Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

marble-institute.com

Natural Stone Institute - Stone Industry Resources From The Leading Association Natural Stone Institute

Page Load Speed

2.7 sec in total

First Response

60 ms

Resources Loaded

2 sec

Page Rendered

606 ms

marble-institute.com screenshot

About Website

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

Formerly Marble Institute of America and Building Stone Institute. Find resources, education, standards, and technical specifications for the stone industry.

Visit marble-institute.com

Key Findings

We analyzed Marble-institute.com page load time and found that the first response time was 60 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

marble-institute.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

marble-institute.com

60 ms

naturalstoneinstitute.org

77 ms

www.naturalstoneinstitute.org

643 ms

normalize.css

33 ms

bootstrap.min.css

132 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Marble-institute.com, 71% (60 requests) were made to Naturalstoneinstitute.org and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (643 ms) relates to the external source Naturalstoneinstitute.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 135.2 kB (7%)

Content Size

1.9 MB

After Optimization

1.7 MB

In fact, the total size of Marble-institute.com main page is 1.9 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. 65% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.8 kB

  • Original 73.8 kB
  • After minification 59.9 kB
  • After compression 14.0 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 13.9 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 59.8 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 67.5 kB

  • Original 1.6 MB
  • After minification 1.5 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. Marble Institute images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 4.6 kB

  • Original 164.8 kB
  • After minification 164.5 kB
  • After compression 160.2 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

-12%

Potential reduce by 3.3 kB

  • Original 26.7 kB
  • After minification 26.5 kB
  • After compression 23.4 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. Marble-institute.com needs all CSS files to be minified and compressed as it can save up to 3.3 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (43%)

Requests Now

74

After Optimization

42

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Marble Institute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

marble-institute.com accessibility score

65

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

Best Practices

marble-institute.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

marble-institute.com SEO score

85

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

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 Marble-institute.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 Marble-institute.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 Marble Institute. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: