Tools & Wizards About Us
serialiky.cz screenshot

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

serialiky.cz

Sex v Česku

Page Load Speed

1.9 sec in total

First Response

207 ms

Resources Loaded

1.4 sec

Page Rendered

288 ms

serialiky.cz screenshot

About Website

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

Sex v Česku.

Visit serialiky.cz

Key Findings

We analyzed Serialiky.cz page load time and found that the first response time was 207 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

serialiky.cz performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.23

54/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

serialiky.cz

207 ms

serialiky.cz

504 ms

jquery.min.js

57 ms

global.js

54 ms

default.css

76 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 93% of them (25 requests) were addressed to the original Serialiky.cz, 7% (2 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (621 ms) belongs to the original domain Serialiky.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.8 kB (6%)

Content Size

310.3 kB

After Optimization

291.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Serialiky.cz main page is 310.3 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. 15% of websites need less resources to load. Images take 260.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 11.4 kB

  • Original 14.6 kB
  • After minification 13.8 kB
  • After compression 3.2 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 11.4 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 7.1 kB

  • Original 260.5 kB
  • After minification 253.4 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. Serialiky images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 64 B

  • Original 31.1 kB
  • After minification 31.1 kB
  • After compression 31.0 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.

CSS Optimization

-6%

Potential reduce by 265 B

  • Original 4.1 kB
  • After minification 4.1 kB
  • After compression 3.8 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. Serialiky.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (29%)

Requests Now

24

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serialiky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

serialiky.cz

serialiky.cz

207 ms

serialiky.cz

serialiky.cz

504 ms

jquery.min.js

jquery.min.js

57 ms

global.js

global.js

54 ms

default.css

default.css

76 ms

logo.png

logo.png

621 ms

uk.png

uk.png

487 ms

en.png

en.png

98 ms

ru.png

ru.png

134 ms

20.jpg

20.jpg

418 ms

message.svg

message.svg

177 ms

hit

hit

481 ms

bg.jpg

bg.jpg

338 ms

header.png

header.png

60 ms

238.jpeg

238.jpeg

80 ms

246.jpg

246.jpg

106 ms

36.jpg

36.jpg

508 ms

59.jpeg

59.jpeg

122 ms

73.jpg

73.jpg

141 ms

261.jpeg

261.jpeg

164 ms

264.jpeg

264.jpeg

185 ms

162.jpg

162.jpg

212 ms

228.jpeg

228.jpeg

232 ms

224.jpeg

224.jpeg

254 ms

131.jpg

131.jpg

275 ms

44.jpg

44.jpg

297 ms

hit

hit

120 ms

Accessibility Review

serialiky.cz accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

serialiky.cz 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

serialiky.cz SEO score

99

Search Engine Optimization Advices

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Serialiky.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 Serialiky.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

serialiky.cz

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