3.7 sec in total
231 ms
3 sec
467 ms
Welcome to supermarket.co.uk homepage info - get ready to check Supermarket best content for United Kingdom right away, or after learning these important things about supermarket.co.uk
Supermarket UK offers help & advice on saving money on food,travel, energy, broadband, finance & Insurance. Browse the latest food offers from supemarkets.
Visit supermarket.co.ukWe analyzed Supermarket.co.uk page load time and found that the first response time was 231 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
supermarket.co.uk performance score
name
value
score
weighting
Value9.5 s
0/100
10%
Value21.0 s
0/100
25%
Value33.7 s
0/100
10%
Value26,100 ms
0/100
30%
Value0.04
99/100
15%
Value41.2 s
0/100
10%
231 ms
593 ms
171 ms
267 ms
669 ms
Our browser made a total of 213 requests to load all elements on the main page. We found that 47% of them (100 requests) were addressed to the original Supermarket.co.uk, 6% (13 requests) were made to Dsum.casalemedia.com and 6% (12 requests) were made to Delivery.platform.switchads.com. The less responsive or slowest element that took the longest time to load (669 ms) belongs to the original domain Supermarket.co.uk.
Page size can be reduced by 438.4 kB (64%)
688.8 kB
250.4 kB
In fact, the total size of Supermarket.co.uk main page is 688.8 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. 50% of websites need less resources to load. Javascripts take 254.7 kB which makes up the majority of the site volume.
Potential reduce by 59.1 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 9.4 kB, which is 13% 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 59.1 kB or 79% of the original size.
Potential reduce by 106.2 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, Supermarket needs image optimization as it can save up to 106.2 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 165.3 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 165.3 kB or 65% of the original size.
Potential reduce by 107.7 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. Supermarket.co.uk needs all CSS files to be minified and compressed as it can save up to 107.7 kB or 85% of the original size.
Number of requests can be reduced by 114 (59%)
194
80
The browser has sent 194 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supermarket. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
supermarket.co.uk
231 ms
www.supermarket.co.uk
593 ms
home.css
171 ms
vchp.css
267 ms
template.css
669 ms
menu.css
272 ms
common.js
285 ms
jquery.min.js
41 ms
jquery.hoverIntent.minified.js
255 ms
jquerymenu.js
338 ms
ticker.js
356 ms
tag.php
328 ms
brand
13 ms
brand
50 ms
tag.php
184 ms
show_ads.js
5 ms
tag.php
179 ms
choixPubJS.htm
75 ms
ga.js
23 ms
bg.jpg
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supermarket-logo.jpg
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aldi.gif
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asda.gif
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coop.gif
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iceland.gif
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lidl.gif
169 ms
mands.gif
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morrisons.gif
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netto.gif
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sainsburys.gif
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tesco.gif
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waitrose.gif
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button.jpg
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login.jpg
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register.jpg
285 ms
petrol.gif
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vouchers.gif
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free.gif
366 ms
signup.gif
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next.gif
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breaking-r.gif
380 ms
top-w.gif
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news1.gif
463 ms
news2.gif
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news3.gif
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iguide.gif
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fruit.gif
475 ms
mini.gif
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cash.gif
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join.gif
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twitter.png
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facebook.png
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logo_260.gif
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ajs.php
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generic
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sync_simple.php
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beacon.js
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menu-bg.gif
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current-bg.gif
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sub_bg.png
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home.jpg
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dealoftheday-black.gif
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go-btn-pink.gif
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plus.gif
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generic
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info.php
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google_custom_search_watermark.gif
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ajs.php
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info.php
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world.jpg
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petrol.jpg
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ff5.jpg
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usermatch
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usermatch
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pixel
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Vuopa8AoJVgAAFtifIAAAAC3%26629
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casaleopenrtb
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usersync.aspx
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info.php
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crum
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sync_simple.php
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implement-r.js
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a73d446f0394726cb0104f432d1fbbc3.gif
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info.php
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pixel
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pixel.js
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pixel
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bgfree2.gif
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bs5.jpg
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bs4.jpg
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travel.jpg
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car.jpg
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crum
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all.js
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bs1.jpg
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ins5.jpg
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ins12.jpg
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col1.jpg
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crum
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ca-pub-0889711162937032.js
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zrt_lookup.html
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show_ads_impl.js
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crum
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pixel
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bgbottom.jpg
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col2.jpg
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1b.gif
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ajs.php
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4b.gif
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ads
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likebox.php
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osd.js
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ads
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usermatch
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casale
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pixel.htm
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info.php
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xd_arbiter.php
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ddc.htm
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10b.gif
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col3.jpg
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electronics.jpg
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competitions.jpg
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holidays.jpg
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computers.jpg
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crum
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388 ms
statistics.asp
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track.js
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ebzformats.css
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ebzformats.js
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p
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info.php
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phones.jpg
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shop.jpg
583 ms
consoles.jpg
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cds.jpg
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toys.jpg
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flowers.jpg
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m_js_controller.js
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abg.js
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like_box.php
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favicon
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googlelogo_color_112x36dp.png
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nessie_icon_tiamat_white.png
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x_button_blue2.png
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energy.gif
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bottomrightbag.jpg
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Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js
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hDvwL1_H7g-.css
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udqjbTyb5Ue.css
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q68gy-v_YMF.js
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FJmpeSpHpjS.js
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1bNoFZUdlYZ.js
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favicon
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usersync.html
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push
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track-visibility.aspx
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usersync.html
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dsy.php
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usersync.html
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dsy.php
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dsy.php
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supermarket.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
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
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
Links do not have a discernible name
supermarket.co.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
supermarket.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
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 Supermarket.co.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 Supermarket.co.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.
supermarket.co.uk
Open Graph description is not detected on the main page of Supermarket. 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: