Tools & Wizards About Us
uptime.is screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

uptime.is

SLA & Uptime calculator: How much downtime corresponds to 99.9 % uptime

Page Load Speed

2.4 sec in total

First Response

1.1 sec

Resources Loaded

1.2 sec

Page Rendered

107 ms

uptime.is screenshot

About Website

Visit uptime.is now to see the best up-to-date Uptime content for United States and also check out these interesting facts you probably never knew about uptime.is

SLA uptime and downtime calculator

Visit uptime.is

Key Findings

We analyzed Uptime.is page load time and found that the first response time was 1.1 sec and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

uptime.is performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

94/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

uptime.is

1071 ms

uptime.css

58 ms

lisp.png

159 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Uptime.is and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Uptime.is.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 kB (16%)

Content Size

20.9 kB

After Optimization

17.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Uptime.is main page is 20.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 16.9 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 1.7 kB

  • Original 2.7 kB
  • After minification 2.0 kB
  • After compression 1.0 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 741 B, which is 27% 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 1.7 kB or 62% of the original size.

Image Optimization

-5%

Potential reduce by 853 B

  • Original 16.9 kB
  • After minification 16.1 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. Uptime images are well optimized though.

CSS Optimization

-70%

Potential reduce by 861 B

  • Original 1.2 kB
  • After minification 788 B
  • After compression 364 B

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. Uptime.is needs all CSS files to be minified and compressed as it can save up to 861 B or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uptime. According to our analytics all requests are already optimized.

Network Requests Diagram

uptime.is

uptime.is

1071 ms

uptime.css

uptime.css

58 ms

lisp.png

lisp.png

159 ms

Accessibility Review

uptime.is accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Best Practices

uptime.is best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

uptime.is SEO score

100

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

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 Uptime.is 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 Uptime.is 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

uptime.is

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