Tools & Wizards About Us
comfortglasses.co.uk screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

comfortglasses.co.uk

Cheap Glasses In UK, Online Glasses London, Buy Prescription Glasses

Page Load Speed

2.5 sec in total

First Response

803 ms

Resources Loaded

1.6 sec

Page Rendered

139 ms

comfortglasses.co.uk screenshot

About Website

Click here to check amazing Comfort Glasses content. Otherwise, check out these important facts you probably never knew about comfortglasses.co.uk

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Key Findings

We analyzed Comfortglasses.co.uk page load time and found that the first response time was 803 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

comfortglasses.co.uk performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

90/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

comfortglasses.co.uk

803 ms

style.css

72 ms

skin.css

123 ms

custom.css

127 ms

validationEngine.jquery.css

129 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 85% of them (53 requests) were addressed to the original Comfortglasses.co.uk, 6% (4 requests) were made to Google-analytics.com and 2% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (803 ms) belongs to the original domain Comfortglasses.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.9 kB (18%)

Content Size

713.9 kB

After Optimization

585.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Comfortglasses.co.uk main page is 713.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 407.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 28.2 kB

  • Original 33.3 kB
  • After minification 27.6 kB
  • After compression 5.0 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 5.7 kB, which is 17% 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 28.2 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 5.9 kB

  • Original 407.5 kB
  • After minification 401.7 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. Comfort Glasses images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 86.2 kB

  • Original 253.4 kB
  • After minification 241.4 kB
  • After compression 167.2 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 86.2 kB or 34% of the original size.

CSS Optimization

-43%

Potential reduce by 8.6 kB

  • Original 19.8 kB
  • After minification 19.8 kB
  • After compression 11.2 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. Comfortglasses.co.uk needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 43% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (46%)

Requests Now

59

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Comfort Glasses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

comfortglasses.co.uk

comfortglasses.co.uk

803 ms

style.css

style.css

72 ms

skin.css

skin.css

123 ms

custom.css

custom.css

127 ms

validationEngine.jquery.css

validationEngine.jquery.css

129 ms

conversion.js

conversion.js

75 ms

jquery.min_nav.js

jquery.min_nav.js

191 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

127 ms

jquery.dcmegamenu.1.3.3.js

jquery.dcmegamenu.1.3.3.js

153 ms

collection.js

collection.js

196 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

248 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

198 ms

jquery.validationEngine-en.js

jquery.validationEngine-en.js

198 ms

jquery.validationEngine.js

jquery.validationEngine.js

199 ms

ddaccordion.js

ddaccordion.js

258 ms

collection2.js

collection2.js

261 ms

jquery.simplyscroll.js

jquery.simplyscroll.js

262 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

264 ms

jquery.timer.js

jquery.timer.js

264 ms

image-rotator.js

image-rotator.js

308 ms

jquery.themepunch.plugins.min.js

jquery.themepunch.plugins.min.js

317 ms

jquery.themepunch.revolution.min.js

jquery.themepunch.revolution.min.js

332 ms

jquery.idTabs.js

jquery.idTabs.js

318 ms

jquery.simplemodal.js

jquery.simplemodal.js

324 ms

basic.js

basic.js

336 ms

tooltip.js

tooltip.js

369 ms

analytics.js

analytics.js

25 ms

63 ms

livechat.ashx

livechat.ashx

336 ms

small_fb.jpg

small_fb.jpg

238 ms

small_linkdin.jpg

small_linkdin.jpg

239 ms

small_g_plus.jpg

small_g_plus.jpg

240 ms

small_twitter.jpg

small_twitter.jpg

248 ms

cg_logo.jpg

cg_logo.jpg

248 ms

return_truck.jpg

return_truck.jpg

286 ms

h_clock.jpg

h_clock.jpg

294 ms

h_cart.jpg

h_cart.jpg

295 ms

arrow.jpg

arrow.jpg

305 ms

rectangle.jpg

rectangle.jpg

317 ms

wayferar.jpg

wayferar.jpg

316 ms

ovel.jpg

ovel.jpg

348 ms

aviator.jpg

aviator.jpg

359 ms

round.jpg

round.jpg

357 ms

cat-eye.jpg

cat-eye.jpg

368 ms

browline.jpg

browline.jpg

380 ms

h_search.jpg

h_search.jpg

379 ms

rimless.jpg

rimless.jpg

408 ms

collect

collect

39 ms

ga.js

ga.js

7 ms

semi_rimmed.jpg

semi_rimmed.jpg

374 ms

full_frames.jpg

full_frames.jpg

377 ms

plastic.jpg

plastic.jpg

385 ms

mens.jpg

mens.jpg

397 ms

womans.jpg

womans.jpg

395 ms

35 ms

__utm.gif

__utm.gif

13 ms

js

js

69 ms

sunglasses.jpg

sunglasses.jpg

366 ms

designer.jpg

designer.jpg

372 ms

offers_banner.jpg

offers_banner.jpg

487 ms

f_payments.jpg

f_payments.jpg

383 ms

loading2.gif

loading2.gif

409 ms

Accessibility Review

comfortglasses.co.uk accessibility score

46

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.

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

comfortglasses.co.uk best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

comfortglasses.co.uk SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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 Comfortglasses.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 Comfortglasses.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

comfortglasses.co.uk

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