Report Summary

  • 0

    Performance

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 0

    Best Practices

  • 50

    SEO

    Google-friendlier than
    19% of websites

rackspaceslides.com

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Page Load Speed

2.2 sec in total

First Response

38 ms

Resources Loaded

1.7 sec

Page Rendered

393 ms

About Website

Welcome to rackspaceslides.com homepage info - get ready to check Rackspaceslides best content right away, or after learning these important things about rackspaceslides.com

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Visit rackspaceslides.com

Key Findings

We analyzed Rackspaceslides.com page load time and found that the first response time was 38 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rackspaceslides.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value820 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

rackspaceslides.com

38 ms

www.clearslide.com

83 ms

190875080.js

104 ms

9997baca.main.min.css

94 ms

264604ff.modernizr.js

78 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Rackspaceslides.com, 62% (54 requests) were made to D3nsmp4txz3cjc.cloudfront.net and 5% (4 requests) were made to Cdn.bizible.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Clearslide-www.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 980.0 kB (48%)

Content Size

2.0 MB

After Optimization

1.1 MB

In fact, the total size of Rackspaceslides.com main page is 2.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 983.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 51.2 kB

  • Original 64.7 kB
  • After minification 52.2 kB
  • After compression 13.4 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 12.5 kB, which is 19% 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 51.2 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 371 B

  • Original 700.9 kB
  • After minification 700.5 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. Rackspaceslides images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 681.0 kB

  • Original 983.4 kB
  • After minification 954.4 kB
  • After compression 302.4 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 681.0 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 247.4 kB

  • Original 290.0 kB
  • After minification 289.7 kB
  • After compression 42.5 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. Rackspaceslides.com needs all CSS files to be minified and compressed as it can save up to 247.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (51%)

Requests Now

75

After Optimization

37

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rackspaceslides. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rackspaceslides.com accessibility score

63

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Document doesn't have a <title> element

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

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

SEO Factors

rackspaceslides.com SEO score

50

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rackspaceslides.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Rackspaceslides.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 Rackspaceslides. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: