Tools & Wizards About Us
bryle-domu.cz screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 0

    Best Practices

  • 90

    SEO

    Google-friendlier than
    68% of websites

bryle-domu.cz

Bryle-domu.cz - Brýle až o 50 % levněji než v optice. Brýle až domů. | Bryle-domu.cz

Page Load Speed

4.1 sec in total

First Response

448 ms

Resources Loaded

3.5 sec

Page Rendered

225 ms

bryle-domu.cz screenshot

About Website

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

Kupte si dioptrické brýle podle předpisu online až o 50 % levněji než v oční optice a nechte si je zaslat domů! Možnost osobního vyzkoušení.

Visit bryle-domu.cz

Key Findings

We analyzed Bryle-domu.cz page load time and found that the first response time was 448 ms and then it took 3.7 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

bryle-domu.cz performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

bryle-domu.cz

448 ms

bryle-domu.cz

397 ms

www.bryle-domu.cz

802 ms

gtm.js

75 ms

jquery-ui-1.8.16.custom.css

118 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 80% of them (77 requests) were addressed to the original Bryle-domu.cz, 3% (3 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (874 ms) relates to the external source Cdn.foxentry.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.8 kB (15%)

Content Size

812.1 kB

After Optimization

688.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bryle-domu.cz main page is 812.1 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. 45% of websites need less resources to load. Images take 372.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 46.9 kB

  • Original 58.0 kB
  • After minification 40.2 kB
  • After compression 11.1 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 17.8 kB, which is 31% 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 46.9 kB or 81% of the original size.

Image Optimization

-16%

Potential reduce by 60.8 kB

  • Original 372.8 kB
  • After minification 312.0 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. Obviously, Bryle Domu needs image optimization as it can save up to 60.8 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 12.0 kB

  • Original 283.9 kB
  • After minification 283.9 kB
  • After compression 272.0 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

-4%

Potential reduce by 4.1 kB

  • Original 97.4 kB
  • After minification 97.2 kB
  • After compression 93.3 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-domu.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (54%)

Requests Now

92

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bryle Domu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bryle-domu.cz

