Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

osadoorparts.co.uk

OSA Door Parts | Industrial Sectional Overhead Doors | Industrial Door Components | Repair Materials Industrial Doors » OSA Door Parts Limited

Page Load Speed

9.6 sec in total

First Response

289 ms

Resources Loaded

8.5 sec

Page Rendered

818 ms

About Website

Click here to check amazing OSA Door Parts content. Otherwise, check out these important facts you probably never knew about osadoorparts.co.uk

Industrial Sectional Overhead Doors, Sectional Overhead Door Parts, Industrial Door Components, Repair Materials for Industrial Doors, Steel Hinged Door Sets, Sectional Garage Doors, Sectional Overhea...

Visit osadoorparts.co.uk

Key Findings

We analyzed Osadoorparts.co.uk page load time and found that the first response time was 289 ms and then it took 9.3 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

osadoorparts.co.uk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.479

18/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

osadoorparts.co.uk

289 ms

www.osadoorparts.co.uk

253 ms

www.osadoorparts.co.uk

2476 ms

css

33 ms

bootstrap.css

260 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 93% of them (70 requests) were addressed to the original Osadoorparts.co.uk, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Osadoorparts.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.1 kB (8%)

Content Size

4.6 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osadoorparts.co.uk main page is 4.6 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. 60% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 70.5 kB

  • Original 81.9 kB
  • After minification 64.7 kB
  • After compression 11.5 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 17.3 kB, which is 21% 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 70.5 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 211.2 kB

  • Original 4.1 MB
  • After minification 3.9 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. OSA Door Parts images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 63.8 kB

  • Original 344.1 kB
  • After minification 344.1 kB
  • After compression 280.3 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 63.8 kB or 19% of the original size.

CSS Optimization

-12%

Potential reduce by 10.7 kB

  • Original 91.2 kB
  • After minification 91.2 kB
  • After compression 80.5 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. Osadoorparts.co.uk needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (59%)

Requests Now

68

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSA Door Parts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

osadoorparts.co.uk accessibility score

75

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

[id] attributes on active, focusable elements are not unique

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

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

osadoorparts.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

osadoorparts.co.uk SEO score

85

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osadoorparts.co.uk 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 Osadoorparts.co.uk 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 description is not detected on the main page of OSA Door Parts. 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: