Tools & Wizards About Us
illvet.se screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

illvet.se

Illustrerad Vetenskap - på upptäcktsfärd i vetenskapen | illvet.se

Page Load Speed

4.8 sec in total

First Response

366 ms

Resources Loaded

3.1 sec

Page Rendered

1.3 sec

illvet.se screenshot

About Website

Click here to check amazing Illvet content for Sweden. Otherwise, check out these important facts you probably never knew about illvet.se

Illustrerad Vetenskap är ett internationellt populärvetenskapligt magasin, som ger läsaren inblick i världens ledande forskning inom alla grenar av vetenskapen.

Visit illvet.se

Key Findings

We analyzed Illvet.se page load time and found that the first response time was 366 ms and then it took 4.5 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

illvet.se performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value17.1 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value2,200 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.075

95/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

illvet.se

366 ms

EAS_tag.1.0.js

243 ms

require.js

246 ms

css_7bdff53bba57603060735ef4ed8cf96b_9.css

408 ms

illvet-se.js

84 ms

Our browser made a total of 189 requests to load all elements on the main page. We found that 59% of them (112 requests) were addressed to the original Illvet.se, 6% (11 requests) were made to Eas4.emediate.eu and 5% (10 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Illvet.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (26%)

Content Size

4.7 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Illvet.se main page is 4.7 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. 70% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 123.5 kB

  • Original 144.4 kB
  • After minification 120.5 kB
  • After compression 20.9 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 23.8 kB, which is 17% 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 123.5 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 132.7 kB

  • Original 3.2 MB
  • After minification 3.1 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. Illvet images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 714.8 kB

  • Original 1.0 MB
  • After minification 878.3 kB
  • After compression 307.6 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 714.8 kB or 70% of the original size.

CSS Optimization

-86%

Potential reduce by 241.2 kB

  • Original 281.5 kB
  • After minification 275.7 kB
  • After compression 40.3 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. Illvet.se needs all CSS files to be minified and compressed as it can save up to 241.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (38%)

Requests Now

186

After Optimization

116

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 186 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Illvet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

illvet.se

illvet.se

366 ms

EAS_tag.1.0.js

EAS_tag.1.0.js

243 ms

require.js

require.js

246 ms

css_7bdff53bba57603060735ef4ed8cf96b_9.css

css_7bdff53bba57603060735ef4ed8cf96b_9.css

408 ms

illvet-se.js

illvet-se.js

84 ms

js_6aa896d89698a564f85e95a678e7f514_42014.js

js_6aa896d89698a564f85e95a678e7f514_42014.js

567 ms

conversion.js

conversion.js

20 ms

eas

eas

194 ms

eas

eas

238 ms

bp_burt_metatags.js

bp_burt_metatags.js

88 ms

emediate.js

emediate.js

155 ms

bp_apachesolr_loader.js

bp_apachesolr_loader.js

163 ms

main.js

main.js

88 ms

j.php

j.php

28 ms

solsystem1.jpg

solsystem1.jpg

626 ms

Screen%20Shot%202016-01-25%20at%2010.34.28.jpg

Screen%20Shot%202016-01-25%20at%2010.34.28.jpg

710 ms

Video_dino_beska%CC%8Aret.jpg

Video_dino_beska%CC%8Aret.jpg

781 ms

video_solsystem.jpg

video_solsystem.jpg

918 ms

04_bo_finalcelebration_download-1.jpg

04_bo_finalcelebration_download-1.jpg

755 ms

illvid-se-logo_orig.png

illvid-se-logo_orig.png

198 ms

drone_01_1500x1000.jpg

drone_01_1500x1000.jpg

173 ms

hvidhaj_hajangreb.png

hvidhaj_hajangreb.png

577 ms

topteaser_sextest.png

topteaser_sextest.png

87 ms

e-magasin.png

e-magasin.png

610 ms

arkiv.png

arkiv.png

645 ms

video.png

video.png

448 ms

iq-test-ny-splash8_se.jpg

iq-test-ny-splash8_se.jpg

365 ms

daarlig-aande-top-2.jpg

daarlig-aande-top-2.jpg

389 ms

shutterstock_pasta_barn_oksanakuzminar.jpg

shutterstock_pasta_barn_oksanakuzminar.jpg

511 ms

shutterstock_coffee_socialr.jpg

shutterstock_coffee_socialr.jpg

561 ms

hjerneloegn-topbillede.jpg

hjerneloegn-topbillede.jpg

521 ms

autisme_beskaret.jpg

autisme_beskaret.jpg

600 ms

shutterstock_happywife_guryanov-andreyr.png

shutterstock_happywife_guryanov-andreyr.png

765 ms

iq-test-ny-splash_teaser2_se.jpg

iq-test-ny-splash_teaser2_se.jpg

648 ms

immunterapi-topbillede.jpg

immunterapi-topbillede.jpg

739 ms

kraeft_beskaret.jpg

kraeft_beskaret.jpg

683 ms

alzheimers_beskaret.jpg

alzheimers_beskaret.jpg

692 ms

skisportssteder-top-final_1.jpg

skisportssteder-top-final_1.jpg

726 ms

shutterstock_183150773.jpg

shutterstock_183150773.jpg

733 ms

shutterstock_84473332.jpg

shutterstock_84473332.jpg

755 ms

forside-einstein.jpg

forside-einstein.jpg

773 ms

husholdningsquiz.jpg

husholdningsquiz.jpg

811 ms

teenage-quiz.jpg

teenage-quiz.jpg

822 ms

nytaarsquiz.jpg

nytaarsquiz.jpg

817 ms

haletudser-kravler-ud-af-ryggen.jpg

haletudser-kravler-ud-af-ryggen.jpg

836 ms

drone_0.jpg

drone_0.jpg

845 ms

philae_touchdown.jpg

philae_touchdown.jpg

854 ms

kejserpingvinens-vuggestue.jpg

kejserpingvinens-vuggestue.jpg

1022 ms

flagermus-overlever-besoeg-i-koedaedende-plante.jpg

flagermus-overlever-besoeg-i-koedaedende-plante.jpg

898 ms

forside_1.jpg

forside_1.jpg

905 ms

161978_02_02.jpg

161978_02_02.jpg

994 ms

kiruna-raketskrot.jpg

kiruna-raketskrot.jpg

928 ms

missing-link_3.png

missing-link_3.png

1179 ms

cern-4.jpg

cern-4.jpg

979 ms

gtm.js

gtm.js

98 ms

galet-eller-genialt.jpg

galet-eller-genialt.jpg

1070 ms

v.gif

v.gif

14 ms

hotjar-21440.js

hotjar-21440.js

94 ms

illsymbol-regular-webfont_v5.woff

illsymbol-regular-webfont_v5.woff

926 ms

analytics.js

analytics.js

33 ms

571 ms

set_fb_pixel.js

set_fb_pixel.js

442 ms

modules-1f5c71aea63f8df71401422ed80fbe5f.js

modules-1f5c71aea63f8df71401422ed80fbe5f.js

51 ms

sdk.js

sdk.js

136 ms

linkid.js

linkid.js

115 ms

kejserpingvinens-vuggestue.jpg

kejserpingvinens-vuggestue.jpg

874 ms

statisk-elektricitet-hvorfor-bliver-mit-haar-elektrisk.jpg

statisk-elektricitet-hvorfor-bliver-mit-haar-elektrisk.jpg

1046 ms

xlgemius.js

xlgemius.js

251 ms

162 ms

15.js

15.js

100 ms

status

status

261 ms

O3C1H4WZ5EWG

O3C1H4WZ5EWG

561 ms

cx.js

cx.js

98 ms

ref_analytics.js

ref_analytics.js

203 ms

collect

collect

29 ms

collect

collect

173 ms

collect

collect

27 ms

102 ms

EAS_fif.html

EAS_fif.html

736 ms

222 ms

xd_arbiter.php

xd_arbiter.php

80 ms

xd_arbiter.php

xd_arbiter.php

120 ms

moduleload.js

moduleload.js

717 ms

p1.html

p1.html

46 ms

segment

segment

55 ms

hvorfor-laesper-man_0.jpg

hvorfor-laesper-man_0.jpg

704 ms

fpdata.js

fpdata.js

112 ms

6628.iframe;c

6628.iframe;c

125 ms

p1.js

p1.js

19 ms

lsget.html

lsget.html

264 ms

rep.gif

rep.gif

6 ms

1873871514@TopRight

1873871514@TopRight

86 ms

groen-fluesvamp-giftig-svamp.jpg

groen-fluesvamp-giftig-svamp.jpg

659 ms

brain-waves.jpg

brain-waves.jpg

657 ms

visit-data

visit-data

203 ms

baggrund_0.jpg

baggrund_0.jpg

629 ms

hexago.jpg

hexago.jpg

656 ms

e920e04_a.js

e920e04_a.js

123 ms

status

status

91 ms

getpixelcodes.php

getpixelcodes.php

71 ms

set_panel3.html

set_panel3.html

186 ms

bold.jpg

bold.jpg

655 ms

isoball.png

isoball.png

732 ms

trigger-ball.jpg

trigger-ball.jpg

628 ms

stjernebillede.jpg

stjernebillede.jpg

626 ms

fbds.js

fbds.js

16 ms

9 ms

8 ms

230 ms

14 ms

20 ms

19 ms

19 ms

19 ms

18 ms

atomic-puzzle.jpg

atomic-puzzle.jpg

629 ms

can-you-fit_0.jpg

can-you-fit_0.jpg

627 ms

6628.image

6628.image

114 ms

122 ms

wheres_your_country.png

wheres_your_country.png

873 ms

roxdoku.jpg

roxdoku.jpg

612 ms

math-test.jpg

math-test.jpg

621 ms

the-numbers.jpg

the-numbers.jpg

637 ms

solen.jpg

solen.jpg

636 ms

filler.png

filler.png

645 ms

adstream.cap

adstream.cap

85 ms

trekant.jpg

trekant.jpg

612 ms

ricochet.png

ricochet.png

878 ms

way-of-an-idea.jpg

way-of-an-idea.jpg

649 ms

rexdot.js

rexdot.js

102 ms

sum.jpg

sum.jpg

642 ms

ragdoll_cannon.png

ragdoll_cannon.png

813 ms

multi-stack.jpg

multi-stack.jpg

653 ms

torvi-cube.jpg

torvi-cube.jpg

655 ms

tower-of-balance.jpg

tower-of-balance.jpg

655 ms

memory-tap.jpg

memory-tap.jpg

660 ms

shadow-game.jpg

shadow-game.jpg

656 ms

shutterstock_coffee_socialr.jpg

shutterstock_coffee_socialr.jpg

644 ms

shutterstock_pasta_barn_oksanakuzminar.jpg

shutterstock_pasta_barn_oksanakuzminar.jpg

649 ms

droner-saar-traeer.jpg

droner-saar-traeer.jpg

647 ms

shutterstock_bestphotostudio_kids_tabletr.jpg

shutterstock_bestphotostudio_kids_tabletr.jpg

659 ms

papirfly.jpg

papirfly.jpg

643 ms

EAS_tag.1.0.js

EAS_tag.1.0.js

647 ms

nygaard_kursus.jpg

nygaard_kursus.jpg

651 ms

bp_apachesolr.js

bp_apachesolr.js

626 ms

vand_shutterstock.jpg

vand_shutterstock.jpg

615 ms

skovluft2_1.jpg

skovluft2_1.jpg

624 ms

stjernehimmel.jpg

stjernehimmel.jpg

625 ms

challenger-teaser-play_1.jpg

challenger-teaser-play_1.jpg

637 ms

161980_sh_challenger_17r.jpg

161980_sh_challenger_17r.jpg

608 ms

klima_skorsten.jpg

klima_skorsten.jpg

626 ms

sommerfugl_stjerne.jpg

sommerfugl_stjerne.jpg

620 ms

robert_peary_nordpolen.jpg

robert_peary_nordpolen.jpg

614 ms

nytblad_4_16_forside_teaser_se.jpg

nytblad_4_16_forside_teaser_se.jpg

617 ms

topbanner_general-1500x1000_2.jpg

topbanner_general-1500x1000_2.jpg

594 ms

maaneformoerkelse-topbillede.png

maaneformoerkelse-topbillede.png

601 ms

maanekiggeri.jpg

maanekiggeri.jpg

613 ms

iq-test_1.jpg

iq-test_1.jpg

612 ms

maaneformoerkelsei.jpg

maaneformoerkelsei.jpg

605 ms

solformoerkelse_sol_maane_jord.jpg

solformoerkelse_sol_maane_jord.jpg

578 ms

daarlig-aande-top-2.jpg

daarlig-aande-top-2.jpg

602 ms

the-ocean-cleanup-teaser-image.jpg

the-ocean-cleanup-teaser-image.jpg

586 ms

snot-top.jpg

snot-top.jpg

611 ms

programmoerer2_beskaret.jpg

programmoerer2_beskaret.jpg

570 ms

hjerneloegn-topbillede.jpg

hjerneloegn-topbillede.jpg

563 ms

newsletter-se.png

newsletter-se.png

542 ms

fordele-top-sv.jpg

fordele-top-sv.jpg

519 ms

featurebillede-sarnumre-se.png

featurebillede-sarnumre-se.png

608 ms

forside-se-2-bund.jpg

forside-se-2-bund.jpg

535 ms

cookiepolicy.png

cookiepolicy.png

531 ms

eas

eas

122 ms

eas

eas

240 ms

eas

eas

241 ms

eas

eas

249 ms

eas

eas

243 ms

eas

eas

243 ms

tools.js

tools.js

350 ms

jquery.nouislider.js

jquery.nouislider.js

363 ms

jquery.ba-dotimeout.js

jquery.ba-dotimeout.js

379 ms

EAS_tag.1.0.js

EAS_tag.1.0.js

120 ms

187 ms

eas

eas

122 ms

j-1408008-1135120.js

j-1408008-1135120.js

64 ms

main.html

main.html

41 ms

ftpagefold_v4.4.0.js

ftpagefold_v4.4.0.js

4 ms

ft.stat

ft.stat

65 ms

html5API.js

html5API.js

11 ms

adlib-min.js

adlib-min.js

11 ms

modules-min.js

modules-min.js

6 ms

Accessibility Review

illvet.se accessibility score

81

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-*] attributes do not match their roles

High

ARIA IDs are not unique

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

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

Best Practices

illvet.se best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

illvet.se SEO score

75

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    SV

  • Language Claimed

    SV

  • Encoding

    UTF-8

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

illvet.se

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