Tools & Wizards About Us
deers.cz screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

deers.cz

Originální jelení šperky a laně Kamily Písaříkové | Deers.cz

Page Load Speed

3.4 sec in total

First Response

408 ms

Resources Loaded

2.7 sec

Page Rendered

297 ms

deers.cz screenshot

About Website

Click here to check amazing Deers content. Otherwise, check out these important facts you probably never knew about deers.cz

Jelení šperky a laně Kamily Písaříkové. Nejširší nabídka jeleních broží, náramků i přívěšků. Objevte nové kolekce na eshopu nebo v showroomu v centru Prahy.

Visit deers.cz

Key Findings

We analyzed Deers.cz page load time and found that the first response time was 408 ms and then it took 3 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

deers.cz performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value7.1 s

30/100

10%

TBT (Total Blocking Time)

Value760 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0.125

83/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

deers.cz

408 ms

www.deers.cz

599 ms

raleway.css

487 ms

font-shoptet-12.css.af9d3dc39b7cff53ea55.css

493 ms

main-12.less.3217f3b9c20ed05d1cb3.css

682 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Deers.cz, 34% (11 requests) were made to Static.xx.fbcdn.net and 34% (11 requests) were made to Cdn.myshoptet.com. The less responsive or slowest element that took the longest time to load (736 ms) relates to the external source Cdn.myshoptet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.8 kB (26%)

Content Size

595.9 kB

After Optimization

442.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Deers.cz main page is 595.9 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. 60% of websites need less resources to load. Images take 400.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 143.4 kB

  • Original 166.3 kB
  • After minification 119.3 kB
  • After compression 22.9 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 47.0 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 143.4 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 10.4 kB

  • Original 400.2 kB
  • After minification 389.8 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. Deers images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 29.4 kB
  • After minification 29.4 kB
  • After compression 29.4 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.

Requests Breakdown

Number of requests can be reduced by 20 (69%)

Requests Now

29

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deers.cz

deers.cz

408 ms

www.deers.cz

www.deers.cz

599 ms

raleway.css

raleway.css

487 ms

font-shoptet-12.css.af9d3dc39b7cff53ea55.css

font-shoptet-12.css.af9d3dc39b7cff53ea55.css

493 ms

main-12.less.3217f3b9c20ed05d1cb3.css

main-12.less.3217f3b9c20ed05d1cb3.css

682 ms

mobile-header-v1-12.less.772ad895a72e5c7df573.css

mobile-header-v1-12.less.772ad895a72e5c7df573.css

512 ms

js

js

59 ms

sdk.js

sdk.js

21 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

504 ms

main-3g.js.ac93f531950302cca75e.js

main-3g.js.ac93f531950302cca75e.js

736 ms

datepicker-cs.js

datepicker-cs.js

485 ms

deers_logo_fialova.png

deers_logo_fialova.png

119 ms

banner_deers.jpg

banner_deers.jpg

398 ms

shoptetLogo.svg

shoptetLogo.svg

120 ms

sdk.js

sdk.js

40 ms

fbevents.js

fbevents.js

28 ms

shoptet.01a67e6cbea375865ddf.woff

shoptet.01a67e6cbea375865ddf.woff

187 ms

ecmtr-2.4.2.1.js

ecmtr-2.4.2.1.js

35 ms

page.php

page.php

113 ms

J8EZh-mB0NT.css

J8EZh-mB0NT.css

25 ms

odEcj4EBDzB.js

odEcj4EBDzB.js

35 ms

o1ndYS2og_B.js

o1ndYS2og_B.js

28 ms

Ez8TaPyQZ7-.js

Ez8TaPyQZ7-.js

32 ms

s23ZuKml3wQ.js

s23ZuKml3wQ.js

64 ms

_uEhsxKAS3c.js

_uEhsxKAS3c.js

32 ms

9f_Alkp5qWb.js

9f_Alkp5qWb.js

29 ms

p55HfXW__mM.js

p55HfXW__mM.js

31 ms

326821445_518571376929569_7486707225540261630_n.jpg

326821445_518571376929569_7486707225540261630_n.jpg

202 ms

e-09qslM9lx.js

e-09qslM9lx.js

15 ms

EIDMHaVPVS4.js

EIDMHaVPVS4.js

6 ms

327186552_687745636326912_7068885852215886244_n.jpg

327186552_687745636326912_7068885852215886244_n.jpg

32 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

6 ms

Accessibility Review

deers.cz accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

deers.cz best practices score

75

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

SEO Factors

deers.cz SEO score

99

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

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 Deers.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 Deers.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

deers.cz

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