Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

divealot.co.uk

DIVEALOT SCUBA - PADI 5* IDC training centre Lincolnshire -HOME

Page Load Speed

5.9 sec in total

First Response

554 ms

Resources Loaded

4.8 sec

Page Rendered

516 ms

divealot.co.uk screenshot

About Website

Visit divealot.co.uk now to see the best up-to-date DIVEALOT content and also check out these interesting facts you probably never knew about divealot.co.uk

PADI dive centre and instruction. Fully stocked shop, specialist in scuba diving products and PADI training and service centre. We teach everything from try dives to instructor in a safe fun environme...

Visit divealot.co.uk

Key Findings

We analyzed Divealot.co.uk page load time and found that the first response time was 554 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

divealot.co.uk performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

58/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.066

97/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

divealot.co.uk

554 ms

divealot.co.uk

1071 ms

www.divealot.co.uk

1435 ms

script.js

436 ms

css2

37 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 19% of them (4 requests) were addressed to the original Divealot.co.uk, 29% (6 requests) were made to Le-cdn.website-editor.net and 24% (5 requests) were made to Static-cdn.website-editor.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Divealot.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.0 kB (23%)

Content Size

660.0 kB

After Optimization

510.9 kB

In fact, the total size of Divealot.co.uk main page is 660.0 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. 40% of websites need less resources to load. Images take 344.0 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 72.5 kB

  • Original 103.1 kB
  • After minification 98.7 kB
  • After compression 30.6 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 72.5 kB or 70% of the original size.

Image Optimization

-22%

Potential reduce by 76.1 kB

  • Original 344.0 kB
  • After minification 267.9 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, DIVEALOT needs image optimization as it can save up to 76.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 65 B

  • Original 140.4 kB
  • After minification 140.4 kB
  • After compression 140.3 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

-1%

Potential reduce by 372 B

  • Original 72.5 kB
  • After minification 72.5 kB
  • After compression 72.1 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. Divealot.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (33%)

Requests Now

15

After Optimization

10

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DIVEALOT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

divealot.co.uk accessibility score

88

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

divealot.co.uk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

divealot.co.uk SEO score

84

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

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 Divealot.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 Divealot.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

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