Tools & Wizards About Us
vlahova.cz screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

vlahova.cz

Jasněna Vláhová Design (JVD)

Page Load Speed

5.8 sec in total

First Response

379 ms

Resources Loaded

3.5 sec

Page Rendered

1.9 sec

vlahova.cz screenshot

About Website

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

Jako rodinná firma Jasněna Vláhová s.r.o. stojíme za několika úspěšnými značkami hodinářského a šperkařského zboží a dodáváme tyto produkty do téměř dvou tisíc obchodů v celé Evropě.

Visit vlahova.cz

Key Findings

We analyzed Vlahova.cz page load time and found that the first response time was 379 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

vlahova.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.737

6/100

15%

TTI (Time to Interactive)

Value27.2 s

0/100

10%

Network Requests Diagram

vlahova.cz

379 ms

vlahova.cz

625 ms

coo.js

808 ms

style-jvd.min.css

768 ms

api.js

13 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 98% of them (105 requests) were addressed to the original Vlahova.cz, 1% (1 request) were made to Incube.cz and 1% (1 request) were made to Challenges.cloudflare.com. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Vlahova.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 MB (36%)

Content Size

6.3 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vlahova.cz main page is 6.3 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. 65% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 95.2 kB

  • Original 107.1 kB
  • After minification 70.4 kB
  • After compression 11.9 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 36.7 kB, which is 34% 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 95.2 kB or 89% of the original size.

Image Optimization

-2%

Potential reduce by 89.7 kB

  • Original 3.7 MB
  • After minification 3.6 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. Vlahova images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 959.3 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 354.8 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 959.3 kB or 73% of the original size.

CSS Optimization

-97%

Potential reduce by 1.1 MB

  • Original 1.2 MB
  • After minification 223.9 kB
  • After compression 36.1 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. Vlahova.cz needs all CSS files to be minified and compressed as it can save up to 1.1 MB or 97% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (18%)

Requests Now

101

After Optimization

83

  • Images
  • JavaScript
  • CSS

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vlahova. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

vlahova.cz

vlahova.cz

379 ms

vlahova.cz

vlahova.cz

625 ms

coo.js

coo.js

808 ms

style-jvd.min.css

style-jvd.min.css

768 ms

api.js

api.js

13 ms

jquery-1.11.2.min.js

jquery-1.11.2.min.js

411 ms

App.js

App.js

242 ms

main.min.js

main.min.js

258 ms

main.min.js

main.min.js

856 ms

search.svg

search.svg

87 ms

search_white.svg

search_white.svg

93 ms

wishlist.svg

wishlist.svg

90 ms

wishlist_white.svg

wishlist_white.svg

82 ms

basket.svg

basket.svg

87 ms

basket_white.svg

basket_white.svg

163 ms

hodinky.svg

hodinky.svg

174 ms

prsten.svg

prsten.svg

171 ms

reminek.svg

reminek.svg

175 ms

hodiny.svg

hodiny.svg

182 ms

budik.svg

budik.svg

245 ms

weather.svg

weather.svg

244 ms

stopky.svg

stopky.svg

256 ms

bg.jpg

bg.jpg

259 ms

leaf-top-left.png

leaf-top-left.png

259 ms

leaf-center-left.png

leaf-center-left.png

274 ms

leaf-center-right.png

leaf-center-right.png

324 ms

watch-3.png

watch-3.png

406 ms

leaf-bottom-left.png

leaf-bottom-left.png

341 ms

leaf-bottom-right.png

leaf-bottom-right.png

344 ms

bg.jpg

bg.jpg

343 ms

cubes-top-left.png

cubes-top-left.png

363 ms

cubes-center-left.png

cubes-center-left.png

404 ms

cubes-center-right.png

cubes-center-right.png

427 ms

watch-2.png

watch-2.png

429 ms

cubes-bottom.png

cubes-bottom.png

429 ms

cubes-bottom-right.png

cubes-bottom-right.png

454 ms

bg.jpg

bg.jpg

485 ms

shape-top-left.png

shape-top-left.png

486 ms

shape-top-right.png

shape-top-right.png

512 ms

shape-bottom-center_before.png

shape-bottom-center_before.png

514 ms

watch-2.png

watch-2.png

515 ms

shape-center-left.png

shape-center-left.png

544 ms

shape-bottom-left.png

shape-bottom-left.png

658 ms

shape-bottom-right.png

shape-bottom-right.png

566 ms

proximanova-regular-webfont.woff

proximanova-regular-webfont.woff

620 ms

proximanova-regularit-webfont.woff

proximanova-regularit-webfont.woff

522 ms

proximanova-light-webfont.woff

proximanova-light-webfont.woff

530 ms

proximanova-bold-webfont.woff

proximanova-bold-webfont.woff

552 ms

bg.jpg

bg.jpg

573 ms

ball-top-left.png

ball-top-left.png

603 ms

ball-top-right.png

ball-top-right.png

532 ms

ball-top-center.png

ball-top-center.png

558 ms

ball-shadow-center-right.png

ball-shadow-center-right.png

557 ms

jewelry_shadow.png

jewelry_shadow.png

558 ms

jewelry-2.png

jewelry-2.png

590 ms

ball-shadow-left.png

ball-shadow-left.png

531 ms

ball-bottom-right.png

ball-bottom-right.png

531 ms

ambassador_marpo.jpg

ambassador_marpo.jpg

553 ms

ambassador_anna.jpg

ambassador_anna.jpg

564 ms

ambassador_lucypug.jpg

ambassador_lucypug.jpg

553 ms

ambassador_gogoman.jpg

ambassador_gogoman.jpg

584 ms

Trouble-Gang-Limited-edition.png

Trouble-Gang-Limited-edition.png

538 ms

JTS13-predek.png

JTS13-predek.png

520 ms

peony_dream.png

peony_dream.png

627 ms

094.png

094.png

630 ms

ghjhbkj.png

ghjhbkj.png

549 ms

icon-instagram_gray.svg

icon-instagram_gray.svg

539 ms

6.png

6.png

543 ms

4.png

4.png

521 ms

3.png

3.png

575 ms

j-ts58.png

j-ts58.png

599 ms

je1011.2_b.png

je1011.2_b.png

580 ms

AC-069.png

AC-069.png

550 ms

je1010.3-1.png

je1010.3-1.png

645 ms

j4194.2.png

j4194.2.png

623 ms

SUN-S26.png

SUN-S26.png

580 ms

Trouble-Gang-Limited-edition.png

Trouble-Gang-Limited-edition.png

684 ms

jc635.2-2.png

jc635.2-2.png

578 ms

date_calnedar.svg

date_calnedar.svg

554 ms

device_displays_time.svg

device_displays_time.svg

574 ms

10_atm.svg

10_atm.svg

572 ms

stainless_steel_case.svg

stainless_steel_case.svg

564 ms

IPBlack_surface_finish.svg

IPBlack_surface_finish.svg

552 ms

hardened_mineral_crystal.svg

hardened_mineral_crystal.svg

557 ms

J-TS46-1.png

J-TS46-1.png

859 ms

5_atm.svg

5_atm.svg

594 ms

IPRose_surface_finish.svg

IPRose_surface_finish.svg

591 ms

japanese_movement_miyota.svg

japanese_movement_miyota.svg

566 ms

453973173_18322724275181157_3711146013652766014_n.jpg

453973173_18322724275181157_3711146013652766014_n.jpg

647 ms

452710447_18321590032181157_7101398080959103931_n.jpg

452710447_18321590032181157_7101398080959103931_n.jpg

649 ms

451389365_18320453032181157_2367469922890541370_n.jpg

451389365_18320453032181157_2367469922890541370_n.jpg

858 ms

450387176_18319551574181157_7846930735253137735_n.jpg

450387176_18319551574181157_7846930735253137735_n.jpg

610 ms

icon-instagram_black.svg

icon-instagram_black.svg

611 ms

453671094_1018686783042848_3266220213718068387_n.jpg

453671094_1018686783042848_3266220213718068387_n.jpg

727 ms

448175682_417516371263011_6548245509745640824_n.jpg

448175682_417516371263011_6548245509745640824_n.jpg

731 ms

447935519_1147043646419383_4417561872718696017_n.jpg

447935519_1147043646419383_4417561872718696017_n.jpg

649 ms

436549335_1498489444036633_5754060695243965858_n.jpg

436549335_1498489444036633_5754060695243965858_n.jpg

616 ms

icon-instagram.svg

icon-instagram.svg

698 ms

icon-facebook.svg

icon-facebook.svg

699 ms

icon-youtube.svg

icon-youtube.svg

707 ms

masterc.svg

masterc.svg

682 ms

visa.svg

visa.svg

694 ms

maestro-pay-logo.svg

maestro-pay-logo.svg

699 ms

jvd.svg

jvd.svg

679 ms

logo-incube.svg

logo-incube.svg

727 ms

logo-incube-color.svg

logo-incube-color.svg

703 ms

search_big.svg

search_big.svg

684 ms

Accessibility Review

vlahova.cz accessibility score

84

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vlahova.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vlahova.cz SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Vlahova.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 Vlahova.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

vlahova.cz

Open Graph description is not detected on the main page of Vlahova. 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: