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Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

lysozyme.co.uk

Lysozyme

Page Load Speed

1.6 sec in total

First Response

190 ms

Resources Loaded

1.3 sec

Page Rendered

79 ms

lysozyme.co.uk screenshot

About Website

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

Chicken egg white Lysozyme. Enzymatic activity, sequence, crystallization and 3D structure of this enzyme.

Visit lysozyme.co.uk

Key Findings

We analyzed Lysozyme.co.uk page load time and found that the first response time was 190 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

lysozyme.co.uk performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

lysozyme.co.uk

190 ms

style.css

80 ms

jquery.min.js

165 ms

jquery.magnifier.js

206 ms

show_ads.js

33 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 38% of them (5 requests) were addressed to the original Lysozyme.co.uk, 23% (3 requests) were made to Pagead2.googlesyndication.com and 23% (3 requests) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (492 ms) relates to the external source Counter.yadro.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.1 kB (4%)

Content Size

261.9 kB

After Optimization

251.8 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Lysozyme.co.uk main page is 261.9 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. Only 10% of websites need less resources to load. Javascripts take 246.1 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 10.0 kB

  • Original 15.4 kB
  • After minification 15.2 kB
  • After compression 5.4 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 10.0 kB or 65% of the original size.

JavaScript Optimization

-0%

Potential reduce by 36 B

  • Original 246.1 kB
  • After minification 246.1 kB
  • After compression 246.1 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

-17%

Potential reduce by 66 B

  • Original 385 B
  • After minification 385 B
  • After compression 319 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. Lysozyme.co.uk needs all CSS files to be minified and compressed as it can save up to 66 B or 17% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lysozyme. According to our analytics all requests are already optimized.

Network Requests Diagram

lysozyme.co.uk

lysozyme.co.uk

190 ms

style.css

style.css

80 ms

jquery.min.js

jquery.min.js

165 ms

jquery.magnifier.js

jquery.magnifier.js

206 ms

show_ads.js

show_ads.js

33 ms

Logo_25wht.gif

Logo_25wht.gif

17 ms

adsbygoogle.js

adsbygoogle.js

64 ms

hit

hit

264 ms

lysozyme.gif

lysozyme.gif

108 ms

show_ads_impl.js

show_ads_impl.js

119 ms

hit

hit

492 ms

ads

ads

166 ms

hit

hit

123 ms

Accessibility Review

lysozyme.co.uk accessibility score

69

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

lysozyme.co.uk best practices score

67

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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

lysozyme.co.uk SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lysozyme.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 Lysozyme.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

lysozyme.co.uk

Open Graph description is not detected on the main page of Lysozyme. 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: