Tools & Wizards About Us
seven-seas.co.uk screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

seven-seas.co.uk

Seven Seas - Science of Omega 3 - Vitamins and Supplements

Page Load Speed

3.8 sec in total

First Response

18 ms

Resources Loaded

3.3 sec

Page Rendered

504 ms

seven-seas.co.uk screenshot

About Website

Welcome to seven-seas.co.uk homepage info - get ready to check Seven Seas best content right away, or after learning these important things about seven-seas.co.uk

Seven Seas has been at the forefront of supplements and vitamins since 1935, by researching and developing a range of products built on the science of Omega-3.

Visit seven-seas.co.uk

Key Findings

We analyzed Seven-seas.co.uk page load time and found that the first response time was 18 ms and then it took 3.8 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

seven-seas.co.uk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value1,500 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

seven-seas.co.uk

18 ms

seven-seas.co.uk

81 ms

gtm.js

97 ms

0b53a6f9e0413e1f.css

43 ms

polyfills-c67a75d1b6f99dc8.js

64 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 54% of them (21 requests) were addressed to the original Seven-seas.co.uk, 28% (11 requests) were made to Images.ctfassets.net and 15% (6 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Images.ctfassets.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 620.4 kB (20%)

Content Size

3.1 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seven-seas.co.uk main page is 3.1 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. 65% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 547.7 kB

  • Original 654.4 kB
  • After minification 654.3 kB
  • After compression 106.7 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 547.7 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 71.7 kB

  • Original 2.0 MB
  • After minification 1.9 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. Seven Seas images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 914 B

  • Original 396.5 kB
  • After minification 396.5 kB
  • After compression 395.6 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 35 B

  • Original 23.9 kB
  • After minification 23.9 kB
  • After compression 23.8 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. Seven-seas.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (38%)

Requests Now

32

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seven Seas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

seven-seas.co.uk

seven-seas.co.uk

18 ms

seven-seas.co.uk

seven-seas.co.uk

81 ms

gtm.js

gtm.js

97 ms

0b53a6f9e0413e1f.css

0b53a6f9e0413e1f.css

43 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

64 ms

webpack-0e409129bd523dfa.js

webpack-0e409129bd523dfa.js

62 ms

framework-d7c4932a6768d702.js

framework-d7c4932a6768d702.js

86 ms

main-23496951ce4fa42a.js

main-23496951ce4fa42a.js

63 ms

_app-7cf0ce9e9e9df37d.js

_app-7cf0ce9e9e9df37d.js

83 ms

index-540019480e2a7c36.js

index-540019480e2a7c36.js

62 ms

_buildManifest.js

_buildManifest.js

80 ms

_ssgManifest.js

_ssgManifest.js

81 ms

logo_main.png

logo_main.png

83 ms

sea_small.png

sea_small.png

134 ms

SevenSeas_Omega-3-with-refl-wo-pills_Category_033022-v7.png

SevenSeas_Omega-3-with-refl-wo-pills_Category_033022-v7.png

237 ms

SevenSeas_Joint_Care_Category_NEW.png

SevenSeas_Joint_Care_Category_NEW.png

247 ms

SevenSeas_Multivitamins_Category_NEW_omega3_v2__1_.png

SevenSeas_Multivitamins_Category_NEW_omega3_v2__1_.png

247 ms

Seven-Seas_Omega-3-Max-Strength_81754263_Packshot-Front-2-Pill_0330_v3.png

Seven-Seas_Omega-3-Max-Strength_81754263_Packshot-Front-2-Pill_0330_v3.png

256 ms

ss_hero_vitamin_D_SP.jpg

ss_hero_vitamin_D_SP.jpg

253 ms

SevenSeas_Omega-3-with-refl-wo-pills_Category_033022-v7.png

SevenSeas_Omega-3-with-refl-wo-pills_Category_033022-v7.png

3172 ms

ss_hero_vitamin_K_SP.jpg

ss_hero_vitamin_K_SP.jpg

248 ms

Seven-Seas_Omega-3-Max-Strength_81754263_Packshot-Front-wo-pill-Homepage-promo-0429-v8-s.png

Seven-Seas_Omega-3-Max-Strength_81754263_Packshot-Front-wo-pill-Homepage-promo-0429-v8-s.png

256 ms

Seven_Seas_JointCare_Supplex___Turmeric_81760968_30ct_30ct_Packshot_Front_Pill_v2.png

Seven_Seas_JointCare_Supplex___Turmeric_81760968_30ct_30ct_Packshot_Front_Pill_v2.png

253 ms

Omega3_Multiv_Woman_Packshot_front_listing_v1.png

Omega3_Multiv_Woman_Packshot_front_listing_v1.png

253 ms

burger.svg

burger.svg

24 ms

radius_full.png

radius_full.png

35 ms

rating.svg

rating.svg

33 ms

rating-empty.svg

rating-empty.svg

36 ms

otSDKStub.js

otSDKStub.js

47 ms

ProximaNova-Regular.woff

ProximaNova-Regular.woff

45 ms

proximanova-medium.woff

proximanova-medium.woff

44 ms

proximanova-light.woff

proximanova-light.woff

34 ms

proximanova-bold.woff

proximanova-bold.woff

36 ms

proximanova-extrabold.woff

proximanova-extrabold.woff

36 ms

8f2564c4-0b02-471b-99de-daca6fb23b6a.json

8f2564c4-0b02-471b-99de-daca6fb23b6a.json

20 ms

otBannerSdk.js

otBannerSdk.js

14 ms

en-gb.json

en-gb.json

18 ms

otFloatingRoundedCorner.json

otFloatingRoundedCorner.json

12 ms

otCommonStyles.css

otCommonStyles.css

16 ms

Accessibility Review

seven-seas.co.uk accessibility score

96

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

seven-seas.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

seven-seas.co.uk SEO score

86

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

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 Seven-seas.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 Seven-seas.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

seven-seas.co.uk

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