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zadarmo.com screenshot

Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zadarmo.com

Virtual Phone System, Phone numbers and PBX | Zadarma

Page Load Speed

3.8 sec in total

First Response

228 ms

Resources Loaded

3.2 sec

Page Rendered

426 ms

zadarmo.com screenshot

About Website

Click here to check amazing Zadarmo content. Otherwise, check out these important facts you probably never knew about zadarmo.com

Zadarma offers virtual phone numbers in 100+ countries, free cloud PBX and CRM systems. Video conferencing. Call tracking. Speech analytics. Try now!

Visit zadarmo.com

Key Findings

We analyzed Zadarmo.com page load time and found that the first response time was 228 ms and then it took 3.6 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

zadarmo.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

zadarmo.com

228 ms

www.polki.com

321 ms

style.css

74 ms

english.jpg

2678 ms

logo.gif

656 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Zadarmo.com, 96% (43 requests) were made to Polki.com and 2% (1 request) were made to Polishwomen.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source Polishwomen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.5 kB (30%)

Content Size

182.5 kB

After Optimization

126.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Zadarmo.com main page is 182.5 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 124.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 44.5 kB

  • Original 50.8 kB
  • After minification 48.9 kB
  • After compression 6.3 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 44.5 kB or 88% of the original size.

Image Optimization

-4%

Potential reduce by 5.1 kB

  • Original 124.0 kB
  • After minification 119.0 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. Zadarmo images are well optimized though.

CSS Optimization

-78%

Potential reduce by 6.0 kB

  • Original 7.6 kB
  • After minification 5.4 kB
  • After compression 1.7 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. Zadarmo.com needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

43

After Optimization

43

  • Images
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zadarmo. According to our analytics all requests are already optimized.

Network Requests Diagram

zadarmo.com

zadarmo.com

228 ms

www.polki.com

www.polki.com

321 ms

style.css

style.css

74 ms

english.jpg

english.jpg

2678 ms

logo.gif

logo.gif

656 ms

px.gif

px.gif

1664 ms

women.gif

women.gif

1664 ms

pl.png

pl.png

2678 ms

1_th.jpg

1_th.jpg

98 ms

1_th.jpg

1_th.jpg

107 ms

1_th.jpg

1_th.jpg

135 ms

1_th.jpg

1_th.jpg

145 ms

1_th.jpg

1_th.jpg

173 ms

1_th.jpg

1_th.jpg

182 ms

1_th.jpg

1_th.jpg

212 ms

1_th.jpg

1_th.jpg

220 ms

1_th.jpg

1_th.jpg

264 ms

1_th.jpg

1_th.jpg

265 ms

1_th.jpg

1_th.jpg

288 ms

1_th.jpg

1_th.jpg

295 ms

1_th.jpg

1_th.jpg

305 ms

1_th.jpg

1_th.jpg

311 ms

1_th.jpg

1_th.jpg

343 ms

1_th.jpg

1_th.jpg

349 ms

1_th.jpg

1_th.jpg

381 ms

1_th.jpg

1_th.jpg

387 ms

1_th.jpg

1_th.jpg

418 ms

1_th.jpg

1_th.jpg

424 ms

1_th.jpg

1_th.jpg

457 ms

1_th.jpg

1_th.jpg

461 ms

1_th.jpg

1_th.jpg

495 ms

1_th.jpg

1_th.jpg

500 ms

1_th.jpg

1_th.jpg

530 ms

1_th.jpg

1_th.jpg

534 ms

1_th.jpg

1_th.jpg

568 ms

1_th.jpg

1_th.jpg

572 ms

1_th.jpg

1_th.jpg

607 ms

1_th.jpg

1_th.jpg

609 ms

1_th.jpg

1_th.jpg

619 ms

1_th.jpg

1_th.jpg

597 ms

1_th.jpg

1_th.jpg

594 ms

1_th.jpg

1_th.jpg

611 ms

box_yellow.gif

box_yellow.gif

584 ms

box_green.gif

box_green.gif

584 ms

box_brown.gif

box_brown.gif

581 ms

Accessibility Review

zadarmo.com accessibility score

98

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

<object> elements do not have alternate text

Best Practices

zadarmo.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zadarmo.com SEO score

82

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zadarmo.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zadarmo.com 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

zadarmo.com

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