Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

reda.cz

REDA -Reda.cz – reklamní předměty s potiskem už od 2 dnů - REDA- reklamní předměty

Page Load Speed

8.5 sec in total

First Response

568 ms

Resources Loaded

7.2 sec

Page Rendered

708 ms

reda.cz screenshot

About Website

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

Reklamní předměty online a katalog firemních dárkových produktů. Reklamní předměty s potiskem vyrábíme od 2 dnů a dopravou zdarma. Umíme 19 metod potisku.

Visit reda.cz

Key Findings

We analyzed Reda.cz page load time and found that the first response time was 568 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

reda.cz performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value330 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.0 s

8/100

10%

Network Requests Diagram

reda.cz

568 ms

bootstrap.min.css

45 ms

jquery-ui.css

15 ms

magnific-popup.min.css

61 ms

selectize.bootstrap2.css

73 ms

Our browser made a total of 205 requests to load all elements on the main page. We found that 14% of them (29 requests) were addressed to the original Reda.cz, 66% (136 requests) were made to Cdn-ts-westeu.promotte.com and 12% (25 requests) were made to Cdn-webassets.promotron.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Cdn-ts-westeu.promotte.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (25%)

Content Size

5.4 MB

After Optimization

4.0 MB

In fact, the total size of Reda.cz main page is 5.4 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. 80% 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. Images take 4.0 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 190.2 kB

  • Original 211.9 kB
  • After minification 171.0 kB
  • After compression 21.7 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 40.9 kB, which is 19% 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 190.2 kB or 90% of the original size.

Image Optimization

-14%

Potential reduce by 540.3 kB

  • Original 4.0 MB
  • After minification 3.5 MB

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, REDA needs image optimization as it can save up to 540.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 156.9 kB

  • Original 644.2 kB
  • After minification 644.1 kB
  • After compression 487.3 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 156.9 kB or 24% of the original size.

CSS Optimization

-87%

Potential reduce by 447.0 kB

  • Original 515.1 kB
  • After minification 510.6 kB
  • After compression 68.2 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. Reda.cz needs all CSS files to be minified and compressed as it can save up to 447.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (21%)

Requests Now

188

After Optimization

148

The browser has sent 188 CSS, Javascripts, AJAX and image requests in order to completely render the main page of REDA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

reda.cz accessibility score

92

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

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.

Best Practices

reda.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

reda.cz SEO score

82

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

High

Page is blocked from indexing

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Reda.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 Reda.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 data is detected on the main page of REDA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: