Access zelcos.com. OEM Skincare & Cosmetics manufacturer - Zelcos Laboratory

name

value

score

weighting

FCP (First Contentful Paint)

Value10.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.8 s

0/100

25%

SI (Speed Index)

Value21.1 s

0/100

10%

TBT (Total Blocking Time)

Value4,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value46.7 s

0/100

10%

zelcos.com

3594 ms

style.min.css

1475 ms

vendors-style.css

743 ms

style.css

1756 ms

uaf.css

764 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 89% of them (77 requests) were addressed to the original Zelcos.com, 2% (2 requests) were made to Use.fontawesome.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Zelcos.com.

Content Size

20.1 MB

After Optimization

17.1 MB

In fact, the total size of Zelcos.com main page is 20.1 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 17.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 143.6 kB

Original 180.1 kB
After minification 171.4 kB
After compression 36.5 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 143.6 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 1.5 MB

Original 17.7 MB
After minification 16.2 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. Zelcos images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 956.4 kB

Original 1.7 MB
After minification 1.7 MB
After compression 745.0 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 956.4 kB or 56% of the original size.

CSS Optimization

-82%

Potential reduce by 452.8 kB

Original 552.7 kB
After minification 550.9 kB
After compression 99.8 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. Zelcos.com needs all CSS files to be minified and compressed as it can save up to 452.8 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zelcos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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 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

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

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

High

Links are not crawlable

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 uses 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 Zelcos.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 Zelcos.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

zelcos.com

Open Graph data is detected on the main page of Zelcos. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

OEM Skincare & Cosmetics manufacturer - Zelcos Laboratory - Home

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

zelcos.com

style.min.css

vendors-style.css

style.css

uaf.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

zelcos.com

style.min.css

vendors-style.css

style.css

uaf.css

fl-icons.css

all.css

formreset.min.css

formsmain.min.css

readyclass.min.css

browsers.min.css

pum-site.min.css

css

flatsome.css

flatsome-shop.css

style.css

v4-shims.css

jquery.min.js

jquery-migrate.min.js

jquery.bind-first-0.2.3.min.js

js.cookie-2.1.3.min.js

public.js

jquery.json.min.js

gravityforms.min.js

chosen.jquery.min.js

placeholders.jquery.min.js

effects.css

jquery.blockUI.min.js

add-to-cart.min.js

js.cookie.min.js

woocommerce.min.js

cart-fragments.min.js

flatsome-live-search.js

api.js

core.min.js

site.min.js

hoverIntent.min.js

flatsome.js

woocommerce.js

zxcvbn-async.min.js

wp-polyfill-inert.min.js

regenerator-runtime.min.js

wp-polyfill.min.js