Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sis.slb.com

SLB, a global technology company | SLB

Page Load Speed

2.8 sec in total

First Response

73 ms

Resources Loaded

2.5 sec

Page Rendered

162 ms

sis.slb.com screenshot

About Website

Welcome to sis.slb.com homepage info - get ready to check Sis SLB best content for United States right away, or after learning these important things about sis.slb.com

SLB is a global technology company, driving energy innovation for a balanced planet

Visit sis.slb.com

Key Findings

We analyzed Sis.slb.com page load time and found that the first response time was 73 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

sis.slb.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

sis.slb.com

73 ms

www.sis.slb.com

140 ms

www.software.slb.com

1175 ms

jquery-2.1.3.min.js

151 ms

bootstrap

401 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Sis.slb.com, 66% (35 requests) were made to Software.slb.com and 17% (9 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Software.slb.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 421.4 kB (47%)

Content Size

892.5 kB

After Optimization

471.0 kB

In fact, the total size of Sis.slb.com main page is 892.5 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. Images take 358.2 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 253.5 kB

  • Original 274.3 kB
  • After minification 111.4 kB
  • After compression 20.8 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. This page needs HTML code to be minified as it can gain 162.9 kB, which is 59% 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 253.5 kB or 92% of the original size.

Image Optimization

-5%

Potential reduce by 16.6 kB

  • Original 358.2 kB
  • After minification 341.6 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. Sis SLB images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 151.4 kB

  • Original 259.9 kB
  • After minification 226.4 kB
  • After compression 108.6 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 151.4 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (46%)

Requests Now

50

After Optimization

27

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sis SLB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

sis.slb.com accessibility score

88

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sis.slb.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sis.slb.com SEO score

77

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

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 Sis.slb.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 Sis.slb.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 Sis SLB. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: