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sheffield.com screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

sheffield.com

Flight Dispatcher Courses | Sheffield School of Aeronautics

Page Load Speed

1.6 sec in total

First Response

26 ms

Resources Loaded

951 ms

Page Rendered

590 ms

sheffield.com screenshot

About Website

Visit sheffield.com now to see the best up-to-date Sheffield content for United States and also check out these interesting facts you probably never knew about sheffield.com

Interested in a career in flight dispatching? Our aircraft dispatcher school could help you. Learn more about Sheffield School of Aeronautics today.

Visit sheffield.com

Key Findings

We analyzed Sheffield.com page load time and found that the first response time was 26 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

sheffield.com performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

sheffield.com

26 ms

www.sheffield.com

237 ms

jquery.min.js

31 ms

jquery-migrate.min.js

40 ms

jquery.anythingfader.js

43 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to Sheffield.com and no external sources were called. The less responsive or slowest element that took the longest time to load (237 ms) belongs to the original domain Sheffield.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.5 kB (24%)

Content Size

686.1 kB

After Optimization

519.6 kB

  • HTML
  • Images

In fact, the total size of Sheffield.com main page is 686.1 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 474.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 164.7 kB

  • Original 211.6 kB
  • After minification 211.6 kB
  • After compression 47.0 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 164.7 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 1.9 kB

  • Original 474.5 kB
  • After minification 472.6 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. Sheffield images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 21 (53%)

Requests Now

40

After Optimization

19

  • Images
  • JavaScript

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sheffield. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sheffield.com

sheffield.com

26 ms

www.sheffield.com

www.sheffield.com

237 ms

jquery.min.js

jquery.min.js

31 ms

jquery-migrate.min.js

jquery-migrate.min.js

40 ms

jquery.anythingfader.js

jquery.anythingfader.js

43 ms

page-bg.png

page-bg.png

29 ms

outerwrapper-bg.jpg

outerwrapper-bg.jpg

39 ms

header-bg.jpg

header-bg.jpg

36 ms

logo.png

logo.png

35 ms

top-nav-bg.png

top-nav-bg.png

37 ms

top-nav-div.png

top-nav-div.png

35 ms

top-arrow.png

top-arrow.png

38 ms

nav-div.png

nav-div.png

44 ms

nav-over.png

nav-over.png

43 ms

content-bg.png

content-bg.png

44 ms

bucket-div.png

bucket-div.png

45 ms

seal-75.png

seal-75.png

45 ms

bucket-btn.png

bucket-btn.png

46 ms

jquery.json.min.js

jquery.json.min.js

51 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

52 ms

jquery.bxslider.js

jquery.bxslider.js

50 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

43 ms

jquery.easing.min.js

jquery.easing.min.js

45 ms

lazyload.min.js

lazyload.min.js

45 ms

outerwrapper-home-bg.jpg

outerwrapper-home-bg.jpg

49 ms

side-div.jpg

side-div.jpg

50 ms

test-point.png

test-point.png

52 ms

social-icons.png

social-icons.png

52 ms

isheff-icon.png

isheff-icon.png

56 ms

footer-bg.png

footer-bg.png

55 ms

subsid-wrapper.jpg

subsid-wrapper.jpg

59 ms

subsid-bg.png

subsid-bg.png

59 ms

sub-div.png

sub-div.png

61 ms

bullet.png

bullet.png

60 ms

siteinfo-wrapper.jpg

siteinfo-wrapper.jpg

65 ms

footer-logo.png

footer-logo.png

65 ms

Sheffield-School-of-Aeronautics-1954-and-Today.jpg

Sheffield-School-of-Aeronautics-1954-and-Today.jpg

33 ms

Delta-and-KLM-Airlines.jpg

Delta-and-KLM-Airlines.jpg

20 ms

Class-5-3wk-Grad-AprilMay-2018-300x225.jpg

Class-5-3wk-Grad-AprilMay-2018-300x225.jpg

23 ms

ASD-FE-screenshot.jpg

ASD-FE-screenshot.jpg

25 ms

catalog.jpg

catalog.jpg

28 ms

adx-thumb.jpg

adx-thumb.jpg

28 ms

Accessibility Review

sheffield.com accessibility score

87

Accessibility Issues

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

High

Some elements have a [tabindex] value greater than 0

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sheffield.com best practices score

83

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

SEO Factors

sheffield.com SEO score

95

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 Sheffield.com 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 Sheffield.com 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

sheffield.com

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