Tools & Wizards About Us
unibus.co.uk screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

unibus.co.uk

Travelling to Derby by bus - Derby - University of Derby

Page Load Speed

6.1 sec in total

First Response

320 ms

Resources Loaded

4.6 sec

Page Rendered

1.2 sec

unibus.co.uk screenshot

About Website

Visit unibus.co.uk now to see the best up-to-date Uni Bus content and also check out these interesting facts you probably never knew about unibus.co.uk

Unibus travel is more sustainable than single-occupancy cars. Find out more about where our buses run from and how often. 

Visit unibus.co.uk

Key Findings

We analyzed Unibus.co.uk page load time and found that the first response time was 320 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

unibus.co.uk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value10,020 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

320 ms

170 ms

otSDKStub.js

252 ms

css

319 ms

global.css

113 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Unibus.co.uk, 13% (6 requests) were made to Derby.ac.uk and 9% (4 requests) were made to Derbyu-new-search.squiz.cloud. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cdn-derbyacuk.terminalfour.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.6 kB (18%)

Content Size

1.2 MB

After Optimization

953.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Unibus.co.uk 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. 70% of websites need less resources to load. CSS take 527.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 197.4 kB

  • Original 251.7 kB
  • After minification 222.8 kB
  • After compression 54.3 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 28.8 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 197.4 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 21 B

  • Original 301.3 kB
  • After minification 301.3 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. Uni Bus images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 14.5 kB

  • Original 86.2 kB
  • After minification 86.2 kB
  • After compression 71.7 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 14.5 kB or 17% of the original size.

CSS Optimization

-0%

Potential reduce by 682 B

  • Original 527.0 kB
  • After minification 527.0 kB
  • After compression 526.3 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. Unibus.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (73%)

Requests Now

40

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uni Bus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

320 ms

170 ms

otSDKStub.js

otSDKStub.js

252 ms

css

css

319 ms

global.css

global.css

113 ms

app.css

app.css

1383 ms

jquery.min.js

jquery.min.js

390 ms

app.js

app.js

822 ms

typeahead.bundle-0.11.1.min.js

typeahead.bundle-0.11.1.min.js

1566 ms

handlebars-4.0.5.min.js

handlebars-4.0.5.min.js

1567 ms

funnelback.autocompletion-2.6.0.js

funnelback.autocompletion-2.6.0.js

1566 ms

typeahead.config.js

typeahead.config.js

1566 ms

component-loader.js

component-loader.js

804 ms

d6b9d356-1d9e-45d5-9fdc-14a82731bac3.json

d6b9d356-1d9e-45d5-9fdc-14a82731bac3.json

153 ms

gtm.js

gtm.js

569 ms

travelling-by-bus-hero.jpg

travelling-by-bus-hero.jpg

1669 ms

otBannerSdk.js

otBannerSdk.js

288 ms

en.json

en.json

303 ms

optimize.js

optimize.js

739 ms

analytics.js

analytics.js

864 ms

quant.js

quant.js

659 ms

fbevents.js

fbevents.js

719 ms

js

js

323 ms

otFlat.json

otFlat.json

197 ms

otPcCenter.json

otPcCenter.json

448 ms

rules-p-jrd8RBQxBuwBp.js

rules-p-jrd8RBQxBuwBp.js

524 ms

468377947362007

468377947362007

409 ms

bounce

bounce

366 ms

collect

collect

338 ms

collect

collect

373 ms

iMvdb0pHHxbf4mM=

iMvdb0pHHxbf4mM=

69 ms

iHg6f1qcDYfn9wcEXI4vrmDZQH8DDxhobeFEmfK2PWxRu9Kg5aPPT+Ly8JXSwTvuNOES

iHg6f1qcDYfn9wcEXI4vrmDZQH8DDxhobeFEmfK2PWxRu9Kg5aPPT+Ly8JXSwTvuNOES

65 ms

o-0IIpQlx3QUlC5A4PNr5TRF.ttf

o-0IIpQlx3QUlC5A4PNr5TRF.ttf

247 ms

o-0NIpQlx3QUlC5A4PNjXhFVZNyE.ttf

o-0NIpQlx3QUlC5A4PNjXhFVZNyE.ttf

249 ms

eJvIFOR6GtlToORCnYr3Nu1UKm9d9sfw7Z3LKQ9cVb8B1bSR+QAAAA==

eJvIFOR6GtlToORCnYr3Nu1UKm9d9sfw7Z3LKQ9cVb8B1bSR+QAAAA==

63 ms

pixel;r=640517274;rf=0;a=p-jrd8RBQxBuwBp;url=https%3A%2F%2Fwww.derby.ac.uk%2Ffind-us%2Fderby%2Ftravelling-to-derby-by-bus%2F;uht=2;fpan=1;fpa=P0-1030639780-1664886192364;pbc=;ns=0;ce=1;qjs=1;qv=39016d63-20220929161725;cm=;gdpr=0;ref=;d=derby.ac.uk;dst=0;et=1664886192363;tzo=-180;ogl=description.Unibus%20travel%20is%C2%A0more%20sustainable%20than%20single-occupancy%20cars%252E%20Find%20out%20more%20abou%2Ctitle.Travelling%20to%20Derby%20by%20bus%2Curl.https%3A%2F%2Fwww%252Ederby%252Eac%252Euk%2Ffind-us%2Fderby%2Ftravelling-to-derby-by-bus%2F%2Cimage.https%3A%2F%2Fcdn-derbyacuk%252Eterminalfour%252Enet%2Fmedia%2Fderbyacuk%2Fassets%2Fdepartments%2Festate;ses=028c3acb-4c8d-4928-9175-30264a039553

pixel;r=640517274;rf=0;a=p-jrd8RBQxBuwBp;url=https%3A%2F%2Fwww.derby.ac.uk%2Ffind-us%2Fderby%2Ftravelling-to-derby-by-bus%2F;uht=2;fpan=1;fpa=P0-1030639780-1664886192364;pbc=;ns=0;ce=1;qjs=1;qv=39016d63-20220929161725;cm=;gdpr=0;ref=;d=derby.ac.uk;dst=0;et=1664886192363;tzo=-180;ogl=description.Unibus%20travel%20is%C2%A0more%20sustainable%20than%20single-occupancy%20cars%252E%20Find%20out%20more%20abou%2Ctitle.Travelling%20to%20Derby%20by%20bus%2Curl.https%3A%2F%2Fwww%252Ederby%252Eac%252Euk%2Ffind-us%2Fderby%2Ftravelling-to-derby-by-bus%2F%2Cimage.https%3A%2F%2Fcdn-derbyacuk%252Eterminalfour%252Enet%2Fmedia%2Fderbyacuk%2Fassets%2Fdepartments%2Festate;ses=028c3acb-4c8d-4928-9175-30264a039553

279 ms

admtracker.lib.min.js

admtracker.lib.min.js

194 ms

263182877367236

263182877367236

90 ms

hotjar-451220.js

hotjar-451220.js

209 ms

xfbml.customerchat.js

xfbml.customerchat.js

144 ms

insight.min.js

insight.min.js

200 ms

ga-audiences

ga-audiences

187 ms

140 ms

223 ms

modules.61e17720cf639c3e96a7.js

modules.61e17720cf639c3e96a7.js

111 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

149 ms

26 ms

Accessibility Review

unibus.co.uk accessibility score

100

Accessibility Issues

Best Practices

unibus.co.uk best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

unibus.co.uk SEO score

92

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 Unibus.co.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 Unibus.co.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

unibus.co.uk

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