2.8 sec in total
550 ms
1.9 sec
338 ms
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Visit betfair.czWe analyzed Betfair.cz page load time and found that the first response time was 550 ms and then it took 2.2 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.
betfair.cz performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value8.3 s
2/100
25%
Value8.2 s
20/100
10%
Value2,040 ms
7/100
30%
Value0.051
99/100
15%
Value8.9 s
35/100
10%
550 ms
338 ms
121 ms
44 ms
335 ms
Our browser made a total of 29 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Betfair.cz, 14% (4 requests) were made to Cache.cdnbf.net and 10% (3 requests) were made to Ssc.cdnbf.net. The less responsive or slowest element that took the longest time to load (550 ms) relates to the external source Betfair.com.
Page size can be reduced by 244.4 kB (45%)
544.5 kB
300.1 kB
In fact, the total size of Betfair.cz main page is 544.5 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. 50% of websites need less resources to load. Javascripts take 226.5 kB which makes up the majority of the site volume.
Potential reduce by 78.1 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 78.1 kB or 77% of the original size.
Potential reduce by 12.9 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. Betfair images are well optimized though.
Potential reduce by 153.3 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 153.3 kB or 68% of the original size.
Number of requests can be reduced by 11 (41%)
27
16
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Betfair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.
us
550 ms
all-bb3c2d94610159298c2a2512141b5661.css
338 ms
all_249_.css
121 ms
opentag-130791-1930829.js
44 ms
snare.js
335 ms
smartserve-4029.js
51 ms
all-4baddeeecffa332cd18b65f14c063b5.js
317 ms
all_249_.js
242 ms
all_249_.js
267 ms
t2
485 ms
ns
409 ms
analytics.js
67 ms
gtm.js
152 ms
ssc-sprite.png
56 ms
logo.js
136 ms
sbw_navigation_6380.png
210 ms
491 ms
generic-light.jpg
172 ms
ssc-logos-sprite-com-v6.png
191 ms
linkid.js
53 ms
fbevents.js
109 ms
collect
21 ms
collect
6 ms
collect
57 ms
23 ms
collect
5 ms
t2
204 ms
general.js
122 ms
betfair_img.jpg
42 ms
betfair.cz accessibility score
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 valid value for its [lang] attribute.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
betfair.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
betfair.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Betfair.cz 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 Betfair.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.
betfair.cz
Open Graph description is not detected on the main page of Betfair. 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: