Tools & Wizards About Us
wastelesssavemore.sainsburys.co.uk screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

wastelesssavemore.sainsburys.co.uk

Waste less, Save more | Live Well For Less at Sainsbury's

Page Load Speed

3.3 sec in total

First Response

166 ms

Resources Loaded

1.9 sec

Page Rendered

1.3 sec

wastelesssavemore.sainsburys.co.uk screenshot

About Website

Visit wastelesssavemore.sainsburys.co.uk now to see the best up-to-date Waste Less Save More Sainsbury S content for United Kingdom and also check out these interesting facts you probably never knew about wastelesssavemore.sainsburys.co.uk

Sainsbury's is sharing great tips on how to make your food last longer. Find out more about Waste less, Save more today

Visit wastelesssavemore.sainsburys.co.uk

Key Findings

We analyzed Wastelesssavemore.sainsburys.co.uk page load time and found that the first response time was 166 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

wastelesssavemore.sainsburys.co.uk performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

wastelesssavemore.sainsburys.co.uk

166 ms

waste

166 ms

food-waste

136 ms

food-waste

477 ms

jquery.min.js

33 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Wastelesssavemore.sainsburys.co.uk, 52% (33 requests) were made to About.sainsburys.co.uk and 23% (15 requests) were made to Viz.tools.investis.com. The less responsive or slowest element that took the longest time to load (498 ms) relates to the external source Viz.tools.investis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (6%)

Content Size

18.5 MB

After Optimization

17.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wastelesssavemore.sainsburys.co.uk main page is 18.5 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 18.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 95.7 kB

  • Original 112.1 kB
  • After minification 87.5 kB
  • After compression 16.3 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 24.5 kB, which is 22% 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 95.7 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 790.9 kB

  • Original 18.1 MB
  • After minification 17.3 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. Waste Less Save More Sainsbury S images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 142.1 kB

  • Original 296.1 kB
  • After minification 269.0 kB
  • After compression 154.0 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 142.1 kB or 48% of the original size.

CSS Optimization

-87%

Potential reduce by 32.2 kB

  • Original 36.8 kB
  • After minification 24.3 kB
  • After compression 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. Wastelesssavemore.sainsburys.co.uk needs all CSS files to be minified and compressed as it can save up to 32.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (54%)

Requests Now

50

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Waste Less Save More Sainsbury S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wastelesssavemore.sainsburys.co.uk

wastelesssavemore.sainsburys.co.uk

166 ms

waste

waste

166 ms

food-waste

food-waste

136 ms

food-waste

food-waste

477 ms

jquery.min.js

jquery.min.js

33 ms

jquery-ui.min.js

jquery-ui.min.js

42 ms

slick.js

slick.js

19 ms

magnific-popup.js

magnific-popup.js

28 ms

ResourceHandlermergeall.css

ResourceHandlermergeall.css

72 ms

all.min.css

all.min.css

41 ms

videoMainConfig.js

videoMainConfig.js

315 ms

ResourceHandlermerge.js

ResourceHandlermerge.js

70 ms

rwdimagemap.js

rwdimagemap.js

104 ms

ticker_header.aspx

ticker_header.aspx

320 ms

Copy%20of%20sainsburys-home-logo.png

Copy%20of%20sainsburys-home-logo.png

18 ms

argos.jpg

argos.jpg

17 ms

tu.jpg

tu.jpg

29 ms

Copy%20of%20sainsbury.jpg

Copy%20of%20sainsbury.jpg

63 ms

habitat-logo-black-1.png

habitat-logo-black-1.png

16 ms

sainsburys-logo-v2.png

sainsburys-logo-v2.png

36 ms

sainsbury.jpg

sainsbury.jpg

28 ms

sainsbury-bank.jpg

sainsbury-bank.jpg

27 ms

habitat.jpg

habitat.jpg

27 ms

GOL%20banner%201.jpg

GOL%20banner%201.jpg

63 ms

sdg-food-west.png

sdg-food-west.png

59 ms

food-waste.png

food-waste.png

43 ms

DRB002170.jpg

DRB002170.jpg

301 ms

Hens%20from%20The%20Lakes%20Free%20Range%20Egg%20Company_resized.jpg

Hens%20from%20The%20Lakes%20Free%20Range%20Egg%20Company_resized.jpg

112 ms

Hens%20from%20The%20Lakes%20Free%20Range%20Egg%20Company_resized.jpg

Hens%20from%20The%20Lakes%20Free%20Range%20Egg%20Company_resized.jpg

66 ms

Amended-Interior-fINAL.png

Amended-Interior-fINAL.png

112 ms

Copy%20of%20food%20waste.png

Copy%20of%20food%20waste.png

301 ms

ArtieBirt-%20N%20Ireland%20027.jpg

ArtieBirt-%20N%20Ireland%20027.jpg

295 ms

app-store.png

app-store.png

80 ms

google-play.png

google-play.png

94 ms

globalScripts.js

globalScripts.js

81 ms

mary_ann_web-regular-woff.woff

mary_ann_web-regular-woff.woff

18 ms

mary_ann_web-medium-woff.woff

mary_ann_web-medium-woff.woff

17 ms

mary_ann_web-extrabold-woff.woff

mary_ann_web-extrabold-woff.woff

83 ms

icomoon.ttf

icomoon.ttf

85 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

17 ms

fa-regular-400.ttf

fa-regular-400.ttf

27 ms

fa-brands-400.ttf

fa-brands-400.ttf

32 ms

fa-solid-900.ttf

fa-solid-900.ttf

45 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

29 ms

WebResource.axd

WebResource.axd

40 ms

ScriptResource.axd

ScriptResource.axd

40 ms

ScriptResource.axd

ScriptResource.axd

39 ms

iframeResizer_child_v2.js

iframeResizer_child_v2.js

38 ms

videoPlayer.css

videoPlayer.css

73 ms

matchMedia.js

matchMedia.js

75 ms

jquery.deviceDetection.js

jquery.deviceDetection.js

165 ms

ga.js

ga.js

74 ms

jquery.gaCode.js

jquery.gaCode.js

72 ms

jquery.readXMLFile.js

jquery.readXMLFile.js

73 ms

imagesloaded.min.js

imagesloaded.min.js

467 ms

jquery.videoCode.js

jquery.videoCode.js

83 ms

jquery.brightcoveData.js

jquery.brightcoveData.js

82 ms

jquery.videoDataCtrl.js

jquery.videoDataCtrl.js

100 ms

googlemap.css

googlemap.css

92 ms

infobubble.js

infobubble.js

286 ms

jquery.mapCode.js

jquery.mapCode.js

498 ms

ResourceHandlermergeprint.css

ResourceHandlermergeprint.css

14 ms

mary_ann_web-regular-woff.woff

mary_ann_web-regular-woff.woff

59 ms

mary_ann_web-extrabold-woff.woff

mary_ann_web-extrabold-woff.woff

13 ms

Accessibility Review

wastelesssavemore.sainsburys.co.uk accessibility score

79

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

wastelesssavemore.sainsburys.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

wastelesssavemore.sainsburys.co.uk SEO score

77

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wastelesssavemore.sainsburys.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 Wastelesssavemore.sainsburys.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.

Social Sharing Optimization

wastelesssavemore.sainsburys.co.uk

Open Graph description is not detected on the main page of Waste Less Save More Sainsbury S. 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: