Tools & Wizards About Us
thamesboattraining.co.uk screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

thamesboattraining.co.uk

Thames Boat Training - RYA Training on the River Thames

Page Load Speed

3.5 sec in total

First Response

568 ms

Resources Loaded

2.7 sec

Page Rendered

203 ms

thamesboattraining.co.uk screenshot

About Website

Welcome to thamesboattraining.co.uk homepage info - get ready to check Thames Boat Training best content right away, or after learning these important things about thamesboattraining.co.uk

River Thames Boat Training is based at Shepperton and we cover the stretch of the River Thames from London to Windsor as well as the River Wey from Weybridge to Godalming.

Visit thamesboattraining.co.uk

Key Findings

We analyzed Thamesboattraining.co.uk page load time and found that the first response time was 568 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

thamesboattraining.co.uk performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

www.thamesboattraining.co.uk

568 ms

style.css

456 ms

theming.css

151 ms

web.css

459 ms

common,twitter,facebook,shoppingbasket

462 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 46% of them (16 requests) were addressed to the original Thamesboattraining.co.uk, 49% (17 requests) were made to Cdn.website-start.de and 6% (2 requests) were made to 105.sb.mywebsite-editor.com. The less responsive or slowest element that took the longest time to load (886 ms) relates to the external source Cdn.website-start.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.1 kB (9%)

Content Size

680.5 kB

After Optimization

618.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Thamesboattraining.co.uk main page is 680.5 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. 25% of websites need less resources to load. Images take 592.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 33.8 kB

  • Original 42.8 kB
  • After minification 40.7 kB
  • After compression 9.0 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. 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 33.8 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 7.8 kB

  • Original 592.8 kB
  • After minification 585.0 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. Thames Boat Training images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 18.9 kB

  • Original 38.7 kB
  • After minification 38.7 kB
  • After compression 19.7 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 18.9 kB or 49% of the original size.

CSS Optimization

-27%

Potential reduce by 1.7 kB

  • Original 6.2 kB
  • After minification 6.2 kB
  • After compression 4.6 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. Thamesboattraining.co.uk needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 27% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (53%)

Requests Now

34

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thames Boat Training. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.thamesboattraining.co.uk

www.thamesboattraining.co.uk

568 ms

style.css

style.css

456 ms

theming.css

theming.css

151 ms

web.css

web.css

459 ms

common,twitter,facebook,shoppingbasket

common,twitter,facebook,shoppingbasket

462 ms

mobilenavigation.css

mobilenavigation.css

476 ms

logstate2-css.php

logstate2-css.php

481 ms

logstate-js.php

logstate-js.php

480 ms

web.js

web.js

886 ms

web.bundle.js

web.bundle.js

475 ms

mobilenavigation.js

mobilenavigation.js

555 ms

common,twitter,facebook,shoppingbasket

common,twitter,facebook,shoppingbasket

754 ms

792 ms

pfcsupport.js

pfcsupport.js

581 ms

emotionheader.jpg

emotionheader.jpg

173 ms

print.css

print.css

98 ms

logo.jpg

logo.jpg

320 ms

cache_12422861.jpg

cache_12422861.jpg

297 ms

thumb_42757958.jpg

thumb_42757958.jpg

301 ms

thumb_42757959.jpg

thumb_42757959.jpg

303 ms

thumb_42757960.jpg

thumb_42757960.jpg

302 ms

thumb_42757961.jpg

thumb_42757961.jpg

310 ms

DIY_twitter_logo.png

DIY_twitter_logo.png

434 ms

twitter-b.png

twitter-b.png

452 ms

facebook-share-icon.png

facebook-share-icon.png

459 ms

printer.gif

printer.gif

103 ms

logo.gif

logo.gif

99 ms

next.png

next.png

99 ms

prev.png

prev.png

104 ms

play-pause.png

play-pause.png

103 ms

fullscreen.png

fullscreen.png

137 ms

cache_42757958.jpg

cache_42757958.jpg

671 ms

cache_42757959.jpg

cache_42757959.jpg

671 ms

cache_42757960.jpg

cache_42757960.jpg

627 ms

cache_42757961.jpg

cache_42757961.jpg

790 ms

Accessibility Review

thamesboattraining.co.uk accessibility score

73

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

thamesboattraining.co.uk best practices score

75

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

Page has valid source maps

SEO Factors

thamesboattraining.co.uk SEO score

73

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

High

robots.txt is not valid

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 Thamesboattraining.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 Thamesboattraining.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

thamesboattraining.co.uk

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