Tools & Wizards About Us
infofila.net screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

infofila.net

Filatelie, poštovní známky, známka, magazín o filatelii - Infofila.cz

Page Load Speed

4.9 sec in total

First Response

234 ms

Resources Loaded

3.3 sec

Page Rendered

1.4 sec

infofila.net screenshot

About Website

Visit infofila.net now to see the best up-to-date Infofila content and also check out these interesting facts you probably never knew about infofila.net

Filatelie Infofila - stránky o všem co s filatelií souvisí. Sběratelé sbírající poštovní známky a vše týkající se filatelie mají dostaveníčko právě zde.

Visit infofila.net

Key Findings

We analyzed Infofila.net page load time and found that the first response time was 234 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

infofila.net performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

infofila.net

234 ms

545 ms

www.infofila.cz

112 ms

www.infofila.cz

1010 ms

format_aukro.css

361 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Infofila.net, 55% (18 requests) were made to Infofila.cz and 18% (6 requests) were made to Eshop.infofila.cz. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Infofila.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.6 kB (38%)

Content Size

349.9 kB

After Optimization

216.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Infofila.net main page is 349.9 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. 45% of websites need less resources to load. Images take 193.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 42.0 kB

  • Original 52.4 kB
  • After minification 48.3 kB
  • After compression 10.5 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. 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 42.0 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 10.9 kB

  • Original 193.0 kB
  • After minification 182.1 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. Infofila images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 61.0 kB

  • Original 78.9 kB
  • After minification 56.7 kB
  • After compression 17.9 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 61.0 kB or 77% of the original size.

CSS Optimization

-77%

Potential reduce by 19.6 kB

  • Original 25.5 kB
  • After minification 23.7 kB
  • After compression 5.9 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. Infofila.net needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (50%)

Requests Now

26

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Infofila. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

infofila.net

infofila.net

234 ms

545 ms

www.infofila.cz

www.infofila.cz

112 ms

www.infofila.cz

www.infofila.cz

1010 ms

format_aukro.css

format_aukro.css

361 ms

bootstrap.min.css

bootstrap.min.css

147 ms

jquery-3.6.0.js

jquery-3.6.0.js

184 ms

popper.min.js

popper.min.js

170 ms

bootstrap.min.js

bootstrap.min.js

183 ms

b83d9fcebd.js

b83d9fcebd.js

201 ms

quill.snow.css

quill.snow.css

196 ms

cookieconsent.css

cookieconsent.css

443 ms

style.css

style.css

337 ms

js

js

197 ms

jquery.validate.js

jquery.validate.js

623 ms

messages_cs.js

messages_cs.js

345 ms

tooltip.js

tooltip.js

358 ms

css

css

181 ms

cookieconsent.js

cookieconsent.js

293 ms

cookieconsent-init.js

cookieconsent-init.js

215 ms

5592-znamky-m.jpg

5592-znamky-m.jpg

781 ms

albove-listy-zasklene-srn-1949-2005-pouzite-img-8098-album-s.jpg

albove-listy-zasklene-srn-1949-2005-pouzite-img-8098-album-s.jpg

753 ms

album-na-postovni-znamky-vc-listu-vario-img-8105-alba-s.jpg

album-na-postovni-znamky-vc-listu-vario-img-8105-alba-s.jpg

753 ms

6973-znamky-m.jpg

6973-znamky-m.jpg

753 ms

banner_infofila.jpg

banner_infofila.jpg

393 ms

eshop-pomucky.gif

eshop-pomucky.gif

591 ms

merkur.jpg

merkur.jpg

202 ms

prodatobraz1.jpg

prodatobraz1.jpg

105 ms

rak1.jpg

rak1.jpg

203 ms

rak2.jpg

rak2.jpg

210 ms

rak3.jpg

rak3.jpg

207 ms

8098-album-s.jpg

8098-album-s.jpg

104 ms

8105-alba-s.jpg

8105-alba-s.jpg

104 ms

Accessibility Review

infofila.net accessibility score

77

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

Image elements do not have [alt] attributes

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

[id] attributes on active, focusable elements are not unique

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 [lang] attribute

Best Practices

infofila.net best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

infofila.net SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Infofila.net can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Infofila.net 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

infofila.net

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