26.9 sec in total
489 ms
23.7 sec
2.8 sec
Click here to check amazing Tesco Shopy content for Czech Republic. Otherwise, check out these important facts you probably never knew about tesco.shopy.cz
TESCO - aktu?ln? let?k na tento t?den - Ak?n? ceny, ak?n? let?ky, ak?n? nab?dky, akce, slevy, v?prodej, nab?dkov? let?ky - iTesco.cz
Visit tesco.shopy.czWe analyzed Tesco.shopy.cz page load time and found that the first response time was 489 ms and then it took 26.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
tesco.shopy.cz performance score
name
value
score
weighting
Value1.8 s
90/100
10%
Value1.8 s
98/100
25%
Value5.2 s
60/100
10%
Value10,510 ms
0/100
30%
Value0
100/100
15%
Value16.4 s
5/100
10%
489 ms
247 ms
347 ms
206 ms
117 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Tesco.shopy.cz, 29% (23 requests) were made to Shopy.cz and 12% (9 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Toplist.cz.
Page size can be reduced by 79.9 kB (21%)
381.2 kB
301.3 kB
In fact, the total size of Tesco.shopy.cz main page is 381.2 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. Images take 157.3 kB which makes up the majority of the site volume.
Potential reduce by 42.0 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. 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 42.0 kB or 80% of the original size.
Potential reduce by 5.1 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. Tesco Shopy images are well optimized though.
Potential reduce by 4.2 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.
Potential reduce by 28.6 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. Tesco.shopy.cz needs all CSS files to be minified and compressed as it can save up to 28.6 kB or 86% of the original size.
Number of requests can be reduced by 39 (60%)
65
26
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tesco Shopy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
{{url}}
{{time}} ms
tesco.shopy.cz accessibility score
ARIA
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.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
tesco.shopy.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
tesco.shopy.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
CS
CS
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tesco.shopy.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 Tesco.shopy.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
{{og_description}}
tesco.shopy.cz
Open Graph description is not detected on the main page of Tesco Shopy. 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: