Tools & Wizards About Us
qlm.soton.ac.uk screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

qlm.soton.ac.uk

Quantum, Light and Matter Group | University of Southampton

Page Load Speed

4.2 sec in total

First Response

341 ms

Resources Loaded

3 sec

Page Rendered

775 ms

qlm.soton.ac.uk screenshot

About Website

Click here to check amazing Qlm Soton content for United Kingdom. Otherwise, check out these important facts you probably never knew about qlm.soton.ac.uk

Quantum, Light and Matter Group . The research group shares a common interest in the nanoscale properties of matter and their interactions with light. Our work aims to advance fundamental knowledge an...

Visit qlm.soton.ac.uk

Key Findings

We analyzed Qlm.soton.ac.uk page load time and found that the first response time was 341 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

qlm.soton.ac.uk performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

qlm.soton.ac.uk

341 ms

www.qlm.soton.ac.uk

347 ms

quantum-light-matter-group

436 ms

quantum-light-matter-group

764 ms

css_AeZNPQqw2OX2ec-kZgi-F0FRhgjEkbUcqQtcnUsCWdw.css

269 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 10% of them (2 requests) were addressed to the original Qlm.soton.ac.uk, 80% (16 requests) were made to Southampton.ac.uk and 5% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (764 ms) relates to the external source Southampton.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.6 kB (43%)

Content Size

553.2 kB

After Optimization

317.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Qlm.soton.ac.uk main page is 553.2 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. Only 10% of websites need less resources to load. HTML takes 315.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 235.4 kB

  • Original 315.3 kB
  • After minification 238.7 kB
  • After compression 79.9 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 76.5 kB, which is 24% 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 235.4 kB or 75% of the original size.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 175.9 kB
  • After minification 175.9 kB
  • After compression 175.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 178 B

  • Original 62.1 kB
  • After minification 62.1 kB
  • After compression 61.9 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. Qlm.soton.ac.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (47%)

Requests Now

15

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Qlm Soton. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

qlm.soton.ac.uk

qlm.soton.ac.uk

341 ms

www.qlm.soton.ac.uk

www.qlm.soton.ac.uk

347 ms

quantum-light-matter-group

quantum-light-matter-group

436 ms

quantum-light-matter-group

quantum-light-matter-group

764 ms

css_AeZNPQqw2OX2ec-kZgi-F0FRhgjEkbUcqQtcnUsCWdw.css

css_AeZNPQqw2OX2ec-kZgi-F0FRhgjEkbUcqQtcnUsCWdw.css

269 ms

css2

css2

28 ms

css_FOOqdCZPYKalK1TDpwmHg6owBOg6o4FkDeq86EmuKw4.css

css_FOOqdCZPYKalK1TDpwmHg6owBOg6o4FkDeq86EmuKw4.css

436 ms

icons.svg

icons.svg

602 ms

quantam-lights.jpg.webp

quantam-lights.jpg.webp

619 ms

simone-de-liberato-cutout.png.webp

simone-de-liberato-cutout.png.webp

507 ms

js_z16ElJlz_t2HZ3xhXqDys_GhP_OSPEbM7_RuLUV7N-Y.js

js_z16ElJlz_t2HZ3xhXqDys_GhP_OSPEbM7_RuLUV7N-Y.js

307 ms

gtm.js

gtm.js

166 ms

gtag.js

gtag.js

306 ms

js_xpulakF5vCgw7qtM4ytWCark3xN323A9M1tu_whE3uw.js

js_xpulakF5vCgw7qtM4ytWCark3xN323A9M1tu_whE3uw.js

327 ms

global_banners.js

global_banners.js

359 ms

clearing_detail.js

clearing_detail.js

364 ms

clearing_listing.js

clearing_listing.js

369 ms

clearing_stub.js

clearing_stub.js

424 ms

font

font

24 ms

icomoon.ttf

icomoon.ttf

151 ms

Accessibility Review

qlm.soton.ac.uk accessibility score

97

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

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

qlm.soton.ac.uk best practices score

75

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

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

qlm.soton.ac.uk SEO score

79

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

High

robots.txt is not valid

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 Qlm.soton.ac.uk 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 Qlm.soton.ac.uk 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

qlm.soton.ac.uk

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