Tools & Wizards About Us
sign.ac.uk screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

sign.ac.uk

Home

Page Load Speed

2.5 sec in total

First Response

263 ms

Resources Loaded

1.7 sec

Page Rendered

557 ms

sign.ac.uk screenshot

About Website

Visit sign.ac.uk now to see the best up-to-date Sign content for United Kingdom and also check out these interesting facts you probably never knew about sign.ac.uk

SIGN produce evidence-based, collaboratively developed clinical guidelines. Our website publishes these.

Visit sign.ac.uk

Key Findings

We analyzed Sign.ac.uk page load time and found that the first response time was 263 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

sign.ac.uk performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.161

73/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

sign.ac.uk

263 ms

www.sign.ac.uk

475 ms

csp-report

622 ms

gtm.js

60 ms

css

46 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 52% of them (24 requests) were addressed to the original Sign.ac.uk, 22% (10 requests) were made to Web-reports.scot.nhs.uk and 7% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (632 ms) belongs to the original domain Sign.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.8 kB (8%)

Content Size

631.1 kB

After Optimization

581.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sign.ac.uk main page is 631.1 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. 25% of websites need less resources to load. Images take 478.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 24.4 kB

  • Original 31.9 kB
  • After minification 27.6 kB
  • After compression 7.5 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. This page needs HTML code to be minified as it can gain 4.3 kB, which is 13% 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 24.4 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 23.6 kB

  • Original 478.2 kB
  • After minification 454.6 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. Sign images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 628 B

  • Original 81.4 kB
  • After minification 81.4 kB
  • After compression 80.8 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

-3%

Potential reduce by 1.1 kB

  • Original 39.5 kB
  • After minification 39.5 kB
  • After compression 38.4 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. Sign.ac.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (63%)

Requests Now

32

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sign. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sign.ac.uk

sign.ac.uk

263 ms

www.sign.ac.uk

www.sign.ac.uk

475 ms

csp-report

csp-report

622 ms

gtm.js

gtm.js

60 ms

css

css

46 ms

bootstrap.min.css

bootstrap.min.css

134 ms

custom.css

custom.css

220 ms

all.min.css

all.min.css

244 ms

headingStyles.css

headingStyles.css

235 ms

tables.css

tables.css

236 ms

jquery.min.js

jquery.min.js

28 ms

popper.js

popper.js

232 ms

bootstrap.min.js

bootstrap.min.js

320 ms

cookieconsent.min.js

cookieconsent.min.js

319 ms

csp-report

csp-report

553 ms

analytics.js

analytics.js

54 ms

his_sign_rgb.png

his_sign_rgb.png

119 ms

footer_tile_green.png

footer_tile_green.png

117 ms

20240419-checklist-v02.png

20240419-checklist-v02.png

363 ms

pat-icons-2.png

pat-icons-2.png

247 ms

pat-icons-3.png

pat-icons-3.png

246 ms

methodology-icon-4.png

methodology-icon-4.png

362 ms

sign-170-home-graphic-v-2.png

sign-170-home-graphic-v-2.png

362 ms

sign-169-home-graphic.png

sign-169-home-graphic.png

361 ms

pat-icons-4.png

pat-icons-4.png

366 ms

t-logo.png

t-logo.png

367 ms

yt-icon-logo.png

yt-icon-logo.png

449 ms

GIN_Master.png

GIN_Master.png

632 ms

font

font

69 ms

fa-solid-900.woff

fa-solid-900.woff

525 ms

fa-regular-400.woff

fa-regular-400.woff

424 ms

csp-report

csp-report

499 ms

collect

collect

52 ms

csp-report

csp-report

459 ms

8iyhf8y3k0

8iyhf8y3k0

67 ms

csp-report

csp-report

433 ms

js

js

155 ms

csp-report

csp-report

431 ms

js

js

71 ms

csp-report

csp-report

405 ms

collect

collect

25 ms

csp-report

csp-report

543 ms

clarity.js

clarity.js

7 ms

csp-report

csp-report

435 ms

csp-report

csp-report

329 ms

c.gif

c.gif

7 ms

Accessibility Review

sign.ac.uk accessibility score

96

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

sign.ac.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sign.ac.uk SEO score

99

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 Sign.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 Sign.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

sign.ac.uk

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