Tools & Wizards About Us
bryle-online.cz screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

bryle-online.cz

BRÝLE - značkové brýle se slevou až 50% - bryle-online.cz

Page Load Speed

4.8 sec in total

First Response

408 ms

Resources Loaded

3.7 sec

Page Rendered

614 ms

bryle-online.cz screenshot

About Website

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

BRÝLE - značkové brýle se slevou až 50% - bryle-online.cz | Brýle CHRISTIAN DIOR Dioptrické brýle Sluneční brýle Sportovní brýle Dámské brýle

Visit bryle-online.cz

Key Findings

We analyzed Bryle-online.cz page load time and found that the first response time was 408 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bryle-online.cz performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value31.3 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.104

89/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

bryle-online.cz

408 ms

www.bryle-online.cz

733 ms

bb32f0bc5ceeafb6a852edc06f48fb74.min.css

210 ms

5edff037571742e82fdb1a3d5445068b.min.css

293 ms

d41d8cd98f00b204e9800998ecf8427e.min.css

301 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 85% of them (72 requests) were addressed to the original Bryle-online.cz, 6% (5 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Bryle-online.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.8 kB (1%)

Content Size

5.5 MB

After Optimization

5.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bryle-online.cz main page is 5.5 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. 70% of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 64.2 kB

  • Original 73.7 kB
  • After minification 53.0 kB
  • After compression 9.4 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 20.6 kB, which is 28% 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 64.2 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 8.6 kB

  • Original 5.0 MB
  • After minification 5.0 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. Bryle Online images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 74 B

  • Original 332.6 kB
  • After minification 332.6 kB
  • After compression 332.5 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 868 B

  • Original 50.2 kB
  • After minification 50.1 kB
  • After compression 49.4 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. Bryle-online.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (20%)

Requests Now

74

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bryle Online. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bryle-online.cz

bryle-online.cz

408 ms

www.bryle-online.cz

www.bryle-online.cz

733 ms

bb32f0bc5ceeafb6a852edc06f48fb74.min.css

bb32f0bc5ceeafb6a852edc06f48fb74.min.css

210 ms

5edff037571742e82fdb1a3d5445068b.min.css

5edff037571742e82fdb1a3d5445068b.min.css

293 ms

d41d8cd98f00b204e9800998ecf8427e.min.css

d41d8cd98f00b204e9800998ecf8427e.min.css

301 ms

43b586252fdf87ba3d1a020747790401.min.css

43b586252fdf87ba3d1a020747790401.min.css

306 ms

deba67ec0026bff8ffba2b581dfe0651.min.css

deba67ec0026bff8ffba2b581dfe0651.min.css

302 ms

d4e4bed75605cb8637186db014b229cc.min.css

d4e4bed75605cb8637186db014b229cc.min.css

302 ms

65728f6f635f66b5341b0017429eac18.min.css

65728f6f635f66b5341b0017429eac18.min.css

315 ms

css2

css2

34 ms

95ab2e77e7722ca139f22b8507457b61.js

95ab2e77e7722ca139f22b8507457b61.js

814 ms

a6570123cf3324ccbab69f50ba79bcc3.js

a6570123cf3324ccbab69f50ba79bcc3.js

402 ms

gtm.js

gtm.js

157 ms

bg-top-flags.png

bg-top-flags.png

171 ms

logo.svg

logo.svg

172 ms

menu-icon.png

menu-icon.png

170 ms

bg_top-block_right.png

bg_top-block_right.png

292 ms

loading.gif

loading.gif

172 ms

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561 ms

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1039 ms

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844 ms

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480 ms

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1032 ms

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542 ms

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767 ms

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839 ms

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764 ms

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1058 ms

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1156 ms

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1133 ms

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959 ms

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1538 ms

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1234 ms

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1613 ms

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1269 ms

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1242 ms

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1356 ms

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1530 ms

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1550 ms

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1467 ms

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1457 ms

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1564 ms

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1573 ms

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1633 ms

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1643 ms

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1651 ms

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1612 ms

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KFOmCnqEu92Fr1Me5Q.ttf

21 ms

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41 ms

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51 ms

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49 ms

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ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpfBJ.ttf

69 ms

fa-solid-900.woff

fa-solid-900.woff

1713 ms

fa-regular-400.woff

fa-regular-400.woff

1560 ms

loading.gif

loading.gif

1571 ms

blank.gif

blank.gif

1601 ms

js

js

85 ms

destination

destination

42 ms

analytics.js

analytics.js

21 ms

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1563 ms

collect

collect

44 ms

js

js

82 ms

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1405 ms

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top_category_01.png

1351 ms

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1345 ms

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1306 ms

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1300 ms

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1114 ms

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1113 ms

retargeting.js

retargeting.js

685 ms

top_category_07.png

top_category_07.png

1092 ms

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top_category_08.png

1098 ms

top_category_09.png

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990 ms

banner_bottom-01.png

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929 ms

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943 ms

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922 ms

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900 ms

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888 ms

cards.png

cards.png

818 ms

shipping-icon.png

shipping-icon.png

820 ms

map-1.jpg

map-1.jpg

811 ms

map-2.jpg

map-2.jpg

726 ms

novinky_email-01.png

novinky_email-01.png

676 ms

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novinky_email-02.png

687 ms

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7b5d0f5b0a62f5eec5992dbb3b21df41.min.css

101 ms

Accessibility Review

bryle-online.cz accessibility score

83

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

Links do not have a discernible 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

bryle-online.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bryle-online.cz SEO score

91

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 Bryle-online.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 Bryle-online.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

bryle-online.cz

Open Graph data is detected on the main page of Bryle Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: