Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

blog.wolfram.com

Wolfram Blog: News, Views and Insights from Wolfram

Page Load Speed

1.9 sec in total

First Response

105 ms

Resources Loaded

1.4 sec

Page Rendered

428 ms

blog.wolfram.com screenshot

About Website

Visit blog.wolfram.com now to see the best up-to-date Blog Wolfram content for United States and also check out these interesting facts you probably never knew about blog.wolfram.com

Read Wolfram's latest announcements, events, news and developer insights. In-depth highlights of Wolfram technologies used across industry, research, education.

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Key Findings

We analyzed Blog.wolfram.com page load time and found that the first response time was 105 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

blog.wolfram.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

blog.wolfram.com

105 ms

blog.wolfram.com

216 ms

global.css

21 ms

framework.en.css

72 ms

gui.en.css

108 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 55% of them (45 requests) were addressed to the original Blog.wolfram.com, 27% (22 requests) were made to Content.wolfram.com and 15% (12 requests) were made to Wolframcdn.com. The less responsive or slowest element that took the longest time to load (425 ms) relates to the external source Content.wolfram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 672.9 kB (35%)

Content Size

1.9 MB

After Optimization

1.2 MB

In fact, the total size of Blog.wolfram.com main page is 1.9 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 105.6 kB

  • Original 121.4 kB
  • After minification 94.7 kB
  • After compression 15.9 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 26.7 kB, which is 22% 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 105.6 kB or 87% of the original size.

Image Optimization

-29%

Potential reduce by 448.0 kB

  • Original 1.6 MB
  • After minification 1.1 MB

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. Obviously, Blog Wolfram needs image optimization as it can save up to 448.0 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 52.2 kB

  • Original 117.5 kB
  • After minification 111.2 kB
  • After compression 65.3 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 52.2 kB or 44% of the original size.

CSS Optimization

-58%

Potential reduce by 67.1 kB

  • Original 114.9 kB
  • After minification 90.0 kB
  • After compression 47.7 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. Blog.wolfram.com needs all CSS files to be minified and compressed as it can save up to 67.1 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (46%)

Requests Now

71

After Optimization

38

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Wolfram. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

blog.wolfram.com accessibility score

89

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

Links do not have a discernible name

Best Practices

blog.wolfram.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

blog.wolfram.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 Blog.wolfram.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 Blog.wolfram.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 Blog Wolfram. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: