Tools & Wizards About Us
sandbox.biolegend.com screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

sandbox.biolegend.com

BioLegend | Your Partner for Antibodies, Proteins, Kits, Proteogenomics, Custom Services, and Reagents in Life Science

Page Load Speed

1.1 sec in total

First Response

79 ms

Resources Loaded

832 ms

Page Rendered

169 ms

sandbox.biolegend.com screenshot

About Website

Welcome to sandbox.biolegend.com homepage info - get ready to check Sandbox Bio Legend best content for China right away, or after learning these important things about sandbox.biolegend.com

BioLegend is your partner for Antibodies, Proteins, Kits, Proteogenomics, Custom Services, and Reagents in Life Science

Visit sandbox.biolegend.com

Key Findings

We analyzed Sandbox.biolegend.com page load time and found that the first response time was 79 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

sandbox.biolegend.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

sandbox.biolegend.com

79 ms

sandbox.biolegend.com

387 ms

stylesbundle-main-styles-min

58 ms

non-responsive.css

31 ms

uc.js

47 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 96% of them (47 requests) were addressed to the original Sandbox.biolegend.com, 2% (1 request) were made to Consent.cookiebot.com and 2% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (387 ms) belongs to the original domain Sandbox.biolegend.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.6 kB (7%)

Content Size

775.7 kB

After Optimization

718.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sandbox.biolegend.com main page is 775.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 677.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 42.7 kB

  • Original 52.3 kB
  • After minification 41.2 kB
  • After compression 9.6 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 11.2 kB, which is 21% 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 42.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 677.4 kB
  • After minification 677.4 kB

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. Sandbox Bio Legend images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 10.8 kB

  • Original 37.0 kB
  • After minification 37.0 kB
  • After compression 26.2 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 10.8 kB or 29% of the original size.

CSS Optimization

-46%

Potential reduce by 4.1 kB

  • Original 8.9 kB
  • After minification 8.9 kB
  • After compression 4.8 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. Sandbox.biolegend.com needs all CSS files to be minified and compressed as it can save up to 4.1 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (71%)

Requests Now

42

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sandbox Bio Legend. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sandbox.biolegend.com

sandbox.biolegend.com

79 ms

sandbox.biolegend.com

sandbox.biolegend.com

387 ms

stylesbundle-main-styles-min

stylesbundle-main-styles-min

58 ms

non-responsive.css

non-responsive.css

31 ms

uc.js

uc.js

47 ms

homepage_050323.css

homepage_050323.css

49 ms

UserW.png

UserW.png

53 ms

CartW.png

CartW.png

38 ms

bars-mobile.png

bars-mobile.png

41 ms

Home_Icon_vector.png

Home_Icon_vector.png

88 ms

Magnifying-Glass.png

Magnifying-Glass.png

87 ms

GlobeP.png

GlobeP.png

88 ms

enUS_flag_resized.gif

enUS_flag_resized.gif

89 ms

ptPT_flag_resized.gif

ptPT_flag_resized.gif

93 ms

elGR_flag_resized.gif

elGR_flag_resized.gif

90 ms

deAT_flag_resized.gif

deAT_flag_resized.gif

88 ms

nlBE_flag_resized.gif

nlBE_flag_resized.gif

90 ms

enDK_flag_resized.gif

enDK_flag_resized.gif

88 ms

fiFI_flag_resized.gif

fiFI_flag_resized.gif

97 ms

frFR_flag_resized.gif

frFR_flag_resized.gif

97 ms

deDE_flag_resized.gif

deDE_flag_resized.gif

104 ms

enIE_flag_resized.gif

enIE_flag_resized.gif

103 ms

jaJP_flag_resized.gif

jaJP_flag_resized.gif

106 ms

frLU_flag_resized.gif

frLU_flag_resized.gif

115 ms

nlNL_flag_resized.gif

nlNL_flag_resized.gif

117 ms

nbNO_flag_resized.gif

nbNO_flag_resized.gif

116 ms

frCH_flag_resized.gif

frCH_flag_resized.gif

118 ms

enGB_flag_resized.gif

enGB_flag_resized.gif

122 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

105 ms

scriptsbundle-main-scripts-min

scriptsbundle-main-scripts-min

200 ms

homepage_071020.js

homepage_071020.js

129 ms

BioLegendLogo.png

BioLegendLogo.png

136 ms

1170_Web_Banner_BioLegend.jpg

1170_Web_Banner_BioLegend.jpg

132 ms

15-0124-11_ULEAF_Summer_Promo_Homepage_Hero_1171x351_1.jpg

15-0124-11_ULEAF_Summer_Promo_Homepage_Hero_1171x351_1.jpg

140 ms

Linkedin.png

Linkedin.png

139 ms

Facebook.png

Facebook.png

147 ms

Twitter.png

Twitter.png

151 ms

BLlogowhite1.png

BLlogowhite1.png

159 ms

Clincal_550x550.jpg

Clincal_550x550.jpg

89 ms

neuroinflammation_550x550.jpg

neuroinflammation_550x550.jpg

76 ms

Proteogenomics_550x550.jpg

Proteogenomics_550x550.jpg

93 ms

Oncology_550x550.jpg

Oncology_550x550.jpg

91 ms

Stem_cell_550x550.jpg

Stem_cell_550x550.jpg

96 ms

immunology_550x550.jpg

immunology_550x550.jpg

112 ms

Roboto-Regular.woff

Roboto-Regular.woff

106 ms

main.js

main.js

8 ms

Roboto-Bold.woff

Roboto-Bold.woff

20 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

84 ms

print.css

print.css

14 ms

Accessibility Review

sandbox.biolegend.com accessibility score

68

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

sandbox.biolegend.com best practices score

67

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

Missing source maps for large first-party JavaScript

SEO Factors

sandbox.biolegend.com SEO score

64

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

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sandbox.biolegend.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 Sandbox.biolegend.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sandbox.biolegend.com

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