Tools & Wizards About Us
dextran.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

dextran.com

The Global Leader in Pharmaceutical Dextran | Pharmacosmos Dextran

Page Load Speed

3 sec in total

First Response

306 ms

Resources Loaded

2.5 sec

Page Rendered

210 ms

dextran.com screenshot

About Website

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

Pharmacosmos supply Pharmaceutical Quality Dextran fractions complying with the European- (EP), the US- (USP) and the Japanese Pharmacopoeia (JP)

Visit dextran.com

Key Findings

We analyzed Dextran.com page load time and found that the first response time was 306 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dextran.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

dextran.com

306 ms

www.dextran.com

756 ms

font-awesome.min.css

30 ms

css

151 ms

scripts

299 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 84% of them (26 requests) were addressed to the original Dextran.com, 6% (2 requests) were made to Pharmacosmos.containers.piwik.pro and 3% (1 request) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (925 ms) belongs to the original domain Dextran.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 255.3 kB (49%)

Content Size

523.6 kB

After Optimization

268.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dextran.com main page is 523.6 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. 20% of websites need less resources to load. Images take 272.8 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 195.3 kB

  • Original 213.9 kB
  • After minification 193.1 kB
  • After compression 18.6 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. 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 195.3 kB or 91% of the original size.

Image Optimization

-21%

Potential reduce by 56.9 kB

  • Original 272.8 kB
  • After minification 215.9 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. Obviously, Dextran needs image optimization as it can save up to 56.9 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-9%

Potential reduce by 3.1 kB

  • Original 36.9 kB
  • After minification 36.9 kB
  • After compression 33.8 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.

Requests Breakdown

Number of requests can be reduced by 8 (29%)

Requests Now

28

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dextran. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dextran.com

dextran.com

306 ms

www.dextran.com

www.dextran.com

756 ms

font-awesome.min.css

font-awesome.min.css

30 ms

css

css

151 ms

scripts

scripts

299 ms

uc.js

uc.js

123 ms

japan.png

japan.png

211 ms

southkorea.jpg

southkorea.jpg

206 ms

dextran-ch-icon.png

dextran-ch-icon.png

174 ms

dextran-net-icon.png

dextran-net-icon.png

303 ms

icon_cart.png

icon_cart.png

292 ms

pharmacosmos_dextran_cryo_preservation_dextran_frontpage.jpg

pharmacosmos_dextran_cryo_preservation_dextran_frontpage.jpg

466 ms

icon_approved-1-.png

icon_approved-1-.png

417 ms

icon_quality-1.png

icon_quality-1.png

467 ms

global.jpg

global.jpg

617 ms

a4f44d41-a6aa-4e7e-acf9-9fa993805032.js

a4f44d41-a6aa-4e7e-acf9-9fa993805032.js

544 ms

arrow-down.png

arrow-down.png

396 ms

logo.jpg

logo.jpg

392 ms

dextran_fp.jpg

dextran_fp.jpg

790 ms

box-open.png

box-open.png

485 ms

vaccine.jpg

vaccine.jpg

631 ms

bg-eye-1-.png

bg-eye-1-.png

894 ms

protein.jpg

protein.jpg

742 ms

cryopreservation.jpg

cryopreservation.jpg

741 ms

organpreservation.jpg

organpreservation.jpg

833 ms

tn_blood_cell_1.jpg

tn_blood_cell_1.jpg

833 ms

list-arrow.png

list-arrow.png

833 ms

dyrkninghallen_2400x840.jpg

dyrkninghallen_2400x840.jpg

925 ms

logo_small.png

logo_small.png

839 ms

ppms.js

ppms.js

91 ms

ppms.php

ppms.php

361 ms

Accessibility Review

dextran.com accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

dextran.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

Page has valid source maps

SEO Factors

dextran.com SEO score

72

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dextran.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dextran.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

dextran.com

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