Tools & Wizards About Us
novusbio.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% 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

  • 71

    SEO

    Google-friendlier than
    30% of websites

novusbio.com

Antibodies, Kits, Proteins and Research Reagents: Novus Biologicals

Page Load Speed

2.8 sec in total

First Response

464 ms

Resources Loaded

2.1 sec

Page Rendered

191 ms

novusbio.com screenshot

About Website

Welcome to novusbio.com homepage info - get ready to check Novus Bio best content for United States right away, or after learning these important things about novusbio.com

Global antibody supplier and research reagent supplier to the life science community. Find antibodies and reagents all backed by our Guarantee+.

Visit novusbio.com

Key Findings

We analyzed Novusbio.com page load time and found that the first response time was 464 ms and then it took 2.3 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

novusbio.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.593

11/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

www.novusbio.com

464 ms

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8 ms

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24 ms

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9 ms

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29 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 24% of them (18 requests) were addressed to the original Novusbio.com, 12% (9 requests) were made to D.adroll.com and 11% (8 requests) were made to Images.novusbio.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Surveyanalytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 887.7 kB (51%)

Content Size

1.8 MB

After Optimization

868.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Novusbio.com main page is 1.8 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. 60% of websites need less resources to load. Javascripts take 943.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 62.2 kB

  • Original 82.4 kB
  • After minification 79.0 kB
  • After compression 20.2 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. 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 62.2 kB or 76% of the original size.

Image Optimization

-17%

Potential reduce by 107.3 kB

  • Original 613.4 kB
  • After minification 506.1 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, Novus Bio needs image optimization as it can save up to 107.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 621.6 kB

  • Original 943.4 kB
  • After minification 929.8 kB
  • After compression 321.8 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 621.6 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 96.6 kB

  • Original 116.6 kB
  • After minification 116.5 kB
  • After compression 20.0 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. Novusbio.com needs all CSS files to be minified and compressed as it can save up to 96.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (65%)

Requests Now

57

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Novus 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 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.novusbio.com

www.novusbio.com

464 ms

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8 ms

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24 ms

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9 ms

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29 ms

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14 ms

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15 ms

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24 ms

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15 ms

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17 ms

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17 ms

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16 ms

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18 ms

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18 ms

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24 ms

gtm.js

gtm.js

76 ms

logoSprite-08-19-2015.png

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113 ms

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641 ms

topbarinfo

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189 ms

cartsummary

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177 ms

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571 ms

throbberNovus.gif

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568 ms

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39 ms

analytics.js

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38 ms

roundtrip.js

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26 ms

tracking.js

tracking.js

87 ms

nvsbiologicaltest5.js

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324 ms

wcslog.js

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7 ms

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20 ms

m

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519 ms

ec.js

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23 ms

collect

collect

19 ms

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139 ms

collect

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61 ms

script_data.js

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168 ms

flagSprite080813.png

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ga-audiences

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42 ms

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10 ms

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u.php

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sync

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79 ms

pixel

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111 ms

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localization.en.2.3632191afe35222a6b78c04d457adc0d_470bd04aeceb63ec0c18360489ec9094.js

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89 ms

ping

ping

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tap.php

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Accessibility Review

novusbio.com accessibility score

88

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 have valid values

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.

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

Links do not have a discernible name

Best Practices

novusbio.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

novusbio.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

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 Novusbio.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 Novusbio.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

novusbio.com

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