Tools & Wizards About Us
captivatebio.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

captivatebio.com

Captivate Bio - Scientific Solutions for the Life Sciences

Page Load Speed

2.2 sec in total

First Response

89 ms

Resources Loaded

837 ms

Page Rendered

1.3 sec

captivatebio.com screenshot

About Website

Visit captivatebio.com now to see the best up-to-date Captivate Bio content and also check out these interesting facts you probably never knew about captivatebio.com

Captivate Bio provides high quality cell culture media, reagents, labware, and custom services to advance life science research.

Visit captivatebio.com

Key Findings

We analyzed Captivatebio.com page load time and found that the first response time was 89 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

captivatebio.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

captivatebio.com

89 ms

captivatebio.com

203 ms

gtm.js

74 ms

jquery.min.js

72 ms

jquery-migrate.min.js

83 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 92% of them (58 requests) were addressed to the original Captivatebio.com, 3% (2 requests) were made to Player.vimeo.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (285 ms) belongs to the original domain Captivatebio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 507.7 kB (17%)

Content Size

3.1 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Captivatebio.com main page is 3.1 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. 65% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 192.2 kB

  • Original 234.9 kB
  • After minification 232.7 kB
  • After compression 42.7 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 192.2 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 311.9 kB

  • Original 2.8 MB
  • After minification 2.5 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. Obviously, Captivate Bio needs image optimization as it can save up to 311.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 3.6 kB

  • Original 24.4 kB
  • After minification 24.4 kB
  • After compression 20.8 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 3.6 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (25%)

Requests Now

59

After Optimization

44

  • Images
  • JavaScript

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Captivate Bio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

captivatebio.com

captivatebio.com

89 ms

captivatebio.com

captivatebio.com

203 ms

gtm.js

gtm.js

74 ms

jquery.min.js

jquery.min.js

72 ms

jquery-migrate.min.js

jquery-migrate.min.js

83 ms

cher-frontend.min.js

cher-frontend.min.js

108 ms

jquery.dcd.doubletaptogo.min.js

jquery.dcd.doubletaptogo.min.js

133 ms

jquery.imagelistexpander.js

jquery.imagelistexpander.js

104 ms

hooks.min.js

hooks.min.js

130 ms

i18n.min.js

i18n.min.js

134 ms

wp-polyfill.min.js

wp-polyfill.min.js

143 ms

url.min.js

url.min.js

146 ms

api-fetch.min.js

api-fetch.min.js

147 ms

main.js

main.js

182 ms

swiper-bundle.js

swiper-bundle.js

202 ms

lazyload.min.js

lazyload.min.js

145 ms

995212849

995212849

215 ms

995182342

995182342

234 ms

20554650.js

20554650.js

146 ms

Logo.svg

Logo.svg

43 ms

Captivate-Bio-FBS-hero-image.jpg

Captivate-Bio-FBS-hero-image.jpg

143 ms

try-captivate-bio-resivate-msc-media-1024x535.jpg

try-captivate-bio-resivate-msc-media-1024x535.jpg

141 ms

Captivate-Bio-holiday-guide-life-sciences-1024x590.jpg

Captivate-Bio-holiday-guide-life-sciences-1024x590.jpg

142 ms

captivate-bio-bogo-speker-promotion-1-1024x535.jpg

captivate-bio-bogo-speker-promotion-1-1024x535.jpg

95 ms

captivate-bio-small-molecules-GMP.jpg

captivate-bio-small-molecules-GMP.jpg

124 ms

captivate-bio-stem-cells-small-molecules.png

captivate-bio-stem-cells-small-molecules.png

115 ms

captivate-bio-warehouse-services.jpg

captivate-bio-warehouse-services.jpg

62 ms

captivate-bio-guide-new-download-ph.png.jpg

captivate-bio-guide-new-download-ph.png.jpg

108 ms

captivate-bio-commercial-consulting-service.jpg

captivate-bio-commercial-consulting-service.jpg

107 ms

CBio-Research-Area-Image-Cell-Culture.jpg

CBio-Research-Area-Image-Cell-Culture.jpg

73 ms

CBio-Research-Area-Image-Stem-Cell-Research.jpg

CBio-Research-Area-Image-Stem-Cell-Research.jpg

105 ms

captivate-bio-clinical-research-area.jpg

captivate-bio-clinical-research-area.jpg

112 ms

Captivate-Bio-Icons_Reagent-Sourcing.svg

Captivate-Bio-Icons_Reagent-Sourcing.svg

138 ms

Captivate-Bio-Icons_On-Demand-Media.svg

Captivate-Bio-Icons_On-Demand-Media.svg

141 ms

Captivate-Bio-Icons_Trust-15.svg

Captivate-Bio-Icons_Trust-15.svg

139 ms

Captivate-Bio-Icons_Collaborative.svg

Captivate-Bio-Icons_Collaborative.svg

142 ms

Captivate-Bio-Icons_Reliable-14.svg

Captivate-Bio-Icons_Reliable-14.svg

148 ms

Captivate-Bio-Icons_Efficient.svg

Captivate-Bio-Icons_Efficient.svg

158 ms

CBio-Image-Our-Team-1.jpg

CBio-Image-Our-Team-1.jpg

190 ms

hebecell-captivate-bio.svg

hebecell-captivate-bio.svg

210 ms

natural-killer-cells-captivate-1.jpg

natural-killer-cells-captivate-1.jpg

207 ms

BIOLamina-Logo-2.svg

BIOLamina-Logo-2.svg

178 ms

biolamina-about-1.png

biolamina-about-1.png

191 ms

University_of_Connecticut_logo.svg

University_of_Connecticut_logo.svg

185 ms

OCT4StemCells-1024x683-UCONN-1.jpeg

OCT4StemCells-1024x683-UCONN-1.jpeg

207 ms

logo-desktop.png

logo-desktop.png

232 ms

ATCC-cells-Captivate-Bio-testimonial.jpg

ATCC-cells-Captivate-Bio-testimonial.jpg

267 ms

Mill-Creek-Logo.svg

Mill-Creek-Logo.svg

233 ms

mill-creek-life-sciences-221_1st_ave-1.jpeg

mill-creek-life-sciences-221_1st_ave-1.jpeg

250 ms

Bitmap-1.svg

Bitmap-1.svg

245 ms

boston-children-s-hospital-seeklogo.com_.svg

boston-children-s-hospital-seeklogo.com_.svg

247 ms

University_of_Michigan_logo.svg

University_of_Michigan_logo.svg

254 ms

Cleveland-Clinic-Logo-Bar.svg

Cleveland-Clinic-Logo-Bar.svg

256 ms

ATCC-Logo.png

ATCC-Logo.png

279 ms

CAPTIVATE-BIO.svg

CAPTIVATE-BIO.svg

274 ms

call.svg

call.svg

285 ms

message.svg

message.svg

237 ms

facebook.svg

facebook.svg

241 ms

instagram.svg

instagram.svg

254 ms

twitter-1.svg

twitter-1.svg

259 ms

linkedin-1.svg

linkedin-1.svg

261 ms

footer-logo.svg

footer-logo.svg

254 ms

api.js

api.js

11 ms

Accessibility Review

captivatebio.com accessibility score

92

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.

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

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

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

captivatebio.com best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

captivatebio.com SEO score

92

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 Captivatebio.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 Captivatebio.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

captivatebio.com

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