bryle-domu.cz

448 ms

bryle-domu.cz

bryle-domu.cz

397 ms

www.bryle-domu.cz

www.bryle-domu.cz

802 ms

gtm.js

gtm.js

75 ms

jquery-ui-1.8.16.custom.css

jquery-ui-1.8.16.custom.css

118 ms

bootstrap-iso.min.css

bootstrap-iso.min.css

221 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

401 ms

common.css

common.css

398 ms

index.css

index.css

397 ms

tryonline.css

tryonline.css

395 ms

heureka.css

heureka.css

399 ms

jquery.tooltip.css

jquery.tooltip.css

400 ms

colorbox.css

colorbox.css

408 ms

colorbox-custom.css

colorbox-custom.css

406 ms

all.css

all.css

50 ms

slides.css

slides.css

406 ms

cookieconsent.min.css

cookieconsent.min.css

64 ms

jquery.min.js

jquery.min.js

30 ms

lazysizes-umd.min.js

lazysizes-umd.min.js

93 ms

jquery-ui.min.js

jquery-ui.min.js

34 ms

jquery.fancybox.js

jquery.fancybox.js

502 ms

common.js

common.js

424 ms

tools.tooltip.min.js

tools.tooltip.min.js

490 ms

jquery.cookie.js

jquery.cookie.js

495 ms

tools.tooltip-init.js

tools.tooltip-init.js

501 ms

jquery.carouFredSel.js

jquery.carouFredSel.js

600 ms

index.js

index.js

526 ms

try-online.js

try-online.js

591 ms

jquery.colorbox.js

jquery.colorbox.js

599 ms

colorbox-init-cs.js

colorbox-init-cs.js

598 ms

newsletter.js

newsletter.js

603 ms

facebook.js

facebook.js

627 ms

cookie-consent2.7.2.js

cookie-consent2.7.2.js

696 ms

markerclusterer.min.js

markerclusterer.min.js

703 ms

analytics.js

analytics.js

21 ms

collect

collect

13 ms

collect

collect

26 ms

js

js

66 ms

stylesheet.css

stylesheet.css

317 ms

stylesheet.min.css

stylesheet.min.css

314 ms

likebox.php

likebox.php

96 ms

bg-body.gif

bg-body.gif

133 ms

loading2.gif

loading2.gif

132 ms

bezpecny-nakup.png

bezpecny-nakup.png

132 ms

bg-container.gif

bg-container.gif

131 ms

bg-header.jpg

bg-header.jpg

123 ms

logo-bryle-domu.svg

logo-bryle-domu.svg

132 ms

bryle-domu-slogan.png

bryle-domu-slogan.png

209 ms

top-banner-bg.jpg

top-banner-bg.jpg

230 ms

banner-89-miyosmart-1683273225-desktop.jpg

banner-89-miyosmart-1683273225-desktop.jpg

228 ms

banner-92-miyosmart-nyni-v-akci-1709623593-desktop.jpg

banner-92-miyosmart-nyni-v-akci-1709623593-desktop.jpg

322 ms

banner-90-optika-smichov-1692189776-desktop.jpg

banner-90-optika-smichov-1692189776-desktop.jpg

509 ms

banner_bd_mf_akce.jpg

banner_bd_mf_akce.jpg

320 ms

carousel.png

carousel.png

311 ms

zkusit-bryle-online-bg.jpg

zkusit-bryle-online-bg.jpg

330 ms

small-arrow-icon.png

small-arrow-icon.png

331 ms

overeny-zakaznik.gif

overeny-zakaznik.gif

415 ms

stars_pl_20.gif

stars_pl_20.gif

429 ms

reviews-map.png

reviews-map.png

429 ms

stars_pl.gif

stars_pl.gif

432 ms

bg-category.gif

bg-category.gif

431 ms

h2-category02.gif

h2-category02.gif

519 ms

h2-category01.gif

h2-category01.gif

533 ms

h2-category05.gif

h2-category05.gif

534 ms

h2-category04.gif

h2-category04.gif

536 ms

h2-category06.gif

h2-category06.gif

536 ms

h2-category03.gif

h2-category03.gif

611 ms

h2-category07.gif

h2-category07.gif

626 ms

bg-category-bottom.gif

bg-category-bottom.gif

635 ms

ico-arrow.gif

ico-arrow.gif

635 ms

btn-send.gif

btn-send.gif

638 ms

kosik-icon.png

kosik-icon.png

637 ms

btn-topnav-home.png

btn-topnav-home.png

712 ms

btn-topnav-help.png

btn-topnav-help.png

727 ms

btn-topnav-faq.png

btn-topnav-faq.png

737 ms

btn-topnav-clients.png

btn-topnav-clients.png

738 ms

gjs.php

gjs.php

463 ms

bg-footer.gif

bg-footer.gif

713 ms

all.js

all.js

60 ms

web.js

web.js

488 ms

destination

destination

63 ms

lib

lib

874 ms

all.js

all.js

11 ms

GdFGhXfmgSQ.css

GdFGhXfmgSQ.css

47 ms

heureka-logo-small-cs.png

heureka-logo-small-cs.png

616 ms

1000-recenzi-img.png

1000-recenzi-img.png

689 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

702 ms

vyzkousejte-si-je-online.png

vyzkousejte-si-je-online.png

714 ms

zkusit-bryle-img.png

zkusit-bryle-img.png

711 ms

nove-icon.png

nove-icon.png

707 ms

female-icon.png

female-icon.png

642 ms

okula-of-798-F13-tn.jpg

okula-of-798-F13-tn.jpg

692 ms

ray-ban-6465-49-3136-tn.jpg

ray-ban-6465-49-3136-tn.jpg

705 ms

retargeting.js

retargeting.js

589 ms

polar-gold-c48-77-tn.jpg

polar-gold-c48-77-tn.jpg

103 ms

green-phone-logo.png

green-phone-logo.png

104 ms

Accessibility Review

bryle-domu.cz accessibility score

87

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.

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

Low

No form fields have multiple labels

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

SEO Factors

bryle-domu.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 Bryle-domu.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-domu.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-domu.cz

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