Tools & Wizards About Us
foreca.cz screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

foreca.cz

Počasí dnes - Foreca.cz

Page Load Speed

2.3 sec in total

First Response

130 ms

Resources Loaded

1.7 sec

Page Rendered

455 ms

foreca.cz screenshot

About Website

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

Podívejte se na mapu počasí země Česko na dnešek a následující dny. Foreca také uvádí dnešní nejteplejší a nejchladnější místa v zemi Česko a na světě.

Visit foreca.cz

Key Findings

We analyzed Foreca.cz page load time and found that the first response time was 130 ms and then it took 2.2 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

foreca.cz performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

foreca.cz

130 ms

www.foreca.cz

355 ms

main.754d1d93897e367ff5d9.css

115 ms

vendors.bundle.754d1d93897e367ff5d9.js

329 ms

904.bundle.754d1d93897e367ff5d9.js

33 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 49% of them (26 requests) were addressed to the original Foreca.cz, 13% (7 requests) were made to Cache.foreca.net and 9% (5 requests) were made to Img-c.foreca.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cache.foreca.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.6 kB (14%)

Content Size

492.6 kB

After Optimization

424.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Foreca.cz main page is 492.6 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. 25% of websites need less resources to load. Images take 213.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 44.8 kB

  • Original 57.1 kB
  • After minification 56.6 kB
  • After compression 12.3 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 44.8 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 20.3 kB

  • Original 213.4 kB
  • After minification 193.1 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. Foreca images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 220 B

  • Original 208.3 kB
  • After minification 208.3 kB
  • After compression 208.1 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

-24%

Potential reduce by 3.3 kB

  • Original 13.8 kB
  • After minification 13.8 kB
  • After compression 10.5 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. Foreca.cz needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (43%)

Requests Now

51

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Foreca. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

foreca.cz

foreca.cz

130 ms

www.foreca.cz

www.foreca.cz

355 ms

main.754d1d93897e367ff5d9.css

main.754d1d93897e367ff5d9.css

115 ms

vendors.bundle.754d1d93897e367ff5d9.js

vendors.bundle.754d1d93897e367ff5d9.js

329 ms

904.bundle.754d1d93897e367ff5d9.js

904.bundle.754d1d93897e367ff5d9.js

33 ms

169.bundle.754d1d93897e367ff5d9.js

169.bundle.754d1d93897e367ff5d9.js

39 ms

main.bundle.754d1d93897e367ff5d9.js

main.bundle.754d1d93897e367ff5d9.js

35 ms

settings.bundle.754d1d93897e367ff5d9.js

settings.bundle.754d1d93897e367ff5d9.js

26 ms

gpt.js

gpt.js

99 ms

tag

tag

30 ms

645a20768c8078e3a8b741a0.js

645a20768c8078e3a8b741a0.js

392 ms

gtm.js

gtm.js

229 ms

world.png

world.png

431 ms

arrow-r.gif

arrow-r.gif

444 ms

cz-czech-20240514120000.png

cz-czech-20240514120000.png

568 ms

w000.png

w000.png

257 ms

thumbnail.jpg

thumbnail.jpg

529 ms

400.png

400.png

774 ms

rev-major.png

rev-major.png

244 ms

trivia-warm-small.png

trivia-warm-small.png

422 ms

trivia-cold-small.png

trivia-cold-small.png

433 ms

trivia-warm.png

trivia-warm.png

437 ms

trivia-cold.png

trivia-cold.png

438 ms

header.png

header.png

671 ms

legend_rain_blank.png

legend_rain_blank.png

440 ms

cz-czech-20240515120000.png

cz-czech-20240515120000.png

800 ms

cz-czech-20240516120000.png

cz-czech-20240516120000.png

690 ms

cz-czech-20240517120000.png

cz-czech-20240517120000.png

952 ms

cz-czech-20240518120000.png

cz-czech-20240518120000.png

936 ms

cz-czech-20240519120000.png

cz-czech-20240519120000.png

1097 ms

raindrop.svg

raindrop.svg

577 ms

black.svg

black.svg

70 ms

search.svg

search.svg

72 ms

locate.svg

locate.svg

71 ms

n400.svg

n400.svg

81 ms

d440.svg

d440.svg

175 ms

d100.svg

d100.svg

237 ms

video-play.svg

video-play.svg

241 ms

location-gray.png

location-gray.png

174 ms

star-gray.png

star-gray.png

175 ms

d000.svg

d000.svg

236 ms

d400.svg

d400.svg

238 ms

d420.svg

d420.svg

239 ms

n300.svg

n300.svg

288 ms

d430.svg

d430.svg

273 ms

n100.svg

n100.svg

346 ms

appstore.svg

appstore.svg

273 ms

playstore.svg

playstore.svg

271 ms

huawei-dark.png

huawei-dark.png

351 ms

w180.png

w180.png

472 ms

w270.png

w270.png

274 ms

rev-city.png

rev-city.png

270 ms

pubads_impl.js

pubads_impl.js

44 ms

Accessibility Review

foreca.cz accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

foreca.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

foreca.cz SEO score

90

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Foreca.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 Foreca.cz main page’s claimed encoding is . 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

foreca.cz

Open Graph data is detected on the main page of Foreca. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: