Tools & Wizards About Us

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

tsert.com

Tsert.Com

Page Load Speed

503 ms in total

First Response

126 ms

Resources Loaded

293 ms

Page Rendered

84 ms

About Website

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Tsert.Com

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Key Findings

We analyzed Tsert.com page load time and found that the first response time was 126 ms and then it took 377 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

tsert.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

tsert.com

126 ms

screen.css

39 ms

bg.jpg

38 ms

leaf.gif

67 ms

print.css

38 ms

Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Tsert.com and no external sources were called. The less responsive or slowest element that took the longest time to load (126 ms) belongs to the original domain Tsert.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.3 kB (69%)

Content Size

14.8 kB

After Optimization

4.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Tsert.com main page is 14.8 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. HTML takes 7.7 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.2 kB

  • Original 7.7 kB
  • After minification 6.1 kB
  • After compression 2.4 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 1.5 kB, which is 20% 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 5.2 kB or 68% of the original size.

Image Optimization

-3%

Potential reduce by 18 B

  • Original 639 B
  • After minification 621 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. Tsert images are well optimized though.

CSS Optimization

-77%

Potential reduce by 5.0 kB

  • Original 6.5 kB
  • After minification 4.0 kB
  • After compression 1.5 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. Tsert.com needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsert. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

tsert.com accessibility score

100

Accessibility Issues

Best Practices

tsert.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

tsert.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tsert.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Tsert.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

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