 80% (56 requests) were made to Scientificlabs.co.uk and 4% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (829 ms) relates to the external source Scientificlabs.co.uk.
Page size can be reduced by 196.9 kB (20%)
1.0 MB
808.1 kB
In fact, the total size of Analab.co.uk main page is 1.0 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. 60% of websites need less resources to load. Images take 555.6 kB which makes up the majority of the site volume.
Potential reduce by 160.3 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 28.6 kB, which is 15% 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 160.3 kB or 83% of the original size.
Potential reduce by 26.5 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. Ana Lab images are well optimized though.
Potential reduce by 5.5 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. This website has mostly compressed JavaScripts.
Potential reduce by 4.6 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. Analab.co.uk has all CSS files already compressed.
Number of requests can be reduced by 21 (34%)
62
41
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ana Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
analab.co.uk
166 ms
www.scientificlabs.co.uk
829 ms
gtm.js
52 ms
fontawesome53f5fa4529.js
361 ms
jquery.min.js
653 ms
foundation.min.js
722 ms
foundation.min.css
551 ms
bundle.min.css
790 ms
jquery.modal.min.js
487 ms
jquery.lazy.min.js
493 ms
addressControlScripts.js
594 ms
mainbundle.min.js
785 ms
js
89 ms
WebResource.axd
536 ms
ScriptResource.axd
579 ms
ScriptResource.axd
612 ms
js
658 ms
js
65 ms
224 ms
224 ms
hotjar-3661807.js
232 ms
app.js
617 ms
analytics.js
54 ms
homepage_options_default_placeholder.png
116 ms
homepage_options_placeholders.png
115 ms
images.ashx
169 ms
images.ashx
116 ms
images.ashx
116 ms
images.ashx
114 ms
images.ashx
170 ms
images.ashx
171 ms
images.ashx
171 ms
images.ashx
169 ms
SLSIconNewCyan.jpg
171 ms
icon-service-652.jpg
255 ms
icon-case-652.jpg
254 ms
icon-sustainability-652.jpg
254 ms
icon-international-652.jpg
254 ms
icon-employment-652.jpg
254 ms
featured_promotions_placeholder.png
254 ms
key_suppliers_placeholder.png
317 ms
roboto-regular-webfont.woff
298 ms
js
47 ms
logo-lg.gif
253 ms
trolly-sm.gif
252 ms
magnify.png
275 ms
din-regular-webfont.woff
227 ms
promo-left-btn-blue.png
302 ms
promo-right-btn-blue.png
304 ms
call-out__left.svg
304 ms
call-out__right.svg
306 ms
SLS-Testimonials-Strip.jpg
382 ms
left-quote.png
308 ms
right-quote.png
381 ms
back-to-top.png
314 ms
footer-logo.gif
315 ms
icon-fb.jpg
316 ms
icon-tw.jpg
317 ms
icon-in.png
390 ms
icon-yt.png
391 ms
icon-ot.png
392 ms
w.js
80 ms
fbevents.js
51 ms
218824.js
92 ms
collect
37 ms
din-pro.otf
310 ms
roboto-medium-webfont.woff
327 ms
din-pro-medium.otf
328 ms
roboto-bold-webfont.woff
387 ms
collect
32 ms
analab.co.uk accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
ARIA toggle fields do not have accessible names
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
analab.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
analab.co.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
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 doesn't use legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Analab.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 Analab.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.
analab.co.uk
Open Graph data is detected on the main page of Ana Lab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: