Tools & Wizards About Us
oerc.ox.ac.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

oerc.ox.ac.uk

Oxford e-Research Centre, Department of Engineering Science at Oxford

Page Load Speed

2.1 sec in total

First Response

369 ms

Resources Loaded

1.4 sec

Page Rendered

321 ms

oerc.ox.ac.uk screenshot

About Website

Click here to check amazing Oerc Ox content for United Kingdom. Otherwise, check out these important facts you probably never knew about oerc.ox.ac.uk

A multidisciplinary data science research and education institute, part of the Department of Engineering Science at the University of Oxford

Visit oerc.ox.ac.uk

Key Findings

We analyzed Oerc.ox.ac.uk page load time and found that the first response time was 369 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

oerc.ox.ac.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value15.2 s

1/100

10%

TBT (Total Blocking Time)

Value10,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.095

91/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

oerc.ox.ac.uk

369 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

152 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

160 ms

css_LY9b3u3Y9VZOERPDZbmOovUcwigb2f9oFzGlNEVqklc.css

158 ms

css_l3z3qPykmQ73AZvRJR9YsPrWj9XS_Z_dWqhugtMRsyw.css

160 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 71% of them (52 requests) were addressed to the original Oerc.ox.ac.uk, 3% (2 requests) were made to Wd-edge.sharethis.com and 3% (2 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (600 ms) belongs to the original domain Oerc.ox.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 807.1 kB (51%)

Content Size

1.6 MB

After Optimization

780.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oerc.ox.ac.uk main page is 1.6 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. 60% of websites need less resources to load. Images take 681.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 55.3 kB

  • Original 68.8 kB
  • After minification 65.6 kB
  • After compression 13.5 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 55.3 kB or 80% of the original size.

Image Optimization

-13%

Potential reduce by 90.6 kB

  • Original 681.3 kB
  • After minification 590.7 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. Obviously, Oerc Ox needs image optimization as it can save up to 90.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 374.7 kB

  • Original 498.0 kB
  • After minification 412.2 kB
  • After compression 123.3 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 374.7 kB or 75% of the original size.

CSS Optimization

-85%

Potential reduce by 286.5 kB

  • Original 339.0 kB
  • After minification 331.8 kB
  • After compression 52.5 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. Oerc.ox.ac.uk needs all CSS files to be minified and compressed as it can save up to 286.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (45%)

Requests Now

67

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oerc Ox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

oerc.ox.ac.uk

oerc.ox.ac.uk

369 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

152 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

160 ms

css_LY9b3u3Y9VZOERPDZbmOovUcwigb2f9oFzGlNEVqklc.css

css_LY9b3u3Y9VZOERPDZbmOovUcwigb2f9oFzGlNEVqklc.css

158 ms

css_l3z3qPykmQ73AZvRJR9YsPrWj9XS_Z_dWqhugtMRsyw.css

css_l3z3qPykmQ73AZvRJR9YsPrWj9XS_Z_dWqhugtMRsyw.css

160 ms

css_-3Tl7ZO65lZB-0BFG8MxC3_LSrV4O-b9FoSy4gites8.css

css_-3Tl7ZO65lZB-0BFG8MxC3_LSrV4O-b9FoSy4gites8.css

246 ms

css_7Cc4A70z49PyhFjQyaNDkV9kbicAl2kLOVPp_RVXK9o.css

css_7Cc4A70z49PyhFjQyaNDkV9kbicAl2kLOVPp_RVXK9o.css

161 ms

css

css

25 ms

css_kcPefM-jyZy9j9ejyDvX_ypC2Dp4raKGZEtHrlStj4k.css

css_kcPefM-jyZy9j9ejyDvX_ypC2Dp4raKGZEtHrlStj4k.css

229 ms

css_Mlaa9YS8Y6v3shmw9cWAwl2ZygfnYGWOxXfmQGbebmU.css

css_Mlaa9YS8Y6v3shmw9cWAwl2ZygfnYGWOxXfmQGbebmU.css

236 ms

js_CZc4VQVZPs0w0Bvckm4k9vrmE8NdjNXb9R8dflrquKk.js

js_CZc4VQVZPs0w0Bvckm4k9vrmE8NdjNXb9R8dflrquKk.js

312 ms

js_hhY9COAjKiepOEctWpmI7emSy8BqpGZO07NOE9LsIpI.js

js_hhY9COAjKiepOEctWpmI7emSy8BqpGZO07NOE9LsIpI.js

329 ms

js_8w5FArrhs-aLo0Uiy1C3-astV2HdcOTv5EEo2_k0_z8.js

js_8w5FArrhs-aLo0Uiy1C3-astV2HdcOTv5EEo2_k0_z8.js

256 ms

js_CVbqo52nuRt5ChrdG8uciCUtkq4Ne3GalUXISRsxfcA.js

js_CVbqo52nuRt5ChrdG8uciCUtkq4Ne3GalUXISRsxfcA.js

306 ms

lightbox.js

lightbox.js

464 ms

js_Lw8ANva1zrSsvx--TSg7-_qpD_OaSTWC-W_yRqXgmdc.js

js_Lw8ANva1zrSsvx--TSg7-_qpD_OaSTWC-W_yRqXgmdc.js

332 ms

js_rSgg-8niRwO8jVtogQUn9LPLLc-pzy79yx6KBXVy7yU.js

js_rSgg-8niRwO8jVtogQUn9LPLLc-pzy79yx6KBXVy7yU.js

333 ms

js_43n5FBy8pZxQHxPXkf-sQF7ZiacVZke14b0VlvSA554.js

js_43n5FBy8pZxQHxPXkf-sQF7ZiacVZke14b0VlvSA554.js

382 ms

buttons.js

buttons.js

6 ms

js_Dpwj9_jdZx11LB9vWakYPT-NglBvlNPbjDg8kKHykyQ.js

js_Dpwj9_jdZx11LB9vWakYPT-NglBvlNPbjDg8kKHykyQ.js

386 ms

ga.js

ga.js

53 ms

background-bubbles.jpg

background-bubbles.jpg

241 ms

newoerc_logo.jpg

newoerc_logo.jpg

237 ms

university_of_oxford.png

university_of_oxford.png

235 ms

border.png

border.png

236 ms

search_0_0.png

search_0_0.png

235 ms

bruce-banner-resize.jpg

bruce-banner-resize.jpg

402 ms

data-banner%20copy.jpg

data-banner%20copy.jpg

312 ms

business-banner.jpg

business-banner.jpg

292 ms

people-banner.jpg

people-banner.jpg

291 ms

medical-banner_0.jpg

medical-banner_0.jpg

292 ms

arts-humanities.jpg

arts-humanities.jpg

293 ms

Internet-information-interaction.jpg

Internet-information-interaction.jpg

315 ms

data-repository.jpg

data-repository.jpg

342 ms

biological-medical.jpg

biological-medical.jpg

342 ms

energy-environment.jpg

energy-environment.jpg

354 ms

physical-and-engineering.jpg

physical-and-engineering.jpg

400 ms

scientific-computing.jpg

scientific-computing.jpg

406 ms

Internet-information-interaction.jpg

Internet-information-interaction.jpg

408 ms

citizen-science.jpg

citizen-science.jpg

407 ms

industrial3.jpg

industrial3.jpg

429 ms

Contact-Us.jpg

Contact-Us.jpg

477 ms

e-infrastructure.jpg

e-infrastructure.jpg

476 ms

Prose40Logo.jpg

Prose40Logo.jpg

486 ms

Flooding16.jpg

Flooding16.jpg

482 ms

IEA.jpg

IEA.jpg

485 ms

Cloud%20Sq_0.jpg

Cloud%20Sq_0.jpg

506 ms

DDR-Ada-Talk.jpg

DDR-Ada-Talk.jpg

554 ms

IoT.jpg

IoT.jpg

557 ms

twitter.png

twitter.png

562 ms

youtube.png

youtube.png

567 ms

facebook.png

facebook.png

568 ms

share.png

share.png

582 ms

small_light_arrow.png

small_light_arrow.png

600 ms

4cKlrioa77J2iqTqBgkRWg.ttf

4cKlrioa77J2iqTqBgkRWg.ttf

192 ms

v0SdcGFAl2aezM9Vq_aFTQ.ttf

v0SdcGFAl2aezM9Vq_aFTQ.ttf

196 ms

getAllAppDefault.esi

getAllAppDefault.esi

64 ms

small_dark_arrow.png

small_dark_arrow.png

408 ms

__utm.gif

__utm.gif

20 ms

getSegment.php

getSegment.php

23 ms

checkOAuth.esi

checkOAuth.esi

6 ms

collect

collect

85 ms

t.dhj

t.dhj

29 ms

t.dhj

t.dhj

14 ms

cm

cm

49 ms

s-3271.xgi

s-3271.xgi

20 ms

31 ms

hbpix

hbpix

75 ms

21 ms

52154.gif

52154.gif

7 ms

pixel

pixel

25 ms

pixel

pixel

23 ms

2981

2981

30 ms

Accessibility Review

oerc.ox.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

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

oerc.ox.ac.uk best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oerc.ox.ac.uk SEO score

97

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

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 Oerc.ox.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 Oerc.ox.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

oerc.ox.ac.uk

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