Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

postoveznamky.sk

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

Page Load Speed

5.1 sec in total

First Response

589 ms

Resources Loaded

4.2 sec

Page Rendered

283 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 589 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

postoveznamky.sk performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

postoveznamky.sk

589 ms

www.postoveznamky.sk

922 ms

index.php

203 ms

default.css

152 ms

addthis_widget.js

8 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 46% of them (52 requests) were addressed to the original Postoveznamky.sk, 9% (10 requests) were made to Static.xx.fbcdn.net and 7% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Postoveznamky.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 507.9 kB (49%)

Content Size

1.0 MB

After Optimization

539.0 kB

In fact, the total size of Postoveznamky.sk main page is 1.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 596.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 143.3 kB

  • Original 175.8 kB
  • After minification 153.8 kB
  • After compression 32.5 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 22.0 kB, which is 12% 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 143.3 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 42.5 kB

  • Original 266.9 kB
  • After minification 224.4 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. Obviously, Po S Tov E Zn Amky needs image optimization as it can save up to 42.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-53%

Potential reduce by 318.6 kB

  • Original 596.2 kB
  • After minification 595.9 kB
  • After compression 277.6 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 318.6 kB or 53% of the original size.

CSS Optimization

-44%

Potential reduce by 3.6 kB

  • Original 8.1 kB
  • After minification 7.1 kB
  • After compression 4.5 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. Postoveznamky.sk needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (48%)

Requests Now

108

After Optimization

56

The browser has sent 108 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 31 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

postoveznamky.sk accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

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

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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

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: