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sg.vwr.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

sg.vwr.com

VWR, Part of Avantor - Chemicals and Laboratory Scientific Supplies

Page Load Speed

2.3 sec in total

First Response

121 ms

Resources Loaded

1.6 sec

Page Rendered

520 ms

sg.vwr.com screenshot

About Website

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

VWR International, a global laboratory supplier and distributor of chemicals, life science products, consumables, equipment, instruments, furniture, e-commerce and services

Visit sg.vwr.com

Key Findings

We analyzed Sg.vwr.com page load time and found that the first response time was 121 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sg.vwr.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value11.9 s

0/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.321

36/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

sg.vwr.com

121 ms

sg.vwr.com

59 ms

173 ms

master.css

50 ms

modernizr.min.js

50 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 94% of them (81 requests) were addressed to the original Sg.vwr.com, 1% (1 request) were made to Cdn.auth0.com and 1% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (314 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.8 kB (11%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sg.vwr.com main page is 1.8 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 198.9 kB

  • Original 267.9 kB
  • After minification 267.4 kB
  • After compression 69.0 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 198.9 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 8 B

  • Original 1.3 MB
  • After minification 1.3 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. Sg VWR images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 168 B

  • Original 207.9 kB
  • After minification 207.9 kB
  • After compression 207.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.8 kB

  • Original 103.4 kB
  • After minification 103.4 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. Sg.vwr.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (23%)

Requests Now

83

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sg 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 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sg.vwr.com

sg.vwr.com

121 ms

sg.vwr.com

sg.vwr.com

59 ms

173 ms

master.css

master.css

50 ms

modernizr.min.js

modernizr.min.js

50 ms

jquery-3.6.1.min.js

jquery-3.6.1.min.js

105 ms

jquery-migrate-3.4.0.min.js

jquery-migrate-3.4.0.min.js

48 ms

unified-responsive-2022.min.js

unified-responsive-2022.min.js

48 ms

datatables-1.12.1.min.js

datatables-1.12.1.min.js

102 ms

jquery-ui-custom-1.13.1.min.js

jquery-ui-custom-1.13.1.min.js

153 ms

auth0.min.js

auth0.min.js

44 ms

generictagmanager.js

generictagmanager.js

150 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

146 ms

gtm.js

gtm.js

314 ms

segment_life_science_2019_90.jpg

segment_life_science_2019_90.jpg

176 ms

iggy_logo_70_2017.jpg

iggy_logo_70_2017.jpg

172 ms

ls_q4_2015_1.jpg

ls_q4_2015_1.jpg

173 ms

ls_q4_2015_2.jpg

ls_q4_2015_2.jpg

175 ms

mt_chrom.png

mt_chrom.png

170 ms

chrom-knowledge-centre-7070.jpg

chrom-knowledge-centre-7070.jpg

173 ms

chrom-application-library-7070.jpg

chrom-application-library-7070.jpg

197 ms

hichrom_column_90_90.jpg

hichrom_column_90_90.jpg

198 ms

analytical_chemistry_2021_100x100.jpg

analytical_chemistry_2021_100x100.jpg

197 ms

bioprocessing_solutions_antibody_90.jpg

bioprocessing_solutions_antibody_90.jpg

197 ms

thumb_master_flex.jpg

thumb_master_flex.jpg

198 ms

safety_and_cleaning_100x100.jpg

safety_and_cleaning_100x100.jpg

198 ms

safety_q4_2015_2.jpg

safety_q4_2015_2.jpg

259 ms

safety_q4_2015_3.jpg

safety_q4_2015_3.jpg

258 ms

controlled_environment_main_90.jpg

controlled_environment_main_90.jpg

260 ms

science-delivered-100x100.jpg

science-delivered-100x100.jpg

262 ms

covid_19_90x90.jpg

covid_19_90x90.jpg

264 ms

moving_forward_together_100x100.png

moving_forward_together_100x100.png

262 ms

designed_science_thumbnail_90.png

designed_science_thumbnail_90.png

265 ms

banner_chemcial_corner_70.png

banner_chemcial_corner_70.png

265 ms

611-2536_70.jpg

611-2536_70.jpg

266 ms

611-8461_70.jpg

611-8461_70.jpg

273 ms

banner_chemcial_corner_90_v2.png

banner_chemcial_corner_90_v2.png

271 ms

avantor-fluid-handling-100x100.jpg

avantor-fluid-handling-100x100.jpg

271 ms

mt_rd.png

mt_rd.png

272 ms

seradigm_ultimate_grade_fbs_90x90.jpg

seradigm_ultimate_grade_fbs_90x90.jpg

272 ms

production_segment_2018_90.jpg

production_segment_2018_90.jpg

271 ms

mt_quality_ap.png

mt_quality_ap.png

287 ms

mt_healthcare_ap.png

mt_healthcare_ap.png

282 ms

thumb_segment_education_reversed.png

thumb_segment_education_reversed.png

289 ms

asecos_7070.png

asecos_7070.png

286 ms

furniture_segment_thumb_012014.png

furniture_segment_thumb_012014.png

283 ms

jtb_rankem_9090.jpg

jtb_rankem_9090.jpg

284 ms

JTBaker-RoboticTips-100x100.jpg

JTBaker-RoboticTips-100x100.jpg

298 ms

vwrcatalyst_services_90.jpg

vwrcatalyst_services_90.jpg

304 ms

insight.min.js

insight.min.js

178 ms

avantor_logo_300w.png

avantor_logo_300w.png

270 ms

e_commerce_without_logo_90.jpg

e_commerce_without_logo_90.jpg

141 ms

vwr_catalyst_70.jpg

vwr_catalyst_70.jpg

146 ms

thumb_tech_serv.png

thumb_tech_serv.png

147 ms

emolecules_rev_thumb.png

emolecules_rev_thumb.png

145 ms

thumb_e_newsletter.jpg

thumb_e_newsletter.jpg

148 ms

308963-B1-1230x400.jpg

308963-B1-1230x400.jpg

145 ms

Sustain_report_banner2024.jpg

Sustain_report_banner2024.jpg

133 ms

308963-B3img.png

308963-B3img.png

143 ms

308963-AMEA-B4.jpg

308963-AMEA-B4.jpg

142 ms

343216-IMG.jpg

343216-IMG.jpg

135 ms

343216-IMG-new2.jpg

343216-IMG-new2.jpg

139 ms

343216-IMG3.jpg

343216-IMG3.jpg

151 ms

insight_tag_errors.gif

insight_tag_errors.gif

158 ms

Bakerbond_222.jpg

Bakerbond_222.jpg

89 ms

42199.jpg

42199.jpg

101 ms

banner_chemcial_corner_221.png

banner_chemcial_corner_221.png

98 ms

vwr_promotions_red_balloons_221.jpg

vwr_promotions_red_balloons_221.jpg

96 ms

Consumables_columns_222_sg.jpg

Consumables_columns_222_sg.jpg

88 ms

Lab-Consumables1.jpg

Lab-Consumables1.jpg

104 ms

peristaltic_pumps_and_fluid_handling_solutions.jpg

peristaltic_pumps_and_fluid_handling_solutions.jpg

107 ms

surface_air_sampler.jpg

surface_air_sampler.jpg

102 ms

avantor_portfolio_of_chemicals.jpg

avantor_portfolio_of_chemicals.jpg

125 ms

vwr_logo_printheader.jpg

vwr_logo_printheader.jpg

105 ms

helpers.css

helpers.css

36 ms

webfonts.css

webfonts.css

33 ms

jquery-ui.css

jquery-ui.css

42 ms

hinted-Averta-Regular.woff

hinted-Averta-Regular.woff

33 ms

hinted-Averta-Light.woff

hinted-Averta-Light.woff

33 ms

hinted-Averta-Bold.woff

hinted-Averta-Bold.woff

33 ms

jquery-ui.structure.css

jquery-ui.structure.css

27 ms

jquery-ui.theme.css

jquery-ui.theme.css

35 ms

datatables.min.css

datatables.min.css

30 ms

mediagallery2.css

mediagallery2.css

26 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

33 ms

legacy_css.css

legacy_css.css

30 ms

Accessibility Review

sg.vwr.com accessibility score

98

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

Links do not have a discernible name

Best Practices

sg.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

sg.vwr.com SEO score

91

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

sg.vwr.com

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