Analyze

winter.staff.shef.ac.uk: Prof Mark Winter | Department of Chemistry: University of Sheffield

Department of Chemistry: University of Sheffield

Page load speed analysis

  • 65/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    1.1 sec

  • Resources loaded

    2.4 sec

  • Page rendered

    130 ms

  • Total page load time

    3.7 sec

Visit winter.staff.shef.ac.uk now to see the best up-to-date Winter Staff Shef content for United Kingdom and also check out these interesting facts you probably never knew about winter.staff.shef.ac.uk

We analyzed Winter.staff.shef.ac.uk page load time and found that the first response time was 1.1 sec and then it took 2.5 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.

Page optimization

  • HTML 23.3 kB
    Images 49.6 kB
    Javascripts 198.3 kB
    CSS 173.9 kB

    In fact, the total size of Winter.staff.shef.ac.uk main page is 445.2 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. 20% of websites need less resources to load. Javascripts take 198.3 kB which makes up the majority of the site volume.

    • Original 23.3 kB
    • After minification 22.7 kB
    • After compression 6.1 kB

    HTML optimization

    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 17.2 kB or 74% of the original size.

    • Original 49.6 kB
    • After optimization 961 B

    Image optimization

    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, Winter Staff Shef needs image optimization as it can save up to 48.6 kB or 98% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 198.3 kB
    • After minification 191.6 kB
    • After compression 65.7 kB

    JavaScript optimization

    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 132.7 kB or 67% of the original size.

    • Original 173.9 kB
    • After minification 154.5 kB
    • After compression 40.3 kB

    CSS optimization

    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. Winter.staff.shef.ac.uk needs all CSS files to be minified and compressed as it can save up to 133.6 kB or 77% of the original size.

Network requests diagram

  • winter.staff.shef.ac.uk
  • wp-emoji-release.min.js
  • frontend_style.css
  • jquery.fancybox-1.3.4.css
  • skeleton-1140.css
  • style.css
  • layout.css
  • formalize.css
  • superfish.css
  • genericons.css
  • jetpack.css
  • jquery.js
  • jquery-migrate.min.js
  • jquery.mousewheel-3.0.4.pack.js
  • jquery.fancybox-1.3.4.pack.js
  • frontend_script.js
  • app.js
  • superfish.js
  • jquery.formalize.min.js
  • devicepx-jetpack.js
  • gprofiles.js
  • wpgroho.js
  • wp-embed.min.js
  • sharing.js
  • e-201611.js
  • style.css
  • border_top.png
  • arrow_bullet.png
  • Genericons.svg
  • 8AAnjaY2BgYGQAgosrjpwF0ZcUq9bCaABTzgdAAAA=
  • hovercard.css
  • services.css
  • share
  • g.gif
  • count.json
  • graph.facebook.com
  • g.gif
  • g.gif
  • g.gif

Our browser made a total of 39 requests to load all elements on the main page. We found that 67% of them (26 requests) were addressed to the original Winter.staff.shef.ac.uk, 10% (4 requests) were made to Pixel.wp.com and 8% (3 requests) were made to S.gravatar.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Winter.staff.shef.ac.uk.

Additional info on winter.staff.shef.ac.uk

Requests

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Winter Staff Shef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

16

Javascripts

7

Images

12

CSS

1

AJAX

36

All

Possible request optimization

1

Javascripts

7

Images

1

CSS

1

AJAX

26

Optimized

10

All

Normal result

IP address

Winter.staff.shef.ac.uk uses IP address which is currently shared with 3 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

winter.staff.shef.ac.uk

spwilson.staff.shef.ac.uk

lshao.staff.shef.ac.uk

tomstafford.staff.shef.ac.uk

143.167.252.13

DNS records

Type Host Target/ip TTL Other
A

winter.staff.shef.ac.uk

143.167.252.13 60
NS

winter.staff.shef.ac.uk

cpanel-ns-live1.shef.ac.uk 59
NS

winter.staff.shef.ac.uk

cpanel-ns-live2.shef.ac.uk 59
SOA

winter.staff.shef.ac.uk

60 Mname: cpanel-ns-live1.shef.ac.uk
Rname: cpanel.shef.ac.uk
Serial: 2009062301
Refresh: 14400
Retry: 7200
Expire: 3600000
Minimum-ttl: 86400
MX

winter.staff.shef.ac.uk

winter.staff.shef.ac.uk 60 Pri: 0

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Winter.staff.shef.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 Winter.staff.shef.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.

HTTPS certificate

SSL Certificate

Winter.staff.shef.ac.uk has a valid and up-to-date SSL certificate that expires on April 28, 2018.

Good result

Visitor World Map

Country of origin for 69.2% of all visits is United Kingdom. It’s good for Winter.staff.shef.ac.uk that their server is also located in United Kingdom, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Good result

Social Sharing Optimization

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

winter.staff.shef.ac.uk

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