Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

qualitynano.eu

QualityNano Research Infrastructure - Welcome to QualityNano

Page Load Speed

3.4 sec in total

First Response

34 ms

Resources Loaded

3.1 sec

Page Rendered

223 ms

qualitynano.eu screenshot

About Website

Visit qualitynano.eu now to see the best up-to-date Quality Nano content and also check out these interesting facts you probably never knew about qualitynano.eu

Visit qualitynano.eu

Key Findings

We analyzed Qualitynano.eu page load time and found that the first response time was 34 ms and then it took 3.3 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

qualitynano.eu performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value90 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

qualitynano.eu

34 ms

qualitynano.eu

57 ms

stylesheet_7363d64cb0fe994ac9bd231f0fb0147c.css

8 ms

css

25 ms

jquery.min.js

21 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 94% of them (29 requests) were addressed to the original Qualitynano.eu, 3% (1 request) were made to Fonts.googleapis.com and 3% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Qualitynano.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.4 kB (16%)

Content Size

212.9 kB

After Optimization

178.5 kB

In fact, the total size of Qualitynano.eu main page is 212.9 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. 20% of websites need less resources to load. Images take 136.1 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 14.1 kB

  • Original 19.2 kB
  • After minification 15.5 kB
  • After compression 5.2 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. This page needs HTML code to be minified as it can gain 3.7 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 14.1 kB or 73% of the original size.

Image Optimization

-10%

Potential reduce by 12.9 kB

  • Original 136.1 kB
  • After minification 123.2 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. Quality Nano images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 6.0 kB

  • Original 51.3 kB
  • After minification 51.1 kB
  • After compression 45.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.0 kB or 12% of the original size.

CSS Optimization

-23%

Potential reduce by 1.4 kB

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 4.9 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. Qualitynano.eu needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (14%)

Requests Now

28

After Optimization

24

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Quality Nano. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

qualitynano.eu accessibility score

76

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

High

<html> element does not have a valid value for its [lang] attribute.

Best Practices

qualitynano.eu best practices score

58

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

qualitynano.eu SEO score

64

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

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 Qualitynano.eu 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 Qualitynano.eu 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 description is not detected on the main page of Quality Nano. 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: