Tools & Wizards About Us

Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

Page Load Speed

23.3 sec in total

First Response

561 ms

Resources Loaded

22.4 sec

Page Rendered

334 ms

About Website

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Key Findings

We analyzed De.surebet.com page load time and found that the first response time was 561 ms and then it took 22.7 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.

Performance Metrics

de.surebet.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value6.4 s

59/100

10%

Network Requests Diagram

de.surebet.com

561 ms

de.surebet.com

432 ms

surebets

330 ms

application-765f999dfbd77776912c27d16142d5d8326ef2c60f21e0d7ae871ef217dd9d1b.css

395 ms

application-6a4f30e9211aa48538a3f1cea546b67ae1a09e6231f7415180abe7d2550843f3.js

584 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 81% of them (13 requests) were addressed to the original De.surebet.com, 13% (2 requests) were made to Ssl.google-analytics.com and 6% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (705 ms) belongs to the original domain De.surebet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 284.9 kB (69%)

Content Size

414.5 kB

After Optimization

129.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of De.surebet.com main page is 414.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 243.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 82.9 kB

  • Original 100.9 kB
  • After minification 99.0 kB
  • After compression 18.0 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 82.9 kB or 82% of the original size.

Image Optimization

-9%

Potential reduce by 1.6 kB

  • Original 18.0 kB
  • After minification 16.4 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. De Sure Bet images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 159.7 kB

  • Original 243.9 kB
  • After minification 243.9 kB
  • After compression 84.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 159.7 kB or 65% of the original size.

CSS Optimization

-79%

Potential reduce by 40.6 kB

  • Original 51.6 kB
  • After minification 51.6 kB
  • After compression 11.0 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. De.surebet.com needs all CSS files to be minified and compressed as it can save up to 40.6 kB or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Sure Bet. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

de.surebet.com accessibility score

91

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

de.surebet.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

de.surebet.com SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a valid hreflang

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

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise De.surebet.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that De.surebet.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 description is not detected on the main page of De Sure Bet. 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: