Access perfanalysis.com. Performance Analysis | Climate Control | Diaphragms | Blower Motors | Pushbutton Panels

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.202

61/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

perfanalysis.com

108 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 Perfanalysis.com and no external sources were called. The less responsive or slowest element that took the longest time to load (108 ms) belongs to the original domain Perfanalysis.com.

Content Size

250.0 kB

After Optimization

231.2 kB

In fact, the total size of Perfanalysis.com main page is 250.0 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 147.1 kB which makes up the majority of the site volume.

HTML Optimization

-51%

Potential reduce by 669 B

Original 1.3 kB
After minification 1.3 kB
After compression 644 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. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 669 B or 51% of the original size.

Image Optimization

-2%

Potential reduce by 2.9 kB

Original 147.1 kB
After minification 144.2 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. Perf Analysis images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 5.9 kB

Original 55.2 kB
After minification 55.2 kB
After compression 49.3 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 5.9 kB or 11% of the original size.

CSS Optimization

-20%

Potential reduce by 9.4 kB

Original 46.4 kB
After minification 46.4 kB
After compression 37.0 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. Perfanalysis.com needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 20% 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

button, link, and menuitem elements do not have accessible names.

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

High

Some elements have a [tabindex] value greater than 0

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

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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 Perfanalysis.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 Perfanalysis.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

perfanalysis.com

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