Access levelfive-audio.com. Level Five 2A3 Tube Single-Ended Amplifier

Report Summary

About Website

Welcome to levelfive-audio.com homepage info - get ready to check Level Five Audio best content right away, or after learning these important things about levelfive-audio.com

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name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.266

46/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

index.php

282 ms

common.js

91 ms

tj.js

157 ms

154.203.234.206

289 ms

hm.js

1586 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Levelfive-audio.com, 56% (50 requests) were made to Fmlb.netlbtu.com and 4% (4 requests) were made to Dimg04.c-ctrip.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source P.qlogo.cn.

Content Size

567.4 kB

After Optimization

528.0 kB

In fact, the total size of Levelfive-audio.com main page is 567.4 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. 70% of websites need less resources to load. Images take 494.0 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 967 B

Original 1.8 kB
After minification 1.8 kB
After compression 830 B

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 967 B or 54% of the original size.

Image Optimization

-5%

Potential reduce by 23.9 kB

Original 494.0 kB
After minification 470.1 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. Level Five Audio images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 5.4 kB

Original 45.8 kB
After minification 45.7 kB
After compression 40.4 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 5.4 kB or 12% of the original size.

CSS Optimization

-35%

Potential reduce by 9.0 kB

Original 25.8 kB
After minification 25.8 kB
After compression 16.8 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. Levelfive-audio.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 35% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Level Five Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

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

High

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

These items highlight common accessibility best practices.

High

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

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Levelfive-audio.com 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 Levelfive-audio.com main page’s claimed encoding is gb2312. 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

levelfive-audio.com

Open Graph description is not detected on the main page of Level Five Audio. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)