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Report Summary

About Website

Welcome to sainsburys.knoji.com homepage info - get ready to check Sainsbury S Knoji best content for United States right away, or after learning these important things about sainsburys.knoji.com

Sainsbury's reviews and Sainsburys.co.uk customer ratings for September 2023. Sainsbury's is a very popular grocery delivery service which competes against other grocery delivery services like Instaca...

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value7.5 s

48/100

10%

sainsburys.knoji.com

238 ms

fontawesome_css_all.min-br.css

80 ms

knoji-css.min.css

108 ms

common.css

103 ms

css

82 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Sainsburys.knoji.com, 39% (11 requests) were made to Knoji.com and 18% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (238 ms) belongs to the original domain Sainsburys.knoji.com.

Content Size

207.4 kB

After Optimization

86.6 kB

In fact, the total size of Sainsburys.knoji.com main page is 207.4 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. HTML takes 140.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 118.5 kB

Original 140.0 kB
After minification 121.5 kB
After compression 21.5 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 18.5 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 118.5 kB or 85% of the original size.

Image Optimization

-23%

Potential reduce by 200 B

Original 868 B
After minification 668 B

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, Sainsbury S Knoji needs image optimization as it can save up to 200 B or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 97 B

Original 23.7 kB
After minification 23.7 kB
After compression 23.7 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.

CSS Optimization

-5%

Potential reduce by 2.0 kB

Original 42.9 kB
After minification 42.9 kB
After compression 40.9 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. Sainsburys.knoji.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sainsbury S Knoji. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

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 Sainsburys.knoji.com 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 Sainsburys.knoji.com 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

sainsburys.knoji.com

Open Graph data is detected on the main page of Sainsbury S Knoji. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Sainsbury's Review | Sainsburys.co.uk Ratings & Customer Reviews – Sep '23

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)