Tools & Wizards About Us
antibodydirectory.com screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

antibodydirectory.com

Antibody Directory - Foremost Antibody Resource Portal

Page Load Speed

1.1 sec in total

First Response

94 ms

Resources Loaded

806 ms

Page Rendered

153 ms

antibodydirectory.com screenshot

About Website

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

A comprehensive antibody resource portal of various antibodies, antigens, enzymes and proteins for molecular life sciences and biotechnology use.More than 157,130 antibodies,ELISA kits proteins, pepti...

Visit antibodydirectory.com

Key Findings

We analyzed Antibodydirectory.com page load time and found that the first response time was 94 ms and then it took 959 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

antibodydirectory.com performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

antibodydirectory.com

94 ms

antibodydirectory.com

225 ms

screen.css

70 ms

main.js

103 ms

jquery.js

168 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 80% of them (37 requests) were addressed to the original Antibodydirectory.com, 9% (4 requests) were made to Bio-world.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (245 ms) belongs to the original domain Antibodydirectory.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.6 kB (17%)

Content Size

952.7 kB

After Optimization

794.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Antibodydirectory.com main page is 952.7 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. 30% of websites need less resources to load. Images take 755.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 59.8 kB

  • Original 70.4 kB
  • After minification 62.8 kB
  • After compression 10.7 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. This page needs HTML code to be minified as it can gain 7.7 kB, which is 11% 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 59.8 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 13.8 kB

  • Original 755.0 kB
  • After minification 741.2 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. Antibody Directory images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 77.6 kB

  • Original 118.1 kB
  • After minification 116.8 kB
  • After compression 40.5 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 77.6 kB or 66% of the original size.

CSS Optimization

-81%

Potential reduce by 7.5 kB

  • Original 9.2 kB
  • After minification 6.1 kB
  • After compression 1.7 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. Antibodydirectory.com needs all CSS files to be minified and compressed as it can save up to 7.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (9%)

Requests Now

35

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Antibody Directory. 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

antibodydirectory.com

antibodydirectory.com

94 ms

antibodydirectory.com

antibodydirectory.com

225 ms

screen.css

screen.css

70 ms

main.js

main.js

103 ms

jquery.js

jquery.js

168 ms

analytics.js

analytics.js

43 ms

covid-19-banner.jpg

covid-19-banner.jpg

179 ms

stabilization_technology.gif

stabilization_technology.gif

89 ms

icon_call.gif

icon_call.gif

118 ms

logo.gif

logo.gif

55 ms

bioworld.jpg

bioworld.jpg

85 ms

separopore.jpg

separopore.jpg

87 ms

plantmedia.jpg

plantmedia.jpg

89 ms

enzymedir.jpg

enzymedir.jpg

90 ms

addirectory_0_1.gif

addirectory_0_1.gif

49 ms

center_back.jpg

center_back.jpg

48 ms

bullet_blue.gif

bullet_blue.gif

49 ms

promotions.jpg

promotions.jpg

49 ms

biolablogo.gif

biolablogo.gif

86 ms

stayinformed.jpg

stayinformed.jpg

87 ms

abd_logo.gif

abd_logo.gif

88 ms

abr_logo.gif

abr_logo.gif

85 ms

bioworld_logo.gif

bioworld_logo.gif

115 ms

biorbyt.gif

biorbyt.gif

128 ms

logo.gif

logo.gif

128 ms

santacruz.gif

santacruz.gif

135 ms

lsbio_logo.gif

lsbio_logo.gif

128 ms

sigma_1.gif

sigma_1.gif

135 ms

fitzgerald_l.jpg

fitzgerald_l.jpg

182 ms

biovision.gif

biovision.gif

174 ms

view-ip.jpg

view-ip.jpg

174 ms

tag-antibodies-bioworld.jpg

tag-antibodies-bioworld.jpg

210 ms

ssb.jpg

ssb.jpg

174 ms

MagneZoomV2.jpg

MagneZoomV2.jpg

245 ms

fitz-banner.gif

fitz-banner.gif

242 ms

magnetalon.gif

magnetalon.gif

210 ms

collect

collect

13 ms

logo.gif

logo.gif

118 ms

js

js

77 ms

stabilization_technology.gif

stabilization_technology.gif

141 ms

bioworld.jpg

bioworld.jpg

220 ms

separopore.jpg

separopore.jpg

223 ms

plantmedia.jpg

plantmedia.jpg

223 ms

enzymedir.jpg

enzymedir.jpg

191 ms

icon_call.gif

icon_call.gif

140 ms

covid-19-banner.jpg

covid-19-banner.jpg

166 ms

Accessibility Review

antibodydirectory.com accessibility score

49

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

Low

No form fields have multiple labels

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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>).

Best Practices

antibodydirectory.com best practices score

42

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

antibodydirectory.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Antibodydirectory.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 Antibodydirectory.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

antibodydirectory.com

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