Tools & Wizards About Us
astellbio.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 68

    SEO

    Google-friendlier than
    28% of websites

astellbio.com

Effluent Decontamination Systems from AstellBio | AstellBio UK

Page Load Speed

4.2 sec in total

First Response

268 ms

Resources Loaded

2.6 sec

Page Rendered

1.3 sec

astellbio.com screenshot

About Website

Click here to check amazing Astell Bio content. Otherwise, check out these important facts you probably never knew about astellbio.com

AstellBio are the leaders in Effluent Decontamination Systems (EDS) with a rich knowledge and expertise to offer guidance for your laboratory development."

Visit astellbio.com

Key Findings

We analyzed Astellbio.com page load time and found that the first response time was 268 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

astellbio.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

astellbio.com

268 ms

astellbio.com

672 ms

css

38 ms

jquery.mCustomScrollbar.css

79 ms

owl.carousel.min.css

156 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 84% of them (57 requests) were addressed to the original Astellbio.com, 9% (6 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Astellbio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (11%)

Content Size

10.5 MB

After Optimization

9.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astellbio.com main page is 10.5 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 10.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 146.6 kB

  • Original 186.8 kB
  • After minification 160.5 kB
  • After compression 40.2 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 26.2 kB, which is 14% 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 146.6 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 992.1 kB

  • Original 10.1 MB
  • After minification 9.1 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. Astell Bio images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 35.8 kB

  • Original 174.8 kB
  • After minification 174.8 kB
  • After compression 139.0 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 35.8 kB or 20% of the original size.

CSS Optimization

-14%

Potential reduce by 8.6 kB

  • Original 61.5 kB
  • After minification 61.5 kB
  • After compression 52.8 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. Astellbio.com needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (33%)

Requests Now

60

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astell 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 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

astellbio.com

astellbio.com

268 ms

astellbio.com

astellbio.com

672 ms

css

css

38 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

79 ms

owl.carousel.min.css

owl.carousel.min.css

156 ms

owl.theme.default.min.css

owl.theme.default.min.css

232 ms

theme.css

theme.css

312 ms

uploader.css

uploader.css

240 ms

jquery.js

jquery.js

370 ms

bootstrap.js

bootstrap.js

236 ms

owl.carousel.js

owl.carousel.js

381 ms

jquery.mCustomScrollbar.js

jquery.mCustomScrollbar.js

395 ms

moment.js

moment.js

400 ms

jquery.matchHeight.js

jquery.matchHeight.js

379 ms

main.js

main.js

399 ms

cookieControl-8.x.min.js

cookieControl-8.x.min.js

39 ms

cookie-consent.js

cookie-consent.js

417 ms

framework.combined-min.js

framework.combined-min.js

418 ms

framework.extras-min.css

framework.extras-min.css

417 ms

form.js

form.js

499 ms

dropzone.js

dropzone.js

498 ms

file-multi.js

file-multi.js

504 ms

jquery-ui.min.js

jquery-ui.min.js

503 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

959 ms

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882 ms

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663 ms

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1269 ms

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1114 ms

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1125 ms

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thumb__0_0_0_0_auto.jpg

819 ms

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thumb__0_0_0_0_auto.png

1265 ms

AstellBio%20011123%20Logo%20revision-02.png

AstellBio%20011123%20Logo%20revision-02.png

1037 ms

NEWSICON-05-02.png

NEWSICON-05-02.png

1073 ms

questionnaire.png

questionnaire.png

1190 ms

resources_folder.png

resources_folder.png

1187 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

1189 ms

EDS%20types%20Icons-07.png

EDS%20types%20Icons-07.png

1199 ms

EDS%20types%20Icons-09.png

EDS%20types%20Icons-09.png

1266 ms

EDS%20types%20Icons-11.png

EDS%20types%20Icons-11.png

1298 ms

white-arrow.svg

white-arrow.svg

943 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

973 ms

circle.svg

circle.svg

1017 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

1028 ms

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thumb__0_0_0_0_auto.jpg

1028 ms

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1047 ms

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1086 ms

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1012 ms

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1071 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

65 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ik4zwlxdr.ttf

79 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

115 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

254 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

256 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

255 ms

thumb__0_0_0_0_auto.png

thumb__0_0_0_0_auto.png

1068 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

227 ms

thumb__0_0_0_0_auto.png

thumb__0_0_0_0_auto.png

1054 ms

thumb__0_0_0_0_auto.png

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1036 ms

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1056 ms

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1107 ms

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1116 ms

v

v

498 ms

thumb__0_0_0_0_auto.png

thumb__0_0_0_0_auto.png

1100 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

1034 ms

yellow-arrow.svg

yellow-arrow.svg

1032 ms

check

check

169 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

923 ms

thumb__0_0_0_0_auto.jpg

thumb__0_0_0_0_auto.jpg

981 ms

Accessibility Review

astellbio.com accessibility score

74

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

Form elements do not have associated labels

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

Best Practices

astellbio.com best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

astellbio.com SEO score

68

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 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 Astellbio.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 Astellbio.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

astellbio.com

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