seznam.cz Seznam - najdu tam, co neznám

Mobile Usability

95/100

Good

Mobile Speed

60/100

Bad

Last tested: 2017-08-27

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seznam.cz Mobile Usability: 95/100
seznam.cz Mobile Usability Test Quick Overview

Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target <a href="https://email.seznam.cz/" class="link link--gadget-title">Email</a> and 7 others are close to other tap targets.
The tap target <a href="https://registrace.seznam.cz/" class="gadget__control link">Založit nový e-mail</a> is close to 1 other tap targets.
The tap target <a href="https://www.kupi.cz/slevy" class="services__link…--show-visited">Akce</a> and 23 others are close to other tap targets.
The tap target <button type="button" class="gadget__contro…_control--sett">Nastavit boxík Seznam Zprávy</button> and 4 others are close to other tap targets.
The tap target <a href="https://www.se…no=2&amp;source=hp" class="article__title…--show-visited">Vlastní krev j…íjejí rakovinu</a> and 13 others are close to other tap targets.
The tap target <button type="button" class="expander__button">Zobrazit více</button> is close to 1 other tap targets.
The tap target <button type="button" class="expander__button">Zobrazit více</button> is close to 1 other tap targets.
The tap target <a href="http://www.sez…ce-z-internetu" class="timeline-artic…--gadget-title">Prostřeno</a> and 6 others are close to other tap targets.
The tap target <a href="https://kariera.seznam.cz/" class="link">Kariéra</a> and 4 others are close to other tap targets.
seznam.cz Mobile Speed: 60/100
seznam.cz Mobile Speed Test Quick Overview

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 10 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.
https://www.seznam.cz/1.26.30/js/client/client-polyfills.min.js
https://www.seznam.cz/1.26.30/js/client/client-babel-runtime.min.js
https://www.seznam.cz/1.26.30/js/client/client-init.min.js
https://www.seznam.cz/1.26.30/js/client/client-bundle-page-hp.min.js
https://h.imedia.cz/js/dot-small.js
https://h.imedia.cz/js/sid.js
https://i.imedia.cz/js/im3.js
https://geo.seznam.cz/static/js/geo.js
https://www.seznam.cz/js/api/login.js
https://www.seznam.cz/1.26.30/js/client/player.bundle.min.js
Optimize CSS Delivery of the following:
https://www.seznam.cz/1.26.30/css/sznplayer.min.css
https://www.seznam.cz/1.26.30/css/homepage-skin-default.min.css
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 145.4KiB (46% reduction).
Compressing https://10.im.cz/sos/7a9/323/7a9323cc0fb63963c5b1d25d81d3ee50.jpeg could save 65.8KiB (48% reduction).
Compressing https://10.im.cz/sos/84f/e92/84fe92d422eedeed1a3796dd983fc4fd.jpeg could save 25.1KiB (46% reduction).
Compressing and resizing https://d32-a.sdn.szn.cz/d_32/c_img_F_I/DXTBZhx.png could save 21.1KiB (96% reduction).
Compressing https://10.im.cz/sos/f15/337/f15337025c76291badfd54527863c95d.jpeg could save 9.2KiB (25% reduction).
Compressing https://10.im.cz/sos/1ea/3cf/1ea3cf8cdb1edbc854088b24b3b47531.jpeg could save 4.9KiB (17% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/d_15081744/img/60/16…rnkfN.png?fl=res,52,,1 could save 3.1KiB (62% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/d_15081794/img/90/16…Jmk6y.png?fl=res,52,,1 could save 2.9KiB (63% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/c_img_E_C/K27C.png?fl=res,52,,1 could save 2.9KiB (56% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/c_img_E_B/1X9CP.png?fl=res,52,,1 could save 2.8KiB (62% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/c_A_C/DZoF.png?fl=res,52,,1 could save 2.8KiB (60% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/c_img_F_C/zBtB.png?fl=res,52,,1 could save 2.7KiB (56% reduction).
Compressing https://www.seznam.cz/media/img/logo-android-app-promotion.png could save 772B (11% reduction).
Compressing https://10.im.cz/sos/2ab/60d/2ab60d83ec3701f1d10b3ed3d9d72cf2.png could save 654B (42% reduction).
Compressing https://d27-a.sdn.szn.cz/d_27/d_15081741/img/95/16…dq1q2.png?fl=res,52,,1 could save 640B (17% reduction).
Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://10.im.cz/sos/1ea/3cf/1ea3cf8cdb1edbc854088b24b3b47531.jpeg (expiration not specified)
https://10.im.cz/sos/2ab/60d/2ab60d83ec3701f1d10b3ed3d9d72cf2.png (expiration not specified)
https://10.im.cz/sos/7a9/323/7a9323cc0fb63963c5b1d25d81d3ee50.jpeg (expiration not specified)
https://10.im.cz/sos/84f/e92/84fe92d422eedeed1a3796dd983fc4fd.jpeg (expiration not specified)
https://10.im.cz/sos/f15/337/f15337025c76291badfd54527863c95d.jpeg (expiration not specified)
https://geo.seznam.cz/static/js/geo.js (expiration not specified)
https://www.seznam.cz/js/api/login.js (2 hours)
Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 8.1KiB (70% reduction).
Compressing https://i.imedia.cz/json could save 6.6KiB (69% reduction).
Compressing https://image6.pubmatic.com/AdServer/PugMaster?rnd…oppa=0&sec=1&kdntuid=1 could save 1.5KiB (71% reduction).
Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 1.8KiB (24% reduction).
Minifying https://i.imedia.cz/js/documentwrite.js could save 1.2KiB (44% reduction) after compression.
Minifying https://gacz.hit.gemius.pl/xgemius.js could save 635B (13% reduction) after compression.

seznam.cz Mobile Resources


Total Resources118
Number of Hosts28
Static Resources74
JavaScript Resources22
CSS Resources2

seznam.cz Mobile Resource Breakdown