Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

nslanalytical.com

NSL Analytical | Reliable Chemical and Metallurgical Testing

Page Load Speed

1.9 sec in total

First Response

150 ms

Resources Loaded

1.1 sec

Page Rendered

664 ms

nslanalytical.com screenshot

About Website

Visit nslanalytical.com now to see the best up-to-date NSL Analytical content for United States and also check out these interesting facts you probably never knew about nslanalytical.com

NSL Analytical provides testing services for chemical, metallurgical, polymer & powder materials for aerospace, additive manufacturing & more.

Visit nslanalytical.com

Key Findings

We analyzed Nslanalytical.com page load time and found that the first response time was 150 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

nslanalytical.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,780 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value22.1 s

1/100

10%

Network Requests Diagram

nslanalytical.com

150 ms

www.nslanalytical.com

135 ms

www.nslanalytical.com

243 ms

css2

55 ms

fuw7ags.css

88 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 82% of them (50 requests) were addressed to the original Nslanalytical.com, 7% (4 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (314 ms) belongs to the original domain Nslanalytical.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.8 kB (2%)

Content Size

3.8 MB

After Optimization

3.7 MB

In fact, the total size of Nslanalytical.com main page is 3.8 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. 75% 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 68.2 kB

  • Original 84.5 kB
  • After minification 78.7 kB
  • After compression 16.4 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 68.2 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.0 MB
  • After minification 3.0 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. NSL Analytical images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.9 kB

  • Original 620.0 kB
  • After minification 620.0 kB
  • After compression 618.1 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

-1%

Potential reduce by 683 B

  • Original 65.6 kB
  • After minification 65.6 kB
  • After compression 65.0 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. Nslanalytical.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 26 (50%)

Requests Now

52

After Optimization

26

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NSL Analytical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nslanalytical.com accessibility score

86

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-hidden="true"] elements contain focusable descendents

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

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

nslanalytical.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

nslanalytical.com SEO score

79

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nslanalytical.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Nslanalytical.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 NSL Analytical. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: