3.4 sec in total
267 ms
2.7 sec
488 ms
Click here to check amazing ZEISS content for South Africa. Otherwise, check out these important facts you probably never knew about zeiss.co.za
ZEISS is an internationally leading technology enterprise with solutions for industry, research, medicine, eyeglass lenses, camera lenses, binoculars and planetariums.
Visit zeiss.co.zaWe analyzed Zeiss.co.za page load time and found that the first response time was 267 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
zeiss.co.za performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value5.5 s
18/100
25%
Value10.2 s
9/100
10%
Value5,710 ms
0/100
30%
Value0
100/100
15%
Value12.0 s
16/100
10%
267 ms
553 ms
711 ms
185 ms
30 ms
Our browser made a total of 17 requests to load all elements on the main page. We found that 71% of them (12 requests) were addressed to the original Zeiss.co.za, 18% (3 requests) were made to Cdn.cookielaw.org and 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (894 ms) belongs to the original domain Zeiss.co.za.
Page size can be reduced by 1.1 MB (75%)
1.4 MB
365.3 kB
In fact, the total size of Zeiss.co.za main page is 1.4 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. 20% of websites need less resources to load. CSS take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 173.8 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 32.0 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 173.8 kB or 89% of the original size.
Potential reduce by 37 B
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.
Potential reduce by 908.5 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. Zeiss.co.za needs all CSS files to be minified and compressed as it can save up to 908.5 kB or 89% of the original size.
Number of requests can be reduced by 4 (44%)
9
5
The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZEISS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
zeiss.co.za
267 ms
www.zeiss.co.za
553 ms
home.html
711 ms
gtm.js
185 ms
jupiter-components.all.lc-a0c2af1bb948ab8ef7c33b4df925d968-lc.css
30 ms
jupiter-components.all.lc-75b2308d6cc1460015c22f4c5848c4e4-lc.js
112 ms
otSDKStub.js
122 ms
symbols-sprite.svg
69 ms
93ed26e8-2542-4960-8fa0-28062244b418.json
27 ms
location
81 ms
jupiter-components.print.lc-f2f296da918213eb2bee30dae4ba4bc9-lc.css
18 ms
ZEISSFrutigerNextUI-Medium.woff
553 ms
ZEISSFrutigerNextUI-Reg.woff
619 ms
ZEISSFrutigerNextUI-Light.woff
894 ms
ZEISSFrutigerNextUI-Bold.woff
568 ms
ZEISSFrutigerNextUI-Heavy.woff
599 ms
otBannerSdk.js
21 ms
zeiss.co.za accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
zeiss.co.za best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
zeiss.co.za SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zeiss.co.za 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 Zeiss.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.
zeiss.co.za
Open Graph data is detected on the main page of ZEISS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: