Tools & Wizards About Us
noc.ac.uk screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

noc.ac.uk

National Oceanography Centre | In-depth knowledge of the ocean helps our planet flourish

Page Load Speed

5 sec in total

First Response

1.1 sec

Resources Loaded

3.5 sec

Page Rendered

382 ms

noc.ac.uk screenshot

About Website

Welcome to noc.ac.uk homepage info - get ready to check Noc best content for United States right away, or after learning these important things about noc.ac.uk

The National Oceanography Centre is an independent self-governing organisation – a charitable company limited by guarantee. The NOC is funded by UK Research and Innovation to work on National Capabili...

Visit noc.ac.uk

Key Findings

We analyzed Noc.ac.uk page load time and found that the first response time was 1.1 sec and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

noc.ac.uk performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.286

42/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

noc.ac.uk

1137 ms

c2a87e7f7a5d7219433bb51bb3b4bd4d.css

161 ms

css_ed1ec12033f1b533709b6cb66b95b154.css

320 ms

css_16e9f4b731bfec2493f55801fbdf24c6.css

242 ms

js_99c83b8427f2d9204fa8d68e879e4a76.js

647 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 70% of them (45 requests) were addressed to the original Noc.ac.uk, 16% (10 requests) were made to Pbs.twimg.com and 6% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Noc.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 757.5 kB (44%)

Content Size

1.7 MB

After Optimization

976.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Noc.ac.uk main page is 1.7 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 49.0 kB

  • Original 60.3 kB
  • After minification 49.3 kB
  • After compression 11.3 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 11.0 kB, which is 18% 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 49.0 kB or 81% of the original size.

Image Optimization

-32%

Potential reduce by 414.1 kB

  • Original 1.3 MB
  • After minification 884.1 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. Obviously, Noc needs image optimization as it can save up to 414.1 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 218.7 kB

  • Original 281.1 kB
  • After minification 182.7 kB
  • After compression 62.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 218.7 kB or 78% of the original size.

CSS Optimization

-81%

Potential reduce by 75.7 kB

  • Original 94.0 kB
  • After minification 91.2 kB
  • After compression 18.3 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. Noc.ac.uk needs all CSS files to be minified and compressed as it can save up to 75.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (24%)

Requests Now

63

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Noc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

noc.ac.uk

noc.ac.uk

1137 ms

c2a87e7f7a5d7219433bb51bb3b4bd4d.css

c2a87e7f7a5d7219433bb51bb3b4bd4d.css

161 ms

css_ed1ec12033f1b533709b6cb66b95b154.css

css_ed1ec12033f1b533709b6cb66b95b154.css

320 ms

css_16e9f4b731bfec2493f55801fbdf24c6.css

css_16e9f4b731bfec2493f55801fbdf24c6.css

242 ms

js_99c83b8427f2d9204fa8d68e879e4a76.js

js_99c83b8427f2d9204fa8d68e879e4a76.js

647 ms

analytics.js

analytics.js

113 ms

bkgBottom.jpg

bkgBottom.jpg

396 ms

bkgTop.png

bkgTop.png

397 ms

trans.png

trans.png

168 ms

rotate.php

rotate.php

416 ms

logoPrint2014.png

logoPrint2014.png

241 ms

logo.png

logo.png

316 ms

nerc-logo-115.png

nerc-logo-115.png

324 ms

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nerc-logo-header2.png

413 ms

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t-logo-header.png

632 ms

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f-logo-header.png

640 ms

y-logo-header.png

y-logo-header.png

719 ms

flkr-logo-header.png

flkr-logo-header.png

717 ms

nav.gif

nav.gif

562 ms

noc-res-newsletter-yellow.png

noc-res-newsletter-yellow.png

563 ms

boxTitle.gif

boxTitle.gif

720 ms

O.I%20logo2.jpg

O.I%20logo2.jpg

723 ms

conference_088-caro.jpg

conference_088-caro.jpg

947 ms

P1010487.MOV_.Still007-Cook-caro.jpg

P1010487.MOV_.Still007-Cook-caro.jpg

879 ms

MARUM_MeBo1.jpg

MARUM_MeBo1.jpg

955 ms

An-all-female-science-team-on-RRS-Discovery_carousel.jpg

An-all-female-science-team-on-RRS-Discovery_carousel.jpg

1033 ms

rss.png

rss.png

876 ms

iStock_000059208080.thumbnail.jpg

iStock_000059208080.thumbnail.jpg

881 ms

CO2_pic.thumbnail.jpg

CO2_pic.thumbnail.jpg

1037 ms

O.I%20logo3.thumbnail.jpg

O.I%20logo3.thumbnail.jpg

1038 ms

emvideo-youtube-xFgOfESBPu4.jpg

emvideo-youtube-xFgOfESBPu4.jpg

1117 ms

impacts-ad-windfarm.jpg

impacts-ad-windfarm.jpg

1266 ms

gsnocs.jpg

gsnocs.jpg

1273 ms

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mini-category.png

1192 ms

ispo-thumb.png

ispo-thumb.png

1431 ms

waterfront-campus-thumb.jpg

waterfront-campus-thumb.jpg

1278 ms

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1515 ms

t_logo.png

t_logo.png

1351 ms

y_logo.png

y_logo.png

1426 ms

f_logo.png

f_logo.png

1591 ms

noc-res-newletter-yellow.png

noc-res-newletter-yellow.png

1436 ms

widgets.js

widgets.js

69 ms

boxTitle_orange.gif

boxTitle_orange.gif

1430 ms

collect

collect

15 ms

timeline.1b43d11859b7663a2225b885f87704a5.js

timeline.1b43d11859b7663a2225b885f87704a5.js

29 ms

syndication

syndication

96 ms

314338842071154688

314338842071154688

242 ms

nerc.png

nerc.png

1420 ms

footer.png

footer.png

1356 ms

panelRight.png

panelRight.png

1284 ms

panelLeft.png

panelLeft.png

1355 ms

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

3 ms

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

timeline.4d087f49a21e27038d9769d7c976b8fa.default.css

3 ms

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130 ms

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ky9g4wh6_normal.png

158 ms

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c507e89a4038ef58cf444016f02740d1_normal.jpeg

189 ms

1-FBzOL2_normal.jpg

1-FBzOL2_normal.jpg

218 ms

CcYbczEWIAABY6i.jpg:small

CcYbczEWIAABY6i.jpg:small

240 ms

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Cb07oYjW0AER6Vg.jpg:small

263 ms

CblgjSCUcAE1wBS.jpg:small

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248 ms

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CbblaTdWwAEyBED.jpg:small

245 ms

CbV_nXjW8AE2IYv.jpg:small

CbV_nXjW8AE2IYv.jpg:small

246 ms

CbVHYVaWwAAqkC-.jpg:small

CbVHYVaWwAAqkC-.jpg:small

249 ms

jot

jot

26 ms

Accessibility Review

noc.ac.uk accessibility score

93

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.

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

<frame> or <iframe> elements do not have a title

Best Practices

noc.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

SEO Factors

noc.ac.uk SEO score

92

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

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 Noc.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 Noc.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

noc.ac.uk

Open Graph description is not detected on the main page of Noc. 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: