Case Study

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AECOM Case Study
AECOM GTmetrix performance report

Enterprise Level Technical SEO Audit

AECOM delivers professional infrastructure services that spans cities, transportation services, architecture, water, and new energy solutions to create a better world for a sustainable future for the environment and future generations. They provide clients with a single source for global environmental needs.

After establishing their business in 1990, AECOM became a publicly traded company in 2007. More than 50 companies, some with over 100 years of experience, are managed by AECOM and their predecessor firms. AECOM pulled in approximately $13.3 billion of Professional Services revenue during the fiscal year of 2021 and were ranked #1 in Engineering News-Record’s 2020 “Top 200 Environmental Firms.”

AECOM was named one of Fortune magazine’s “World’s Most Admired Companies” for the sixth consecutive year and listed as one of America’s largest companies by Fortune 500. AECOM was named as one of 2021 World’s Most Ethical Companies for its commitment to integrity and making a positive impact by Ethisphere.

Semrush has an estimated 2.1 million backlinks from ~16,9000 unique domaines with a considerable number of exceptionally high-quality inbound links. There are a considerable number of exceptionally high quality inbound links. However, there are also toxic links among these which need to be evaluated for disavowal. Among toxic links, there may be some false positives. It warrants being very deliberate in the disavowal process.

Screaming Frog

A substantial number of 404 Errors were found on; additionally, there were 102 instances where external links resulted in a 404 error, specifically within embedded graphics. It is highly recommended that 404 errors are redirected to the correct pages as fixing them will result in improved site health. Using non-branded keywords will create organic and natural part of’s content strategy. Areas to emphasize keyword position would be including keywords in project pages, press releases, as well as job postings.


Due to large graphic handling,’s homepage was slow to load. However internal pages performed very well.

It is advisable to procure a content delivery network (CDN) to accelerate website content delivery.

The overall website received a D rating for performance and structure. It is advised to avoid enormous network payloads, which includes the news subpage as well as the homepage. Subpages received high quality ratings for low load times. Compared to competitors’ websites, AECOM received a lower rating but its advantage has a medium-high impact loading differential.

Broken Links
404 Errors
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Load Speed
Toxic Backlinks

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