Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rivaservis.cz

Výškové práce, práce ve výškách, mytí oken, stavební práce, úklidové práce | RIVA SERVIS

Page Load Speed

3.4 sec in total

First Response

516 ms

Resources Loaded

2.7 sec

Page Rendered

232 ms

About Website

Click here to check amazing RIVA SERVIS content. Otherwise, check out these important facts you probably never knew about rivaservis.cz

Výškové práce za pomoci horolezecké techniky. Stavební firma provádí izolace střech, zateplení domu, rekonstrukce domu, zateplení fasád, zateplení bytových domů, rodinných domů a zateplení střech. Úkl...

Visit rivaservis.cz

Key Findings

We analyzed Rivaservis.cz page load time and found that the first response time was 516 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

rivaservis.cz performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

rivaservis.cz

516 ms

www.rivaservis.cz

351 ms

x_auto_min_434798546735868607f0acc4fc823c1a.css

113 ms

jquery-1.7.2.min.js

432 ms

js.js

218 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 83% of them (38 requests) were addressed to the original Rivaservis.cz, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Rivaservis.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.8 kB (2%)

Content Size

810.4 kB

After Optimization

792.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rivaservis.cz main page is 810.4 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. 25% of websites need less resources to load. Images take 629.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 17.2 kB

  • Original 22.8 kB
  • After minification 21.4 kB
  • After compression 5.7 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. 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 17.2 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 342 B

  • Original 629.1 kB
  • After minification 628.7 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. RIVA SERVIS images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 172 B

  • Original 151.2 kB
  • After minification 151.2 kB
  • After compression 151.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 172 B

  • Original 7.3 kB
  • After minification 7.3 kB
  • After compression 7.1 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. Rivaservis.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 18 (41%)

Requests Now

44

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RIVA SERVIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rivaservis.cz accessibility score

85

Accessibility Issues

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.

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

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

Links do not have a discernible name

Best Practices

rivaservis.cz 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

rivaservis.cz SEO score

100

Search Engine Optimization Advices

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

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 Rivaservis.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 Rivaservis.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 PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: