Tools & Wizards About Us
a.cz screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% 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

  • 85

    SEO

    Google-friendlier than
    55% of websites

a.cz

EVA.cz - zbo?? pro dom?cnost, d?lnu i zahradu

Page Load Speed

9.4 sec in total

First Response

419 ms

Resources Loaded

8.4 sec

Page Rendered

578 ms

a.cz screenshot

About Website

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

Akce: Doprava jen 39 K? na v?dejn? m?sta PPL Smart v cel? ?R. Bal?kovna za 40 K?, Z?silkovna za 44 K?. Shop roku 2023, v?t?z v kategorii Obchodn? domy. V?ce ne? 10 tis?c v?dejn?ch m?st. ?esk? firma s ...

Visit a.cz

Key Findings

We analyzed A.cz page load time and found that the first response time was 419 ms and then it took 9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

a.cz performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

www.eva.cz

419 ms

bootstrap.min.css

837 ms

c.css

322 ms

jquery-1.11.3.min.js

743 ms

tether.min.js

638 ms

Our browser made a total of 328 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original A.cz, 15% (50 requests) were made to Eva.cz and 2% (6 requests) were made to Api.mapy.cz. The less responsive or slowest element that took the longest time to load (947 ms) relates to the external source Im.eva.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 701.2 kB (11%)

Content Size

6.2 MB

After Optimization

5.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A.cz main page is 6.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 299.1 kB

  • Original 351.1 kB
  • After minification 347.9 kB
  • After compression 52.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 299.1 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 382.6 kB

  • Original 5.5 MB
  • After minification 5.2 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. A images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 16.3 kB

  • Original 283.8 kB
  • After minification 283.8 kB
  • After compression 267.5 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

-6%

Potential reduce by 3.1 kB

  • Original 51.7 kB
  • After minification 51.7 kB
  • After compression 48.6 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. A.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 42 (13%)

Requests Now

326

After Optimization

284

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 326 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A. 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 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.eva.cz

www.eva.cz

419 ms

bootstrap.min.css

bootstrap.min.css

837 ms

c.css

c.css

322 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

743 ms

tether.min.js

tether.min.js

638 ms

popper.min.js

popper.min.js

656 ms

bootstrap.min.js

bootstrap.min.js

895 ms

common.js

common.js

655 ms

font-awesome.min.css

font-awesome.min.css

327 ms

css

css

29 ms

jquery.lazy.min.js

jquery.lazy.min.js

327 ms

jquery.mb.browser.min.js

jquery.mb.browser.min.js

741 ms

ion.rangeSlider.min.js

ion.rangeSlider.min.js

860 ms

ion.rangeSlider.css

ion.rangeSlider.css

758 ms

ion.rangeSlider.skinFlat.css

ion.rangeSlider.skinFlat.css

856 ms

autocomplete.js

autocomplete.js

856 ms

loader.js

loader.js

695 ms

cookieconsent.js

cookieconsent.js

338 ms

rc.js

rc.js

854 ms

jBox.css

jBox.css

863 ms

jBox.js

jBox.js

938 ms

bootstrap-pincode-input.css

bootstrap-pincode-input.css

946 ms

bootstrap-pincode-input.js

bootstrap-pincode-input.js

947 ms

cookieconsent-init.js

cookieconsent-init.js

331 ms

api.js

api.js

15 ms

jquery.bcSwipe.min.js

jquery.bcSwipe.min.js

315 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

314 ms

firebase.js

firebase.js

51 ms

alertify.js

alertify.js

209 ms

alertify.core.css

alertify.core.css

280 ms

alertify.zs.css

alertify.zs.css

223 ms

push-support.js

push-support.js

226 ms

virtual-key.js

virtual-key.js

98 ms

smap-jak.js

smap-jak.js

584 ms

config.js

config.js

382 ms

cs.js

cs.js

316 ms

smap-jak.css

smap-jak.css

324 ms

retargeting.js

retargeting.js

108 ms

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826 ms

cart-32-black.png

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127 ms

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189 ms

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128 ms

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preload.png

129 ms

mc_secured.gif

mc_secured.gif

128 ms

vs_verified.gif

vs_verified.gif

253 ms

maestro.gif

maestro.gif

253 ms

mastercard.gif

mastercard.gif

253 ms

logo-eva-mobile-cz.png

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254 ms

cookieconsent.css

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361 ms

fontawesome-webfont.woff

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612 ms

audio.png

audio.png

368 ms

bila.png

bila.png

368 ms

domaci.png

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369 ms

drogerie.png

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369 ms

dilna.png

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459 ms

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463 ms

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463 ms

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464 ms

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585 ms

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586 ms

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630 ms

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font

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650 ms

666383c65763bea85d1525e53238b4dc_180.jpg

666383c65763bea85d1525e53238b4dc_180.jpg

699 ms

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7282d5376d0a83e6a1d538d073b4aec8_180.jpg

636 ms

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643 ms

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22632e4294897dea69cb9253bd95fdfd_180.jpg

649 ms

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5e5bb00e932586debff1fb2524c302b7_180.jpg

634 ms

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551edb97ed5b438aaefb5e0e30870847_180.jpg

648 ms

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44a1effeb3f8467db8f0641c0addb98a_180.jpg

692 ms

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87e742bce297c706888edea6f64b7aff_180.jpg

662 ms

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0efec9e51a9beabb000ca1358ab68f3f_180.jpg

630 ms

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2591749eb2188c66b217890ca71ec0ae_180.jpg

634 ms

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e1bd94435ecbf259bbc71619e1749d37_180.jpg

639 ms

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cd08115b73ccd9447bbde563eabbe24a_180.jpg

659 ms

7856e0e528fdc4a9d01b97f43bd4c655_180.jpg

7856e0e528fdc4a9d01b97f43bd4c655_180.jpg

689 ms

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ff19274c5b3c4b31bbcc5607e40bcd2e_180.jpg

635 ms

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6bf02d4ccf2a2ac4d722786a9ad24fde_180.jpg

641 ms

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653 ms

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47514be6c61d4474d12d5b8258a67b5b_180.jpg

677 ms

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1f11f640261648f7d74c8765788eb0bb_180.jpg

639 ms

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55626bb35ef76cb85ef8cbf489921475_180.png

690 ms

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0339ea8f43532f3db53493e6790531b0_180.jpg

635 ms

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c76bd9355d000bddfab42fb2caa3e077_180.jpg

646 ms

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2ae91f98d79f2782b57fe1086494e78e_180.jpg

665 ms

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e483115a35cad445a56d46537fb737a9_180.jpg

656 ms

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681 ms

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9b425e3c8829f4428f6bb404f21bb417_180.png

670 ms

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635 ms

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8a61967d14186d07ffb14894ed082389_180.jpg

665 ms

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5fede6b7fe7e1b77b32698b72b8a359b_180.jpg

660 ms

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3a3bae2a3c07fa33fd33fab98091a021_180.jpg

681 ms

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c3fa99de47d5905dea0cd5b80d096f74_180.jpg

703 ms

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ea25b549c6869d2d7e630c6b582643ab_180.jpg

646 ms

867c5ccc524e7e342955279e5d164c17_180.jpg

867c5ccc524e7e342955279e5d164c17_180.jpg

635 ms

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d9bdd42a807e04785f788bd81c0ed69d_180.png

664 ms

d62197cf3ae52bcfee8df6bbef0608cf_180.jpg

d62197cf3ae52bcfee8df6bbef0608cf_180.jpg

685 ms

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b4a22d93e7f1b8ebb7c05c3b74e2d8c2_180.jpg

701 ms

cec59e0dbd487ec4bed4f10703d49f10_180.jpg

cec59e0dbd487ec4bed4f10703d49f10_180.jpg

688 ms

5e1e1dcbde22a3259548ba604b058855_180.jpg

5e1e1dcbde22a3259548ba604b058855_180.jpg

635 ms

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e8460bce6d46ce2e3d3c39468878b3a2_180.jpg

652 ms

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94507336158a9c226caa140a32166e4e_180.jpg

664 ms

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9f8065c6f663a4fd16ace5abf5f2d506_180.jpg

712 ms

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6735ed89d9760646a00389be31eb868d_180.jpg

730 ms

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54df471ce30bf024aae90267d73ac942_180.png

693 ms

8925351ddc84b73137110e05e6345067_180.jpg

8925351ddc84b73137110e05e6345067_180.jpg

635 ms

019189ad9121e3b5a316c7e06ce9731e_180.jpg

019189ad9121e3b5a316c7e06ce9731e_180.jpg

666 ms

b36b6a316c7f1a35ae4b4f4994945a54_180.jpg

b36b6a316c7f1a35ae4b4f4994945a54_180.jpg

654 ms

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704 ms

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c081df27b206c413efb4dae26872c87d_180.jpg

742 ms

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66281fca6c2f224dc790da49dd080a47_180.jpg

689 ms

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36175a37239e64c5227306c8514d558a_180.jpg

674 ms

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664 ms

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2081d182e600bead22f82dad76f4ba53_180.jpg

661 ms

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a1145a674315cb83195fa9045b65f692_180.jpg

692 ms

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689 ms

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3a3a4102f73f374661db92e8e9146e77_180.jpg

740 ms

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7fb560a73f7a98f6fad12b330467085c_180.jpg

675 ms

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bdd91596fbc982c516cc67037425f305_180.jpg

723 ms

116f7d1681778d8035d25a6b3b9843d4_180.jpg

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669 ms

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be47aeaf260f40bd39699234cdf3e02d_180.jpg

682 ms

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0b4e89965f157f362a686871a5741408_180.jpg

682 ms

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8fd58f3ad19fe6b267076cd684a3adeb_180.jpg

684 ms

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be2bbf13a0e4542de9a12ea401b28e23_180.jpg

717 ms

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961cae3fdf64403f18646d1f45f241ab_180.jpg

721 ms

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ac4d6bd52873dec1f23b24d9f9be33f9_180.jpg

682 ms

ae8a262f2345f3f574bdeb03897996d3_180.jpg

ae8a262f2345f3f574bdeb03897996d3_180.jpg

751 ms

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994972bce12700f7cf4b72dc183d793f_180.jpg

663 ms

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0bb285d176b6384883585980fc963dc0_180.jpg

675 ms

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139b46178d942d681d70e7ce226a6224_180.jpg

721 ms

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fa0e1da742bf160266ebbf9927be3995_180.jpg

743 ms

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9c4b6c6b9c2216cf34afaa364804b7d8_180.jpg

682 ms

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73f4ea390decfca94bfd3671bf1498c1_180.jpg

662 ms

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54fef61211c7c0cc917eb4b47aa379b1_180.png

681 ms

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d15c0e826bc184d163c21363cdad08e7_180.png

775 ms

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087faa632d29f1a2a5714a2f36ea868b_180.jpg

744 ms

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7c880155a9f211ddc00595a06e9619e1_180.jpg

698 ms

9153f22c9a3ea34b74d7dac8275c79ad_180.jpg

9153f22c9a3ea34b74d7dac8275c79ad_180.jpg

690 ms

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3441a558d3f02e3b32436141627c9287_180.jpg

662 ms

c4fa9c077ca52ccffaead114ea76d28d_180.jpg

c4fa9c077ca52ccffaead114ea76d28d_180.jpg

671 ms

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72796426d15dd22c520bcd2b450d6cd5_180.jpg

723 ms

6182bcd2bb5eba73b3310c74bd91e7d4_180.jpg

6182bcd2bb5eba73b3310c74bd91e7d4_180.jpg

715 ms

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607f7dafb9788a250618816e357a25ae_180.png

860 ms

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14f40501402495a411228cc97e93d08f_180.jpg

720 ms

f05803d6f978660c901e522b2a4f8f36_180.jpg

f05803d6f978660c901e522b2a4f8f36_180.jpg

756 ms

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cd6e8b301fdcb09fe2c5c764e2cab1c9_180.png

665 ms

22b1bb02620637a4c4f8b54827a40d98_180.jpg

22b1bb02620637a4c4f8b54827a40d98_180.jpg

684 ms

bdbfd4ad135e0b6dc35bfe5410ce874e_180.jpg

bdbfd4ad135e0b6dc35bfe5410ce874e_180.jpg

691 ms

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720 ms

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0154282b07bc6fe5efa06d3babd9d340_180.jpg

714 ms

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013e0fa3bed8fbd463cf60b4a7f61cff_180.jpg

730 ms

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49143a427487b263d483c4e3fed6565e_180.jpg

732 ms

6cf568716f1a3d0e4014b4f30b1be860_180.jpg

6cf568716f1a3d0e4014b4f30b1be860_180.jpg

799 ms

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de44096b5d85b3ae9c44ffd6590aef92_180.jpg

692 ms

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fd4f376025b48482c79928a5c79083c0_180.jpg

699 ms

01b7c573ea56e5cb14e724d346a4025e_180.jpg

01b7c573ea56e5cb14e724d346a4025e_180.jpg

722 ms

a3b1b6443f7acd942b528e96af5ab767_180.jpg

a3b1b6443f7acd942b528e96af5ab767_180.jpg

727 ms

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eeab5804a2111281fc10a8e208de9b23_180.jpg

731 ms

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bac8f26eb1e4830458562ad759356f4f_180.jpg

105 ms

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1513f492e89d1e81a41bb7c9cddee12f_180.jpg

254 ms

77c8143371e73bbee98b77f73928c190_180.jpg

77c8143371e73bbee98b77f73928c190_180.jpg

106 ms

4fe3a4bdd26341f0dd1e0d1f985abf3c_180.jpg

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182 ms

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108 ms

ce7cc2614c4b2cea5d527575fe2dfb7a_180.jpg

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107 ms

b2a994e671e54d3ef0c0ff1f360f5585_180.jpg

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208 ms

8fdcf2dc0b8c44dca5eb31e72548b67a_180.jpg

8fdcf2dc0b8c44dca5eb31e72548b67a_180.jpg

211 ms

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a8bf794a67c2107e7842175641be5d60_180.jpg

210 ms

ee163a0398865ffddd08871ddb44ccc9_180.jpg

ee163a0398865ffddd08871ddb44ccc9_180.jpg

215 ms

e6f842a42e04428c0667c9a1e26fc621_180.jpg

e6f842a42e04428c0667c9a1e26fc621_180.jpg

352 ms

8aa6dafe27ae03f235c3ee2de48008ed_180.jpg

8aa6dafe27ae03f235c3ee2de48008ed_180.jpg

311 ms

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55629c650f565048ad881f146fd7d2c6_180.jpg

316 ms

3a7511708c2fd7e11916a703941fff29_180.jpg

3a7511708c2fd7e11916a703941fff29_180.jpg

313 ms

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94edc5187e78f52e16c7e0fd330ee957_180.jpg

320 ms

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58b7df85a1fc04dc7ba757f9e98bdc67_180.jpg

383 ms

456026db6a57fd448f6e7953e07e96e7_180.jpg

456026db6a57fd448f6e7953e07e96e7_180.jpg

416 ms

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a680016e53eadf5feda1f1f400c912b5_180.jpg

416 ms

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419 ms

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423 ms

ba47e8a8949ec2b858fb5c0cfb3f6ee9_180.jpg

ba47e8a8949ec2b858fb5c0cfb3f6ee9_180.jpg

527 ms

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0f5552bdfe078ba77c93f307b4237d98_180.jpg

516 ms

c0a6d2160dcd6d1a33809dd558c00582_180.jpg

c0a6d2160dcd6d1a33809dd558c00582_180.jpg

519 ms

0e1ea0673b77760ea57f5e924f9c6729_180.jpg

0e1ea0673b77760ea57f5e924f9c6729_180.jpg

519 ms

2019bd2e722e49472789f24429501a40_180.jpg

2019bd2e722e49472789f24429501a40_180.jpg

523 ms

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d2aba8baa48020cbb1c77082143920c0_180.jpg

527 ms

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f2ef7cc9e21dfea9e9253fdfdbd9bf4d_180.jpg

646 ms

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621 ms

5c69e9a77544da0deff4ca8db06ed280_180.jpg

5c69e9a77544da0deff4ca8db06ed280_180.jpg

623 ms

3ed3d80ccd9e3025ce8aa5327ce2ff47_180.jpg

3ed3d80ccd9e3025ce8aa5327ce2ff47_180.jpg

626 ms

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cac086d36a2826c1ad467f38924a4417_180.jpg

704 ms

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b99cbef8e5c29325a84b60910e74118b_180.jpg

639 ms

71cf13f022aa420b88ca2c14de7a1770_180.jpg

71cf13f022aa420b88ca2c14de7a1770_180.jpg

725 ms

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1d88b6acb247d15338a385bed14067e6_180.jpg

725 ms

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733980cd416e1210334bf54c551b22d2_180.jpg

730 ms

5e735f730dbddf218fe1c972db456d31_180.jpg

5e735f730dbddf218fe1c972db456d31_180.jpg

753 ms

bbd6da298d23607d4515e3126253d306_180.jpg

bbd6da298d23607d4515e3126253d306_180.jpg

678 ms

83ce2ecfabb163403ccd2cf80065ee18_180.jpg

83ce2ecfabb163403ccd2cf80065ee18_180.jpg

773 ms

36904070c95ac74db53ade6e549d7e6a_180.jpg

36904070c95ac74db53ade6e549d7e6a_180.jpg

724 ms

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b8c0b8284309b50214800f148540e83d_180.jpg

719 ms

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325e04ec1bd9c73b9fc93077b8de308b_180.jpg

655 ms

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c4d3768ef7259563670fc9c5df1ae1db_180.jpg

664 ms

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698 ms

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79c16db44a42ecb168acf5e86119ec7b_180.jpg

721 ms

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3922397cf97e87c43c91fa17be6050bb_180.jpg

719 ms

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689 ms

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1477fe8e04b53a2c1bb486bfd062e7f2_180.jpg

664 ms

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cec7c3875c483923a57ee2e9221ef015_180.jpg

734 ms

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005406345697ea85f56e80a27ba1e08c_180.jpg

837 ms

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0d074a81c66e897950c7eee4c676ad21_180.jpg

717 ms

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70ffaf9dfc97d04ac0ce5025361c2369_180.jpg

691 ms

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67f3c6dca8c9a4ff2295c16d9f7bf9de_180.png

662 ms

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c0a0cf52fc30a9a9af7beb3d1521dba6_180.jpg

673 ms

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a4587adfb949bb7555df1205ae2143e6_180.jpg

724 ms

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2ecc13a109d832ce404ab1a4a3cc3ecb_180.jpg

725 ms

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723 ms

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699 ms

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690 ms

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726 ms

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725 ms

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314371b9293b09d3bb39a4fd7ca3713f_180.jpg

726 ms

Accessibility Review

a.cz accessibility score

83

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a valid value for its [lang] attribute.

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

a.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

a.cz SEO score

85

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

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

    N/A

  • Language Claimed

    WI

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is . Our system also found out that A.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

a.cz

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