Tools & Wizards About Us
hollandlab.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

hollandlab.com

The Holland Lab | Centriole Research | JHU Graduate Lab | United States

Page Load Speed

2.9 sec in total

First Response

142 ms

Resources Loaded

2.7 sec

Page Rendered

81 ms

hollandlab.com screenshot

About Website

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

Welcome to the Holland Lab, where centrioles are almost as exciting as the science we do with them! We are interested in the molecular mechanisms that control accurate chromosome distribution and the ...

Visit hollandlab.com

Key Findings

We analyzed Hollandlab.com page load time and found that the first response time was 142 ms and then it took 2.8 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

hollandlab.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.7 s

13/100

10%

Network Requests Diagram

www.hollandlab.com

142 ms

minified.js

51 ms

focus-within-polyfill.js

49 ms

polyfill.min.js

839 ms

thunderbolt-commons.3a64b3ed.bundle.min.js

75 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Hollandlab.com, 51% (40 requests) were made to Static.wixstatic.com and 28% (22 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 960.2 kB (35%)

Content Size

2.7 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Hollandlab.com main page is 2.7 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. 55% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 592.8 kB

  • Original 757.5 kB
  • After minification 755.8 kB
  • After compression 164.7 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. 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 592.8 kB or 78% of the original size.

Image Optimization

-16%

Potential reduce by 262.9 kB

  • Original 1.6 MB
  • After minification 1.4 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. Obviously, Holland Lab needs image optimization as it can save up to 262.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-30%

Potential reduce by 104.5 kB

  • Original 349.5 kB
  • After minification 349.5 kB
  • After compression 244.9 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 104.5 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (18%)

Requests Now

55

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Holland Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.hollandlab.com

www.hollandlab.com

142 ms

minified.js

minified.js

51 ms

focus-within-polyfill.js

focus-within-polyfill.js

49 ms

polyfill.min.js

polyfill.min.js

839 ms

thunderbolt-commons.3a64b3ed.bundle.min.js

thunderbolt-commons.3a64b3ed.bundle.min.js

75 ms

main.380e55cc.bundle.min.js

main.380e55cc.bundle.min.js

77 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

29 ms

lodash.min.js

lodash.min.js

76 ms

react.production.min.js

react.production.min.js

76 ms

react-dom.production.min.js

react-dom.production.min.js

78 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

76 ms

Food%20and%20Flower.jpg

Food%20and%20Flower.jpg

238 ms

Shoes%20on%20Display.jpg

Shoes%20on%20Display.jpg

249 ms

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Holland%20Lab%20Emblem%20White-01.png

401 ms

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441 ms

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492 ms

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416 ms

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400 ms

people.jpg

people.jpg

567 ms

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631 ms

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615 ms

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688 ms

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648 ms

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644 ms

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781 ms

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841 ms

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850 ms

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826 ms

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810 ms

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834 ms

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897 ms

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959 ms

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1038 ms

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963 ms

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986 ms

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1032 ms

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1069 ms

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1177 ms

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1151 ms

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1090 ms

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1213 ms

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1205 ms

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1174 ms

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1287 ms

Holland%20Lab%20Emblem%20White-01.png

Holland%20Lab%20Emblem%20White-01.png

1249 ms

ACS-logo.png

ACS-logo.png

1332 ms

Funding_pew-charitable-trusts.png

Funding_pew-charitable-trusts.png

1327 ms

bundle.min.js

bundle.min.js

150 ms

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15 ms

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15 ms

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14 ms

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14 ms

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15 ms

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13 ms

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35 ms

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34 ms

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34 ms

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34 ms

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1136 ms

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1116 ms

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984 ms

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nigms_logo-vertical-01.png

1077 ms

deprecation-en.v5.html

deprecation-en.v5.html

8 ms

bolt-performance

bolt-performance

29 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

7 ms

Accessibility Review

hollandlab.com accessibility score

96

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

button, link, and menuitem elements do not have accessible names.

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

hollandlab.com best practices score

92

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

Page has valid source maps

SEO Factors

hollandlab.com SEO score

100

Search Engine Optimization Advices

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

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 Hollandlab.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 Hollandlab.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

hollandlab.com

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