Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

proteochem.com

ProteoChem - Crosslinking Protein Biology and Chemistry

Page Load Speed

997 ms in total

First Response

81 ms

Resources Loaded

784 ms

Page Rendered

132 ms

proteochem.com screenshot

About Website

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

ProteoChem manufactures protein crosslinkers, analytical standards, and novel proteomics reagents for protein detection and protein modification that are used in mass spectrometry, drug development, d...

Visit proteochem.com

Key Findings

We analyzed Proteochem.com page load time and found that the first response time was 81 ms and then it took 916 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

proteochem.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

proteochem.com

81 ms

www.proteochem.com

326 ms

stylesheet.css

20 ms

fwr_suckertree_css_menu.php

170 ms

suckertree.js.php

176 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 84% of them (21 requests) were addressed to the original Proteochem.com, 8% (2 requests) were made to Ssl.google-analytics.com and 4% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (326 ms) belongs to the original domain Proteochem.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.7 kB (19%)

Content Size

294.9 kB

After Optimization

239.2 kB

In fact, the total size of Proteochem.com main page is 294.9 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. Only 10% of websites need less resources to load. Images take 218.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 49.4 kB

  • Original 57.1 kB
  • After minification 54.0 kB
  • After compression 7.7 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 49.4 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 5.3 kB

  • Original 218.0 kB
  • After minification 212.7 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. Proteo Chem 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.

CSS Optimization

-36%

Potential reduce by 967 B

  • Original 2.7 kB
  • After minification 2.7 kB
  • After compression 1.7 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. Proteochem.com needs all CSS files to be minified and compressed as it can save up to 967 B or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (53%)

Requests Now

19

After Optimization

9

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

Accessibility Review

proteochem.com accessibility score

64

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

proteochem.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

proteochem.com SEO score

71

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Proteochem.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 Proteochem.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 Proteo Chem. 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: