Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

idama.cz

Stavebniny PRO-DOMA | Váš dodavatel stavebních materiálů

Page Load Speed

16.2 sec in total

First Response

489 ms

Resources Loaded

15.2 sec

Page Rendered

456 ms

About Website

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

PRO-DOMA je tradiční česká rodinná firma. Provozuje nejširší síť stavebnin a stavebních půjčoven v ČR. Dodáváme také střešní i hutní materiál.

Visit idama.cz

Key Findings

We analyzed Idama.cz page load time and found that the first response time was 489 ms and then it took 15.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

idama.cz performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value5,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.176

68/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

idama.cz

489 ms

www.pro-doma.cz

1528 ms

62129f58-6367-4cef-89e1-7a4d197a7cb7-cs

336 ms

CookieOptOut.css

410 ms

slick.css

412 ms

Our browser made a total of 391 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Idama.cz, 93% (364 requests) were made to Pro-doma.cz and 2% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (5.9 sec) relates to the external source Pro-doma.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (22%)

Content Size

8.1 MB

After Optimization

6.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Idama.cz main page is 8.1 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 6.5 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 1.1 MB

  • Original 1.2 MB
  • After minification 698.6 kB
  • After compression 89.8 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 510.4 kB, which is 42% 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 1.1 MB or 93% of the original size.

Image Optimization

-9%

Potential reduce by 606.7 kB

  • Original 6.5 MB
  • After minification 5.9 MB

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. Idama images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 14.7 kB

  • Original 282.1 kB
  • After minification 281.9 kB
  • After compression 267.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 5.2 kB

  • Original 115.3 kB
  • After minification 114.7 kB
  • After compression 110.0 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. Idama.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 59 (16%)

Requests Now

369

After Optimization

310

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 369 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Idama. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

idama.cz accessibility score

82

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

idama.cz best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

idama.cz SEO score

92

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

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

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 Idama.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 Idama.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

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