Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

dietchef.co.uk

Lose weight with great food delivered | Diet Chef

Page Load Speed

2.1 sec in total

First Response

175 ms

Resources Loaded

1.5 sec

Page Rendered

374 ms

About Website

Welcome to dietchef.co.uk homepage info - get ready to check Diet Chef best content for United Kingdom right away, or after learning these important things about dietchef.co.uk

Want to lose weight? It's simple with Diet Chef - We give you breakfast, lunch, dinner and a snack for each day. So you just tuck in and enjoy.

Visit dietchef.co.uk

Key Findings

We analyzed Dietchef.co.uk page load time and found that the first response time was 175 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dietchef.co.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.609

10/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

dietchef.co.uk

175 ms

www.dietchef.co.uk

369 ms

38bde8ea349637d06117a4df22250670.js

186 ms

main.css

212 ms

design_overrides.css

209 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 71% of them (30 requests) were addressed to the original Dietchef.co.uk, 7% (3 requests) were made to Googletagmanager.com and 2% (1 request) were made to Try.abtasty.com. The less responsive or slowest element that took the longest time to load (635 ms) belongs to the original domain Dietchef.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.7 kB (5%)

Content Size

977.6 kB

After Optimization

926.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dietchef.co.uk main page is 977.6 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. 55% of websites need less resources to load. Images take 807.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 28.1 kB

  • Original 36.1 kB
  • After minification 30.2 kB
  • After compression 8.0 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 5.8 kB, which is 16% 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 28.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 147 B

  • Original 807.5 kB
  • After minification 807.3 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. Diet Chef images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.6 kB

  • Original 54.9 kB
  • After minification 54.9 kB
  • After compression 53.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-26%

Potential reduce by 20.9 kB

  • Original 79.2 kB
  • After minification 79.2 kB
  • After compression 58.3 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. Dietchef.co.uk needs all CSS files to be minified and compressed as it can save up to 20.9 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (34%)

Requests Now

35

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Diet Chef. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dietchef.co.uk accessibility score

78

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

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

dietchef.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

High

Page has valid source maps

SEO Factors

dietchef.co.uk SEO score

92

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

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

High

Document uses legible font sizes

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 Dietchef.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 Dietchef.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

Open Graph description is not detected on the main page of Diet Chef. 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: