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Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

giffgaffdelivery.com

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Page Load Speed

7.2 sec in total

First Response

348 ms

Resources Loaded

6.7 sec

Page Rendered

147 ms

About Website

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Key Findings

We analyzed Giffgaffdelivery.com page load time and found that the first response time was 348 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

giffgaffdelivery.com performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

giffgaffdelivery.com

348 ms

giffgaffdelivery.com

4050 ms

cookieblocker.min.css

22 ms

beebc10821b7af1be2410bed27402387.min.css

1017 ms

jquery.min.js

52 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 87% of them (83 requests) were addressed to the original Giffgaffdelivery.com, 5% (5 requests) were made to Gstatic.com and 4% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Giffgaffdelivery.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.5 kB (28%)

Content Size

529.8 kB

After Optimization

380.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Giffgaffdelivery.com main page is 529.8 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. 65% of websites need less resources to load. Javascripts take 225.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 139.9 kB

  • Original 164.7 kB
  • After minification 164.7 kB
  • After compression 24.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 139.9 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 8.4 kB

  • Original 114.7 kB
  • After minification 106.3 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. Giffgaff Delivery images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 225.8 kB
  • After minification 225.8 kB
  • After compression 224.6 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

-0%

Potential reduce by 0 B

  • Original 24.6 kB
  • After minification 24.6 kB
  • After compression 24.6 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. Giffgaffdelivery.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 71 (82%)

Requests Now

87

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Giffgaff Delivery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 69 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

giffgaffdelivery.com accessibility score

95

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

giffgaffdelivery.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

giffgaffdelivery.com SEO score

98

Search Engine Optimization Advices

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 Giffgaffdelivery.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 Giffgaffdelivery.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

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