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secure.tesco.ie screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

secure.tesco.ie

Tesco.ie - online shopping; bringing the supermarket to you.

Page Load Speed

3.4 sec in total

First Response

737 ms

Resources Loaded

2.3 sec

Page Rendered

369 ms

secure.tesco.ie screenshot

About Website

Visit secure.tesco.ie now to see the best up-to-date Secure Tesco content for Ireland and also check out these interesting facts you probably never knew about secure.tesco.ie

Home shopping for less with Tesco.ie. Everything you will find in the supermarket and much more. Every Little Helps.

Visit secure.tesco.ie

Key Findings

We analyzed Secure.tesco.ie page load time and found that the first response time was 737 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

secure.tesco.ie performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value12,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value17.2 s

4/100

10%

Network Requests Diagram

www.tesco.ie

737 ms

294dacb1

54 ms

2226-IEHP-Carousel-730x380-Delivery-saver.jpeg

835 ms

page.js

18 ms

_app.js

29 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Secure.tesco.ie, 48% (11 requests) were made to Digitalcontent.api.tesco.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Digitalcontent.api.tesco.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 328.8 kB (20%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Secure.tesco.ie main page is 1.6 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. 75% 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 310.4 kB

  • Original 384.0 kB
  • After minification 384.0 kB
  • After compression 73.7 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 310.4 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 18.4 kB

  • Original 1.2 MB
  • After minification 1.2 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. Secure Tesco images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 74.9 kB
  • After minification 74.9 kB
  • After compression 74.9 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.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • Images
  • JavaScript

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Secure Tesco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.tesco.ie

www.tesco.ie

737 ms

294dacb1

294dacb1

54 ms

2226-IEHP-Carousel-730x380-Delivery-saver.jpeg

2226-IEHP-Carousel-730x380-Delivery-saver.jpeg

835 ms

page.js

page.js

18 ms

_app.js

_app.js

29 ms

webpack-a79426b5e11f0ba5879d.js

webpack-a79426b5e11f0ba5879d.js

27 ms

commons.1c1561673dd024d7939f.js

commons.1c1561673dd024d7939f.js

533 ms

main-5aecb65a343081dc0950.js

main-5aecb65a343081dc0950.js

528 ms

Wp6bBEB

Wp6bBEB

41 ms

2231-ROI-IE-Carousel-ClubcardPrices.jpeg

2231-ROI-IE-Carousel-ClubcardPrices.jpeg

816 ms

2231-ROI-IE-Carousel-ToySale-Lifestyle.jpeg

2231-ROI-IE-Carousel-ToySale-Lifestyle.jpeg

818 ms

2209-IE-FIbanner-650x158-CCP.jpeg

2209-IE-FIbanner-650x158-CCP.jpeg

816 ms

2230-IEHP-stamp-604x340-GetBaking.jpeg

2230-IEHP-stamp-604x340-GetBaking.jpeg

815 ms

2230-IEHP-stamp-604x340-Christmas.jpeg

2230-IEHP-stamp-604x340-Christmas.jpeg

822 ms

2226-604x340-ROI-GreatTaste.jpeg

2226-604x340-ROI-GreatTaste.jpeg

821 ms

2202-ROI-DotIE-Stamp-CommunityFund.jpeg

2202-ROI-DotIE-Stamp-CommunityFund.jpeg

818 ms

2250-IEHP-Stamp-604x340-Delivery65s.jpeg

2250-IEHP-Stamp-604x340-Delivery65s.jpeg

819 ms

2230-IEHP-stamp-604x340-FF.jpeg

2230-IEHP-stamp-604x340-FF.jpeg

1014 ms

2132-ROI-dotIE-Stamp-FFclothing-logo.png

2132-ROI-dotIE-Stamp-FFclothing-logo.png

818 ms

TESCOModern-Regular.woff

TESCOModern-Regular.woff

525 ms

TESCOModern-Bold.woff

TESCOModern-Bold.woff

520 ms

TESCOModern-Italic.woff

TESCOModern-Italic.woff

213 ms

TESCOModern-BoldItalic.woff

TESCOModern-BoldItalic.woff

193 ms

Accessibility Review

secure.tesco.ie accessibility score

92

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Best Practices

secure.tesco.ie 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

High

Missing source maps for large first-party JavaScript

SEO Factors

secure.tesco.ie SEO score

79

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Secure.tesco.ie 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 Secure.tesco.ie 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

secure.tesco.ie

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