Tools & Wizards About Us
1inzerce.cz screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

1inzerce.cz

INZERCE ZDARMA, inzerce, inzer?ty zdarma | 1inzerce.cz

Page Load Speed

7.2 sec in total

First Response

470 ms

Resources Loaded

6.5 sec

Page Rendered

211 ms

1inzerce.cz screenshot

About Website

Welcome to 1inzerce.cz homepage info - get ready to check 1 INZERCE best content for Czech Republic right away, or after learning these important things about 1inzerce.cz

Inzerce zdarma a online bazar. Soukrom? inzerce zdarma a podnikatelsk? inzerce v?etn? katalogu firem. Kvalitn? a t??d?n? inzerce pln? fotografi?.

Visit 1inzerce.cz

Key Findings

We analyzed 1inzerce.cz page load time and found that the first response time was 470 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

1inzerce.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value3,310 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

1inzerce.cz

470 ms

1inzerce.cz

484 ms

www.1inzerce.cz

482 ms

www.1inzerce.cz

735 ms

styl-2011-05-28.css

702 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original 1inzerce.cz, 24% (17 requests) were made to Img.1inzerce.cz and 21% (15 requests) were made to Img-home.1inzerce.cz. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Img.1inzerce.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.3 kB (23%)

Content Size

1.1 MB

After Optimization

808.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 1inzerce.cz main page is 1.1 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. 35% of websites need less resources to load. Javascripts take 784.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 54.3 kB

  • Original 67.1 kB
  • After minification 62.8 kB
  • After compression 12.8 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. 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 54.3 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 17.6 kB

  • Original 191.2 kB
  • After minification 173.6 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. 1 INZERCE images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 171.4 kB

  • Original 784.2 kB
  • After minification 784.0 kB
  • After compression 612.9 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 171.4 kB or 22% of the original size.

CSS Optimization

-10%

Potential reduce by 1.1 kB

  • Original 10.6 kB
  • After minification 10.6 kB
  • After compression 9.6 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. 1inzerce.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (51%)

Requests Now

65

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 1 INZERCE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1inzerce.cz

1inzerce.cz

470 ms

1inzerce.cz

1inzerce.cz

484 ms

www.1inzerce.cz

www.1inzerce.cz

482 ms

www.1inzerce.cz

www.1inzerce.cz

735 ms

styl-2011-05-28.css

styl-2011-05-28.css

702 ms

menu-2011-05-28.css

menu-2011-05-28.css

711 ms

fancybox-1.3.4.css

fancybox-1.3.4.css

706 ms

jquery.min.js

jquery.min.js

19 ms

funkce.js

funkce.js

619 ms

show_ads.js

show_ads.js

87 ms

adsbygoogle.js

adsbygoogle.js

180 ms

srafovanie.gif

srafovanie.gif

581 ms

auta.gif

auta.gif

666 ms

motorky.gif

motorky.gif

821 ms

pocitace.gif

pocitace.gif

993 ms

mobily.gif

mobily.gif

1152 ms

reality-domy-nemovitosti.gif

reality-domy-nemovitosti.gif

1309 ms

prodej-pronaje-bytu.gif

prodej-pronaje-bytu.gif

1581 ms

elektro.gif

elektro.gif

1664 ms

elektro-audio-video.gif

elektro-audio-video.gif

1807 ms

prace.gif

prace.gif

1808 ms

brigady.gif

brigady.gif

1836 ms

cestovani-ubytovani.gif

cestovani-ubytovani.gif

1905 ms

sport.gif

sport.gif

1917 ms

zvirata.gif

zvirata.gif

1968 ms

sbirky.gif

sbirky.gif

2073 ms

detske-potreby.gif

detske-potreby.gif

2074 ms

top_background.png

top_background.png

1934 ms

login_bg.gif

login_bg.gif

803 ms

logo.png

logo.png

2803 ms

add_adv.png

add_adv.png

2909 ms

add_adv_sms.png

add_adv_sms.png

3104 ms

add_firm_sms.png

add_firm_sms.png

3088 ms

menu-bg.gif

menu-bg.gif

2983 ms

background.gif

background.gif

3212 ms

kategorie_inzeraty_hlavicka.jpg

kategorie_inzeraty_hlavicka.jpg

3613 ms

adsbygoogle.js

adsbygoogle.js

99 ms

1_mala.gif

1_mala.gif

685 ms

obsah_prava_hlavicka.jpg

obsah_prava_hlavicka.jpg

847 ms

obsah_prava_hlavicka_doporucujeme.jpg

obsah_prava_hlavicka_doporucujeme.jpg

968 ms

show_ads_impl.js

show_ads_impl.js

381 ms

ga.js

ga.js

17 ms

__utm.gif

__utm.gif

22 ms

zrt_lookup.html

zrt_lookup.html

58 ms

ads

ads

433 ms

fancybox.png

fancybox.png

594 ms

fancybox-x.png

fancybox-x.png

612 ms

fancybox-y.png

fancybox-y.png

766 ms

blank.gif

blank.gif

781 ms

ads

ads

362 ms

ads

ads

382 ms

reactive_library.js

reactive_library.js

147 ms

c9cd4a097b15def18816fa5d93e4cd4f.js

c9cd4a097b15def18816fa5d93e4cd4f.js

46 ms

3b0c1a1c8750041eb27603629860e89a.js

3b0c1a1c8750041eb27603629860e89a.js

52 ms

load_preloaded_resource.js

load_preloaded_resource.js

51 ms

cdf01d8369ba0e15ccbc9395c59a9391.js

cdf01d8369ba0e15ccbc9395c59a9391.js

51 ms

abg_lite.js

abg_lite.js

54 ms

window_focus.js

window_focus.js

53 ms

qs_click_protection.js

qs_click_protection.js

68 ms

ufs_web_display.js

ufs_web_display.js

22 ms

bbae3fd3506d8d9338f85d10ea9db8af.js

bbae3fd3506d8d9338f85d10ea9db8af.js

50 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

47 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

54 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

43 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

43 ms

icon.png

icon.png

141 ms

s

s

140 ms

css

css

62 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

22 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

27 ms

sa30O7WeJNzu8x7oKdCcujxNj08-gvZudrea3FT7Uzc.js

sa30O7WeJNzu8x7oKdCcujxNj08-gvZudrea3FT7Uzc.js

5 ms

Accessibility Review

1inzerce.cz accessibility score

85

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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

1inzerce.cz best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

1inzerce.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

    CZ

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 1inzerce.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed language. Our system also found out that 1inzerce.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

1inzerce.cz

Open Graph description is not detected on the main page of 1 INZERCE. 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: