Tools & Wizards About Us
postoveznamky.sk screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

postoveznamky.sk

Filatelia a zbieranie po?tov?ch zn?mok - www.postoveznamky.sk

Page Load Speed

6.7 sec in total

First Response

333 ms

Resources Loaded

5.5 sec

Page Rendered

903 ms

postoveznamky.sk screenshot

About Website

Visit postoveznamky.sk now to see the best up-to-date Po S Tov E Zn Amky content for Slovakia and also check out these interesting facts you probably never knew about postoveznamky.sk

Filatelistick? a zberate?sk? port?l - slovensk? po?tov? zn?mky, aukcie po?tov?ch zn?mok, filatelistick? burzy.

Visit postoveznamky.sk

Key Findings

We analyzed Postoveznamky.sk page load time and found that the first response time was 333 ms and then it took 6.4 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

postoveznamky.sk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value2,400 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.076

95/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

postoveznamky.sk

333 ms

www.postoveznamky.sk

692 ms

index.php

1979 ms

js

108 ms

css

82 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 51% of them (52 requests) were addressed to the original Postoveznamky.sk, 10% (10 requests) were made to Googleads.g.doubleclick.net and 8% (8 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Postoveznamky.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 464.0 kB (27%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Postoveznamky.sk main page is 1.7 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. 70% of websites need less resources to load. Javascripts take 902.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 95.8 kB

  • Original 110.4 kB
  • After minification 77.8 kB
  • After compression 14.6 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 32.6 kB, which is 30% 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 95.8 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 26.4 kB

  • Original 717.0 kB
  • After minification 690.5 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. Po S Tov E Zn Amky images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 340.3 kB

  • Original 902.6 kB
  • After minification 902.6 kB
  • After compression 562.3 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 340.3 kB or 38% of the original size.

CSS Optimization

-8%

Potential reduce by 1.5 kB

  • Original 17.6 kB
  • After minification 17.6 kB
  • After compression 16.1 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. Postoveznamky.sk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (40%)

Requests Now

94

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Po S Tov E Zn Amky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

postoveznamky.sk

postoveznamky.sk

333 ms

www.postoveznamky.sk

www.postoveznamky.sk

692 ms

index.php

index.php

1979 ms

js

js

108 ms

css

css

82 ms

css

css

98 ms

css

css

146 ms

app.css

app.css

145 ms

owl.carousel.min.css

owl.carousel.min.css

401 ms

owl.theme.default.min.css

owl.theme.default.min.css

513 ms

adsbygoogle.js

adsbygoogle.js

320 ms

amp-auto-ads-0.1.js

amp-auto-ads-0.1.js

78 ms

amp-ad-0.1.js

amp-ad-0.1.js

84 ms

sdk.js

sdk.js

69 ms

jquery.min.js

jquery.min.js

75 ms

vue

vue

91 ms

owl.carousel.min.js

owl.carousel.min.js

515 ms

app.js

app.js

515 ms

show_ads_impl.js

show_ads_impl.js

324 ms

Flag_SK.gif

Flag_SK.gif

119 ms

top-bar-arrow.jpg

top-bar-arrow.jpg

308 ms

Flag_EN.gif

Flag_EN.gif

306 ms

Logo_www_postoveznamky_sk_header.jpg

Logo_www_postoveznamky_sk_header.jpg

307 ms

Rudolf_Ciganik_600_vyrocie_umrtia_Jana_Zizku_S_nahlad_velkyo_98.webp

Rudolf_Ciganik_600_vyrocie_umrtia_Jana_Zizku_S_nahlad_velkyo_98.webp

308 ms

EUROPA_2016_Think_green_S_nahlad_velkyo_79.jpg

EUROPA_2016_Think_green_S_nahlad_velkyo_79.jpg

308 ms

Anketa_o_najkrajsiu_slovensku_postovu_znamku_za_rok_2023_S_nahlad_velkyo_663.webp

Anketa_o_najkrajsiu_slovensku_postovu_znamku_za_rok_2023_S_nahlad_velkyo_663.webp

428 ms

ZN_830_Vianoce_2024_Mobiliar_z_Baziliky_minor_sv_Egidia_v_Bardejove_V_obrazokm_2094.webp

ZN_830_Vianoce_2024_Mobiliar_z_Baziliky_minor_sv_Egidia_v_Bardejove_V_obrazokm_2094.webp

534 ms

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ZN_818_90_vyrocie_zalozenia_spolocnosti_Chemosvit_V_obrazokm_2102.webp

469 ms

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537 ms

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ZN_816_20_vyrocie_vstupu_Slovenska_do_EU_V_obrazokm_2101.webp

535 ms

ZN_815_EUROPA_2024_Fauna_a_flora_tatranskych_plies_V_obrazokm_2087.webp

ZN_815_EUROPA_2024_Fauna_a_flora_tatranskych_plies_V_obrazokm_2087.webp

541 ms

ZN_814_Osobnosti_Anna_Jurkovicova_1824-1905_V_obrazokm_2086.webp

ZN_814_Osobnosti_Anna_Jurkovicova_1824-1905_V_obrazokm_2086.webp

652 ms

ZN_813_800_vyrocie_zalozenia_benediktinskeho_opatstva_v_Skalke_pri_Trencine_V_obrazokm_2085.webp

ZN_813_800_vyrocie_zalozenia_benediktinskeho_opatstva_v_Skalke_pri_Trencine_V_obrazokm_2085.webp

592 ms

ZN_812_Velka_noc_2024_Mobiliar_z_Baziliky_minor_sv_Egidia_v_Bardejove_V_obrazokm_2084.webp

ZN_812_Velka_noc_2024_Mobiliar_z_Baziliky_minor_sv_Egidia_v_Bardejove_V_obrazokm_2084.webp

644 ms

ZN_811_200_vyrocie_od_vydania_basne_Slavy_dcera_V_obrazokm_2083.webp

ZN_811_200_vyrocie_od_vydania_basne_Slavy_dcera_V_obrazokm_2083.webp

759 ms

KMF_Dunaj_V_obrazokp_584.jpg

KMF_Dunaj_V_obrazokp_584.jpg

650 ms

Zvaz_slovenskych_filatelistov_Logo_V_obrazokp_1412.webp

Zvaz_slovenskych_filatelistov_Logo_V_obrazokp_1412.webp

659 ms

Logo_SCF_V_obrazokp_539.jpg

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706 ms

KMF_Dunaj_V_obrazokp_1322.jpg

KMF_Dunaj_V_obrazokp_1322.jpg

758 ms

Logo_SCF_v.jpg

Logo_SCF_v.jpg

765 ms

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768 ms

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776 ms

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861 ms

PostStamImg.png

PostStamImg.png

1147 ms

Logo_POFIS.jpg

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1037 ms

Logo_EXPONET.jpg

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1036 ms

Logo_SSOSZ_SK.jpg

Logo_SSOSZ_SK.jpg

1035 ms

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Logo_Filaso.jpg

1036 ms

Logo_OLYMPSPORT.jpg

Logo_OLYMPSPORT.jpg

1036 ms

Logo_ZSF.jpg

Logo_ZSF.jpg

1298 ms

Facebook_White.png

Facebook_White.png

1146 ms

twitter.png

twitter.png

1147 ms

instagram.png

instagram.png

1191 ms

analytics.js

analytics.js

91 ms

fbevents.js

fbevents.js

24 ms

slider-bg.png

slider-bg.png

1258 ms

postage-stamp-bg-2.png

postage-stamp-bg-2.png

1258 ms

sdk.js

sdk.js

32 ms

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u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkV2EH7alwkzuA_qNBQ.ttf

167 ms

u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkW-EH7alwkzuA_qNBQ.ttf

u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkW-EH7alwkzuA_qNBQ.ttf

253 ms

u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkYODH7alwkzuA_qNBQ.ttf

u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkYODH7alwkzuA_qNBQ.ttf

278 ms

If2cXTr6YS-zF4S-kcSWSVi_sxjsohD9F50Ruu7BMSo3ROp5hNX6pmRM.ttf

If2cXTr6YS-zF4S-kcSWSVi_sxjsohD9F50Ruu7BMSo3ROp5hNX6pmRM.ttf

278 ms

collect

collect

92 ms

105 ms

FEPA_News_44_January_2024_V_obrazokc_598.webp

FEPA_News_44_January_2024_V_obrazokc_598.webp

1096 ms

Znamkove_uzemia_Podnestersko_V_obrazokc_601.webp

Znamkove_uzemia_Podnestersko_V_obrazokc_601.webp

1091 ms

Co_zbierame_Arabske_sejkaty_V_obrazokc_595.webp

Co_zbierame_Arabske_sejkaty_V_obrazokc_595.webp

1091 ms

SLOVENSKA_FILATELIA_2023_4_V_obrazokc_599.webp

SLOVENSKA_FILATELIA_2023_4_V_obrazokc_599.webp

1090 ms

Logo_Slovenska_posta_V_obrazokc_597.webp

Logo_Slovenska_posta_V_obrazokc_597.webp

1134 ms

FIP_Flash_136_2024_01_V_obrazokc_600.webp

FIP_Flash_136_2024_01_V_obrazokc_600.webp

1095 ms

zrt_lookup.html

zrt_lookup.html

58 ms

ads

ads

459 ms

collect

collect

35 ms

js

js

56 ms

ga-audiences

ga-audiences

91 ms

EUROPA_2016_Think_green_V_obrazokc_170.jpg

EUROPA_2016_Think_green_V_obrazokc_170.jpg

977 ms

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Svaty_Gabriel_120_2023_4_V_obrazokc_596.webp

973 ms

reactive_library.js

reactive_library.js

214 ms

ca-pub-6286379039166710

ca-pub-6286379039166710

259 ms

ads

ads

257 ms

ads

ads

560 ms

ads

ads

543 ms

ads

ads

501 ms

ads

ads

512 ms

ads

ads

497 ms

load_preloaded_resource.js

load_preloaded_resource.js

85 ms

abg_lite.js

abg_lite.js

87 ms

s

s

71 ms

window_focus.js

window_focus.js

95 ms

qs_click_protection.js

qs_click_protection.js

100 ms

ufs_web_display.js

ufs_web_display.js

69 ms

cd4a99796a94d0c9d381e4cfe43efd64.js

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83 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

322 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

92 ms

one_click_handler_one_afma.js

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318 ms

icon.png

icon.png

57 ms

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318 ms

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feedback_grey600_24dp.png

78 ms

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311 ms

css

css

151 ms

activeview

activeview

127 ms

Accessibility Review

postoveznamky.sk accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

postoveznamky.sk best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

postoveznamky.sk SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    SK

  • Language Claimed

    SK

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Postoveznamky.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Postoveznamky.sk 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

postoveznamky.sk

Open Graph data is detected on the main page of Po S Tov E Zn Amky. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: