Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

metallica.com

Metallica.com

Page Load Speed

228.3 sec in total

First Response

175 ms

Resources Loaded

104.9 sec

Page Rendered

123.2 sec

metallica.com screenshot

About Website

Welcome to metallica.com homepage info - get ready to check Metallica best content for United States right away, or after learning these important things about metallica.com

The official Metallica website with all the latest news, tour dates, media and more. Join the Fan Club to become the Fifth Member of Meta...

Visit metallica.com

Key Findings

We analyzed Metallica.com page load time and found that the first response time was 175 ms and then it took 228.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 41 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

metallica.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value20.4 s

0/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value29,250 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value46.9 s

0/100

10%

Network Requests Diagram

metallica.com

175 ms

www.metallica.com

147 ms

www.metallica.com

580 ms

20170830_155349_7549_9857.css

4502 ms

poa7puh.js

5684 ms

Our browser made a total of 292 requests to load all elements on the main page. We found that 1% of them (3 requests) were addressed to the original Metallica.com, 43% (126 requests) were made to Scontent.cdninstagram.com and 21% (62 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (27.3 sec) relates to the external source Unsplash.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (5%)

Content Size

18.9 MB

After Optimization

17.9 MB

In fact, the total size of Metallica.com main page is 18.9 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 17.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 283.1 kB

  • Original 324.6 kB
  • After minification 284.2 kB
  • After compression 41.4 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. This page needs HTML code to be minified as it can gain 40.4 kB, which is 12% 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 283.1 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 188.6 kB

  • Original 17.6 MB
  • After minification 17.4 MB

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. Metallica images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 279.7 kB

  • Original 649.4 kB
  • After minification 648.1 kB
  • After compression 369.7 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 279.7 kB or 43% of the original size.

CSS Optimization

-81%

Potential reduce by 250.3 kB

  • Original 309.3 kB
  • After minification 303.9 kB
  • After compression 59.1 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. Metallica.com needs all CSS files to be minified and compressed as it can save up to 250.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (9%)

Requests Now

234

After Optimization

213

The browser has sent 234 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metallica. 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 from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

metallica.com accessibility score

80

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 input fields do not have accessible names

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.

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

Image elements do not have [alt] attributes

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

metallica.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

metallica.com SEO score

76

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Metallica.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 Metallica.com 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 data is detected on the main page of Metallica. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: