Access webcertain.us. International Digital Marketing Solutions and Knowledge

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value2,420 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

webcertain.us

255 ms

webcertain.us

328 ms

webcertain.com

920 ms

gtm.js

68 ms

js

129 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Webcertain.us, 72% (77 requests) were made to Webcertain.com and 9% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (929 ms) relates to the external source Webcertain.com.

Content Size

3.8 MB

After Optimization

3.6 MB

In fact, the total size of Webcertain.us main page is 3.8 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. 70% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 154.9 kB

Original 180.4 kB
After minification 123.4 kB
After compression 25.5 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 57.0 kB, which is 32% 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 154.9 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 71.9 kB

Original 3.4 MB
After minification 3.3 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. Webcertain images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 57.4 kB

Original 243.4 kB
After minification 243.4 kB
After compression 186.0 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 57.4 kB or 24% of the original size.

CSS Optimization

-11%

Potential reduce by 6.0 kB

Original 55.4 kB
After minification 55.4 kB
After compression 49.4 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. Webcertain.us needs all CSS files to be minified and compressed as it can save up to 6.0 kB or 11% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webcertain. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 12 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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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 interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

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

High

Image elements do not have [alt] attributes

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

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Webcertain.us 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 Webcertain.us 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

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

Report Summary

Performance

Accessibility

Best Practices

SEO

International Digital Marketing Solutions and Knowledge

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

webcertain.us

webcertain.us

webcertain.com

gtm.js

js

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

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Accessibility Review

Accessibility Issues

Best Practices

Areas of Improvement

SEO Factors

Search Engine Optimization Advices

Language and Encoding

Language Detected

Language Claimed

Encoding

Social Sharing Optimization

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