4.8 sec in total
170 ms
4.2 sec
402 ms
Visit sealife.co.uk now to see the best up-to-date SEA LIFE content and also check out these interesting facts you probably never knew about sealife.co.uk
SEA LIFE aquariums are fantastic family attractions with stunning marine habitats and displays. Find your nearest SEA LIFE & buy tickets online to save. Perfect for a family day out.
Visit sealife.co.ukWe analyzed Sealife.co.uk page load time and found that the first response time was 170 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
sealife.co.uk performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value7.7 s
3/100
25%
Value9.9 s
10/100
10%
Value430 ms
65/100
30%
Value0
100/100
15%
Value9.2 s
32/100
10%
170 ms
351 ms
1681 ms
385 ms
74 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sealife.co.uk, 30% (14 requests) were made to Az773496.vo.msecnd.net and 9% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Www2.visitsealife.com.
Page size can be reduced by 681.6 kB (32%)
2.1 MB
1.4 MB
In fact, the total size of Sealife.co.uk main page is 2.1 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.
Potential reduce by 88.0 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. This page needs HTML code to be minified as it can gain 43.3 kB, which is 44% 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 88.0 kB or 89% of the original size.
Potential reduce by 44.7 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. SEA LIFE images are well optimized though.
Potential reduce by 35.0 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 35.0 kB or 43% of the original size.
Potential reduce by 513.8 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. Sealife.co.uk needs all CSS files to be minified and compressed as it can save up to 513.8 kB or 89% of the original size.
Number of requests can be reduced by 7 (18%)
39
32
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEA LIFE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
www.visitsealife.com
170 ms
www.visitsealife.com
351 ms
www2.visitsealife.com
1681 ms
sea-life.css
385 ms
css
74 ms
css
83 ms
modernizr.min.js
362 ms
vendor.min.js
593 ms
global.min.js
409 ms
sea-life.min.js
409 ms
jquery.validate.min.js
141 ms
jquery.validate.unobtrusive.min.js
171 ms
accesso.js
629 ms
ga.js
140 ms
sea-life-logo-1x.png
259 ms
gb.svg
201 ms
de.svg
205 ms
locations-map.png
204 ms
locations-pin-base.svg
199 ms
cross-white.svg
401 ms
www2.visitsealife.com
1089 ms
blue-grad.png
390 ms
LeftArrow-Shadow.png
402 ms
RightArrow-Shadow.png
399 ms
www2.visitsealife.com
1215 ms
left-blue-grad.png
521 ms
footer-merlin-group.png
533 ms
girl-w-piranhas.jpg
441 ms
sealife-logo.png
417 ms
girl-w-lion-fish.jpg
541 ms
ray-header.jpg
653 ms
sealife-large-logo.png
426 ms
brp_logo_tile.png
479 ms
snorke-icon.png
442 ms
20150211untitled1090-zf-7970-27915-1-006-_cropped.jpg
506 ms
seastar-icon-large.png
466 ms
trust-icon-large.png
468 ms
20150211untitled1100-zf-7970-27915-1-009-_cropped.jpg
545 ms
featured-img01.jpg
543 ms
seatrust-color.png
506 ms
5718gH8nDy3hFVihOpkY5InF5uFdDttMLvmWuJdhhgs.ttf
107 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
147 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
226 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
226 ms
fontawesome-webfont.woff
598 ms
__utm.gif
82 ms
shim.html
246 ms
sealife.co.uk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
sealife.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sealife.co.uk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sealife.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sealife.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.
sealife.co.uk
Open Graph data is detected on the main page of SEA LIFE. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: