Tools & Wizards About Us
national-aquarium.co.uk screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

national-aquarium.co.uk

UK's Largest Aquarium | The National Marine Aquarium

Page Load Speed

8.6 sec in total

First Response

176 ms

Resources Loaded

5.6 sec

Page Rendered

2.8 sec

national-aquarium.co.uk screenshot

About Website

Visit national-aquarium.co.uk now to see the best up-to-date National Aquarium content for Mexico and also check out these interesting facts you probably never knew about national-aquarium.co.uk

National Marine Aquarium in Plymouth, the UKs Biggest Aquarium, part of the Ocean Conservation Trust & a top family day out in Devon. Book...

Visit national-aquarium.co.uk

Key Findings

We analyzed National-aquarium.co.uk page load time and found that the first response time was 176 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

national-aquarium.co.uk performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.3 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

national-aquarium.co.uk

176 ms

www.national-aquarium.co.uk

419 ms

OtAutoBlock.js

66 ms

otSDKStub.js

85 ms

js

91 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 73% of them (47 requests) were addressed to the original National-aquarium.co.uk, 14% (9 requests) were made to Use.typekit.net and 5% (3 requests) were made to Cookie-cdn.cookiepro.com. The less responsive or slowest element that took the longest time to load (822 ms) belongs to the original domain National-aquarium.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.9 kB (5%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of National-aquarium.co.uk main page is 2.5 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. 40% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 78.4 kB

  • Original 97.6 kB
  • After minification 92.4 kB
  • After compression 19.2 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 78.4 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 32.5 kB

  • Original 2.3 MB
  • After minification 2.3 MB

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. National Aquarium images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 57 B

  • Original 10.9 kB
  • After minification 10.9 kB
  • After compression 10.9 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

-0%

Potential reduce by 0 B

  • Original 5 B

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.

Requests Breakdown

Number of requests can be reduced by 19 (37%)

Requests Now

51

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Aquarium. 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 from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

national-aquarium.co.uk

national-aquarium.co.uk

176 ms

www.national-aquarium.co.uk

www.national-aquarium.co.uk

419 ms

OtAutoBlock.js

OtAutoBlock.js

66 ms

otSDKStub.js

otSDKStub.js

85 ms

js

js

91 ms

rnw0slq.css

rnw0slq.css

164 ms

style.min.css

style.min.css

315 ms

icons.min.css

icons.min.css

234 ms

dashicons.min.css

dashicons.min.css

318 ms

frontend.min.css

frontend.min.css

238 ms

pgc_sgb.min.style.css

pgc_sgb.min.style.css

237 ms

pgc_sgb_lightbox.min.style.css

pgc_sgb_lightbox.min.style.css

245 ms

style.css

style.css

312 ms

main.css

main.css

401 ms

flexslider.css

flexslider.css

319 ms

search-forms.css

search-forms.css

326 ms

jquery.min.js

jquery.min.js

474 ms

jquery.jseldom.js

jquery.jseldom.js

391 ms

frontend.min.js

frontend.min.js

319 ms

0b853014da23f21d30d0c78d20617870.js

0b853014da23f21d30d0c78d20617870.js

629 ms

018f1a31-34ca-773d-9078-7e3d96e62985.json

018f1a31-34ca-773d-9078-7e3d96e62985.json

58 ms

location

location

72 ms

p.css

p.css

27 ms

973047292

973047292

359 ms

nma-logo-white2.png

nma-logo-white2.png

196 ms

nma-logo-blue2.png

nma-logo-blue2.png

194 ms

topographic.svg

topographic.svg

441 ms

grid.svg

grid.svg

195 ms

tripadvisor.png

tripadvisor.png

194 ms

ocean-04-2-1.jpg

ocean-04-2-1.jpg

333 ms

Untitled-1sArtboard-1.jpg

Untitled-1sArtboard-1.jpg

479 ms

tickettailor-visit-4-scaled.jpg

tickettailor-visit-4-scaled.jpg

486 ms

egg.jellyfish-09-scaled.jpg

egg.jellyfish-09-scaled.jpg

337 ms

national-marine-aquarium.jpg

national-marine-aquarium.jpg

720 ms

Ian-McFadzen-OCT-CEO-Credit-Ocean-Conservation-Trust-scaled.jpg

Ian-McFadzen-OCT-CEO-Credit-Ocean-Conservation-Trust-scaled.jpg

488 ms

Emma-Shop-2.jpg

Emma-Shop-2.jpg

651 ms

Draw-Alive-5.jpg

Draw-Alive-5.jpg

594 ms

BG@2x.jpg

BG@2x.jpg

555 ms

oct-logo2.png

oct-logo2.png

563 ms

thinkocean-black-scaled.jpg

thinkocean-black-scaled.jpg

567 ms

biaza-logo-1-1.jpg

biaza-logo-1-1.jpg

632 ms

Green-Tourism.jpeg

Green-Tourism.jpeg

643 ms

heritage-lottery-fund-1.png

heritage-lottery-fund-1.png

650 ms

vospers-logo-1-1.jpg

vospers-logo-1-1.jpg

671 ms

devon-chamber-of-commerce-1.png

devon-chamber-of-commerce-1.png

707 ms

Visitor-Attraction-Quality-Assured-Visitor-Attraction.jpg

Visitor-Attraction-Quality-Assured-Visitor-Attraction.jpg

725 ms

plymouth-waterfront-partnership-1.png

plymouth-waterfront-partnership-1.png

727 ms

princess-yachts.jpg

princess-yachts.jpg

730 ms

MCL-Medics-Logo.jpg

MCL-Medics-Logo.jpg

748 ms

Plymouth_Citybus_2020.png

Plymouth_Citybus_2020.png

783 ms

germany.svg

germany.svg

798 ms

france.svg

france.svg

804 ms

spain.svg

spain.svg

822 ms

d

d

34 ms

d

d

52 ms

d

d

62 ms

d

d

63 ms

d

d

64 ms

d

d

64 ms

d

d

62 ms

icomoon.ttf

icomoon.ttf

716 ms

d

d

61 ms

d

d

64 ms

api.js

api.js

9 ms

Accessibility Review

national-aquarium.co.uk accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

national-aquarium.co.uk 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

national-aquarium.co.uk SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 National-aquarium.co.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 National-aquarium.co.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

national-aquarium.co.uk

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