Access itesco.cz. Tesco Supermarkety | Clubcard, Letáky & Recepty

Report Summary

About Website

Visit itesco.cz now to see the best up-to-date I Tesco content for Czech Republic and also check out these interesting facts you probably never knew about itesco.cz

Prolistujte si aktuální letáky Tesco, získejte skvělé slevy s Clubcard, objevte chutné recepty anebo vyřiďte svůj nákup online hned teď. Těšíme se na vás!

Visit itesco.cz

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value4,490 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

itesco.cz

423 ms

itesco.cz

444 ms

gtm.js

73 ms

63092.css

144 ms

63092.css

451 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 90% of them (70 requests) were addressed to the original Itesco.cz, 4% (3 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Itesco.cz.

Content Size

1.5 MB

After Optimization

564.4 kB

In fact, the total size of Itesco.cz main page is 1.5 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. 45% of websites need less resources to load. Javascripts take 883.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 325.8 kB

Original 375.3 kB
After minification 369.5 kB
After compression 49.5 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. 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 325.8 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 22.1 kB

Original 223.4 kB
After minification 201.3 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. I Tesco images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 571.3 kB

Original 883.6 kB
After minification 883.6 kB
After compression 312.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 571.3 kB or 65% of the original size.

CSS Optimization

-75%

Potential reduce by 4.0 kB

Original 5.3 kB
After minification 4.0 kB
After compression 1.3 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. Itesco.cz needs all CSS files to be minified and compressed as it can save up to 4.0 kB or 75% of the original size.

Requests Now

After Optimization

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I 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 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

Search Engine Optimization Advices

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

High

Links are not crawlable

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

Language and Encoding

Language Detected

CS
Language Claimed

CS
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itesco.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Itesco.cz 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

itesco.cz

Open Graph data is detected on the main page of I Tesco. 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

Tesco Supermarkety | Clubcard, Letáky & Recepty | Tesco

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)

Network Requests Diagram

itesco.cz

itesco.cz

gtm.js

63092.css

63092.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

itesco.cz

itesco.cz

gtm.js

63092.css

63092.css

36e7257b0467206d440e9c4ed3e2ae44.css

polyfill.min.js

iframe_api

a5c2747b17a1d8fb4d0e2611c56f4a95.js

old_browser_popup.css

old_browser_popup.js

loading_spinner.css

loading_spinner.js

landing

js

js

www-widgetapi.js

TES_LOGO_REDBLUE_CMYK.svg

HP_Banner_1_Hockey_Scratch_Cards.jpg

HP_Banner_1_Desktop_Hockey_KTD_IIHF.jpg

HP_Banner_2A_Mobile_Vikendova.jpg

HP_Banner_2A_Desktop_Vikendova.jpg

HP_Banner_3_Mobile_Mothers.jpg

HP_Banner_3_Desktop_Mothers.jpg

HP_Banner_4_Mobile_KTD_s_APP.jpg

HP_Banner_4_Desktop_KTD_s_APP.jpg

HP_Banner_5_Mobile_FF_25.jpg

HP_Banner_5_Desktop_FF_25.jpg

HP_Banner_6_Mobile_Cleaning.jpg

HP_Banner_6_Desktop_Cleaning_v2.jpg

HP_Banner_7_Mobile_GHS.jpg

HP_Banner_7_Desktop_GHS.jpg

zott-jogobella-2001000125302-1-5k.png

hame-pastika-2001005125802-1-5k.png

bohemia-chips-2005105009760-1-5k.png

vsechen-detsky-bytovy-textil-2005100842322-1-5k.png

sedlcansky-hermelin-2001000131136-1-5k.png

trvanlive-mleko-2001011037571-1-5k.png

magnesia-2001016373513-1-5k.png

czech.svg

tesco-mouka-2001120849737-1-5k.png

sunol-slunecnicovy-olej-2001019141393-1-5k.png

banany-2001012690126-1-5k.png