4.3 sec in total
315 ms
3.7 sec
295 ms
Visit 123optic.com now to see the best up-to-date 123Optic content for Netherlands and also check out these interesting facts you probably never knew about 123optic.com
Bestel goedkope contactlenzen en lenzenvloeistoffen online bij 123optic.com, de grootste website voor contactlenzen en lenzenvloeistoffen.
Visit 123optic.comWe analyzed 123optic.com page load time and found that the first response time was 315 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
123optic.com performance score
name
value
score
weighting
Value3.7 s
28/100
10%
Value5.2 s
24/100
25%
Value9.9 s
10/100
10%
Value3,130 ms
2/100
30%
Value0.176
68/100
15%
Value19.6 s
2/100
10%
315 ms
325 ms
259 ms
303 ms
288 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 92% of them (60 requests) were addressed to the original 123optic.com, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain 123optic.com.
Page size can be reduced by 628.9 kB (47%)
1.3 MB
706.6 kB
In fact, the total size of 123optic.com main page is 1.3 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. 35% of websites need less resources to load. Images take 741.9 kB which makes up the majority of the site volume.
Potential reduce by 35.1 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 5.3 kB, which is 13% 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 35.1 kB or 83% of the original size.
Potential reduce by 179.6 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. Obviously, 123Optic needs image optimization as it can save up to 179.6 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 176.7 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 176.7 kB or 64% of the original size.
Potential reduce by 237.6 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. 123optic.com needs all CSS files to be minified and compressed as it can save up to 237.6 kB or 86% of the original size.
Number of requests can be reduced by 9 (15%)
60
51
The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 123Optic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
123optic.com
315 ms
www.123optic.com
325 ms
259 ms
main.css
303 ms
datepicker.css
288 ms
editable.css
317 ms
autosuggest_inquisitor.css
318 ms
123optic_colors.css
328 ms
combined.js
614 ms
init.js
410 ms
cookie.js
428 ms
lensonline_en.js
433 ms
analytics.js
126 ms
cookies_dot_bg.png
128 ms
icon-menu.svg
144 ms
logo_123optic.png
233 ms
header-phone.svg
146 ms
icon-account.svg
148 ms
icon-cart.svg
150 ms
flag-icon-en.png
254 ms
navigation_options_closed_icon.svg
259 ms
firm_logo_428.png
345 ms
firm_logo_422.png
419 ms
firm_logo_426.png
281 ms
firm_logo_414.png
461 ms
firm_logo_17.png
467 ms
firm_logo_444.png
475 ms
firm_logo_438.png
416 ms
firm_logo_424.png
558 ms
firm_logo_423.png
551 ms
icon_search_focused.svg
539 ms
icon_reorder.svg
596 ms
category_icon_178.svg
592 ms
category_icon_179.svg
603 ms
category_icon_180.svg
660 ms
category_icon_184.svg
688 ms
category_icon_185.svg
684 ms
category_icon_186.svg
718 ms
123_homebanner.jpg
825 ms
LO_blokbanner_levering_EN.png
731 ms
LO_blokbanner_promopacks_EN.png
781 ms
package_photo.png
899 ms
package_photo.png
914 ms
package_photo.png
929 ms
package_photo.png
1037 ms
acuvue-oasys_medium.png
984 ms
air-optix-aqua-multifocal_medium.png
961 ms
biofinity_medium.png
1028 ms
dailies-aquacomfort-plus_medium.png
1133 ms
widgets.js
76 ms
collect
25 ms
aller_rg-webfont.woff
1027 ms
aller_bd-webfont.woff
962 ms
raspoutinedemibold_tb-webfont.woff
1051 ms
collect
48 ms
LO_blokbanner_betalingen.png
1022 ms
LO_blokbanner_mail-optic.png
1025 ms
ga-audiences
33 ms
LO_blokbanner_allemerken-EN.png
1014 ms
icon-details-2.svg
1029 ms
social-footer-icon-facebook.svg
1034 ms
social-footer-icon-twitter.svg
1019 ms
social-footer-icon-google.svg
964 ms
logo_icon_dot_bg.gif
904 ms
floating_tel.svg
964 ms
123optic.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs 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
No form fields have multiple labels
123optic.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
123optic.com 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
NL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 123optic.com can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that 123optic.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.
123optic.com
Open Graph description is not detected on the main page of 123Optic. 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: