Tools & Wizards About Us

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

koppglass.com

Kopp Glass | Custom Glass Manufacturer - Experts in Glass Science, Optics, & Mold Design | Pittsburgh, PA

Page Load Speed

3 sec in total

First Response

43 ms

Resources Loaded

1.4 sec

Page Rendered

1.5 sec

About Website

Click here to check amazing Kopp Glass content for United States. Otherwise, check out these important facts you probably never knew about koppglass.com

A high-performance custom glass manufacturer with 90+ years of expertise in manufacturing a variety of technical glass, Kopp is the go-to solution for high-performance, mission-critical molded glass.

Visit koppglass.com

Key Findings

We analyzed Koppglass.com page load time and found that the first response time was 43 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

koppglass.com performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value2,640 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.665

8/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

koppglass.com

43 ms

www.koppglass.com

134 ms

ajax-progress.module.css

10 ms

align.module.css

17 ms

autocomplete-loading.module.css

36 ms

Our browser made a total of 103 requests to load all elements on the main page. We found that 70% of them (72 requests) were addressed to the original Koppglass.com, 6% (6 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (899 ms) belongs to the original domain Koppglass.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 405.1 kB (6%)

Content Size

6.7 MB

After Optimization

6.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koppglass.com main page is 6.7 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 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 90.9 kB

  • Original 112.4 kB
  • After minification 96.5 kB
  • After compression 21.6 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 16.0 kB, which is 14% 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 90.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 232.3 kB

  • Original 6.2 MB
  • After minification 6.0 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. Kopp Glass images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 75.9 kB

  • Original 387.0 kB
  • After minification 387.0 kB
  • After compression 311.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 75.9 kB or 20% of the original size.

CSS Optimization

-15%

Potential reduce by 6.0 kB

  • Original 40.2 kB
  • After minification 39.1 kB
  • After compression 34.2 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. Koppglass.com needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 67 (73%)

Requests Now

92

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kopp Glass. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

koppglass.com accessibility score

75

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

[role] values are not valid

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

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

koppglass.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

Page has valid source maps

SEO Factors

koppglass.com SEO score

99

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

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 Koppglass.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 Koppglass.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 Kopp Glass. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: