Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

grizly.cz

Grizly | Grizly

Page Load Speed

4.7 sec in total

First Response

532 ms

Resources Loaded

4 sec

Page Rendered

138 ms

grizly.cz screenshot

About Website

Click here to check amazing Grizly content for Czech Republic. Otherwise, check out these important facts you probably never knew about grizly.cz

Grizly

Visit grizly.cz

Key Findings

We analyzed Grizly.cz page load time and found that the first response time was 532 ms and then it took 4.2 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

grizly.cz performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,130 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.46

19/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

grizly.cz

532 ms

www.grizly.cz

1043 ms

lux.js

38 ms

gtm.js

72 ms

default.js

746 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 89% of them (124 requests) were addressed to the original Grizly.cz, 2% (3 requests) were made to Cdn.luigisbox.com and 1% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Grizly.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 642.0 kB (35%)

Content Size

1.8 MB

After Optimization

1.2 MB

In fact, the total size of Grizly.cz main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 723.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 307.3 kB

  • Original 356.6 kB
  • After minification 270.8 kB
  • After compression 49.3 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 85.8 kB, which is 24% 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 307.3 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 297 B

  • Original 654.7 kB
  • After minification 654.4 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. Grizly images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 334.2 kB

  • Original 723.8 kB
  • After minification 723.8 kB
  • After compression 389.6 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 334.2 kB or 46% of the original size.

CSS Optimization

-0%

Potential reduce by 278 B

  • Original 83.0 kB
  • After minification 83.0 kB
  • After compression 82.7 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. Grizly.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 33 (27%)

Requests Now

122

After Optimization

89

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grizly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

grizly.cz accessibility score

82

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.

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

Best Practices

grizly.cz best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

grizly.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grizly.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Grizly.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 Grizly. 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: