Tools & Wizards About Us
coda-uk.org screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

coda-uk.org

2019 Coronavirus Infection (COVID-19) Transmission Research Protocol in Schools -

Page Load Speed

5.8 sec in total

First Response

243 ms

Resources Loaded

5.4 sec

Page Rendered

173 ms

coda-uk.org screenshot

About Website

Visit coda-uk.org now to see the best up-to-date CODA UK content for United Kingdom and also check out these interesting facts you probably never knew about coda-uk.org

The transmission of the causative agent of the disease COVID-19 (coronavirus of severe acute respiratory syndrome-2, SARS-CoV-2) is realized through drip and contact mechanisms.

Visit coda-uk.org

Key Findings

We analyzed Coda-uk.org page load time and found that the first response time was 243 ms and then it took 5.6 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

coda-uk.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value1,480 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

coda-uk.org

243 ms

www.coda-uk.org

4258 ms

stylesheet.php

649 ms

mast.jpg

330 ms

body_bg3.jpg

87 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 50% of them (4 requests) were addressed to the original Coda-uk.org, 50% (4 requests) were made to 0. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Coda-uk.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 kB (4%)

Content Size

87.1 kB

After Optimization

83.7 kB

  • HTML
  • Images

In fact, the total size of Coda-uk.org main page is 87.1 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 5% of websites need less resources to load. Images take 81.5 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 3.4 kB

  • Original 5.5 kB
  • After minification 5.4 kB
  • After compression 2.2 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 3.4 kB or 61% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 81.5 kB
  • After minification 81.5 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. CODA UK images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CODA UK. According to our analytics all requests are already optimized.

Network Requests Diagram

coda-uk.org

coda-uk.org

243 ms

www.coda-uk.org

www.coda-uk.org

4258 ms

stylesheet.php

stylesheet.php

649 ms

mast.jpg

mast.jpg

330 ms

body_bg3.jpg

body_bg3.jpg

87 ms

navbar.jpg

navbar.jpg

248 ms

footer_bg3.jpg

footer_bg3.jpg

167 ms

subnavbullet.gif

subnavbullet.gif

96 ms

Accessibility Review

coda-uk.org accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

coda-uk.org 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

SEO Factors

coda-uk.org SEO score

84

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coda-uk.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Coda-uk.org 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

coda-uk.org

Open Graph description is not detected on the main page of CODA UK. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: