Tools & Wizards About Us
biosera.com screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

biosera.com

Home - Biosera

Page Load Speed

4.9 sec in total

First Response

302 ms

Resources Loaded

3.5 sec

Page Rendered

1.1 sec

biosera.com screenshot

About Website

Welcome to biosera.com homepage info - get ready to check Biosera best content right away, or after learning these important things about biosera.com

Across the globe, laboratories depend on the exceptional quality of products manufactured by Biosera. Thanks to our extensive international distribution

Visit biosera.com

Key Findings

We analyzed Biosera.com page load time and found that the first response time was 302 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

biosera.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value940 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

biosera.com

302 ms

687 ms

script.js

56 ms

dqel5.css

187 ms

dqel5.css

375 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 77% of them (65 requests) were addressed to the original Biosera.com, 19% (16 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Cdn-cookieyes.com. The less responsive or slowest element that took the longest time to load (887 ms) belongs to the original domain Biosera.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.0 kB (7%)

Content Size

2.8 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biosera.com main page is 2.8 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 120.0 kB

  • Original 144.8 kB
  • After minification 139.7 kB
  • After compression 24.8 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 120.0 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 73.3 kB

  • Original 2.4 MB
  • After minification 2.3 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. Biosera images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 168 B

  • Original 200.0 kB
  • After minification 200.0 kB
  • After compression 199.8 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

-1%

Potential reduce by 554 B

  • Original 93.7 kB
  • After minification 93.7 kB
  • After compression 93.1 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. Biosera.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (50%)

Requests Now

60

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biosera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

biosera.com

biosera.com

302 ms

687 ms

script.js

script.js

56 ms

dqel5.css

dqel5.css

187 ms

dqel5.css

dqel5.css

375 ms

post-7.css

post-7.css

276 ms

dqel5.css

dqel5.css

285 ms

post-3458.css

post-3458.css

279 ms

post-53.css

post-53.css

278 ms

post-221.css

post-221.css

282 ms

css

css

42 ms

dqel5.css

dqel5.css

367 ms

dqel5.css

dqel5.css

369 ms

dqel5.css

dqel5.css

369 ms

log

log

519 ms

dqel5.css

dqel5.css

345 ms

dqel5.css

dqel5.css

275 ms

hello-frontend.min.js

hello-frontend.min.js

506 ms

jquery.min.js

jquery.min.js

511 ms

jquery-migrate.min.js

jquery-migrate.min.js

505 ms

jquery.sticky.min.js

jquery.sticky.min.js

506 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

507 ms

imagesloaded.min.js

imagesloaded.min.js

506 ms

bdt-uikit.min.js

bdt-uikit.min.js

627 ms

webpack.runtime.min.js

webpack.runtime.min.js

508 ms

frontend-modules.min.js

frontend-modules.min.js

509 ms

waypoints.min.js

waypoints.min.js

510 ms

core.min.js

core.min.js

507 ms

frontend.min.js

frontend.min.js

635 ms

prime-slider-site.min.js

prime-slider-site.min.js

635 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

635 ms

hooks.min.js

hooks.min.js

633 ms

i18n.min.js

i18n.min.js

634 ms

frontend.min.js

frontend.min.js

744 ms

elements-handlers.min.js

elements-handlers.min.js

746 ms

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biosera-logo-320x77px-header-qf1v5utmfjse9xu4rayibuqvyq5g4665ylg8nd6g3k.png

408 ms

examining-sample-with-microscope-Custom-min.jpg

examining-sample-with-microscope-Custom-min.jpg

540 ms

biosera-cell-culture-media-slide.jpg

biosera-cell-culture-media-slide.jpg

542 ms

biosera-salts-salt-solutions-and-buffers-slide-1.jpg

biosera-salts-salt-solutions-and-buffers-slide-1.jpg

543 ms

Biosera-products.png

Biosera-products.png

722 ms

biotech-as-logo-2.png

biotech-as-logo-2.png

476 ms

kriticos-logo-1.png

kriticos-logo-1.png

476 ms

BioNordika-Norge.png

BioNordika-Norge.png

542 ms

invitro-as-logo-1.png

invitro-as-logo-1.png

541 ms

Grosseron-Logo-france.png

Grosseron-Logo-france.png

633 ms

molgen-logo.png

molgen-logo.png

636 ms

omixys-logo-1.png

omixys-logo-1.png

634 ms

Helvetica-Biotech-Switzerland.png

Helvetica-Biotech-Switzerland.png

636 ms

krishgen-biosystems.png

krishgen-biosystems.png

634 ms

ptc-international-logo.png

ptc-international-logo.png

723 ms

matrioux-malaysia-logo.png

matrioux-malaysia-logo.png

727 ms

idnabiotechnology.png

idnabiotechnology.png

696 ms

attenbio-research-spain-logo.png

attenbio-research-spain-logo.png

565 ms

petri-dishes-medical-lab-with-dropper-1-Custom.jpg

petri-dishes-medical-lab-with-dropper-1-Custom.jpg

655 ms

liquid-drop-from-laboratory-glass-pipette-test-tube-Custom.jpg

liquid-drop-from-laboratory-glass-pipette-test-tube-Custom.jpg

649 ms

Fetal-Bovine-Serum-EU-origin-BIOSERA.png

Fetal-Bovine-Serum-EU-origin-BIOSERA.png

742 ms

DMEM-High-Glucose.png

DMEM-High-Glucose.png

751 ms

Dulbeccos-Phosphate-Buffered-Saline-10X-Solution-Biosera.png

Dulbeccos-Phosphate-Buffered-Saline-10X-Solution-Biosera.png

837 ms

Antibiotic-Antimycotic-100-x-Biosera.png

Antibiotic-Antimycotic-100-x-Biosera.png

748 ms

Trypsin-025-in-PBS-wo-Calcium-and-Magnisium-with-Phenol-Red.png

Trypsin-025-in-PBS-wo-Calcium-and-Magnisium-with-Phenol-Red.png

828 ms

Asset-1@4x-Custom.png

Asset-1@4x-Custom.png

745 ms

biosera-logo-320x77px-header.png

biosera-logo-320x77px-header.png

830 ms

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172 ms

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134 ms

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172 ms

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174 ms

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175 ms

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175 ms

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173 ms

fa-solid-900.woff

fa-solid-900.woff

835 ms

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172 ms

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176 ms

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176 ms

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177 ms

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177 ms

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174 ms

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174 ms

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231 ms

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232 ms

fa-regular-400.woff

fa-regular-400.woff

761 ms

fa-brands-400.woff

fa-brands-400.woff

761 ms

eicons.woff

eicons.woff

860 ms

prime-slider-font.ttf

prime-slider-font.ttf

860 ms

glass-laboratory-flasks-light-table-Custom-min.jpg

glass-laboratory-flasks-light-table-Custom-min.jpg

887 ms

Accessibility Review

biosera.com accessibility score

88

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

biosera.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

biosera.com SEO score

75

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biosera.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 Biosera.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

biosera.com

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