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tetramer.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tetramer.com

Tetramer | Materials Development | Molecular Architects

Page Load Speed

3.2 sec in total

First Response

171 ms

Resources Loaded

1.6 sec

Page Rendered

1.4 sec

tetramer.com screenshot

About Website

Welcome to tetramer.com homepage info - get ready to check Tetramer best content right away, or after learning these important things about tetramer.com

An advanced materials company with extensive R&D and manufacturing capabilities, Tetramer is both a research partner and a supplier of proprietary custom materials.

Visit tetramer.com

Key Findings

We analyzed Tetramer.com page load time and found that the first response time was 171 ms and then it took 3.1 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

tetramer.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value37.8 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.826

4/100

15%

TTI (Time to Interactive)

Value27.4 s

0/100

10%

Network Requests Diagram

tetramer.com

171 ms

tetramer.com

297 ms

script.js

49 ms

style.css

79 ms

frontend.min.css

219 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 83% of them (85 requests) were addressed to the original Tetramer.com, 12% (12 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Cdn-cookieyes.com. The less responsive or slowest element that took the longest time to load (594 ms) belongs to the original domain Tetramer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 560.6 kB (7%)

Content Size

7.7 MB

After Optimization

7.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tetramer.com main page is 7.7 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. Only a small number of websites need less resources to load. Images take 7.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 121.9 kB

  • Original 144.9 kB
  • After minification 138.5 kB
  • After compression 23.1 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 121.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 422.2 kB

  • Original 7.3 MB
  • After minification 6.8 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. Tetramer images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 14.2 kB

  • Original 190.6 kB
  • After minification 190.6 kB
  • After compression 176.4 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

-2%

Potential reduce by 2.3 kB

  • Original 137.2 kB
  • After minification 137.2 kB
  • After compression 134.9 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. Tetramer.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 55 (65%)

Requests Now

84

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tetramer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 38 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tetramer.com

tetramer.com

171 ms

tetramer.com

tetramer.com

297 ms

script.js

script.js

49 ms

style.css

style.css

79 ms

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219 ms

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215 ms

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136 ms

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204 ms

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273 ms

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283 ms

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449 ms

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450 ms

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472 ms

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495 ms

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496 ms

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523 ms

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538 ms

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548 ms

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553 ms

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556 ms

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68 ms

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593 ms

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397 ms

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526 ms

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479 ms

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424 ms

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506 ms

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504 ms

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522 ms

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510 ms

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521 ms

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480 ms

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480 ms

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476 ms

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594 ms

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547 ms

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549 ms

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473 ms

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495 ms

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493 ms

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519 ms

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125 ms

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190 ms

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205 ms

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204 ms

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201 ms

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214 ms

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214 ms

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214 ms

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215 ms

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158 ms

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158 ms

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117 ms

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116 ms

Accessibility Review

tetramer.com accessibility score

94

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.

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

Links do not have a discernible name

Best Practices

tetramer.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

tetramer.com SEO score

98

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tetramer.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 Tetramer.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

tetramer.com

Open Graph data is detected on the main page of Tetramer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: