Access gassafe.net. Gas Safe Engineers in Bromley | Boiler repair Bromley

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value1,980 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

gassafe.net

451 ms

gassafe.net

223 ms

jquery.min.js

70 ms

moxie.min.js

92 ms

plupload.min.js

106 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 94% of them (17 requests) were addressed to the original Gassafe.net, 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (451 ms) belongs to the original domain Gassafe.net.

Content Size

1.1 MB

After Optimization

413.2 kB

In fact, the total size of Gassafe.net main page is 1.1 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. 30% of websites need less resources to load. HTML takes 758.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 666.0 kB

Original 758.8 kB
After minification 645.5 kB
After compression 92.7 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 113.3 kB, which is 15% 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 666.0 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 320.5 kB
After minification 320.5 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. Gas Safe images are well optimized though.

Requests Now

After Optimization

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gas Safe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gassafe.net 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 Gassafe.net main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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