Tools & Wizards About Us
nitschkegroup-cambridge.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nitschkegroup-cambridge.com

Nitschke Group - University of Cambridge - Supramolecular Chemistry

Page Load Speed

1.1 sec in total

First Response

95 ms

Resources Loaded

917 ms

Page Rendered

52 ms

nitschkegroup-cambridge.com screenshot

About Website

Visit nitschkegroup-cambridge.com now to see the best up-to-date Nitschke Group Cambridge content for India and also check out these interesting facts you probably never knew about nitschkegroup-cambridge.com

This is the homepage of Professor Jonathan R. Nitschke's group at the University of Cambridge. We are interested in metallosupramolecular chemistry.

Visit nitschkegroup-cambridge.com

Key Findings

We analyzed Nitschkegroup-cambridge.com page load time and found that the first response time was 95 ms and then it took 969 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

nitschkegroup-cambridge.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

www.nitschkegroup-cambridge.com

95 ms

minified.js

29 ms

focus-within-polyfill.js

29 ms

polyfill.min.js

26 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

103 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nitschkegroup-cambridge.com, 42% (22 requests) were made to Static.wixstatic.com and 28% (15 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (603 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 689.8 kB (58%)

Content Size

1.2 MB

After Optimization

504.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Nitschkegroup-cambridge.com main page is 1.2 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. 30% of websites need less resources to load. HTML takes 785.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 620.5 kB

  • Original 785.1 kB
  • After minification 783.3 kB
  • After compression 164.6 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 620.5 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 21.2 kB

  • Original 120.5 kB
  • After minification 99.3 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, Nitschke Group Cambridge needs image optimization as it can save up to 21.2 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-17%

Potential reduce by 48.1 kB

  • Original 288.8 kB
  • After minification 288.8 kB
  • After compression 240.7 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 48.1 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (27%)

Requests Now

37

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nitschke Group Cambridge. 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.nitschkegroup-cambridge.com

www.nitschkegroup-cambridge.com

95 ms

minified.js

minified.js

29 ms

focus-within-polyfill.js

focus-within-polyfill.js

29 ms

polyfill.min.js

polyfill.min.js

26 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

thunderbolt-commons.60ed9a5a.bundle.min.js

103 ms

main.dda15fae.bundle.min.js

main.dda15fae.bundle.min.js

104 ms

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

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

102 ms

lodash.min.js

lodash.min.js

102 ms

react.production.min.js

react.production.min.js

103 ms

react-dom.production.min.js

react-dom.production.min.js

121 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

119 ms

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84770f_06e8032854624b97af34eade16635414.png

77 ms

bundle.min.js

bundle.min.js

71 ms

TetrahedralCage_Stylized-green_edited_pn.png

TetrahedralCage_Stylized-green_edited_pn.png

262 ms

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264 ms

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330 ms

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50b68b_affd174f3bed417b9673fd7893a2c3f4~mv2.jpg

474 ms

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240 ms

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88 ms

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218 ms

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482 ms

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243 ms

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245 ms

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394 ms

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385 ms

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388 ms

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331 ms

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332 ms

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474 ms

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533 ms

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486 ms

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584 ms

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580 ms

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603 ms

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5 ms

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9 ms

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9 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

23 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

nitschkegroup-cambridge.com accessibility score

96

Accessibility Issues

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

nitschkegroup-cambridge.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

nitschkegroup-cambridge.com SEO score

93

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

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 Nitschkegroup-cambridge.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 Nitschkegroup-cambridge.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

nitschkegroup-cambridge.com

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