Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

doktoronline.cz

Dětská pohotovost | Pediatrie - Doktoronline.cz

Page Load Speed

3.3 sec in total

First Response

444 ms

Resources Loaded

2.6 sec

Page Rendered

284 ms

doktoronline.cz screenshot

About Website

Click here to check amazing Doktoronline content for Czech Republic. Otherwise, check out these important facts you probably never knew about doktoronline.cz

Naši zkušení pediatři s Vámi proberou zdravotní potíže Vašeho dítěte a doporučí ideální léčebný postup. Naše služba Vám zajistí úsporu času a odbourá stresové situace.

Visit doktoronline.cz

Key Findings

We analyzed Doktoronline.cz page load time and found that the first response time was 444 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

doktoronline.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

index.php

444 ms

main_02.css

201 ms

slideshow_01.css

205 ms

jquery-1.4.2.min.js

398 ms

start.js

204 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 59% of them (37 requests) were addressed to the original Doktoronline.cz, 8% (5 requests) were made to Pagead2.googlesyndication.com and 8% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Doktoronline.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.5 kB (34%)

Content Size

448.1 kB

After Optimization

295.6 kB

In fact, the total size of Doktoronline.cz main page is 448.1 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. 35% of websites need less resources to load. Images take 208.6 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 16.8 kB

  • Original 24.8 kB
  • After minification 24.2 kB
  • After compression 8.0 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 16.8 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 1.1 kB

  • Original 208.6 kB
  • After minification 207.4 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. Doktoronline images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 121.2 kB

  • Original 197.5 kB
  • After minification 194.8 kB
  • After compression 76.4 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 121.2 kB or 61% of the original size.

CSS Optimization

-78%

Potential reduce by 13.4 kB

  • Original 17.2 kB
  • After minification 13.9 kB
  • After compression 3.9 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. Doktoronline.cz needs all CSS files to be minified and compressed as it can save up to 13.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (50%)

Requests Now

60

After Optimization

30

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doktoronline. 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.

Accessibility Review

doktoronline.cz accessibility score

100

Accessibility Issues

Best Practices

doktoronline.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

doktoronline.cz SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doktoronline.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Doktoronline.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.

Social Sharing Optimization

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