Tools & Wizards About Us
meraboiler.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

meraboiler.com

Boiler Installation & Service in London | Meraboiler

Page Load Speed

5.7 sec in total

First Response

1.2 sec

Resources Loaded

3.2 sec

Page Rendered

1.2 sec

meraboiler.com screenshot

About Website

Welcome to meraboiler.com homepage info - get ready to check Meraboiler best content right away, or after learning these important things about meraboiler.com

Get a new boiler quote today with Mera boiler, installation as quick as next day. 0% APR finance available for 24 months. Vaillant Boiler

Visit meraboiler.com

Key Findings

We analyzed Meraboiler.com page load time and found that the first response time was 1.2 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

meraboiler.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,090 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

meraboiler.com

1249 ms

gtm.js

97 ms

style.min.css

130 ms

smart_wizard_all.min.css

126 ms

intlTelInput.css

135 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 53% of them (43 requests) were addressed to the original Meraboiler.com, 10% (8 requests) were made to Cdnjs.cloudflare.com and 9% (7 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Meraboiler.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.2 kB (10%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Meraboiler.com main page is 1.8 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 80.5 kB

  • Original 100.8 kB
  • After minification 85.2 kB
  • After compression 20.4 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 15.6 kB, which is 16% 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 80.5 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 99.0 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. Meraboiler images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 193.4 kB
  • After minification 193.4 kB
  • After compression 190.8 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 0 B

  • Original 62.1 kB
  • After minification 62.1 kB
  • After compression 62.1 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. Meraboiler.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (46%)

Requests Now

70

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Meraboiler. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

meraboiler.com

meraboiler.com

1249 ms

gtm.js

gtm.js

97 ms

style.min.css

style.min.css

130 ms

smart_wizard_all.min.css

smart_wizard_all.min.css

126 ms

intlTelInput.css

intlTelInput.css

135 ms

custom-quote-form-wizard.css

custom-quote-form-wizard.css

273 ms

tailwind.min.css

tailwind.min.css

152 ms

bootstrap.min.css

bootstrap.min.css

139 ms

custom-quote-form.css

custom-quote-form.css

274 ms

css2

css2

60 ms

all.min.css

all.min.css

49 ms

owl.carousel.min.css

owl.carousel.min.css

59 ms

owl.theme.default.css

owl.theme.default.css

68 ms

flipclock.css

flipclock.css

274 ms

main.css

main.css

278 ms

script.js

script.js

274 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

38 ms

jquery.smartWizard.min.js

jquery.smartWizard.min.js

376 ms

parsley.min.js

parsley.min.js

73 ms

intlTelInput.min.js

intlTelInput.min.js

146 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

134 ms

custom-quote-form-wizard.js

custom-quote-form-wizard.js

274 ms

custom-quote-form.js

custom-quote-form.js

274 ms

flipclock.min.js

flipclock.min.js

222 ms

owl.carousel.min.js

owl.carousel.min.js

11 ms

scripts.js

scripts.js

222 ms

delightchat.js

delightchat.js

297 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

296 ms

top-boiler-brands.svg

top-boiler-brands.svg

457 ms

superior-after-care.svg

superior-after-care.svg

441 ms

5-star-reviews.svg

5-star-reviews.svg

457 ms

interest-free.svg

interest-free.svg

450 ms

fixed-price-quote.svg

fixed-price-quote.svg

453 ms

local-engineers.svg

local-engineers.svg

449 ms

cropped-meraboiler_logo-1.png

cropped-meraboiler_logo-1.png

612 ms

loader.svg

loader.svg

402 ms

meraboiler-worcester-boiler.webp

meraboiler-worcester-boiler.webp

431 ms

meraboiler-vaillant-boiler.webp

meraboiler-vaillant-boiler.webp

433 ms

gas-safe-register.svg

gas-safe-register.svg

404 ms

next-day-installation.svg

next-day-installation.svg

430 ms

fixed-price-quote.svg

fixed-price-quote.svg

432 ms

vaillant-combi-boiler.png

vaillant-combi-boiler.png

617 ms

vaillant.png

vaillant.png

521 ms

glowwarm-combi-boiler.png

glowwarm-combi-boiler.png

611 ms

glowworm.png

glowworm.png

566 ms

worcester-combi-boiler.png

worcester-combi-boiler.png

969 ms

worcester.png

worcester.png

612 ms

ariston-combi-boiler.png

ariston-combi-boiler.png

617 ms

ariston.png

ariston.png

678 ms

boiler_installation.webp

boiler_installation.webp

647 ms

boiler_services.webp

boiler_services.webp

678 ms

easy_finance.jpg

easy_finance.jpg

681 ms

boilercertification.jpg

boilercertification.jpg

966 ms

powerflush.jpg

powerflush.jpg

967 ms

central_heating_system.webp

central_heating_system.webp

965 ms

boiler_repair.webp

boiler_repair.webp

966 ms

what-to-do-in-a-gas-emergency-gas-safety-tips-1.jpg

what-to-do-in-a-gas-emergency-gas-safety-tips-1.jpg

1009 ms

summer-sale-boiler-offer-free-hive-thermostat.jpg

summer-sale-boiler-offer-free-hive-thermostat.jpg

1013 ms

vaillant_ecotec_pro_1_2_1.jpg

vaillant_ecotec_pro_1_2_1.jpg

968 ms

meraboiler-footer-logo.png

meraboiler-footer-logo.png

967 ms

index.html

index.html

434 ms

ZVpRmM7G_8U

ZVpRmM7G_8U

511 ms

wave-bg-gray.png

wave-bg-gray.png

736 ms

install-engineer.png

install-engineer.png

738 ms

wave-bg-gray.png

wave-bg-gray.png

735 ms

ZXuke1cDvLCKLDcimxBI5A.ttf

ZXuke1cDvLCKLDcimxBI5A.ttf

220 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

161 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

161 ms

fa-solid-900.ttf

fa-solid-900.ttf

54 ms

fa-regular-400.ttf

fa-regular-400.ttf

53 ms

fa-brands-400.ttf

fa-brands-400.ttf

53 ms

long-arrow-right.svg

long-arrow-right.svg

539 ms

main.js

main.js

3 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

32 ms

base.js

base.js

66 ms

ad_status.js

ad_status.js

186 ms

0eec19jyZJIq-Yrvpx_JX6MyT7H4xziZcfWMUzmhD74.js

0eec19jyZJIq-Yrvpx_JX6MyT7H4xziZcfWMUzmhD74.js

152 ms

embed.js

embed.js

61 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

13 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

13 ms

Accessibility Review

meraboiler.com accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

meraboiler.com best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

meraboiler.com SEO score

93

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

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 Meraboiler.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 Meraboiler.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

meraboiler.com

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