Report Summary

  • 0

    Performance

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

bistroagency.cz

Isobar Czech Republic

Page Load Speed

3.5 sec in total

First Response

327 ms

Resources Loaded

3 sec

Page Rendered

98 ms

bistroagency.cz screenshot

About Website

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

A full-service agency delivering experiences that move the audience and create lasting relationships between brands and customers. We are curious, questioning the norm and building campaigns that disr...

Visit bistroagency.cz

Key Findings

We analyzed Bistroagency.cz page load time and found that the first response time was 327 ms and then it took 3.1 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

bistroagency.cz performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value5.7 s

50/100

10%

TBT (Total Blocking Time)

Value1,360 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

bistroagency.cz

327 ms

bistroagency.cz

439 ms

www.bistroagency.cz

578 ms

main.min.css

117 ms

head.min.js

234 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 63% of them (24 requests) were addressed to the original Bistroagency.cz, 11% (4 requests) were made to Cdnjs.cloudflare.com and 5% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Bistroagency.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.3 kB (4%)

Content Size

3.5 MB

After Optimization

3.4 MB

In fact, the total size of Bistroagency.cz main page is 3.5 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. 30% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 9.7 kB

  • Original 13.7 kB
  • After minification 12.5 kB
  • After compression 4.0 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 9.7 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 4.9 kB

  • Original 3.3 MB
  • After minification 3.2 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. Bistroagency images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 85.2 kB

  • Original 203.5 kB
  • After minification 203.5 kB
  • After compression 118.3 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 85.2 kB or 42% of the original size.

CSS Optimization

-82%

Potential reduce by 25.6 kB

  • Original 31.2 kB
  • After minification 31.1 kB
  • After compression 5.7 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. Bistroagency.cz needs all CSS files to be minified and compressed as it can save up to 25.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (32%)

Requests Now

34

After Optimization

23

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bistroagency. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bistroagency.cz accessibility score

93

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.

Best Practices

bistroagency.cz best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bistroagency.cz SEO score

92

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bistroagency.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Bistroagency.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 Bistroagency. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: