Tools & Wizards About Us
rosenburg.co screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

rosenburg.co

rosenburg aluminium extrusion manifactury - custom extrusion

Page Load Speed

19.3 sec in total

First Response

8.1 sec

Resources Loaded

10.7 sec

Page Rendered

511 ms

rosenburg.co screenshot

About Website

Welcome to rosenburg.co homepage info - get ready to check Rosenburg best content for Iran right away, or after learning these important things about rosenburg.co

Aluminum Extrusion With Best Price And Fast Delivery In Rosenberg Aluminum - Standard Type Of Custom Aluminum Extrusion For Industry

Visit rosenburg.co

Key Findings

We analyzed Rosenburg.co page load time and found that the first response time was 8.1 sec and then it took 11.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

rosenburg.co performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

rosenburg.co

8102 ms

webfontloader.min.js

307 ms

86b2024d05e10eaba0080dfba910b3bf.css

1095 ms

jquery.min.js

486 ms

10343668f19e639aa432bd1ab4d2a93c.js

675 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 73% of them (61 requests) were addressed to the original Rosenburg.co, 25% (21 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (8.1 sec) belongs to the original domain Rosenburg.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.9 kB (14%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rosenburg.co main page is 1.9 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 164.8 kB

  • Original 201.2 kB
  • After minification 200.1 kB
  • After compression 36.3 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 164.8 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 89.5 kB

  • Original 1.4 MB
  • After minification 1.3 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. Rosenburg images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.5 kB

  • Original 217.9 kB
  • After minification 217.9 kB
  • After compression 214.4 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

-0%

Potential reduce by 79 B

  • Original 103.3 kB
  • After minification 103.3 kB
  • After compression 103.2 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. Rosenburg.co has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (42%)

Requests Now

52

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosenburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rosenburg.co

rosenburg.co

8102 ms

webfontloader.min.js

webfontloader.min.js

307 ms

86b2024d05e10eaba0080dfba910b3bf.css

86b2024d05e10eaba0080dfba910b3bf.css

1095 ms

jquery.min.js

jquery.min.js

486 ms

10343668f19e639aa432bd1ab4d2a93c.js

10343668f19e639aa432bd1ab4d2a93c.js

675 ms

jquery.min.js

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486 ms

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695 ms

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525 ms

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1091 ms

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1091 ms

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1092 ms

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1091 ms

css

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56 ms

slider-1.jpg

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781 ms

aluminium-extrusions-profiles-standard-uses-for-best-price-list-aluminium-product-13.jpg

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505 ms

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192 ms

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521 ms

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301 ms

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336 ms

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367 ms

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451 ms

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79 ms

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103 ms

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671 ms

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541 ms

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585 ms

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101 ms

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105 ms

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105 ms

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105 ms

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106 ms

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109 ms

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106 ms

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107 ms

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107 ms

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106 ms

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108 ms

content-2.en-min.jpg

content-2.en-min.jpg

749 ms

aluminium-extrusions-profiles-standard-uses-for-best-price-list-aluminium-product-14.jpg

aluminium-extrusions-profiles-standard-uses-for-best-price-list-aluminium-product-14.jpg

1041 ms

arrow-up.png

arrow-up.png

704 ms

arrow-down.png

arrow-down.png

748 ms

content-4.jpg

content-4.jpg

1002 ms

footer-pattern.png

footer-pattern.png

778 ms

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176 ms

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169 ms

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156 ms

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175 ms

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153 ms

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170 ms

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303 ms

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310 ms

about-2-1.jpg

about-2-1.jpg

338 ms

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340 ms

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351 ms

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350 ms

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453 ms

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464 ms

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504 ms

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507 ms

phone-call.svg

phone-call.svg

526 ms

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whatsapp.svg

524 ms

telegram.svg

telegram.svg

603 ms

Accessibility Review

rosenburg.co accessibility score

85

Accessibility Issues

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

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

rosenburg.co best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rosenburg.co SEO score

77

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Rosenburg.co 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 Rosenburg.co 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

rosenburg.co

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