Tools & Wizards About Us
elf11.kcl.ac.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

elf11.kcl.ac.uk

ELF 11 – the 11th International Conference of English as a Lingua Franca | King's College London

Page Load Speed

3.4 sec in total

First Response

335 ms

Resources Loaded

2.7 sec

Page Rendered

341 ms

elf11.kcl.ac.uk screenshot

About Website

Click here to check amazing ELF 11 Kcl content for United Kingdom. Otherwise, check out these important facts you probably never knew about elf11.kcl.ac.uk

Following the successes of the previous ELF conferences, with the 10th anniversary event held in Helsinki in June 2017, we look forward to welcoming you in London in July 2018.

Visit elf11.kcl.ac.uk

Key Findings

We analyzed Elf11.kcl.ac.uk page load time and found that the first response time was 335 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

elf11.kcl.ac.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

elf11.kcl.ac.uk

335 ms

elf-11

719 ms

js

58 ms

gtm.js

153 ms

OtAutoBlock.js

45 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Elf11.kcl.ac.uk, 76% (25 requests) were made to Kcl.ac.uk and 9% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Kcl.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 322.4 kB (21%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Elf11.kcl.ac.uk main page is 1.5 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 311.8 kB

  • Original 386.8 kB
  • After minification 386.8 kB
  • After compression 75.0 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 311.8 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 10.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. ELF 11 Kcl images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 42 B

  • Original 22.2 kB
  • After minification 22.2 kB
  • After compression 22.2 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.

Requests Breakdown

Number of requests can be reduced by 22 (81%)

Requests Now

27

After Optimization

5

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELF 11 Kcl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

elf11.kcl.ac.uk

elf11.kcl.ac.uk

335 ms

elf-11

elf-11

719 ms

js

js

58 ms

gtm.js

gtm.js

153 ms

OtAutoBlock.js

OtAutoBlock.js

45 ms

otSDKStub.js

otSDKStub.js

68 ms

css2

css2

38 ms

167b1744-c18f-47c4-bd0c-e8420eacd9e1.json

167b1744-c18f-47c4-bd0c-e8420eacd9e1.json

27 ms

kcl-logo.svg

kcl-logo.svg

261 ms

london-hero.x65fcca6d.jpg

london-hero.x65fcca6d.jpg

842 ms

startup-0.0.4.js

startup-0.0.4.js

300 ms

runtime.40812de4c3bcf64b5b10.js

runtime.40812de4c3bcf64b5b10.js

309 ms

vendor.e3a60d7a8d20b3417458.js

vendor.e3a60d7a8d20b3417458.js

719 ms

app.9ce044c3359a1ca715b5.js

app.9ce044c3359a1ca715b5.js

554 ms

Search.a1bf3fb7bf220cac1d68.js

Search.a1bf3fb7bf220cac1d68.js

501 ms

0.794dc72973d1c1e650fc.js

0.794dc72973d1c1e650fc.js

568 ms

3.6b9a89231a56ee2347ae.js

3.6b9a89231a56ee2347ae.js

732 ms

1.d0b43de1933475d5b6c1.js

1.d0b43de1933475d5b6c1.js

757 ms

2.cdba2fb9b4a2033dcb1b.js

2.cdba2fb9b4a2033dcb1b.js

900 ms

page.events.84e923a3492c537816fc.js

page.events.84e923a3492c537816fc.js

824 ms

runtime.0e408f6f0f8d7c9e5f52.mjs

runtime.0e408f6f0f8d7c9e5f52.mjs

971 ms

vendor.abcb4c7a2e8311027973.mjs

vendor.abcb4c7a2e8311027973.mjs

1484 ms

app.0e7fc0e806279175b521.mjs

app.0e7fc0e806279175b521.mjs

1230 ms

Search.3293c9b97597734c2a68.mjs

Search.3293c9b97597734c2a68.mjs

1083 ms

0.a4a40f56a9d65fba4669.mjs

0.a4a40f56a9d65fba4669.mjs

1083 ms

3.9656fb14ea59282d3fd2.mjs

3.9656fb14ea59282d3fd2.mjs

1333 ms

1.0d00989bf79d1afbc28e.mjs

1.0d00989bf79d1afbc28e.mjs

1233 ms

2.dfa8ce39f28e960715f5.mjs

2.dfa8ce39f28e960715f5.mjs

1350 ms

page.events.3fa4959addb4bdad6a43.mjs

page.events.3fa4959addb4bdad6a43.mjs

1351 ms

location

location

26 ms

KingsBureauGrotesqueFiveOne-woff.woff

KingsBureauGrotesqueFiveOne-woff.woff

1364 ms

KingsBureauGrotesqueThreeSeven-woff.woff

KingsBureauGrotesqueThreeSeven-woff.woff

1361 ms

kcl-icons-woff.woff

kcl-icons-woff.woff

1465 ms

Accessibility Review

elf11.kcl.ac.uk accessibility score

98

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

Best Practices

elf11.kcl.ac.uk best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

elf11.kcl.ac.uk SEO score

93

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

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 Elf11.kcl.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 Elf11.kcl.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

elf11.kcl.ac.uk

Open Graph data is detected on the main page of ELF 11 Kcl. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: