Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

derivat.sk

Hlavn? str?nka ?asopisu Finan?n? trhy

Page Load Speed

3 sec in total

First Response

731 ms

Resources Loaded

2.1 sec

Page Rendered

194 ms

derivat.sk screenshot

About Website

Visit derivat.sk now to see the best up-to-date Derivat content for Slovakia and also check out these interesting facts you probably never knew about derivat.sk

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Key Findings

We analyzed Derivat.sk page load time and found that the first response time was 731 ms and then it took 2.3 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.

Performance Metrics

derivat.sk performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

derivat.sk

731 ms

elis_style.css

280 ms

style.php

315 ms

Kopkaimage002.jpg

777 ms

Casopisimage2014.gif

776 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Derivat.sk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Derivat.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.2 kB (71%)

Content Size

25.8 kB

After Optimization

7.6 kB

In fact, the total size of Derivat.sk main page is 25.8 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. HTML takes 21.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 17.7 kB

  • Original 21.2 kB
  • After minification 18.7 kB
  • After compression 3.5 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. This page needs HTML code to be minified as it can gain 2.5 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.7 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 10 B

  • Original 3.9 kB
  • After minification 3.9 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. Derivat images are well optimized though.

CSS Optimization

-73%

Potential reduce by 497 B

  • Original 685 B
  • After minification 522 B
  • After compression 188 B

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. Derivat.sk needs all CSS files to be minified and compressed as it can save up to 497 B or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derivat. According to our analytics all requests are already optimized.

Accessibility Review

derivat.sk accessibility score

78

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

derivat.sk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

derivat.sk SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Derivat.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak 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 Derivat.sk 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Derivat. 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: