Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

jacobi.net

Jacobi Group - Join us on our sustainability journey.

Page Load Speed

2.8 sec in total

First Response

165 ms

Resources Loaded

1.9 sec

Page Rendered

659 ms

jacobi.net screenshot

About Website

Welcome to jacobi.net homepage info - get ready to check Jacobi best content for United States right away, or after learning these important things about jacobi.net

Global suppliers of activated carbon products, ion exchange resins and mobile filter services for a variety of industries and applications.

Visit jacobi.net

Key Findings

We analyzed Jacobi.net page load time and found that the first response time was 165 ms and then it took 2.6 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

jacobi.net performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value28.0 s

0/100

25%

SI (Speed Index)

Value21.2 s

0/100

10%

TBT (Total Blocking Time)

Value6,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.127

1/100

15%

TTI (Time to Interactive)

Value30.1 s

0/100

10%

Network Requests Diagram

jacobi.net

165 ms

www.jacobi.net

185 ms

www.jacobi.net

412 ms

style.min.css

100 ms

style.min.css

107 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 7% of them (9 requests) were addressed to the original Jacobi.net, 74% (93 requests) were made to Jacobigroup.wpenginepowered.com and 9% (11 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (913 ms) relates to the external source Jacobigroup.wpenginepowered.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.6 kB (3%)

Content Size

7.3 MB

After Optimization

7.1 MB

In fact, the total size of Jacobi.net main page is 7.3 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. Only a small number of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 226.6 kB

  • Original 269.4 kB
  • After minification 266.3 kB
  • After compression 42.7 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 226.6 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 6.0 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. Jacobi images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.6 kB

  • Original 706.4 kB
  • After minification 706.4 kB
  • After compression 704.7 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

-4%

Potential reduce by 11.0 kB

  • Original 305.3 kB
  • After minification 305.3 kB
  • After compression 294.4 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. Jacobi.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 67 (60%)

Requests Now

112

After Optimization

45

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jacobi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 38 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jacobi.net accessibility score

88

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

jacobi.net 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

SEO Factors

jacobi.net SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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