Tools & Wizards About Us
covers.biz screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

covers.biz

Covers Timber & Builders Merchants

Page Load Speed

3.8 sec in total

First Response

343 ms

Resources Loaded

3.1 sec

Page Rendered

344 ms

covers.biz screenshot

About Website

Welcome to covers.biz homepage info - get ready to check Covers best content for United Kingdom right away, or after learning these important things about covers.biz

Covers are a local, family-owned Builder & Timber Merchants with 15 depots, working with the building trade and open to the public. Looking for timber merchants in South of England? Discover our range...

Visit covers.biz

Key Findings

We analyzed Covers.biz page load time and found that the first response time was 343 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

covers.biz performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value2,990 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

covers.biz

343 ms

www.covers.biz

454 ms

css

72 ms

slim-081711.css

6 ms

superfish.css

164 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 81% of them (66 requests) were addressed to the original Covers.biz, 4% (3 requests) were made to S7.addthis.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Covers.biz.

Page Optimization Overview & Recommendations

Page size can be reduced by 475.0 kB (28%)

Content Size

1.7 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Covers.biz main page is 1.7 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. 45% of websites need less resources to load. Images take 988.2 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 69.6 kB

  • Original 95.8 kB
  • After minification 91.1 kB
  • After compression 26.1 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. 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 69.6 kB or 73% of the original size.

Image Optimization

-1%

Potential reduce by 11.2 kB

  • Original 988.2 kB
  • After minification 977.0 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. Covers images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 356.7 kB

  • Original 563.1 kB
  • After minification 561.6 kB
  • After compression 206.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 356.7 kB or 63% of the original size.

CSS Optimization

-82%

Potential reduce by 37.4 kB

  • Original 45.7 kB
  • After minification 33.5 kB
  • After compression 8.3 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. Covers.biz needs all CSS files to be minified and compressed as it can save up to 37.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (45%)

Requests Now

77

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Covers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

covers.biz

covers.biz

343 ms

www.covers.biz

www.covers.biz

454 ms

css

css

72 ms

slim-081711.css

slim-081711.css

6 ms

superfish.css

superfish.css

164 ms

default.css

default.css

168 ms

nivoSlider.css

nivoSlider.css

165 ms

cookie.css

cookie.css

173 ms

css

css

22 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

256 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

248 ms

superfish.js

superfish.js

250 ms

val.js

val.js

332 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

333 ms

jquery.labelify.js

jquery.labelify.js

334 ms

addthis_widget.js

addthis_widget.js

44 ms

Special-Offers-Image.jpg

Special-Offers-Image.jpg

440 ms

footer-top-bg.jpg

footer-top-bg.jpg

178 ms

bg.jpg

bg.jpg

178 ms

facebook.jpg

facebook.jpg

179 ms

twitter.png

twitter.png

221 ms

linkedin.jpg

linkedin.jpg

225 ms

youtube.png

youtube.png

228 ms

covers-logo.jpg

covers-logo.jpg

327 ms

depot.jpg

depot.jpg

327 ms

com-support.jpg

com-support.jpg

331 ms

Job-icon.jpg

Job-icon.jpg

383 ms

environmental-policy.jpg

environmental-policy.jpg

383 ms

telephone.png

telephone.png

388 ms

Eaaster-Opening-Times-2015.jpg

Eaaster-Opening-Times-2015.jpg

635 ms

SPRING-DEALS-2016---WEB-BANNER.jpg

SPRING-DEALS-2016---WEB-BANNER.jpg

649 ms

NEFF-COOKING-DEMO---Saturday-19th-March-2016---WEBSITE-BANNER.jpg

NEFF-COOKING-DEMO---Saturday-19th-March-2016---WEBSITE-BANNER.jpg

652 ms

Velux_Tour_2016_-_Brighton_22nd_March_2016_-_Web_banner.jpg

Velux_Tour_2016_-_Brighton_22nd_March_2016_-_Web_banner.jpg

700 ms

Southampton---Breakfast-Club---Website-Banner.jpg

Southampton---Breakfast-Club---Website-Banner.jpg

714 ms

The-Essential-Trader-42-2015.jpg

The-Essential-Trader-42-2015.jpg

715 ms

Rangemaster---Banner-2.jpg

Rangemaster---Banner-2.jpg

959 ms

Rangemaster---Banner.jpg

Rangemaster---Banner.jpg

972 ms

Kitchen-and-Bathrooms---Web-Banner-V2.jpg

Kitchen-and-Bathrooms---Web-Banner-V2.jpg

977 ms

PRODUCTS_page_label.jpg

PRODUCTS_page_label.jpg

943 ms

Services.jpg

Services.jpg

1037 ms

Eco-Centre.jpg

Eco-Centre.jpg

1033 ms

Account-Application.jpg

Account-Application.jpg

1267 ms

Product-Calculators.jpg

Product-Calculators.jpg

1282 ms

Depot-Locator.jpg

Depot-Locator.jpg

1212 ms

News.jpg

News.jpg

1221 ms

Covers-Home-Ideas-2.jpg

Covers-Home-Ideas-2.jpg

1279 ms

Velux_Roadshow_2016.jpg

Velux_Roadshow_2016.jpg

1200 ms

Kitchens_-_DB.jpg

Kitchens_-_DB.jpg

1360 ms

Essential-Trader-Dynamic-Box.jpg

Essential-Trader-Dynamic-Box.jpg

1456 ms

Easter_Opening.gif

Easter_Opening.gif

1455 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

87 ms

SPRING-DEALS-2016---DYNAMIC-BOX.jpg

SPRING-DEALS-2016---DYNAMIC-BOX.jpg

1371 ms

all.js

all.js

158 ms

300lo.json

300lo.json

33 ms

counter.5524cceca805eb4b9b2b.js

counter.5524cceca805eb4b9b2b.js

7 ms

Brochures-Dynamic-Box.jpg

Brochures-Dynamic-Box.jpg

1304 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

25 ms

FSC-logo.jpg

FSC-logo.jpg

1304 ms

shares.json

shares.json

22 ms

BMF-logo.jpg

BMF-logo.jpg

1352 ms

NaSBA-logo.jpg

NaSBA-logo.jpg

1423 ms

PEFC-logo.jpg

PEFC-logo.jpg

1437 ms

timber-centre-of-the-year.jpg

timber-centre-of-the-year.jpg

1393 ms

header-bg.jpg

header-bg.jpg

1406 ms

search.jpg

search.jpg

1400 ms

122 ms

cant-find-what-your-looking-for.jpg

cant-find-what-your-looking-for.jpg

1364 ms

xd_arbiter.php

xd_arbiter.php

134 ms

xd_arbiter.php

xd_arbiter.php

261 ms

banner-corners.png

banner-corners.png

1436 ms

loading.gif

loading.gif

1643 ms

back_btn.jpg

back_btn.jpg

1397 ms

related-title.jpg

related-title.jpg

1406 ms

divide.png

divide.png

1403 ms

margin-bg.png

margin-bg.png

1400 ms

footer-bg.jpg

footer-bg.jpg

1279 ms

footer-bg-image.png

footer-bg-image.png

1293 ms

signup-button.jpg

signup-button.jpg

1248 ms

banner-back_btn.png

banner-back_btn.png

1238 ms

banner-next_btn.png

banner-next_btn.png

1380 ms

Accessibility Review

covers.biz accessibility score

69

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-*] attributes do not have valid values

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

<frame> or <iframe> elements do not have a title

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

covers.biz best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

covers.biz SEO score

84

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

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 Covers.biz 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 Covers.biz 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

covers.biz

Open Graph description is not detected on the main page of Covers. 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: