Tools & Wizards About Us
specsavers.co.za screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

specsavers.co.za

Spec-Savers South Africa - For Affordable Eye Care

Page Load Speed

11 sec in total

First Response

945 ms

Resources Loaded

9.6 sec

Page Rendered

488 ms

specsavers.co.za screenshot

About Website

Visit specsavers.co.za now to see the best up-to-date Spec Savers content for South Africa and also check out these interesting facts you probably never knew about specsavers.co.za

Affordable Eye Care

Visit specsavers.co.za

Key Findings

We analyzed Specsavers.co.za page load time and found that the first response time was 945 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

specsavers.co.za performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value1,120 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.668

8/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

www.specsavers.co.za

945 ms

805693708.js

205 ms

css

22 ms

core

882 ms

catalog

901 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 77% of them (47 requests) were addressed to the original Specsavers.co.za, 3% (2 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.5 sec) belongs to the original domain Specsavers.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 530.6 kB (16%)

Content Size

3.3 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Specsavers.co.za main page is 3.3 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 74.0 kB

  • Original 84.5 kB
  • After minification 48.8 kB
  • After compression 10.5 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 35.7 kB, which is 42% 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 74.0 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 140.8 kB

  • Original 2.7 MB
  • After minification 2.6 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. Spec Savers images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 315.6 kB

  • Original 462.3 kB
  • After minification 462.2 kB
  • After compression 146.7 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 315.6 kB or 68% of the original size.

CSS Optimization

-50%

Potential reduce by 216 B

  • Original 436 B
  • After minification 393 B
  • After compression 220 B

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. Specsavers.co.za needs all CSS files to be minified and compressed as it can save up to 216 B or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (27%)

Requests Now

56

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spec Savers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.specsavers.co.za

www.specsavers.co.za

945 ms

805693708.js

805693708.js

205 ms

css

css

22 ms

core

core

882 ms

catalog

catalog

901 ms

loyalty-logo.png

loyalty-logo.png

667 ms

mobi-logo.png

mobi-logo.png

876 ms

contact.png

contact.png

585 ms

search.png

search.png

592 ms

menu.png

menu.png

877 ms

geeky-small.jpg

geeky-small.jpg

1182 ms

cat-eye-small.jpg

cat-eye-small.jpg

919 ms

frame-prices(1).jpg

frame-prices(1).jpg

1500 ms

home-try-on(4).jpg

home-try-on(4).jpg

1532 ms

speical-offer.jpg

speical-offer.jpg

2042 ms

police1.jpg

police1.jpg

2378 ms

Contact-Lens-Savers-FB.jpg

Contact-Lens-Savers-FB.jpg

1907 ms

promo.jpg

promo.jpg

1773 ms

modernizer

modernizer

1758 ms

scripts

scripts

2394 ms

jqueryval

jqueryval

2035 ms

catalogue

catalogue

2054 ms

c062b2c690f7a9a7e4111d2dc120cd0d076998e5.js

c062b2c690f7a9a7e4111d2dc120cd0d076998e5.js

32 ms

small-credit.jpg

small-credit.jpg

2086 ms

finger.jpg

finger.jpg

2296 ms

cards.jpg

cards.jpg

2335 ms

book-online(1).jpg

book-online(1).jpg

2639 ms

kids.jpg

kids.jpg

2380 ms

eye-test.jpg

eye-test.jpg

3867 ms

choosing.jpg

choosing.jpg

2633 ms

summer-promo-SA(5).jpg

summer-promo-SA(5).jpg

3796 ms

book-online.jpg

book-online.jpg

2976 ms

credit(2).jpg

credit(2).jpg

2725 ms

home-try-on2.jpg

home-try-on2.jpg

2930 ms

book-online1.jpg

book-online1.jpg

2930 ms

SS-Credit1(1).jpg

SS-Credit1(1).jpg

3023 ms

mens.jpg

mens.jpg

3227 ms

ladies.jpg

ladies.jpg

3225 ms

unisex.jpg

unisex.jpg

3268 ms

kids.jpg

kids.jpg

3319 ms

preloader.gif

preloader.gif

3797 ms

urban-fit1.jpg

urban-fit1.jpg

7484 ms

sustain1.jpg

sustain1.jpg

3896 ms

empty2.jpg

empty2.jpg

6980 ms

embrace3.jpg

embrace3.jpg

6034 ms

2Q-AW1e_taO6pHwMXcXW5w.ttf

2Q-AW1e_taO6pHwMXcXW5w.ttf

32 ms

OsJ2DjdpjqFRVUSto6IffKCWcynf_cDxXwCLxiixG1c.ttf

OsJ2DjdpjqFRVUSto6IffKCWcynf_cDxXwCLxiixG1c.ttf

50 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

4239 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

4380 ms

doggy.jpg

doggy.jpg

5685 ms

background1.jpg

background1.jpg

4517 ms

csg-5406bbcb220441.png

csg-5406bbcb220441.png

5219 ms

analytics.js

analytics.js

57 ms

fbds.js

fbds.js

151 ms

hotjar-16995.js

hotjar-16995.js

101 ms

collect

collect

11 ms

collect

collect

78 ms

modules-1f5c71aea63f8df71401422ed80fbe5f.js

modules-1f5c71aea63f8df71401422ed80fbe5f.js

30 ms

23 ms

visit-data

visit-data

205 ms

3 ms

Accessibility Review

specsavers.co.za accessibility score

73

Accessibility Issues

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

Image elements do not have [alt] attributes

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

Best Practices

specsavers.co.za best practices score

67

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

Browser errors were logged to the console

SEO Factors

specsavers.co.za SEO score

92

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

High

Tap targets are not sized appropriately

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 Specsavers.co.za 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 Specsavers.co.za 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

specsavers.co.za

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