Report Summary

  • 28

    Performance

    Renders faster than
    48% 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

  • 86

    SEO

    Google-friendlier than
    60% of websites

th.onduline.com

Onduline Group | Roof suppliers & Roofing manufacturers

Page Load Speed

3.3 sec in total

First Response

283 ms

Resources Loaded

2.3 sec

Page Rendered

710 ms

About Website

Click here to check amazing Th Onduline content for Turkey. Otherwise, check out these important facts you probably never knew about th.onduline.com

Onduline Group is present in more than 100 countries to provide you the best service a roof supplier and a roof manufacturer can provide.

Visit th.onduline.com

Key Findings

We analyzed Th.onduline.com page load time and found that the first response time was 283 ms and then it took 3 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

th.onduline.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.2 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.852

4/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

onduline.com

283 ms

www.onduline.com

322 ms

en

187 ms

gtm.js

142 ms

css_Vf66b0H_LAHO8aOjG5OWczoT0mT1gxM-CDL7B08XDIk.css

23 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Th.onduline.com, 2% (1 request) were made to Googletagmanager.com and 2% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (424 ms) relates to the external source Onduline.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.5 kB (14%)

Content Size

857.9 kB

After Optimization

739.4 kB

In fact, the total size of Th.onduline.com main page is 857.9 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. 45% of websites need less resources to load. Images take 568.7 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 118.1 kB

  • Original 136.2 kB
  • After minification 106.2 kB
  • After compression 18.1 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. This page needs HTML code to be minified as it can gain 30.0 kB, which is 22% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 118.1 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 568.7 kB
  • After minification 568.7 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. Th Onduline images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 142.6 kB
  • After minification 142.6 kB
  • After compression 142.6 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

-3%

Potential reduce by 341 B

  • Original 10.3 kB
  • After minification 10.2 kB
  • After compression 10.0 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. Th.onduline.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (34%)

Requests Now

38

After Optimization

25

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Th Onduline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

th.onduline.com accessibility score

88

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

Links do not have a discernible name

Best Practices

th.onduline.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

Missing source maps for large first-party JavaScript

SEO Factors

th.onduline.com SEO score

86

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

High

Image elements do not have [alt] attributes

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

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 Th.onduline.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 Th.onduline.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

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