Tools & Wizards About Us
valvewizard.co.uk screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

valvewizard.co.uk

How to design valve guitar amplifiers

Page Load Speed

578 ms in total

First Response

80 ms

Resources Loaded

349 ms

Page Rendered

149 ms

valvewizard.co.uk screenshot

About Website

Visit valvewizard.co.uk now to see the best up-to-date Valve Wizard content for United States and also check out these interesting facts you probably never knew about valvewizard.co.uk

How to design valve guitar amplifiers, from the power supply to output stage and pre amp

Visit valvewizard.co.uk

Key Findings

We analyzed Valvewizard.co.uk page load time and found that the first response time was 80 ms and then it took 498 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

valvewizard.co.uk performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

88/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

valvewizard.co.uk

80 ms

ValveWizard.css

4 ms

blue.gif

23 ms

_MG_3761-800x640.jpg

77 ms

valve_wizard_logo_orange.png

5 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 79% of them (11 requests) were addressed to the original Valvewizard.co.uk, 14% (2 requests) were made to Lulu.com and 7% (1 request) were made to Diyaudiocomponents.com. The less responsive or slowest element that took the longest time to load (249 ms) relates to the external source Lulu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 36.3 kB (9%)

Content Size

426.6 kB

After Optimization

390.3 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Valvewizard.co.uk main page is 426.6 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 416.8 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 5.7 kB

  • Original 9.0 kB
  • After minification 8.9 kB
  • After compression 3.3 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 5.7 kB or 63% of the original size.

Image Optimization

-7%

Potential reduce by 30.2 kB

  • Original 416.8 kB
  • After minification 386.6 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. Valve Wizard images are well optimized though.

CSS Optimization

-58%

Potential reduce by 458 B

  • Original 788 B
  • After minification 669 B
  • After compression 330 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. Valvewizard.co.uk needs all CSS files to be minified and compressed as it can save up to 458 B or 58% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Valve Wizard. According to our analytics all requests are already optimized.

Network Requests Diagram

valvewizard.co.uk

valvewizard.co.uk

80 ms

ValveWizard.css

ValveWizard.css

4 ms

blue.gif

blue.gif

23 ms

_MG_3761-800x640.jpg

_MG_3761-800x640.jpg

77 ms

valve_wizard_logo_orange.png

valve_wizard_logo_orange.png

5 ms

book1.jpg

book1.jpg

7 ms

book4.jpg

book4.jpg

8 ms

book3.jpg

book3.jpg

7 ms

universalpcbs1.jpg

universalpcbs1.jpg

9 ms

shock.jpg

shock.jpg

5 ms

email.jpg

email.jpg

7 ms

holly.jpg

holly.jpg

6 ms

tile.jpg

tile.jpg

7 ms

blue.gif

blue.gif

249 ms

Accessibility Review

valvewizard.co.uk accessibility score

63

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

valvewizard.co.uk best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

valvewizard.co.uk SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Valvewizard.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 Valvewizard.co.uk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

valvewizard.co.uk

Open Graph description is not detected on the main page of Valve Wizard. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: