Access spencerlowell.com. Photographer of Science, Technology, Industry, Environment and People.

Report Summary

About Website

Click here to check amazing Spencer Lowell content. Otherwise, check out these important facts you probably never knew about spencerlowell.com

Spencer Lowell is a photographer of science, technology, industry, environment and people.

Visit spencerlowell.com

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.597

11/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

spencerlowell.com

125 ms

www.spencerlowell.com

293 ms

site.min.css

40 ms

gtm.js

73 ms

9efe7daa-1cd1-4aff-a081-37ef58c7c150_Spencer_Lowell_Robots_001.jpg

47 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 37% of them (15 requests) were addressed to the original Spencerlowell.com, 61% (25 requests) were made to Images.prismic.io and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (402 ms) relates to the external source Images.prismic.io.

Content Size

302.5 kB

After Optimization

170.2 kB

In fact, the total size of Spencerlowell.com main page is 302.5 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. 25% of websites need less resources to load. Javascripts take 169.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 52.4 kB

Original 62.3 kB
After minification 62.2 kB
After compression 9.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 52.4 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 60.7 kB
After minification 60.7 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. Spencer Lowell images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 77.4 kB

Original 169.8 kB
After minification 169.8 kB
After compression 92.5 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 77.4 kB or 46% of the original size.

CSS Optimization

-27%

Potential reduce by 2.6 kB

Original 9.7 kB
After minification 9.7 kB
After compression 7.2 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. Spencerlowell.com needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 27% of the original size.

Requests Now

After Optimization

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spencer Lowell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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/).

High

Document doesn't use 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 Spencerlowell.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 Spencerlowell.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

spencerlowell.com

Open Graph data is detected on the main page of Spencer Lowell. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Photographer of Science, Technology, Industry, Environment and People. - Spencer Lowell

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)