Tools & Wizards About Us

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

metal-dome.biz

Custom Dome Arrays | Customize Metal Dome arrays | Speical Metal Dome Sheets - OEM Dome Array

Page Load Speed

4.2 sec in total

First Response

169 ms

Resources Loaded

3.9 sec

Page Rendered

85 ms

About Website

Click here to check amazing Metal Dome content. Otherwise, check out these important facts you probably never knew about metal-dome.biz

Dome Arrays are pre loaded polyester dome carriers backed with pressure sensitive adhesive. Arrays come loaded with the dome(s) of your choice, cut to the size and shape you specify. Different sizes, ...

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Key Findings

We analyzed Metal-dome.biz page load time and found that the first response time was 169 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

metal-dome.biz performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.223

56/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

metal-dome.biz

169 ms

www.metal-dome.biz

184 ms

bootstrap.css

176 ms

jquery.js

283 ms

bootstrap.min.js

203 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 52% of them (11 requests) were addressed to the original Metal-dome.biz, 10% (2 requests) were made to Hzs5.cnzz.com and 10% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source C.cnzz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.7 kB (26%)

Content Size

147.3 kB

After Optimization

109.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Metal-dome.biz main page is 147.3 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. Javascripts take 96.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 12.7 kB

  • Original 17.1 kB
  • After minification 14.1 kB
  • After compression 4.3 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 17% 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 12.7 kB or 75% of the original size.

Image Optimization

-5%

Potential reduce by 587 B

  • Original 12.3 kB
  • After minification 11.7 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. Metal Dome images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 22.6 kB

  • Original 96.2 kB
  • After minification 95.7 kB
  • After compression 73.6 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 22.6 kB or 23% of the original size.

CSS Optimization

-8%

Potential reduce by 1.8 kB

  • Original 21.7 kB
  • After minification 21.7 kB
  • After compression 19.9 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. Metal-dome.biz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metal Dome. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

metal-dome.biz accessibility score

82

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.

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

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

metal-dome.biz best practices score

67

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

Page has valid source maps

SEO Factors

metal-dome.biz SEO score

92

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

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

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 Metal-dome.biz 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 Metal-dome.biz 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 Metal Dome. 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: