Tools & Wizards About Us
se.vwr.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

se.vwr.com

VWR, Part of Avantor - Ledande leverantör av laboratorieutrustning och laboratoriekemikalier

Page Load Speed

6.3 sec in total

First Response

114 ms

Resources Loaded

5.7 sec

Page Rendered

473 ms

se.vwr.com screenshot

About Website

Welcome to se.vwr.com homepage info - get ready to check Se VWR best content for United States right away, or after learning these important things about se.vwr.com

VWR en global distributör av laboratorieutrustning som erbjuder kemikalier, life science, förbrukningsvaror, apparater, instrument, inredning, e-handel och service

Visit se.vwr.com

Key Findings

We analyzed Se.vwr.com page load time and found that the first response time was 114 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

se.vwr.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value12.0 s

0/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.367

29/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

se.vwr.com

114 ms

se.vwr.com

51 ms

132 ms

master.css

55 ms

rocket-loader.min.js

18 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 97% of them (105 requests) were addressed to the original Se.vwr.com, 1% (1 request) were made to Cdn.auth0.com and 1% (1 request) were made to C.la2c1.salesforceliveagent.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Se.vwr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 324.5 kB (14%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Se.vwr.com main page is 2.3 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. 55% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 292.1 kB

  • Original 339.7 kB
  • After minification 247.4 kB
  • After compression 47.6 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 92.3 kB, which is 27% 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 292.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 20 B

  • Original 1.6 MB
  • After minification 1.6 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. Se VWR images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 30.7 kB

  • Original 256.1 kB
  • After minification 256.1 kB
  • After compression 225.4 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 30.7 kB or 12% of the original size.

CSS Optimization

-2%

Potential reduce by 1.7 kB

  • Original 103.3 kB
  • After minification 103.3 kB
  • After compression 101.6 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. Se.vwr.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (20%)

Requests Now

105

After Optimization

84

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Se VWR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

se.vwr.com

se.vwr.com

114 ms

se.vwr.com

se.vwr.com

51 ms

132 ms

master.css

master.css

55 ms

rocket-loader.min.js

rocket-loader.min.js

18 ms

modernizr.min.js

modernizr.min.js

39 ms

jquery-3.6.1.min.js

jquery-3.6.1.min.js

44 ms

jquery-migrate-3.4.0.min.js

jquery-migrate-3.4.0.min.js

46 ms

unified-responsive-2022.min.js

unified-responsive-2022.min.js

51 ms

datatables-1.12.1.min.js

datatables-1.12.1.min.js

132 ms

jquery-ui-custom-1.13.1.min.js

jquery-ui-custom-1.13.1.min.js

136 ms

auth0.min.js

auth0.min.js

23 ms

generictagmanager.js

generictagmanager.js

134 ms

deployment.js

deployment.js

35 ms

jquery.cookiesdirective2.js

jquery.cookiesdirective2.js

122 ms

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

vedd3670a3b1c4e178fdfb0cc912d969e1713874337387

118 ms

battery-90x90.png

battery-90x90.png

499 ms

segment_life_science_2019_90.jpg

segment_life_science_2019_90.jpg

402 ms

s2s-90x90.jpg

s2s-90x90.jpg

398 ms

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c2t-9090.jpg

163 ms

iggy_logo_70_2017.jpg

iggy_logo_70_2017.jpg

413 ms

mt_chrom.png

mt_chrom.png

460 ms

chrom-knowledge-centre-7070.jpg

chrom-knowledge-centre-7070.jpg

523 ms

chrom-application-library-7070.jpg

chrom-application-library-7070.jpg

789 ms

hichrom_column_90_90.jpg

hichrom_column_90_90.jpg

810 ms

analytical_chemistry_2021_100x100.jpg

analytical_chemistry_2021_100x100.jpg

822 ms

mega_menu_34607_1.jpg

mega_menu_34607_1.jpg

887 ms

bioprocessing_solutions_antibody_90.jpg

bioprocessing_solutions_antibody_90.jpg

902 ms

thumb_master_flex.jpg

thumb_master_flex.jpg

918 ms

safety_and_cleaning_100x100.jpg

safety_and_cleaning_100x100.jpg

1213 ms

3d_glass.png

3d_glass.png

931 ms

brady_32836_img_90.jpg

brady_32836_img_90.jpg

1224 ms

21280438_90x90.jpg

21280438_90x90.jpg

1024 ms

controlled_environment_main_90.jpg

controlled_environment_main_90.jpg

1303 ms

Research_thumb.jpg

Research_thumb.jpg

1045 ms

science-delivered-100x100.jpg

science-delivered-100x100.jpg

1320 ms

covid_19_90x90.jpg

covid_19_90x90.jpg

1408 ms

designed_science_thumbnail_90.png

designed_science_thumbnail_90.png

1169 ms

banner_chemcial_corner_70.png

banner_chemcial_corner_70.png

1615 ms

611-2536_70.jpg

611-2536_70.jpg

1609 ms

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1351 ms

banner_chemcial_corner_90_v2.png

banner_chemcial_corner_90_v2.png

1693 ms

avantor-fluid-handling-100x100.jpg

avantor-fluid-handling-100x100.jpg

1442 ms

mt_rd.png

mt_rd.png

1500 ms

EntrisIIBCA90x90.jpg

EntrisIIBCA90x90.jpg

1829 ms

seradigm_ultimate_grade_fbs_90x90.jpg

seradigm_ultimate_grade_fbs_90x90.jpg

1576 ms

production_segment_2018_90.jpg

production_segment_2018_90.jpg

1907 ms

production_chemicals_22803feature_9090.jpg

production_chemicals_22803feature_9090.jpg

1969 ms

prod-3rd-col-nitrile-gloves.jpg

prod-3rd-col-nitrile-gloves.jpg

1998 ms

mt_qc.png

mt_qc.png

2006 ms

f_b_100.jpg

f_b_100.jpg

1804 ms

mt_healthcare.png

mt_healthcare.png

1931 ms

health_q4_2015_1.jpg

health_q4_2015_1.jpg

1791 ms

health_q4_2015_2.jpg

health_q4_2015_2.jpg

1640 ms

health_q4_2015_3.jpg

health_q4_2015_3.jpg

1949 ms

segment_microbiology_teaser.jpg

segment_microbiology_teaser.jpg

1679 ms

microscopy_qc_thumb.jpg

microscopy_qc_thumb.jpg

1646 ms

thumbnailbrochure_whitepaper.png

thumbnailbrochure_whitepaper.png

1648 ms

thumb_segment_education_reversed.png

thumb_segment_education_reversed.png

1896 ms

vwr_ecommerce_70.jpg

vwr_ecommerce_70.jpg

1641 ms

furniture_segment_thumb_012014.png

furniture_segment_thumb_012014.png

1421 ms

furniture_q4_2015_1.jpg

furniture_q4_2015_1.jpg

1664 ms

furniture_q4_2015_2.jpg

furniture_q4_2015_2.jpg

1682 ms

furniture_q4_2015_3.jpg

furniture_q4_2015_3.jpg

1763 ms

JTBaker-RoboticTips-100x100.jpg

JTBaker-RoboticTips-100x100.jpg

1828 ms

vwrcatalyst_services_90.jpg

vwrcatalyst_services_90.jpg

1913 ms

avantor_logo_300w.png

avantor_logo_300w.png

1428 ms

services_solutions_FR_thumb.jpg

services_solutions_FR_thumb.jpg

1838 ms

clinical_trials_70.jpg

clinical_trials_70.jpg

1736 ms

vwr_catalyst_70.jpg

vwr_catalyst_70.jpg

1792 ms

e_commerce_without_logo_90.jpg

e_commerce_without_logo_90.jpg

1458 ms

thumb_tech_serv.png

thumb_tech_serv.png

1507 ms

Labtools_Mainthumb.png

Labtools_Mainthumb.png

1944 ms

thumb_e_newsletter.jpg

thumb_e_newsletter.jpg

1592 ms

BHISlider1.jpg

BHISlider1.jpg

1450 ms

Advanced-BatterySlider2.jpg

Advanced-BatterySlider2.jpg

2058 ms

Advancing-evolution-banner3.jpg

Advancing-evolution-banner3.jpg

2021 ms

Accelerating-ResearchSlider4.jpg

Accelerating-ResearchSlider4.jpg

1975 ms

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1352 ms

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1366 ms

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1308 ms

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1203 ms

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1198 ms

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1126 ms

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1107 ms

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1105 ms

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1097 ms

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1074 ms

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1074 ms

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1067 ms

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1023 ms

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1014 ms

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46112.png

986 ms

handy_guides_selection_2021.png

handy_guides_selection_2021.png

1365 ms

focus_pharma_2021.png

focus_pharma_2021.png

1264 ms

helpers.css

helpers.css

33 ms

webfonts.css

webfonts.css

35 ms

jquery-ui.css

jquery-ui.css

34 ms

hinted-Averta-Regular.woff

hinted-Averta-Regular.woff

1027 ms

hinted-Averta-Light.woff

hinted-Averta-Light.woff

1068 ms

hinted-Averta-Bold.woff

hinted-Averta-Bold.woff

447 ms

jquery-ui.structure.css

jquery-ui.structure.css

38 ms

jquery-ui.theme.css

jquery-ui.theme.css

31 ms

datatables.min.css

datatables.min.css

31 ms

mediagallery2.css

mediagallery2.css

36 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

34 ms

legacy_css.css

legacy_css.css

31 ms

modernizr.min.js

modernizr.min.js

29 ms

Accessibility Review

se.vwr.com accessibility score

96

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

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

Best Practices

se.vwr.com 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

Page has valid source maps

SEO Factors

se.vwr.com SEO score

98

Search Engine Optimization Advices

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 Se.vwr.com 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 Se.vwr.com 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

se.vwr.com

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