Tools & Wizards About Us
nauka.nextore.pl screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

nauka.nextore.pl

Nexto.pl - ebooki, audiobooki, eprasa i książki papierowe

Page Load Speed

7.1 sec in total

First Response

897 ms

Resources Loaded

5.9 sec

Page Rendered

243 ms

nauka.nextore.pl screenshot

About Website

Click here to check amazing Nauka Nexto Re content for Poland. Otherwise, check out these important facts you probably never knew about nauka.nextore.pl

Największa w Polsce e-księgarnia internetowa. Ponad 90 000 ebooków i audiobooków oraz ponad 600 tytułów prasowych. Premiery i bestsellerowe tytuły zawsze pod ręką!

Visit nauka.nextore.pl

Key Findings

We analyzed Nauka.nextore.pl page load time and found that the first response time was 897 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

nauka.nextore.pl performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value18.7 s

0/100

10%

TBT (Total Blocking Time)

Value8,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.83

4/100

15%

TTI (Time to Interactive)

Value26.8 s

0/100

10%

Network Requests Diagram

www.nexto.pl

897 ms

compress

669 ms

jm_cookie_message.js

263 ms

compress

267 ms

jquery-ui-1.8.17.custom.css

264 ms

Our browser made a total of 194 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Nauka.nextore.pl, 24% (46 requests) were made to Tools.nexto.pl and 11% (22 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source App2.salesmanago.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.2 kB (13%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nauka.nextore.pl main page is 1.5 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. 75% 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 65.9 kB

  • Original 82.9 kB
  • After minification 79.8 kB
  • After compression 16.9 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. 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 65.9 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 38.2 kB

  • Original 1.2 MB
  • After minification 1.2 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. Nauka Nexto Re images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 19.1 kB

  • Original 68.8 kB
  • After minification 65.4 kB
  • After compression 49.7 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 19.1 kB or 28% of the original size.

CSS Optimization

-82%

Potential reduce by 75.0 kB

  • Original 91.3 kB
  • After minification 79.3 kB
  • After compression 16.3 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. Nauka.nextore.pl needs all CSS files to be minified and compressed as it can save up to 75.0 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 77 (43%)

Requests Now

178

After Optimization

101

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 178 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nauka Nexto Re. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.nexto.pl

www.nexto.pl

897 ms

compress

compress

669 ms

jm_cookie_message.js

jm_cookie_message.js

263 ms

compress

compress

267 ms

jquery-ui-1.8.17.custom.css

jquery-ui-1.8.17.custom.css

264 ms

baner

baner

264 ms

social.js

social.js

263 ms

conversion.js

conversion.js

19 ms

popups.js

popups.js

636 ms

358 ms

AjaxRpc.js

AjaxRpc.js

133 ms

helppoint.gif

helppoint.gif

133 ms

helppoint_over.gif

helppoint_over.gif

134 ms

UTF8.js

UTF8.js

133 ms

AjaxRequest.js

AjaxRequest.js

132 ms

converter

converter

528 ms

apka_appleAndroid_sg_left_3_part1.jpg

apka_appleAndroid_sg_left_3_part1.jpg

265 ms

apka_appleAndroid_sg_left_3_part2.jpg

apka_appleAndroid_sg_left_3_part2.jpg

270 ms

apka_appleAndroid_sg_left_3_part3.jpg

apka_appleAndroid_sg_left_3_part3.jpg

266 ms

dynks.png

dynks.png

132 ms

but_zaloguj.png

but_zaloguj.png

135 ms

but_goto_cart.png

but_goto_cart.png

135 ms

net_but_szukaj_v2.png

net_but_szukaj_v2.png

134 ms

ajaxSpinner.gif

ajaxSpinner.gif

151 ms

targi_160x250.png

targi_160x250.png

688 ms

no_photo.gif

no_photo.gif

268 ms

payments_logos.gif

payments_logos.gif

271 ms

logo_gg_pl.jpg

logo_gg_pl.jpg

271 ms

logo_nexto_footer.gif

logo_nexto_footer.gif

271 ms

logo_netpress_footer.gif

logo_netpress_footer.gif

281 ms

socialfb.png

socialfb.png

282 ms

socialg.png

socialg.png

395 ms

socialyt.png

socialyt.png

396 ms

converter

converter

402 ms

converter

converter

403 ms

converter

converter

406 ms

converter

converter

408 ms

converter

converter

410 ms

converter

converter

539 ms

converter

converter

547 ms

converter

converter

548 ms

converter

converter

665 ms

converter

converter

550 ms

converter

converter

649 ms

converter

converter

653 ms

converter

converter

656 ms

converter

converter

663 ms

converter

converter

668 ms

converter

converter

773 ms

converter

converter

778 ms

converter

converter

783 ms

converter

converter

791 ms

converter

converter

794 ms

converter

converter

799 ms

converter

converter

900 ms

converter

converter

904 ms

converter

converter

910 ms

converter

converter

1046 ms

converter

converter

923 ms

converter

converter

929 ms

converter

converter

1024 ms

converter

converter

1030 ms

gtm.js

gtm.js

45 ms

logo_nexto_ruch_logo_SG2b.png

logo_nexto_ruch_logo_SG2b.png

387 ms

ico_pkt.png

ico_pkt.png

386 ms

ico_cart.png

ico_cart.png

399 ms

box_shadow.png

box_shadow.png

399 ms

hp_ico.png

hp_ico.png

496 ms

baner

baner

501 ms

custom-select.png

custom-select.png

499 ms

newsletter_glowna.jpg

newsletter_glowna.jpg

542 ms

apka_appleAndroid_sg_left_3_part1.jpg

apka_appleAndroid_sg_left_3_part1.jpg

270 ms

apka_appleAndroid_sg_left_3_part3.jpg

apka_appleAndroid_sg_left_3_part3.jpg

289 ms

apka_appleAndroid_sg_left_3_part2.jpg

apka_appleAndroid_sg_left_3_part2.jpg

289 ms

logo_gg_pl.jpg

logo_gg_pl.jpg

280 ms

payments_logos.gif

payments_logos.gif

278 ms

apka_appleAndroid_sg_left_3_part1.jpg

apka_appleAndroid_sg_left_3_part1.jpg

295 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

133 ms

column_shadow_bg.png

column_shadow_bg.png

132 ms

widget.js

widget.js

194 ms

banner_warszawa_726x230.jpg

banner_warszawa_726x230.jpg

794 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

132 ms

banner_focus_726x230.jpg

banner_focus_726x230.jpg

1055 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

133 ms

banner_ludlum_726x230.jpg

banner_ludlum_726x230.jpg

922 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

133 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

254 ms

banner_badz_fit_726x230.jpg

banner_badz_fit_726x230.jpg

921 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

254 ms

banner_mandryka_bukowinski_726x230.jpg

banner_mandryka_bukowinski_726x230.jpg

921 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

262 ms

apka_appleAndroid_sg_left_3_part3.jpg

apka_appleAndroid_sg_left_3_part3.jpg

127 ms

apka_appleAndroid_sg_left_3_part2.jpg

apka_appleAndroid_sg_left_3_part2.jpg

234 ms

widget

widget

201 ms

li.gif

li.gif

132 ms

recommended-bdr.png

recommended-bdr.png

132 ms

newsletter-btn.png

newsletter-btn.png

171 ms

loader.gif

loader.gif

172 ms

converter

converter

405 ms

converter

converter

295 ms

converter

converter

300 ms

converter

converter

391 ms

converter

converter

397 ms

converter

converter

419 ms

converter

converter

434 ms

converter

converter

435 ms

converter

converter

514 ms

converter

converter

521 ms

newsletter-btn.png

newsletter-btn.png

129 ms

widget.css

widget.css

196 ms

aebe8ecbe32ab2e41462954c27752180f6be72fb_mini4.jpg

aebe8ecbe32ab2e41462954c27752180f6be72fb_mini4.jpg

444 ms

bar.gif

bar.gif

132 ms

dc.js

dc.js

29 ms

pg

pg

131 ms

NetCookiesPostInit.js

NetCookiesPostInit.js

133 ms

__utm.gif

__utm.gif

11 ms

AjaxCurl.js

AjaxCurl.js

133 ms

icon_clock.png

icon_clock.png

163 ms

button_bg2.png

button_bg2.png

195 ms

UTF8.js

UTF8.js

133 ms

AjaxRequest.js

AjaxRequest.js

133 ms

plusone.js

plusone.js

107 ms

86 ms

quartic.js

quartic.js

483 ms

sm.js

sm.js

1236 ms

RetargetTracking.ashx

RetargetTracking.ashx

48 ms

RetargetTracking.ashx

RetargetTracking.ashx

439 ms

tag.js

tag.js

193 ms

all.js

all.js

54 ms

widget

widget

213 ms

likebox.php

likebox.php

130 ms

com.janmedia.plugin.banners.EventCollector

com.janmedia.plugin.banners.EventCollector

170 ms

141 ms

132 ms

xd_arbiter.php

xd_arbiter.php

112 ms

xd_arbiter.php

xd_arbiter.php

150 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

43 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

90 ms

badge

badge

149 ms

roNeOY-tz5Y.css

roNeOY-tz5Y.css

111 ms

UHhaxo8Cs3k.css

UHhaxo8Cs3k.css

119 ms

Qz9nHTUX1Wv.css

Qz9nHTUX1Wv.css

153 ms

_rx8naC75Dy.js

_rx8naC75Dy.js

210 ms

x5F9OMjKyLw.js

x5F9OMjKyLw.js

266 ms

ICDbTSzjQEg.js

ICDbTSzjQEg.js

209 ms

TTCre3391I0.js

TTCre3391I0.js

209 ms

rFmE1g6Dkoz.js

rFmE1g6Dkoz.js

306 ms

7cm7D75Y0Sf.js

7cm7D75Y0Sf.js

283 ms

C-h3nYPqETO.js

C-h3nYPqETO.js

332 ms

oRoBXlHCpEy.js

oRoBXlHCpEy.js

303 ms

336JejShbZp.js

336JejShbZp.js

337 ms

sj-JwAJi4AH.js

sj-JwAJi4AH.js

302 ms

DKRU1bYTkTw.js

DKRU1bYTkTw.js

344 ms

ZNPAadQNc33.js

ZNPAadQNc33.js

367 ms

W0OV23mIOyO.js

W0OV23mIOyO.js

367 ms

36TdwhIHusi.js

36TdwhIHusi.js

353 ms

postmessageRelay

postmessageRelay

74 ms

aebe8ecbe32ab2e41462954c27752180f6be72fb_mini4.jpg

aebe8ecbe32ab2e41462954c27752180f6be72fb_mini4.jpg

371 ms

rs=AGLTcCP3O_7Lv6wPM9DLZp_DouM8Z1J9hQ

rs=AGLTcCP3O_7Lv6wPM9DLZp_DouM8Z1J9hQ

29 ms

rs=AGLTcCMRrQOl3aog0WfiN8cQPcADd6GNiA

rs=AGLTcCMRrQOl3aog0WfiN8cQPcADd6GNiA

37 ms

rs=AGLTcCMibqR5qojlgbfU5zRdC_BXbrenbQ

rs=AGLTcCMibqR5qojlgbfU5zRdC_BXbrenbQ

87 ms

api.js

api.js

139 ms

core:rpc:shindig.random:shindig.sha1.js

core:rpc:shindig.random:shindig.sha1.js

217 ms

2536007149-postmessagerelay.js

2536007149-postmessagerelay.js

210 ms

photo.jpg

photo.jpg

318 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

282 ms

dtpHsbgPEm2lVWciJZ0P-A.ttf

dtpHsbgPEm2lVWciJZ0P-A.ttf

290 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

295 ms

rs=AGLTcCMibqR5qojlgbfU5zRdC_BXbrenbQ

rs=AGLTcCMibqR5qojlgbfU5zRdC_BXbrenbQ

100 ms

r.php

r.php

199 ms

304 ms

rs=AGLTcCMibqR5qojlgbfU5zRdC_BXbrenbQ

rs=AGLTcCMibqR5qojlgbfU5zRdC_BXbrenbQ

98 ms

12508849_10153915821811388_8358669837063103439_n.png

12508849_10153915821811388_8358669837063103439_n.png

150 ms

10492007_10152631264341388_1786100070255820985_n.png

10492007_10152631264341388_1786100070255820985_n.png

156 ms

534919_3746687472496_1158218817_n.jpg

534919_3746687472496_1158218817_n.jpg

173 ms

12718283_10207257921478027_85158447843352519_n.jpg

12718283_10207257921478027_85158447843352519_n.jpg

174 ms

12494940_10205837454314785_7191980318158564024_n.jpg

12494940_10205837454314785_7191980318158564024_n.jpg

178 ms

12729035_1047988401934096_1640966487730502749_n.jpg

12729035_1047988401934096_1640966487730502749_n.jpg

176 ms

11182094_1403757286614757_3113170111720988070_n.jpg

11182094_1403757286614757_3113170111720988070_n.jpg

176 ms

1493230_1560121907570169_554303204842149263_n.jpg

1493230_1560121907570169_554303204842149263_n.jpg

177 ms

wL6VQj7Ab77.png

wL6VQj7Ab77.png

100 ms

s7jcwEQH7Sx.png

s7jcwEQH7Sx.png

100 ms

pUFVdPjIRct.png

pUFVdPjIRct.png

37 ms

quartic_recommendations_personal_hp.xml

quartic_recommendations_personal_hp.xml

313 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

11 ms

vlXaquuXMrr.js

vlXaquuXMrr.js

17 ms

converter

converter

253 ms

converter

converter

127 ms

converter

converter

133 ms

converter

converter

135 ms

converter

converter

129 ms

converter

converter

136 ms

r.gif

r.gif

223 ms

xd_arbiter.php

xd_arbiter.php

17 ms

Accessibility Review

nauka.nextore.pl accessibility score

69

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

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

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

High

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

Best Practices

nauka.nextore.pl best practices score

58

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

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nauka.nextore.pl SEO score

85

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

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nauka.nextore.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Nauka.nextore.pl 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

nauka.nextore.pl

Open Graph description is not detected on the main page of Nauka Nexto Re. 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: