Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rajsiti.cz

Šicí stroje, vyšívací stroje a overlocky z Ráje šití

Page Load Speed

4.4 sec in total

First Response

315 ms

Resources Loaded

3.5 sec

Page Rendered

626 ms

About Website

Welcome to rajsiti.cz homepage info - get ready to check Rajsiti best content right away, or after learning these important things about rajsiti.cz

Šicí stroje, vyšívací stroje, overlocky a mandly ze specializovaného obchodu Ráj šití. Široká nabídka šicích strojů, příslušenství, žehlící techniky a galanterie.

Visit rajsiti.cz

Key Findings

We analyzed Rajsiti.cz page load time and found that the first response time was 315 ms and then it took 4.1 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

rajsiti.cz performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.682

8/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

rajsiti.cz

315 ms

www.raj-siti.cz

812 ms

screen.css

419 ms

cookiecontrol.css

210 ms

shop.js

434 ms

Our browser made a total of 188 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rajsiti.cz, 57% (107 requests) were made to Raj-siti.cz and 14% (26 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Raj-siti.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 272.8 kB (28%)

Content Size

989.8 kB

After Optimization

717.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rajsiti.cz main page is 989.8 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. 70% of websites need less resources to load. Images take 674.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 89.6 kB

  • Original 108.2 kB
  • After minification 105.4 kB
  • After compression 18.6 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. 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 89.6 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 43.8 kB

  • Original 674.0 kB
  • After minification 630.2 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. Rajsiti images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 65.7 kB

  • Original 120.4 kB
  • After minification 102.2 kB
  • After compression 54.7 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 65.7 kB or 55% of the original size.

CSS Optimization

-85%

Potential reduce by 73.8 kB

  • Original 87.2 kB
  • After minification 69.1 kB
  • After compression 13.5 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. Rajsiti.cz needs all CSS files to be minified and compressed as it can save up to 73.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (40%)

Requests Now

182

After Optimization

109

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 182 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rajsiti. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rajsiti.cz accessibility score

75

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

Form elements do not have associated labels

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rajsiti.cz best practices score

75

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

rajsiti.cz SEO score

90

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

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 Rajsiti.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 Rajsiti.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 Rajsiti. 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: