Access analysis-tools.dev. Analysis Tools and Linters to Improve Code Quality and Avoid Bugs

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

99/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value560 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

analysis-tools.dev

87 ms

d36c2dc21ad1785a.css

37 ms

8f959bd7b34860bb.css

66 ms

b0da674005090f2f.css

68 ms

polyfills-c67a75d1b6f99dc8.js

81 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Analysis-tools.dev and no external sources were called. The less responsive or slowest element that took the longest time to load (275 ms) belongs to the original domain Analysis-tools.dev.

Content Size

82.0 kB

After Optimization

19.0 kB

In fact, the total size of Analysis-tools.dev main page is 82.0 kB. 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. HTML takes 81.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 63.0 kB

Original 81.9 kB
After minification 81.9 kB
After compression 18.8 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 63.0 kB or 77% of the original size.

Image Optimization

-10%

Potential reduce by 18 B

Original 180 B
After minification 162 B

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. Analysis Tools images are well optimized though.

Requests Now

After Optimization

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

Accessibility Issues

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

Links do not have a discernible name

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 interpretation of your content by users in different locales.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

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

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 Analysis-tools.dev 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 Analysis-tools.dev 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 Analysis Tools. 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: