Access jonathankeys.com. Jonathan Keys Opticians, High fashion frames and sunglasses in Belfast. Designer glasses and sunglas...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.403

25/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

jonathankeys.com

268 ms

jonathankeys.com

390 ms

base.css

225 ms

taurus-style.css

376 ms

font-awesome.css

300 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 69% of them (45 requests) were addressed to the original Jonathankeys.com, 9% (6 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Jonathankeys.com.

Content Size

8.3 MB

After Optimization

7.5 MB

In fact, the total size of Jonathankeys.com main page is 8.3 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. 55% of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 24.9 kB

Original 30.2 kB
After minification 21.9 kB
After compression 5.3 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 8.3 kB, which is 27% 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 24.9 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 222.9 kB

Original 7.5 MB
After minification 7.2 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. Jonathan Keys images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 275.1 kB

Original 454.3 kB
After minification 409.7 kB
After compression 179.2 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 275.1 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 270.7 kB

Original 318.0 kB
After minification 267.7 kB
After compression 47.3 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. Jonathankeys.com needs all CSS files to be minified and compressed as it can save up to 270.7 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jonathan Keys. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Browser errors were logged to the console

Search Engine Optimization Advices

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 doesn't use 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 Jonathankeys.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 Jonathankeys.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

jonathankeys.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Jonathan Keys Opticians, High fashion frames and sunglasses in Belfast. Designer glasses and sunglasses Northern Ireland

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

jonathankeys.com

jonathankeys.com

base.css

taurus-style.css

font-awesome.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

jonathankeys.com

jonathankeys.com

base.css

taurus-style.css

font-awesome.css

et-line.css

ionicons.min.css

retina.css

modernizr.custom.js

bootstrap.css

jk-fluid.css

css2

wny1kyw.css

slick.css

slick-theme.css

js

cookieconsent.min.js

bootstrap.js

jquery-migrate-1.2.1.min.js

slick.min.js

jquery-2.1.1.js

royal_preloader.min.js

plugins.js

js

contact.js

custom.js

css

css

p.css

gtm.js

fbevents.js

logo.png

menu-him-sunglasses.jpg

menu-her-sunglasses.jpg

menu-kids.jpg

cd-icon-controller.svg

banner-home-spet2022.png

home-optical-men2.jpg

home-optical-women2.jpg

home-eyecare.jpg

home-sunglasses.jpg

logo-prodesign.jpg

logo-mykita.jpg