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twistbioscience.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

twistbioscience.com

Twist Bioscience | We lead innovation in DNA synthesis

Page Load Speed

6.5 sec in total

First Response

149 ms

Resources Loaded

5.6 sec

Page Rendered

732 ms

twistbioscience.com screenshot

About Website

Visit twistbioscience.com now to see the best up-to-date Twist Bioscience content for United States and also check out these interesting facts you probably never knew about twistbioscience.com

Innovative silicon-based DNA synthesis from Twist Bioscience, a synthetic biology company. Twist Bioscience makes high-quality gene synthesis, oligo pools, exome, NGS target enrichment, variant librar...

Visit twistbioscience.com

Key Findings

We analyzed Twistbioscience.com page load time and found that the first response time was 149 ms and then it took 6.4 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

twistbioscience.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value2,800 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

twistbioscience.com

149 ms

www.twistbioscience.com

180 ms

gtm.js

60 ms

gtm.js

98 ms

slick.css

108 ms

Our browser made a total of 251 requests to load all elements on the main page. We found that 96% of them (240 requests) were addressed to the original Twistbioscience.com, 1% (2 requests) were made to Googletagmanager.com and 1% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Twistbioscience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 173.4 kB (9%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Twistbioscience.com main page is 1.9 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 167.7 kB

  • Original 203.4 kB
  • After minification 203.3 kB
  • After compression 35.7 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 167.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 27 B

  • Original 1.4 MB
  • After minification 1.4 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. Twist Bioscience images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

  • Original 173.3 kB
  • After minification 173.2 kB
  • After compression 170.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 3.2 kB

  • Original 85.1 kB
  • After minification 82.9 kB
  • After compression 81.8 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. Twistbioscience.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 197 (82%)

Requests Now

240

After Optimization

43

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 240 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Twist Bioscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 99 to 1 for JavaScripts and from 92 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

twistbioscience.com

twistbioscience.com

149 ms

www.twistbioscience.com

www.twistbioscience.com

180 ms

gtm.js

gtm.js

60 ms

gtm.js

gtm.js

98 ms

slick.css

slick.css

108 ms

slick.module.css

slick.module.css

110 ms

core.css

core.css

314 ms

ajax-progress.module.css

ajax-progress.module.css

109 ms

align.module.css

align.module.css

117 ms

autocomplete-loading.module.css

autocomplete-loading.module.css

118 ms

fieldgroup.module.css

fieldgroup.module.css

123 ms

container-inline.module.css

container-inline.module.css

398 ms

clearfix.module.css

clearfix.module.css

205 ms

details.module.css

details.module.css

209 ms

hidden.module.css

hidden.module.css

221 ms

item-list.module.css

item-list.module.css

414 ms

js.module.css

js.module.css

502 ms

nowrap.module.css

nowrap.module.css

503 ms

position-container.module.css

position-container.module.css

314 ms

progress.module.css

progress.module.css

406 ms

reset-appearance.module.css

reset-appearance.module.css

650 ms

resize.module.css

resize.module.css

702 ms

sticky-header.module.css

sticky-header.module.css

499 ms

system-status-counter.css

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514 ms

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594 ms

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594 ms

tabledrag.module.css

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590 ms

tablesort.module.css

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608 ms

tree-child.module.css

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693 ms

blazy.css

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688 ms

blazy.loading.css

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923 ms

views.module.css

views.module.css

933 ms

theme.css

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750 ms

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779 ms

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788 ms

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800 ms

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879 ms

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38 ms

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46 ms

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103 ms

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41 ms

dropzone.js

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58 ms

forms2.min.js

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100 ms

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42 ms

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1101 ms

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874 ms

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906 ms

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843 ms

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855 ms

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788 ms

shortcut.css

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816 ms

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833 ms

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758 ms

skip-link.css

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1009 ms

table.css

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817 ms

tabledrag.css

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809 ms

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757 ms

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799 ms

tabs.css

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toolbar.css

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778 ms

vertical-tabs.css

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747 ms

views.css

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968 ms

webform.css

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791 ms

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754 ms

messages-white.css

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739 ms

header.css

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738 ms

main-menu.css

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817 ms

marketo-form.css

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794 ms

bundle.css

bundle.css

768 ms

custom-classes.css

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943 ms

base.css

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716 ms

forms.css

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972 ms

pagination.css

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726 ms

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749 ms

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805 ms

component-tile-link.css

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812 ms

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827 ms

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771 ms

announcments.css

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814 ms

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1041 ms

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784 ms

miscellaneous-b65fcaa263d24fb38bc55f9b95fc0696.css

miscellaneous-b65fcaa263d24fb38bc55f9b95fc0696.css

791 ms

intercom-facade.min.js

intercom-facade.min.js

779 ms

blazy.polyfill.min.js

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793 ms

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791 ms

blazy.classlist.min.js

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826 ms

blazy.promise.min.js

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768 ms

blazy.raf.min.js

blazy.raf.min.js

780 ms

css.escape.js

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797 ms

element.matches.js

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798 ms

object.assign.js

object.assign.js

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nodelist.foreach.js

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735 ms

es6-promise.auto.min.js

es6-promise.auto.min.js

837 ms

once.min.js

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831 ms

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824 ms

drupalSettingsLoader.js

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820 ms

drupal.js

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777 ms

drupal.init.js

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905 ms

debounce.js

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728 ms

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779 ms

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737 ms

disable-selection-min.js

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675 ms

form-min.js

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930 ms

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724 ms

keycode-min.js

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717 ms

plugin-min.js

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711 ms

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763 ms

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scroll-parent-min.js

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labels-min.js

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770 ms

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blazy.sanitizer.min.js

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740 ms

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804 ms

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blazy.base.min.js

781 ms

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996 ms

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775 ms

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781 ms

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bio.min.js

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768 ms

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806 ms

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564 ms

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760 ms

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861 ms

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701 ms

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2 ms

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892 ms

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835 ms

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883 ms

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881 ms

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1041 ms

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1109 ms

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940 ms

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1176 ms

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cookieconsent.min.js

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1241 ms

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999 ms

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1018 ms

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818 ms

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822 ms

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214 ms

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212 ms

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49 ms

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108 ms

Accessibility Review

twistbioscience.com accessibility score

75

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

twistbioscience.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

twistbioscience.com SEO score

71

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

robots.txt is not valid

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

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 Twistbioscience.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 Twistbioscience.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

twistbioscience.com

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