Access advancedcorrosion.com. Advanced Corrosion Technologies and Training

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

55/100

10%

LCP (Largest Contentful Paint)

Value20.8 s

0/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

advancedcorrosion.com

48 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Advancedcorrosion.com and no external sources were called. The less responsive or slowest element that took the longest time to load (48 ms) belongs to the original domain Advancedcorrosion.com.

Content Size

968.9 kB

After Optimization

750.3 kB

In fact, the total size of Advancedcorrosion.com main page is 968.9 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 745.0 kB which makes up the majority of the site volume.

HTML Optimization

-10%

Potential reduce by 11 B

Original 105 B
After minification 104 B
After compression 94 B

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. This web page is already compressed.

Image Optimization

-11%

Potential reduce by 79.4 kB

Original 745.0 kB
After minification 665.5 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, Advanced Corrosion needs image optimization as it can save up to 79.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-57%

Potential reduce by 103.3 kB

Original 179.9 kB
After minification 171.1 kB
After compression 76.6 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 103.3 kB or 57% of the original size.

CSS Optimization

-82%

Potential reduce by 35.9 kB

Original 43.9 kB
After minification 40.8 kB
After compression 8.1 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. Advancedcorrosion.com needs all CSS files to be minified and compressed as it can save up to 35.9 kB or 82% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Issues

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 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

Low

Detected JavaScript libraries

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

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

High

Page is blocked from indexing

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

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 Advancedcorrosion.com 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 Advancedcorrosion.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

advancedcorrosion.com

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