Tools & Wizards About Us
drogovaporadna.cz screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

drogovaporadna.cz

Sananim - Drogová poradna | On-line poradna týkající se drogové problematiky.

Page Load Speed

3.8 sec in total

First Response

496 ms

Resources Loaded

2.9 sec

Page Rendered

354 ms

drogovaporadna.cz screenshot

About Website

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

Sananim - Drogová poradna , Prostřednictvím Poradny on-line můžete zadat anonymně jakýkoli dotaz týkající se drogové problematiky.

Visit drogovaporadna.cz

Key Findings

We analyzed Drogovaporadna.cz page load time and found that the first response time was 496 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

drogovaporadna.cz performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value5.6 s

70/100

10%

Network Requests Diagram

drogovaporadna.cz

496 ms

clearbox.css

107 ms

calendar2.css

195 ms

style.css

195 ms

word.css

192 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 93% of them (81 requests) were addressed to the original Drogovaporadna.cz, 3% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (803 ms) belongs to the original domain Drogovaporadna.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 53.3 kB (16%)

Content Size

328.2 kB

After Optimization

274.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drogovaporadna.cz main page is 328.2 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 256.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 19.2 kB

  • Original 25.4 kB
  • After minification 22.1 kB
  • After compression 6.2 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. This page needs HTML code to be minified as it can gain 3.3 kB, which is 13% 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 19.2 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 30.3 kB

  • Original 256.2 kB
  • After minification 226.0 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. Obviously, Drogova Poradna needs image optimization as it can save up to 30.3 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-7%

Potential reduce by 2.9 kB

  • Original 39.1 kB
  • After minification 38.6 kB
  • After compression 36.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-13%

Potential reduce by 982 B

  • Original 7.5 kB
  • After minification 7.5 kB
  • After compression 6.5 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. Drogovaporadna.cz needs all CSS files to be minified and compressed as it can save up to 982 B or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (56%)

Requests Now

85

After Optimization

37

  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Drogova Poradna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

drogovaporadna.cz

drogovaporadna.cz

496 ms

clearbox.css

clearbox.css

107 ms

calendar2.css

calendar2.css

195 ms

style.css

style.css

195 ms

word.css

word.css

192 ms

home.css

home.css

185 ms

all.js

all.js

206 ms

swfobject.js

swfobject.js

204 ms

clearbox.js

clearbox.js

273 ms

js

js

90 ms

gahp.js

gahp.js

277 ms

cb_style.css

cb_style.css

411 ms

cb_config.js

cb_config.js

411 ms

cb_language.js

cb_language.js

604 ms

cb_core.js

cb_core.js

803 ms

bodybgr.jpg

bodybgr.jpg

204 ms

80x15.png

80x15.png

145 ms

face.jpg

face.jpg

337 ms

bgr.jpg

bgr.jpg

151 ms

top.jpg

top.jpg

335 ms

logo.jpg

logo.jpg

152 ms

menuli.gif

menuli.gif

152 ms

menu.gif

menu.gif

153 ms

menulinodots.gif

menulinodots.gif

335 ms

menunodots.gif

menunodots.gif

334 ms

downmenuli.gif

downmenuli.gif

334 ms

downmenu.gif

downmenu.gif

330 ms

button.jpg

button.jpg

519 ms

contentx.jpg

contentx.jpg

517 ms

drosipka.gif

drosipka.gif

503 ms

dotaz1.jpg

dotaz1.jpg

499 ms

dotaz2.jpg

dotaz2.jpg

504 ms

dotaz3.jpg

dotaz3.jpg

494 ms

dotazdown.gif

dotazdown.gif

512 ms

ua.png

ua.png

511 ms

linka.jpg

linka.jpg

508 ms

box1.jpg

box1.jpg

510 ms

dots.gif

dots.gif

565 ms

input.jpg

input.jpg

562 ms

boxdown1.gif

boxdown1.gif

561 ms

hlava.jpg

hlava.jpg

551 ms

fly.jpg

fly.jpg

549 ms

content.jpg

content.jpg

547 ms

dis.png

dis.png

611 ms

spec1bgr.jpg

spec1bgr.jpg

611 ms

specdots.gif

specdots.gif

612 ms

spec2bgr.jpg

spec2bgr.jpg

619 ms

footer.jpg

footer.jpg

619 ms

80x15.png

80x15.png

197 ms

ga.js

ga.js

39 ms

__utm.gif

__utm.gif

102 ms

__utm.gif

__utm.gif

100 ms

close.png

close.png

154 ms

blank.gif

blank.gif

126 ms

prev.png

prev.png

125 ms

next.png

next.png

127 ms

pause.png

pause.png

174 ms

start.png

start.png

184 ms

s_topleft.png

s_topleft.png

185 ms

s_top.png

s_top.png

410 ms

s_topright.png

s_topright.png

409 ms

s_left.png

s_left.png

193 ms

s_right.png

s_right.png

246 ms

s_btmleft.png

s_btmleft.png

273 ms

s_btm.png

s_btm.png

273 ms

s_btmright.png

s_btmright.png

284 ms

btm_dl.gif

btm_dl.gif

339 ms

btm_max.gif

btm_max.gif

359 ms

btm_next.gif

btm_next.gif

359 ms

btm_prev.gif

btm_prev.gif

375 ms

btm_rot_l.gif

btm_rot_l.gif

425 ms

btm_rot_r.gif

btm_rot_r.gif

450 ms

no_flash.gif

no_flash.gif

450 ms

no_html.gif

no_html.gif

465 ms

no_iframe.gif

no_iframe.gif

490 ms

no_image.gif

no_image.gif

492 ms

no_inner.gif

no_inner.gif

516 ms

no_quicktime.gif

no_quicktime.gif

540 ms

no_winmedia.gif

no_winmedia.gif

540 ms

no_winmediaavi.gif

no_winmediaavi.gif

537 ms

no_winmediamp3.gif

no_winmediamp3.gif

558 ms

no_winmediampg.gif

no_winmediampg.gif

560 ms

no_winmediawav.gif

no_winmediawav.gif

590 ms

no_winmediawma.gif

no_winmediawma.gif

611 ms

no_winmediawmv.gif

no_winmediawmv.gif

612 ms

no_youtube.gif

no_youtube.gif

627 ms

exlink.gif

exlink.gif

106 ms

Accessibility Review

drogovaporadna.cz accessibility score

80

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

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

Form elements do not have associated labels

Best Practices

drogovaporadna.cz best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

drogovaporadna.cz SEO score

69

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    ISO-8859-2

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drogovaporadna.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 Drogovaporadna.cz main page’s claimed encoding is iso-8859-2. 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

drogovaporadna.cz

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