Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

canonklub.cz

CANONKLUB | Česko-slovenský fotografický klub

Page Load Speed

3.9 sec in total

First Response

335 ms

Resources Loaded

2.7 sec

Page Rendered

829 ms

canonklub.cz screenshot

About Website

Visit canonklub.cz now to see the best up-to-date CANONKLUB content for Czech Republic and also check out these interesting facts you probably never knew about canonklub.cz

Čtete specializovaný nezávislý internetový klub propojující kluby a fotografy z Česka a Slovenska. Můžete diskutovat ve fóru, nahrávat a komentovat fotografie, prodávat ve fotobazaru, prohlížet katalo...

Visit canonklub.cz

Key Findings

We analyzed Canonklub.cz page load time and found that the first response time was 335 ms and then it took 3.5 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

canonklub.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

canonklub.cz

335 ms

www.canonklub.cz

450 ms

css

38 ms

css_12d5233c9a295766aabb56b74a7ac7c4.css

211 ms

superfish.css

215 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 51% of them (64 requests) were addressed to the original Canonklub.cz, 5% (6 requests) were made to Tpc.googlesyndication.com and 5% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (913 ms) belongs to the original domain Canonklub.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 967.2 kB (60%)

Content Size

1.6 MB

After Optimization

656.6 kB

In fact, the total size of Canonklub.cz main page is 1.6 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. 65% of websites need less resources to load. Javascripts take 948.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 241.6 kB

  • Original 297.8 kB
  • After minification 251.2 kB
  • After compression 56.1 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 46.5 kB, which is 16% 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 241.6 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 35.1 kB

  • Original 314.7 kB
  • After minification 279.6 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. Obviously, CANONKLUB needs image optimization as it can save up to 35.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 639.5 kB

  • Original 948.0 kB
  • After minification 918.8 kB
  • After compression 308.5 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 639.5 kB or 67% of the original size.

CSS Optimization

-80%

Potential reduce by 51.0 kB

  • Original 63.4 kB
  • After minification 60.9 kB
  • After compression 12.4 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. Canonklub.cz needs all CSS files to be minified and compressed as it can save up to 51.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (43%)

Requests Now

120

After Optimization

68

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CANONKLUB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

canonklub.cz accessibility score

83

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

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

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

canonklub.cz 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

canonklub.cz SEO score

64

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

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

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