Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

usalum.com

CRL-United States Aluminum - Architectural Metals Manufacturer and Distributor

Page Load Speed

509 ms in total

First Response

64 ms

Resources Loaded

277 ms

Page Rendered

168 ms

usalum.com screenshot

About Website

Visit usalum.com now to see the best up-to-date Usalum content and also check out these interesting facts you probably never knew about usalum.com

C. R. Laurence is the world leader, wholesale distributor to the Glazing, Industrial, Construction, Architectural, Hardware and Automotive Industries, supplying railing, windscreen, standoffs, and oth...

Visit usalum.com

Key Findings

We analyzed Usalum.com page load time and found that the first response time was 64 ms and then it took 445 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

usalum.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value5,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

index_new.html

64 ms

ga.js

10 ms

background.jpg

7 ms

usalum_01.jpg

8 ms

usalum_02.jpg

7 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Usalum.com, 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (64 ms) relates to the external source Crlaurence.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.7 kB (3%)

Content Size

375.3 kB

After Optimization

364.6 kB

In fact, the total size of Usalum.com main page is 375.3 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. 30% of websites need less resources to load. Images take 350.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.3 kB

  • Original 7.7 kB
  • After minification 7.6 kB
  • After compression 2.4 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 5.3 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 5.4 kB

  • Original 350.4 kB
  • After minification 345.1 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. Usalum images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usalum. According to our analytics all requests are already optimized.

Accessibility Review

usalum.com accessibility score

39

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.

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

usalum.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

usalum.com SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Usalum.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 Usalum.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Usalum. 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: