Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

polis.leeds.ac.uk

School of Politics and International Studies - Site Homepage | School of Politics and International Studies | University of Leeds

Page Load Speed

3.5 sec in total

First Response

362 ms

Resources Loaded

2.7 sec

Page Rendered

390 ms

polis.leeds.ac.uk screenshot

About Website

Click here to check amazing Polis Leeds content for United Kingdom. Otherwise, check out these important facts you probably never knew about polis.leeds.ac.uk

The School of Politics and International Studies provides undergraduate, masters and research degree study options with dynamic, internationally impactful research activity.

Visit polis.leeds.ac.uk

Key Findings

We analyzed Polis.leeds.ac.uk page load time and found that the first response time was 362 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

polis.leeds.ac.uk performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.544

13/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

polis.leeds.ac.uk

362 ms

politics

873 ms

gtm.js

96 ms

yos6uow.css

64 ms

modernizr-custom.js

310 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Polis.leeds.ac.uk, 33% (13 requests) were made to Production2.leeds.ac.uk and 30% (12 requests) were made to Essl.leeds.ac.uk. The less responsive or slowest element that took the longest time to load (926 ms) relates to the external source Essl.leeds.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.9 kB (9%)

Content Size

698.2 kB

After Optimization

632.3 kB

In fact, the total size of Polis.leeds.ac.uk main page is 698.2 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. 50% of websites need less resources to load. Images take 410.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 51.1 kB

  • Original 59.9 kB
  • After minification 39.0 kB
  • After compression 8.8 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 20.9 kB, which is 35% 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 51.1 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 14.5 kB

  • Original 410.2 kB
  • After minification 395.7 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. Polis Leeds images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 40 B

  • Original 157.9 kB
  • After minification 157.9 kB
  • After compression 157.9 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 291 B

  • Original 70.2 kB
  • After minification 70.2 kB
  • After compression 69.9 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. Polis.leeds.ac.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polis Leeds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

polis.leeds.ac.uk accessibility score

100

Accessibility Issues

Best Practices

polis.leeds.ac.uk best practices score

67

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

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

polis.leeds.ac.uk SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Polis.leeds.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 Polis.leeds.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

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