Tools & Wizards About Us
brenda-enzymes.info screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

brenda-enzymes.info

BRENDA Enzyme Database

Page Load Speed

3.6 sec in total

First Response

1.1 sec

Resources Loaded

2.3 sec

Page Rendered

195 ms

brenda-enzymes.info screenshot

About Website

Welcome to brenda-enzymes.info homepage info - get ready to check BRENDA Enzyme S best content for United States right away, or after learning these important things about brenda-enzymes.info

BRENDA - The Comprehensive Enzyme Information System

Visit brenda-enzymes.info

Key Findings

We analyzed Brenda-enzymes.info page load time and found that the first response time was 1.1 sec and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

brenda-enzymes.info performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

brenda-enzymes.info

1056 ms

styles.css

520 ms

overlib.js

519 ms

general.js

621 ms

search_result.js

322 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 96% of them (27 requests) were addressed to the original Brenda-enzymes.info, 4% (1 request) were made to Matomo.dsmz.de. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Brenda-enzymes.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (75%)

Content Size

1.3 MB

After Optimization

333.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Brenda-enzymes.info main page is 1.3 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. 55% of websites need less resources to load. HTML takes 758.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 634.3 kB

  • Original 758.7 kB
  • After minification 688.0 kB
  • After compression 124.4 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 634.3 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 24.5 kB

  • Original 136.3 kB
  • After minification 111.8 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. Obviously, BRENDA Enzyme S needs image optimization as it can save up to 24.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-78%

Potential reduce by 222.9 kB

  • Original 286.0 kB
  • After minification 262.7 kB
  • After compression 63.1 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 222.9 kB or 78% of the original size.

CSS Optimization

-80%

Potential reduce by 132.6 kB

  • Original 166.7 kB
  • After minification 152.3 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. Brenda-enzymes.info needs all CSS files to be minified and compressed as it can save up to 132.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (44%)

Requests Now

16

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BRENDA Enzyme S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

brenda-enzymes.info

brenda-enzymes.info

1056 ms

styles.css

styles.css

520 ms

overlib.js

overlib.js

519 ms

general.js

general.js

621 ms

search_result.js

search_result.js

322 ms

livesearch.js

livesearch.js

323 ms

all.min.css

all.min.css

743 ms

feedback.js

feedback.js

428 ms

awstats_misc_tracker.js

awstats_misc_tracker.js

535 ms

matomo.js

matomo.js

861 ms

brenda_logo.svg

brenda_logo.svg

236 ms

logo_dsmz_en.svg

logo_dsmz_en.svg

238 ms

D3-Logo.png

D3-Logo.png

246 ms

GCBR-Logo-RGB.png

GCBR-Logo-RGB.png

247 ms

core-data-resources-logo.png

core-data-resources-logo.png

247 ms

deNBI_Logo_rgb.png

deNBI_Logo_rgb.png

236 ms

awstats_misc_tracker.js

awstats_misc_tracker.js

145 ms

Rubik-Regular.ttf

Rubik-Regular.ttf

109 ms

Rubik-Medium.ttf

Rubik-Medium.ttf

118 ms

Rubik-Light.ttf

Rubik-Light.ttf

208 ms

Rubik-SemiBold.ttf

Rubik-SemiBold.ttf

411 ms

fa-solid-900.ttf

fa-solid-900.ttf

531 ms

fa-regular-400.ttf

fa-regular-400.ttf

118 ms

Rubik-Italic.ttf

Rubik-Italic.ttf

219 ms

Rubik-MediumItalic.ttf

Rubik-MediumItalic.ttf

320 ms

Rubik-LightItalic.ttf

Rubik-LightItalic.ttf

347 ms

Rubik-SemiBoldItalic.ttf

Rubik-SemiBoldItalic.ttf

314 ms

fa-brands-400.ttf

fa-brands-400.ttf

347 ms

Accessibility Review

brenda-enzymes.info accessibility score

86

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

brenda-enzymes.info 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

SEO Factors

brenda-enzymes.info SEO score

69

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Brenda-enzymes.info can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Brenda-enzymes.info 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

brenda-enzymes.info

Open Graph description is not detected on the main page of BRENDA Enzyme S. 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: