Tools & Wizards About Us
olpran.cz screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

olpran.cz

Když kolo, tak Olpran... - OLPRAN spol. s r. o.

Page Load Speed

4.9 sec in total

First Response

501 ms

Resources Loaded

3.3 sec

Page Rendered

1.2 sec

olpran.cz screenshot

About Website

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

Když kolo, tak Olpran.... Firma OLPRAN spol. s r. o. má již více než 30 let zkušeností v oboru jízdních kol a je to jedna z nejvýznamnějších českých značek v této oblasti. Naše firma se zaměřuje na vý...

Visit olpran.cz

Key Findings

We analyzed Olpran.cz page load time and found that the first response time was 501 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

olpran.cz performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value4,040 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

olpran.cz

501 ms

www.olpran.cz

599 ms

source-sans-3.css

484 ms

exo-2.css

487 ms

webfont.js

35 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Olpran.cz, 62% (34 requests) were made to Cdn.myshoptet.com and 9% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (827 ms) relates to the external source Cdn.myshoptet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.0 kB (3%)

Content Size

2.9 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Olpran.cz main page is 2.9 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. Only a small number of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 82.7 kB

  • Original 102.6 kB
  • After minification 85.9 kB
  • After compression 19.9 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 16.7 kB, which is 16% 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 82.7 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

  • Original 2.5 MB
  • After minification 2.5 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. Olpran images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

  • Original 221.4 kB
  • After minification 221.4 kB
  • After compression 218.4 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.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 58.7 kB
  • After minification 58.7 kB
  • After compression 58.7 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. Olpran.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (50%)

Requests Now

48

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olpran. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

olpran.cz

olpran.cz

501 ms

www.olpran.cz

www.olpran.cz

599 ms

source-sans-3.css

source-sans-3.css

484 ms

exo-2.css

exo-2.css

487 ms

webfont.js

webfont.js

35 ms

bootstrap.min.css

bootstrap.min.css

490 ms

jquery-ui.css

jquery-ui.css

494 ms

font-shoptet.css

font-shoptet.css

495 ms

font-shoptet-11.css.0fbc09a23903ed718fd6.css

font-shoptet-11.css.0fbc09a23903ed718fd6.css

507 ms

slick.css

slick.css

576 ms

animate.css

animate.css

578 ms

screen.min.css

screen.min.css

767 ms

pixel.js

pixel.js

47 ms

js

js

84 ms

sdk.js

sdk.js

30 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

590 ms

main-3g.js.6dcb879ed3595fa234ac.js

main-3g.js.6dcb879ed3595fa234ac.js

827 ms

datepicker-cs.js

datepicker-cs.js

513 ms

slick.min.js

slick.min.js

578 ms

scroll-animation.js

scroll-animation.js

580 ms

scripts.min.js

scripts.min.js

610 ms

logo_olpran.png

logo_olpran.png

277 ms

baner30.jpg

baner30.jpg

701 ms

sava_ban.jpg

sava_ban.jpg

308 ms

xc_ban.jpg

xc_ban.jpg

703 ms

olp_ban%20(1)%20kopie.jpg

olp_ban%20(1)%20kopie.jpg

702 ms

baner-one-1_2x-min.png

baner-one-1_2x-min.png

702 ms

baner-one-2_2x-min.png

baner-one-2_2x-min.png

704 ms

baner-one-3_2x-min.png

baner-one-3_2x-min.png

701 ms

baner-one-4_2x-min_kopieekola.png

baner-one-4_2x-min_kopieekola.png

733 ms

baner-one-5_2x-min.png

baner-one-5_2x-min.png

703 ms

12856_27-5--deck-9-2-blue.jpg

12856_27-5--deck-9-2-blue.jpg

703 ms

12859_a.png

12859_a.png

705 ms

569_ferita-mid-silver.jpg

569_ferita-mid-silver.jpg

731 ms

563_maot--over-green.jpg

563_maot--over-green.jpg

730 ms

shoptetLogo.svg

shoptetLogo.svg

729 ms

DkVdOrT3WvI

DkVdOrT3WvI

247 ms

search-grey.svg

search-grey.svg

669 ms

cart.svg

cart.svg

669 ms

js

js

87 ms

sdk.js

sdk.js

46 ms

shoptet.6e8f4afc40ce501eee9c.woff

shoptet.6e8f4afc40ce501eee9c.woff

741 ms

icons.ttf

icons.ttf

739 ms

104 ms

www-player.css

www-player.css

11 ms

www-embed-player.js

www-embed-player.js

37 ms

base.js

base.js

69 ms

ad_status.js

ad_status.js

177 ms

9Z66e_kIUHiT36NNaH3ECtVnZbQwRKz1JAady_W2534.js

9Z66e_kIUHiT36NNaH3ECtVnZbQwRKz1JAady_W2534.js

137 ms

embed.js

embed.js

64 ms

AIdro_mRHHnEh9_zYSaICHy-siPGNCgA2hmZsJlOntjS4lg=s68-c-k-c0x00ffffff-no-rj

AIdro_mRHHnEh9_zYSaICHy-siPGNCgA2hmZsJlOntjS4lg=s68-c-k-c0x00ffffff-no-rj

226 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

55 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

56 ms

id

id

28 ms

Create

Create

158 ms

Accessibility Review

olpran.cz accessibility score

85

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.

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

High

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

olpran.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

olpran.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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olpran.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 Olpran.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

olpran.cz

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