Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

naturalstoneinstitute.org

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

Page Load Speed

1.5 sec in total

First Response

43 ms

Resources Loaded

947 ms

Page Rendered

502 ms

naturalstoneinstitute.org screenshot

About Website

Visit naturalstoneinstitute.org now to see the best up-to-date Natural Stone Institute content for Iran and also check out these interesting facts you probably never knew about naturalstoneinstitute.org

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

Visit naturalstoneinstitute.org

Key Findings

We analyzed Naturalstoneinstitute.org page load time and found that the first response time was 43 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 30% of websites can load faster.

Performance Metrics

naturalstoneinstitute.org performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value1,130 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

naturalstoneinstitute.org

43 ms

www.naturalstoneinstitute.org

292 ms

normalize.css

20 ms

bootstrap.min.css

49 ms

supermenu.css

41 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 78% of them (73 requests) were addressed to the original Naturalstoneinstitute.org, 4% (4 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (292 ms) belongs to the original domain Naturalstoneinstitute.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 228.1 kB (11%)

Content Size

2.1 MB

After Optimization

1.9 MB

In fact, the total size of Naturalstoneinstitute.org main page is 2.1 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 62.9 kB

  • Original 77.9 kB
  • After minification 63.1 kB
  • After compression 14.9 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 14.7 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 62.9 kB or 81% of the original size.

Image Optimization

-9%

Potential reduce by 141.7 kB

  • Original 1.7 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. Natural Stone Institute images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 12.5 kB

  • Original 337.4 kB
  • After minification 337.0 kB
  • After compression 324.8 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

-31%

Potential reduce by 10.9 kB

  • Original 34.6 kB
  • After minification 33.8 kB
  • After compression 23.7 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. Naturalstoneinstitute.org needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (45%)

Requests Now

71

After Optimization

39

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Natural Stone 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 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

naturalstoneinstitute.org accessibility score

54

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

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

naturalstoneinstitute.org 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

naturalstoneinstitute.org 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 Naturalstoneinstitute.org 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 Naturalstoneinstitute.org 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 Natural Stone Institute. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: