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Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

stackimpact.com

Instana - Enterprise Observability and APM for Cloud-Native Applications

Page Load Speed

3.8 sec in total

First Response

249 ms

Resources Loaded

1.9 sec

Page Rendered

1.7 sec

About Website

Welcome to stackimpact.com homepage info - get ready to check Stackimpact best content for Slovakia right away, or after learning these important things about stackimpact.com

Instana's Enterprise Observability Platform delivers automated Application Monitoring (APM) to help DevOps teams deliver quality applications.

Visit stackimpact.com

Key Findings

We analyzed Stackimpact.com page load time and found that the first response time was 249 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

stackimpact.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value20,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value30.7 s

0/100

10%

Network Requests Diagram

www.instana.com

249 ms

megamenu-v5974dd806386488352fbf3d9b3280fc012a9c5f1.css

145 ms

dashicons-v8650c63f4e9506bf0d0207ecd6e765f14b653d60.css

239 ms

home-redesign-style.css

242 ms

bootstrap.min.css

169 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Stackimpact.com and no external sources were called. The less responsive or slowest element that took the longest time to load (663 ms) relates to the external source Instana.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 188.9 kB (31%)

Content Size

602.8 kB

After Optimization

413.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stackimpact.com main page is 602.8 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. 55% of websites need less resources to load. Images take 305.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 188.8 kB

  • Original 213.3 kB
  • After minification 184.9 kB
  • After compression 24.5 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 28.4 kB, which is 13% 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 188.8 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 305.1 kB
  • After minification 305.1 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. Stackimpact images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 3.9 kB
  • After minification 3.9 kB
  • After compression 3.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 61 B

  • Original 80.5 kB
  • After minification 80.5 kB
  • After compression 80.4 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. Stackimpact.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (55%)

Requests Now

22

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stackimpact. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

stackimpact.com accessibility score

91

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.

ARIA

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.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

stackimpact.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

stackimpact.com SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stackimpact.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Stackimpact.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 data is detected on the main page of Stackimpact. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: